NUMBER 12 DECEMBER 1972

825-835

836-855 856-868 869-879 880-881 882-888 889-892 892 892-900

Correction Notices

Vol. 99, No. 12, Dec. 1971, p. 901, right col: 9q (50) and (51) should read

7.5 ( T- 273) QroS=3.8p-’10T-36

Vol. 100, No. 2, Feb. 1972, p. 90, left col., line 5: “latter” is to be read instead of “potential evaporation rate.” Vol. 100, No. 6, June 1972, p. 421, left col: eq (12) should read

ma= *x-- lo6(0.44830,)3 6 (g).

Vol. 100, No. 9, Sept. 1972, p. 698, right col., line 5: the sentence is to be read “Only the central Great Basin, Southern Great Plains, and northern Maine had average temperatures substa.ntially above normal for the week.”

Index, Volume 100

A ANTHES,RICHARD A.: Development of asymmetries in three-dimensional numerical Accuracy of objective analysis at stratospheric levels: 218. model of tropical : 461. Advection equation : note on the computational stability of Lax- Application of stepwise multiple regression techniques to inversion Wendroff form. 72, 682. of Nimbus “IRIS” observations. 336. AGEE,ERNEST M.: Approximating polynomials for estimating wind, divergence, and Note on ITCZ wave disturbances and formation of tropical vertical motion. 345. storm Anna. 733. Apr. 1972 weather and circulation. 590. Air pollution episode in New York City, 1966 Thanksgiving week. Arcus cloud. 817. 44.5. ASSELIN,RICHARD: Airborne radar observations of configuration changes, bright Frequency filter for time integrations. 487. band distribution, and precipitation tilt during 1969 multiple ASTLING,ELFORD G.: seeding in hurricane Debbie. 208. and Lyle H. Horn. Atmospheric energy transport over North Air-sea interaction : modification of surface air over Lake Ontario. America for 3 winter mo. 491. 662. Asymmetries in three-dimensional numerical model of tropical Analysis of semidiurnal tidal motions between 30 and 60 km. 579. cyclone. 461. Analysis tool-vertically integrated liquid water. 548. season of, 1971. 256. ANGELL,J. K.: Atlantic tropical systems of 1971. 268. Climatological aspects of circulation in Southern Hemisphere Atmospheric behavior using quasi-geostrophic, diabatic, two-level temperate latitudes as determined from 200-nib GHOST model. 477. balloon flights. 107. Atmospheric density variations and determination of density errors Angular momentum vertical transport : effects of internal gravity from selected rocketsonde sensors. 189. waves over mountainous terrain. 177. Atmospheric development theory. 145. Annulus wave : baroclinic field distributions and balances. 29. Atmospheric energy transport over North America for 3 winter mo. Anomalous gradient winds : existence and implications. 709. 491. 892 / Vol. 100, No. 12 / Monthly Weather Review Unauthenticated | Downloaded 09/29/21 01:20 AM UTC AUER, AUGUSTH., JR.: Cloud dynamics: parameterization of ice growth for numerical Distribution of graupel and hail with size. 325. calculations. 417. Aug. 1972 weather and circulation. 819. Cloud lines : anomalous or ship trails. 646. Available potential energy generation and heat sources and sinks Cloud physics: use of gamma distribution in single-cloud rainfall during southwest monsoon season in Indian region. 383. analysis. 309. AVARA,ELTON P.: Cloud physics model: and Bruce T. Miers and Robert 0. Olsen. Short time period growth of large hail. 196. atmospheric density variations and determination of density numerical simulation of precipitation development in super- errors from selected rocketsonde sensors. 189. cooled cumuli-parts I, 11. 757, 764. Cloud seeding: B airborne radar observations during 1969 multiple seeding experiments in hurricane Debbie. 208. Baroclinic annulus wave : field distributions and balances. 29. optimization of warm-cloud seeding agents by niicroencspsu- Baroclinic atmosphere model: implicit time integration scheme. lation. 153. 329. use of gamma distribution in single-cloud rainfall analysis. 309. Baroclinic instability and the theory of atmospheric development. Coastal winds kinetic energy spectrum. 671. 145. Comparison of visible, infrared, and moisture channel data. 318. Bermuda yacht race: 1970 meteorological and oceanographic Computation of upper tropospheric reference heights from winds conditions. 597. 808. BLACK,PETER G.: Computational stability of two-step Lax-Wendroff advection. and Harry V. Senn and Charles L. Courtright. Airborne radar equation. 72, 682. observations of eye configuration changes, bright band dis- Conditional probability for exact, noncategorized initial condition. tribution, and precipitation tilt during 1969 multiple seeding 796. experiments in hurricane Debbie. 208. Conservative finite-difference approximations of primitive equations BOCCHIERI,JOSEPH R.: on quasi-uniform spherical grids. 136. and Harry R. Glahn. Use of model output statistics for pre- Contents, Vol. 100. 889. dicting ceiling height. 869. COOLEY,JACK R.: BOURKE,WILLIAM : Damaging, mischievous, and interesting and An efficient, one-level, primitive-equation spectral model. . 317. 683. Correction notices: 244, 373, 892. BRANDLI,HENRY W.: Correspondence: Picture of month-real time ESSA 8 APT tracked over computational stability of two-step Lax-Wendroff advection Australia received at Florida over 11,000 mi away. 749. equation. 682. Breaking waves at inversion. 133. daily frequencies updated. 750. BRIDGES,W. C.: meridional distribution of source and sink terms of kinetic and D. R. Davis. Weather note-minimal tropical depression energy balance. 747. produces record rains and unprecedented floods. 294. reply. 748. “steam devils” over Lake Michigan during January arctic C outbreak. 750. COTTON,WILLIAM R.: CANFIELD,NORMAN L.: Numerical simulation of precipitation development in super- and Marvin E. Miller, Terry A. Ritter, and C. Richard cooled cumuli-parts I, 11. 757, 764. Weaver. Visibility changes in Ohio, Kentucky, and Tennessee COURTRIGHT, CHARLES L.: . from 1962 to .1969. 67. and Peter G. Black and Harry V. Senn. Airborne radar obser- CARPENTER,THOMAS H. : vations of eye configuration changes, bright band distribu- and Ronald L. Holle and Jose J. Fernandez-Partagas. Observed tion, and precipitation tilt during 1969 multiple seeding relationships between lunar tidal cycles and formation of experiments in hurricane Debbie. 208. hurricanes and tropical storms. 451. Cumulative results of extended forecast experiments: model per- Ceiling height prediction using model output statistics. 869. formance for winter cases. 836. Centennial of Monthly Weather Review, 1872-1972. 517. Cumulus convection: numerical experiments on relati on between Chaff trajectories near severe thunderstorm. 653. microphysics and dynamics. 717. Changes in visibility in Ohio, Kentucky, and Tennessee, 1962-69. 67. D CHASE,PETER P.: Daily tornado frequencies for contiguous United States. 238, 750. and Banner I. Miller and Brian R. Jarvinen. Numerical Damaging, mischievous, and interesting whirlwinds and water- prediction of tropical weather systems. 825. spouts. 317. CHOW, F.: c. DANARD,MAURICE B.: and E. C. Kindle and F. M. Vukovich. Study of atmospheric and Gandikota V. Rao. Numerical study of effects of Great behavior using a quasi-geostrophic, diabatic, two-level Lakes on winter cyclone. 374. model. 477. DAVIS,D. R.: CLARK,ROBERT A.: and W. C. Bridges. Weather note-minimal tropical depression and Douglas R. Greene. Vertically integrated liquid water- produces record rains and unprecedented floods. 294. a new analysis tool. 548. DEARDORFF,JAMES W.: CLARKE,REGINALD H. : Parameterization of planetary boundary layer for use in general Note on nocturnal radiation reversal. 354. circulation models. 93. Numerical modeling of a case of nocturnal radiation reversal. Dec. 1971 weather and circulation. 239. 357. DENNEY,WILLIAM J.: Climatological aspects of circulation in Southern Hemisphere Eastern season of 1971. 276. temperate latitudes from 200-mb GHOST balloon flights. 107. Density errors from selected rocketsonde sensors. 189. Climatological studies of large-scale circulation in Northern Determination of thickness of stratospheric layers from single- Hemisphere: I. Zonal and meridional indices at 700-mb level. 553. channel satellite radiance measurements. 788.

December 1972 1 Index 1 893 Unauthenticated | Downloaded 09/29/21 01:20 AM UTC Development of asymmetries in three-dimensional Flood: numerical modd. 461. minimal tropical depression produces record rains. 294. Diabatic heating and atmospheric behavior in quasi-geostrophic, weather and circulation of June 1972. 692. two-level model. 477. Forcing: response of tropical atmosphere. 518. DICKSON,ROBERT R.: Forecasting with global, three-layer, primitive-equation model. 856. Weather and circulation of Oct. 1971-continued cold in West Formation of tropical storm Anna. 733. and warm in East. 74. FRANK,NEIL L.: Weather and circulation of Dec. 1971-return to persistent Atlantic tropical systems of 1971. 268. temperature regime. 239. Frequency filter for time integrations. 487. Weather and circulation of Mar. 1972-hot and dry in South- Frequency of tornadoes (daily) for contiguous United States. 238, west. 511. 750. Weather and circulation of May 1972-continued drought in FRITZ,S.: Southwest. 648. and S. D. Soules. Planetary variations of stratospheric tempera- Weather and circulation of Aug. 1972-five hurricanes in east tures. 582. Pacific. 819. FRITZ,SIGMUND : Direct readout of infrared data. 117. and Raymond M. McInturff. Stratospheric temperature vari- Distance distributions for randomly distributed data. 60. ations in autumn-Northern and Southern Hemispheres Distribution of graupel and hail with size. 325. compared. 1. DOUGLAS,JIM, JR. : FRYE,DANIEL E.: and Hsuan-Heng Wang, Paul Halpern, and Todd Dupont. and Stephen Pond and William P. Elliott. Note on kinetic Numerical solutions of one-dimensional primitive cquations energy spectrum of coastal winds. 671. using Galerkin approximations. 738. Drought in Southwest continues during Apr. 1972. 590, 648. G DUPONT,TODD: Galerkin approximations: numerical solutions of the one-dimensional and Hsuan-Heng Wang, Paul Halpern, and Jim Douglas, Jr. primitive equations. 738. Numerical solutions of one-dimensional primitive equations Gamma distribution: using Galerkin approximations. 738. reliability of precipitation probability estimates. 607. single-cloud rainfall analysis. 309. E GELMAN,MELVYN E.: and Alvin J. Miller and Harold M.Woolf. Regression technique Eastern Pacific hurricane season of 1971. 276. for determining temperature profiles in upper stratosphere EDINGER,J. G.: from satellite-measured radiances. 542. and M. G. Wurtele. Interpretation of phenomena observed in and Roderick S. Quiroz. Direct determination of the thick- southern California stratus. 389. ness of stratospheric layers from single-channel satellite Effects of internal gravity waves on energy budgets and vertical radiance measurements. 788. transport of angular momentum over mountainous terrain. 177. General circulation models : Efficient, one-level, primitive-equation spectral model. 683. cumulative results of extended forecast experiments for winter ELLIOTT,WILLIAM P.: cases. 836. and Daniel E. Frye and Stephen Pond. Note on kinetic energy forecasting with global, three-layer, primitive-equation model. spectrum of coastal winds. 671. 836. ENDLICH,R. M.: parameterization of planetary boundary layer. 93. and R. L. Mancuso, H. Shigeishi, and R. E. Nagle. Computa- rcsponse of ocean-atmosphere model to seasonal variation of tation of upper tropospheric reference heights from winds solar radiation. 42. for use with vertical temperature profile observations. 808. Geostrophic wind deviation in upper troposphere and lower strat- Energy budget effects of internal gravity waves over mountainous osphere in El Paso-White Sands area. 159. terrain. 177. GERRITY,JOSEPH P., JR.: Energy transformation at subsynoptic scale. 126. Note on computational stability of two-step Lax-Wendroff Energy transport over North America for 3 winter mo. 491. form of advection equation. 72. Estimating wind, divergence, and vertical motion profiles with GHOST balloon flights at 200-mb in Southern Hemisphere. 107. approximating polynomials. 345. GLAHN, HARRYR. : Evaluation of direct readout infrared data. 117. and Joseph R. Bocchieri. Use of model output statistics for Evaporation and heat flux from large-scale parameters. 81. predicting ceiling height. 869. Global sea-surface temperatures determined from satellite. 10. F GORDON,ADRIAN H.: Correspondence-comments on “On meridional distribution of Feb. 1972 weather and circulation. 411. source and sink terms of kinetic energy balance.” 747. FERNANDEZ-PARTAGAS,JOSE J.: GORDON,HARRY: and Thomas H. Carpenter and Ronald L. Holle. Observed Daily tornado frequencies for contiguous United States. 238. relationships between lunar tidal cycles and formation of Daily tornado frequencies updated. 750. hurricanes and tropical storms. 451. Gradient winds: existence and implications of anomalous values. 709. Field distributions and balances in baroclinic annulus wave. 29. Graupel: size distribution. 325. Filter for time integrations. 487. Gravity wave effects on energy budgets and vertical transport of Finite-difference primitive-equations approximations on quasi- angular momentum. 177. uniform spherical grids. 136. Great Lakes effects on a winter cyclone. 374. FISCHER,G.: GREENE,DOUGLAS It.: and 1’. Renner. Correspondence-comments on “Note on and Robert A. Clark. Vertically integrated liquid water-a computational stability of two-step Lax-Wendroff form of new analysis tool. 548. advection equation.” 682. GRINGORTEN,IRVING I.: Fleet Numerical Weather Central operational primitivc-equation Conditional probability for exact, noncategorized initial model. 360. condition. 796.

894 1 Vol. 100, No. 12 Monthly Weather Review

Unauthenticated | Downloaded 09/29/21 01:20 AM UTC Ground-based microwave determination of low-altitude temperature Initial condition that is exact, noncategorized: conditional probabjl- profiles. 15. ity. 796. Growth of large hail. 196. Initial value problems and theory of atmospheric development. 145. Gulf of California: surges of maritime tropical air northward. 298. Internal gravity wave effects on energy budgets and vertical trans- port of angular momentum. 177. Interpolation optimum from observations of mixed quality. 612. H Inversion of Nimbus “IRIS” observations. 336. Hail: Inversions: growth. 196. breaking waves. 133. size distribution. 325. vertical temperature structure during 1966 Thanksgiving air HALES,JOHN E., JR.: pollution episode in New York City. 445. Surges of maritime tropical air northward over the Gulf of IRSCH,FRANK E. 111: California. 298. and Barry Saltzman. Note on theory of topographically forced HALLETT,JOHN: planetary waves in atmosphere. 441. Breaking waves at an inversion. 133. ITCZ wave disturbances and formation of tropical storm Anna. 733. HALPERN,PAUL: and Hsuan-Heng Wang, Jim Douglas, Jr., and Todd Dupont. Numerical solutions of one-dimensional primitive equations J using Galerkin approximations. 738. Heat flux and evaporation evaluation at surface using large-scale Jan. 1972 weather and circulation. 322. parameters. 81. JARVINEN,BRIAN R.: Heat sources and sinks and available potential energy generation in and Banner I. Miller and Peter P. Chase. Numerical prediction Indian region during southwest monsoon season. 383. of tropical weather systems. 825. HEIGHES,J. M.: JEHN,KENNETH H.: Correspondence-comment on ”Picture of month--‘stearn and Hsing-Wu Wu. Geostrophic wind deviation in upper devils’ over Lake Michigan during January arctic outbreak.” troposphere and lower stratosphere in El Paso-White Sands 750. area. 159. Helmholtz equations : method of solution. 644. JESSUP,EDWARD A.: HEMBREE,G. D.: Interpretations of chaff trajectories near a severe thunderstorm. and K. Miyakoda, R. F. Strickler, and I. Shulman. Cumulative 653. results of extended forecast experiments: I. Model perform- Jet stream and heavy precipitation relationship. 434. ance for winter cases. 836. JIUSTO, JAMES E.: HENDERSON,JOHN: and Michael L. Kaplan. Snowfall from lake-effect storms. 62. and Andre Robert and Colin Turnbull. Implicit time inte- JOHNSON, DONALDR.: gration scheme for baroclinic models of the atmosphere. 329. and Phillip J. Schmidt. Use of approximating polynomials to High-level warmings over tropical station. 674. estimate profiles of wind, divergence, and vertical motion. HOLLE,RONALD L.: 345. and Thomas H. Carpenter and Jose J. Fernandez-Partagas. JOHNSON, KEITHW.: Observed relationships between lunar tidal cycles and Accuracy of objective analysis at stratospheric levels. 218. formation of hurricanes and tropical storms. 451. July 1972 weather and circulation. 751. and H. Michael Mogil. Anomalous gradient winds: existence June 1972 weather and circulation. 692. and implications. 709. HOLZWORTH,GEORGE C.: Vertical temperature structure during 1966 Thanksgiving week K air pollution episode in New York Citv. 445. KANGIESER,PAUL C.: HOPE,JOHN R.: Weather note-unusually heavy 24-hr rainfall at Workman and Charles J. Neumann. Performance analysis of HURRAN Creek 1, Ariz. 206. tropical cyclone forecast system. 245. KAPLAN,MICHAEL L.: and R. H. Simpson. Atlantic hurricane season of 1971. 256. and James E. Jiusto. Snowfall from lake-effect storms. 62. HORN,LYLE H.: KEEGAN,THOMAS J.: and Elford G. Astling. Atmospheric energy transport over Evaluation of direct readout infrared data. 117. North America for 3 winter mo. 491. KESEL,PHILIP G.: Hurricane and tropical storm formation related to lunar tidal cycles. and Francis J. Winninghoff. Fleet Numerical Weather Central 451. operational primitive-equation model. 360. Hurricane forecasting: performance of HURRAN tropical cyclone forecast system. 245. KINDLE,E. C.: and C. F. Chow and F. M. Vukovich. Study of atmospheric Hurricanes: behavior using a quasi-geostrophic, diabatic, two-level airborne radar observations during 1969 multiple seeding in model. 477. Debbie. 208. Atlantic hurricane season, 1971. 256. Kinet,ic energy spectrum of coastal winds. 671. eastern Pacific hurricane season, 1971. 276. KOCHANSKI,ADAM: August 1972-five hurricanes in east Pacific. 819. Semiannual variation at base of thermosphere. 222. KOENIG,L. RANDALL: Parameterization of ice growth for numerical calculations of I cloud dynamics. 417. and F. W. Murray. Numerical experiments on relation between Ice growth parameterization for numerical calculations of cloud microphysics and dynamics in cumulus convection. 717. dynamics. 417. KOFFLER,R.: Implicit time integration scheme for baroclinic models. 329. and P. Krishna Rao and W. L. Smith. Global sea-surface Index, Vol. 100. 892. temperature distribution determined from environmental Infrared data direct readout evaluation. 117. satellite. 10.

December1972 1 Index 1 895

Unauthenticated | Downloaded 09/29/21 01:20 AM UTC KRISHNARAO, P.: MILLER,ALVIN J.: and W. L. Smith and R. Koffler. Global sea-surface tempera- and Melvyn E. Gelman and Harold M. Woolf. Regression tech- ture distribution determined from environmental satellite. 10. nique for determining temperature profiles in upper strato- KUNG,ERNEST C.: sphere from satellite-measured radiances. 542. Correspondence-reply (to comments on “On the meridional and Raymond M. McInturff. Note on variations in the “quasi- distribution of source and sink terms of the kinetic energy biennial” oscillation. 785. balance”). 748. MILLER,BANNER I.: and Donald H. McInnis. Study of subsynoptic scale energy and Peter P. Chase and Brian R. Jarvinen. Numerical pre- transformations. 126. diction of tropical weather systems. 825. MILLER,MARVIN E.: and Norman L. Canfield, Terry A. Ritter, and C. Richard L Weaver. Visibility changes in Ohio, Kentucky, and Ten- nessee from 1962 to 1969. 67. Laboratory simulation of wake effects on second and third thermals MISRA,B. M.: in a series. 399. Planetary pressure wave of 4- to 5-day period in the Tropics. 313. Lake effects: MIYAKODA,K. : on storm snowfall. 62. and 0. D. Hembree, R. F. Strickler, and I. Shulman. Cumula- on surface air over Lake Ontario in winter. 662. tive results of extended forecast experiments : I. Model Lake Ontario-modification of over-lake surface air in winter. 662. performance for winter cases. 836. Lax-Wendroff form of advection equation-computational Stability. Model output statistics for predicting ceiling height. 869. 72, 682. Modification of surface air over Lake Ontario in winter. 662. Liquid water vertically integrated-new analysis tool. 548. MOGIL,H. MICHAEL: LIVINGSTON,RICHARD L.: and Ronald L. Holle. Anomalous gradient winds: existence and Picture of month-unusual arcus cloud. 817. implications. 709. Long-range forecasting: cumulative results of extended forecast Monsoon : heat sources, sinks, and available potential energy experiments for winter cases. 836. generation during southwest monsoon season in Indian region. 383. Lunar tidal cycles and hurricane formation. 451. Monthly Weather Review centennial, 1872-1972. 517. LYONS,WALTER A.: MORGAN,GRIFFITH M., JR.: and Steven R. Pease. Picture of month-“Steam devils” On the growth of large hail. 196. over Lake Michigan during January arctic outbreak. 235. MUKHERJEE,B. K.: and Bh. V. Ramana Murty. High-level warmings over a tropical station. 674. M Multiple regression techniques and inversion of Nimbus “IRIS” MANABE,SYUKURO: observations. 336. and Richard T. Wetherald. Response of joint ocean-atmosphere MURPHY,ALLAN H.: model to seasonal variation of solar radiation. 42. Scalar and vector partitions of the ranked probability score. 701. MANCUSO,R. L.: MURRAY, F. w.: and R. M. Endlich, H. Shigeishi, and R. E. Nagle. Computation and L. R. Koenig. Numerical experiments on the relation between of upper tropospheric reference heights from winds for use microphysics and dynamics in cumulus convection. 717. with vertical temperature profile observations. 808. Mar. 1972 weather and circulation. 511. MARION,ERNEST W.: N and Eugene M. Wilkins and Yoshikazu Sasaki. Laboratory NAGLE,R. E.: simulation of wake effects on second and third thermals in and R. M. Endlich, R. L. Mancuso, and H. Shigeishi. Computa- series. 399. tion of upper tropospheric reference heights from winds for Maritime tropical air surges northward over Gulf of California. 298. use with vertical temperature profile observations. 808. May 1972 weather and circulation. 648. National Severe Storms Laboratory : radar echo maximum intensity MCINNIS,DONALD H.: display. 8. and Ernest C. Kung. Study of subsynoptic scale energy trans- NELSON,LOREN D.: formations. 126. and Bernard A. Silverman. Optimization of warm-cloud MCINTURFF,RAYMOND M.: seeding agents by microencapsulation techniques. 153. and Sigmund Fritz. Stratospheric temperature variations in NEUMANN,CHARLES J.: autumn-Northern and Southern Hemispheres compared. 1. and John R. Hope. Performance analysis of HURRAN tropi- and Alvin J. Miller. Note on variations in the “quasi-biennial” cal cyclone forecast system. 245. oscillation. 785. Newfoundland: spring ice migration. 690. Meridional and zonal indices at 700-mb level in Northern Hemi- Nocturnal radiation reversal. 354, 357. Normals for temperature and precipitation : tests of significance. 503. sphere. 553. Northern and Southern Hemisphere comparison of autumn strato- Mesoscale wind fields and transport estimates from network of spheric temperature. 1. wind towers. 565. Northern Hemisphere large-scale circulation-zonal and meridional Meteorological and oceanographic conditions during 1970 Bermuda indices at 700-mb level. 553. yacht race. 597. Note on computational stability of two-step Lax-Wendroff form of Method for solving simultaneous Helmholtz equations. 644. advection equation. 72. Microencapsulation techniques for optimization of warm-cloud Note on ITCZ wave disturbances and formation of tropical storm seeding agents. 153. Anna. 733. Microwave determination of low altitude temperature profiles. 15. Note on kinetic energy spectrum of coastal winds. 671. MIERS,BRUCE T.: Note on nocturnal radiation reversal. 354. and Elton P. Avara and Robert 0. Olsen. Short time period Note on theory of topographically forced planetary waves in the atmospheric density variations and determination of density atmosphere. 441. errors from selected rocketsonde sensors. 189. Note on variations in “quasi-biennial” oscillation. 785.

896 f Vol. 100, No. 12 f Monthly Weather Review

Unauthenticated | Downloaded 09/29/21 01:20 AM UTC Notice to authors. 541. Performance analysis of HURRAN tropical cyclone forecast Nov. 1971 weather and circulation. 171. system. 245. Numerical experiments on relation between microphysics and Perturbation development in the atmosphere. 145. dynamics in cumulus convection. 717. Phenomena observed in southern California stratus. 389. Numerical forecasting models: PHILLIPS,DAVID W.: Fleet Numerical Weather Central operational primitive- Modification of surface air over Lake Ontario in winter. 662. equation model. 360. Picture of month: performance of extended forecast model for winter cases. 836. comparison of visible, infr wed, and moisture channel data. 318. prediction of tropical weather systems. 825. near-simultaneous aircraft and satellite observations over reduction of truncation error. 637. western Canada and noIthezst Pacific. 168. response of joint ocean-atmosphere model to seasonal variation real time ESSA 8 APT tracked over Australia received at of solar radiation. 42. Florida over 11,000 mi away. 749. response of tropical atmosphere and ocean model to seasonally severe weather situation, Mar. 28, 1972. 509. variable lorcing. 424. ship trails or anomalous cloud lines. 646. Southern Hemisphere prediction with nine-level, primitive- spring ice migration near Newfoundland. 690. equation model. 625. “steam devils” over Lake Michigan during January arctic Numerical model: outbreak. 235. efficient, one-level, primitive-equation spectral model. 683. thin line convection. 880. growth of large hail in simplified thunderstorm updraft model. turbulent region. 408. 196. unusual arcus cloud. 817. nocturnal radiation reversal model. 357. PIKE, ARTHUR C.: simulation of precipitation development in supercooled cumuli. Response of tropical atmosphere and ocean model to seasonally 757, 764. variable forcing. 424. Numerical solutions of one-dimensional primitive equations using Planetary boundary layer parameterization for general circulation Galerkin approximations. 738. models. 93. Numerical study of effects of Great Lakes on winter cyclone. 374. Planetary pressure wave of 4- to 5-day period in Tropics. 313. Planetary variations of stratospheric temperatures. 582. Planetary waves: theory of topographical forcing. 441. 0 POND,STEPHEN: Objective analysis accuracy at stratospheric levels. 218. and Daniel E. Frye and William P. Elliott. Note on kinetic Observations of mixed quality and optimum interpolation. 612. energy spectrum of coastal winds. 671. Ocean-atmosphere model response to seasonal variation of solar Powerline breaks-potential aid in tornado identification and track- radiation. 42. ing. 307. Oceanographic and meteorological conditions during the 1970 Precipitation and temperature normals : tests of significance. 503. Bermuda yacht race. 597. Precipitation development in supercooled cumuli: numerical simula- Oct. 1971 weather and circulation. 74. tion. 757, 764. OHRING,GEORGE: Precipitation forecasting and the polar jet stream. 434. Application of stepwise multiple regression techniques to Precipitation probabilities reliability estimated from gamma distri- inversion of Nimbus “IRIS” observations. 336. bution. 607. OLSEN,ROBERT 0.: Predicting ceiling heights using model output statistics. 869. and Bruce T. Miers and Elton P. Avara. Short time period Prediction of tropical weather systems. 825. atmospheric density variations and determination of density Pressure wave of 4- to 5-day period in Tropics. 313. errors from selected rocketsonde sensors. 189. Optimization of warm-cloud seeding agents by microencapsulation. PRIESTLEY,C. H. B.: 153. and R. J. Taylor. On assessment of surface heat flux and Optimum interpolation from observations 3f mixed quality. 612. evaporation using large-scale parameters. 81. Primitive equations : conservative finite-difference approximations on quasi-uniform P spherical grids. 136. efficient, one-level, spectral model. 683. Parameterization of ice growth for numerical calculations of cloud Fleet Numerical Weather Central operational model. 360. dynamics. 417. forecasting with global, three-layer model. 85 i. Parameterization of planetary boundary layer for use in general solutions using Galerkin approximations. 738. circulation models. 93. Southern Hemisphere prediction model. 625. PARMENTER,FRANCES C. : Probability (conditional) for exact, noncategorized initial condition. Picture of month-comparison of visible, infrared, and moisture 796. channel data. 318. Probability of precipitation: reliability of estimates based on Picture of month-near-simultaneous aircraft and satellite gamma distribution. 607. observations over western Canada and northeast Pacific. 168. Profiles of wind, divergence, and vertical motion: estimation with Picture of month-severe weather situation, Mar. 28, 1972. 509. approximating polynomials. 345. Picture of month-ship trails or anomalous cloud lines. 646. Picture of month-spring ice migration near Newfoundland. 690. and Stanley W. Wright. Picture of month-thin line convec- Q tion. 880. [‘Quasi-biennial” oscillation variations. 785. Partitions of the ranked probability score. 701. QUIROZ,RODERICK S.: PEASE,STEVEN R.: and Melvyn E. Gelman. Direct determination of thickness of and Walter A. Lyons. Picture of month--“steam devils” over stratospheric layers from single-channel satellite radiance Lake Michigan during January arctic outbreak. 235. measurements. 788.

December1972 / Index / 897

Unauthenticated | Downloaded 09/29/21 01:20 AM UTC R Satellite-measured radiances used to determine upper stratosphere temperature profiles. 542. Radar echo maximum intensity display at National Severe Storms Satellite photographs: Laboratory. 8. Atlantic hurricane season of 1971. 256. Radar observations from aircraft during 1969 multiple seeding in Atlantic tropical systems of 1971. 268. hurricane Debbie. 208. comparison of visible, infrared, and moisture channel data. 318. Radiation reversal at night. 354, 357. eastern Pacific hurricane season of 1971. 276. Rainfall: unusually heavy during 24-hr period at Workman Creek evaluation of direct readoi t infrared data. 117. 1, Ariz. 206. ITCZ wave disturbances and formation of tropical storm Anna. RAJAMANI,S.: 733. and K. V. Rao. Study of heat sources and sinks and generation meteorological and oceanographic conditions during 1970 of available potential energy in Indian region during south- Bermuda yacht race. 597. west monsoon season. 383. near-simultaneous aircraft and satellite observations. 168. RAMANAMURTP, BH. V.: phenomena observed in southern California stratus. 389. and B. K. Mukherjee. High-level warmings over tropical real time ESSA 8 APT tracked over Australia. 749. station. 674. severe weather situation, hlar. 28, 1972. 509. Random data: distance distributions. 60. ship trails or anomalous cloud lines. 646. Ranked probability score: scalar and vector partitions. 701. spring ice migration near Newfoundland. 690. RAO,GANDIKOTA V.: “steam devils” over Lake Michigan. 235. and Maurice B. Danard. Numerical study of effects of Great summer thunderstorms over southern California. 799. Lakes on wink cyclone. 374. thin line convection. 880. RAO,K. V.: turbulent region. 408. and S. Rajamani. Study of heat sources and sinks and genera- Satellite radiance measurements for direct determination of strato- tion of available potential energy in Indian region during spheric layer thicknesses. 788. southwest monsoon season. 383. Satellite visible, infrared, and moisture channel data compared. 318. Reduction of truncation error in numerical weather prediction Scalar and vector partitions of the ranked probability score. 701. models. 637. SCHMIDT,PHILLIP J.: REED,RICHARD J. : and Donald R. Johnson. Use of approximating polynomials to Further analysis of semidiurnal tidal motions between 30 and estimate profiles of wind, divergence, and vertical motion. 60 km. 579. 345. Reference heights : computations of upper tropospheric values from SCHULZ,W. A.: winds. 808. and D. L. Smith. Weather note-powerline breaks-potential Regression technique for temperature profiles in upper strato- aid in tornado identification and tracking. 307. sphere from satellite-measured radiances. 542. Seasonally variable forcing and response of a tropical atmosphere Relation between microphysics and dynamics in cumulus convec- and ocean model. 424. tion-numerical experiments. 7 17. Sea-surface temperature: global distribution determined from a Relationship between polar jet stream and heavy precipitation. 434. satellite. 10. Relationship between lunar tidal cycles and hurricane formation. Semiannual variation at the base of the thermosphere. 222. 451. Scmidiurnal tidal motions between 30 and 60 km. 579. Reliability of precipitation probabilities estimated from gamma SENN,HARRY V. : distribution. 607. and Peter 0. Black and Charles L. Courtright. Airborne radar RENNER,V.: observations of eye configuration changes, bright band dis- and G. Fischer. Correspondence-comments on “Note on tribution, and precipitation tilt during 1969 multiple seeding computational stability of two-step Lax-Wendroff form of experiments in hurricane Debbie. 208. advection equation.” 682. Sept. 1972 weather and circulation. 882. Response of joint ocean-atmosphere model to seasonal variation of solar radiation. 42. Severe local storms: Response of tropical atmosphere to local, steady forcing. 518. daily tornado frequencies for contiguous United States. 238, RITTER,TERRY A.: 750. and Marvin E. Miller, Norman L. Canfield, and C. Richard damaging, mischievous, and interesting whirlwinds and water- Weaver. Visibility changes in Ohio, Kentucky, and Tennesscc spouts. 317. interpretations of chaff trajectories near severe thunderstorm. from 1962 to 1969. 67. ROBERT,ANDRI~: 653. and John Henderson and Colin Turnbull. Implicit time integra- powerline breaks-potential aid in tornado identification and tion scheme for baroclinic models of the atmosphere. 329. tracking. 307. Rocketsonde sensors and density errors. 189. radar echo maximum intensity display at National Severe Storms Laboratory. 8. severe weather situation, Mar. 28, 1972. 509. s summer thunderstorms over southern California. 799. SADOURNY,ROBERT: unusually heavy 24-hr rainfall at Workman Creek 1, Ariz. 206. Conservative finite-difference approximations of primitive SHIGEISHI,H. : equations on quasi-uniform spherical grids. 136. and R. M. Endlich, R. L. Mancuso, and R. E. Nagle. Computa- SALTZMAN,BARRY: tion of upper tropospheric reference heights from winds for and Frank E. Irsch 111. Note on theory of topographically use with vertical temperature profile observations. 808. forced planetary waves in the atmosphere. 441. Ship trails or anomalous cloud lines. 646. SASAKI,YOSHIKAZU: Short time period atmospheric density variations and determination and Eugene M. Wilkins and Ernest W. Marion. Laboratory of density errors from selected rocketsonde sensors. 189. simulation of wake effects on second and third thermals in SHULMAN,I. : series. 399. and K. Miyakoda, G. D. Hembree, and R. F. Strickler. Cumu- S at,ellite determination of global sea-surface temperature distribu- lative results of extended forecast experiments: I. Model tion. 10. performance for winter cases. 836.

898 1 Vol. 100, No. 12 / Monthly Weather Review

Unauthenticated | Downloaded 09/29/21 01:20 AM UTC Significance tests for temperature and precipitation normals. 503. T SILVERMAN,BERNARD A. : TAUBENSEE,ROBERT E.: and Loren D. Nelson. Optimization of warm-cloud seeding Weather and circulation of Nov. 1971-cool in Northeast in agents by microencapsulation techniques. 153. association with development of an east coast trough. 171. SIMONS,T. J.: Weather and circulation of Feb. 1972-warm and continued On the theory of atmospheric development. 145. dry in Far Southwest. 411. SIMPSON,JOANNE: Weather and circulation of July 1972-record cold in Northern Use of gamma distribution in single-cloud rainfall analysis. 309. Great Plains and Northern Rocky Mountains. 751. SIMPSON,R. H.: TAYLOR,R. J.: and John R. Hope. Atlantic hurricane season of 1971. 256. and C. H. B. Priestley. On assessment of surface heat flux and Simultaneous aircraft and satellite observations over western evaporation using large-scale parameters. 81. Canada and northeast Pacific. 168. Temperature and precipitation normals: tests of significance. 503. Simultaneous Helmholtz equations : method for solution. 644. Temperature profile determination in upper stratosphere using SIRMANS,DALE: satellite-measured radiances. 542. and Walter L. Watts. Display of radar echo maximum intensity Temperature profiles at low-altitude: microwave determination. 15. in use at National Severe Storms Laboratory. 8. Temperature structure during 1966 Thanksgiving week air pollution Size distribution of graupel and hail. 325. episode in New York City. 445. SMITH,ARTHUR H., JR.: Temperature variations in the stratosphere in autumn-Northern Picture of month-turbulent region. 408. and Southern Hemispheres compared. 1. SMITH,D. L.: Temperature variations on planetary scale in stratosphere. 582. and W. A. Schulz. Weather note-powerline breaks-potential Tests of significance for temperature and precipitation normals. 503. aid in tornado identification and tracking. 307. Theory of atmospheric development. 145. SMITH,W. L.: Thermals: laboratory simulation of wake effects. 399. and P. Krishna Rao and R. Koffler. Global sea-surface tempera- Thermosphere base semiannual variation. 222. ture distribution determined from environmental satellite. 10. THOM,H. C. S.: SMITH,WARREN and Marcella D. Thom. Tests of significance for temperature and Russell J. Younkin. Operationally useful relationship be- and precipitation normals. 503. tween polar jet stream and heavy precipitation. 434. THOM,MARCELLA D.: Snowfall from lake-effect storms. 62. and H. C. S. Thom. Tests of significance for temperature and SOULES,S. D.: precipitation normals. 503. and S. Fritz. Planetary variations of stratospheric tempera- Thunderstorm: nearby chaff trajectories. 653. tures. 582. Southern and Northern Hemisphere comparison of autumn strat- Thunderstorm model and hail. 196. ospheric temperature. 1. Thunderstorms in summer over southern California. 799. Southern California stratus cloud phenomena. 389. Tidal motions of semidiurnal period between 30 and 60 km. 579. Southern Hemisphere circulation climatology from 200-mb GHOST Time integration scheme for baroclinic models. ‘329. balloon flights. 107. Time integrations using a frequency filter. 487. Southern Hemisphere prediction with nine-level, primitiveequation Topographically forced planetary waves. 441. model. 625. Tornadoes: Spectral model using primitive equations at one level. 683. daily frequencies for contiguous United States. 238, 750. Spherical grids for conservative finite-difference approximations of powerline breaks as an aid in identification and tracking. 307. primitive equations. 136. Trajectories of chaff near severe thunderstorm. 653. Stationary mean waves and topographic forcing. 441. Transformation of subsynoptic scale energy. 126. ‘‘Steam devils” over Lake Michigan during January arctic out- break. 235. Transport estimates and wind fields from a network of wind towers. STEPHENS,J. J.: 565. Distance distributions for randomly distributed data. 60. Transport of atmospheric energy over North America for 3 winter mo. 491. Stratosphere: accuracy of objective analysis at stratospheric levels. 218. Tropical atmosphere and ocean model response to seasonally vari- determination of thickness of stratospheric layers from single- able forcing. 424. channel satellite radiance measurements. 788. Tropical atmosphere response to local, steady forcing. 518. geostrophic wind deviation in upper troposphere and lower Tropical cyclone forecast system performance. 245. stratosphere in El Paso-White Sands area. 159. Tropical cyclone model: development of asymmetries in three- high-level warmings over tropical station. 674. dimensional numerical model. 461. planetary variation of temperature. 582. Tropical depression produces record rains, Sept. 20-23, 1969. 294. regression technique for determining upper stratosphere tem- Tropical storms: perature profiles from satellite-measured radiances. 542. Atlantic tropical systems of 1971. 268. temperature variations in autumn-Northern and Southern formation of Anna. 733. Hemispheres compared. 1. Tropical weather system prediction. 825. variations in “quasi-biennial’’ oscillation. 785. Tropics: Stratus cloud phenomena in southern California. 389. high-level warmings over tropical station. 674. STRICKLER,R. F.: ITCZ wave disturbances and formation of tropical storm Anna. and K. Miyakoda, G. D. Hembree, and I. Shulman. Cumulative 733. results of extended forecast experiments: I. Model perform- planetary pressure wave of 4- to 5-day period. 313. ance for winter cases. 836. Tropospheric reference heights: computation of high-level values Subsynoptic scale energy transformations. 126. from winds. 808. Suggestions for authors. 80, 700. Truncation error reduction in numerical weather prediction models. Surface heat flux and evaporation from large-scale parameters. 81. 637. Surges of maritime tropical air northward over Guif of California. TUBBS,ANTHONY M.: 298. Summer thunderstorms over southern California. 799.

December1972 J Index 1 899

Unauthenticated | Downloaded 09/29/21 01:20 AM UTC TURNBULL,COLIN: WEAVER,C. RICHARD: and Andr6 Robert and John Henderson. Implicit time integra- and Marvin E. Miller, Norman L. Canfield, and Terry A. tion scheme for baroclinic models of the atmosphere. 329. Ritter. Visibility changes in Ohio, Kentucky, and Ten- Two-level, quasi-geostrophic, atmosphere model with diabatic nessee from 1962 to 1969. 67. heating. 477. WEBSTER,PETER J.: Response of tropical atmosphere to local, steady forcing. 518. V WENDELL,LARRY L.: VANDERMAN,LLOYD W.: Mesoscale wind fields and transport estimates determined Forecasting with global, three-layer, primitive-equation model. from network of wind towers. 565. 856. WESTWATER,ED R.: Variations in “quasi-biennial” oscillation. 785. Ground-based determination of low altitude temperature pro- Vertical temperature structure during 1966 Thanksgiving week air files by microwaves. 15. pollution episode in New York City. 445. WETHERALD,RICHARD T. : Vertically integrated liquid water-new analysis tool. 548. and Syukuro Manabe. Response of joint ocean-atmosphere Visibility changes in Ohio, Kentucky, and Tennessee, 1962-69. 67. model to seasonal variation of solar radiation. 42. VUKOVICH,F. M. : Whirlwinds and waterspouts. 317. and C. F. Chow and E. C. Kindle. Study of atmospheric WILKINS,EUGENE M.: behavior using quasi-geostrophic, diabatic, two-level model. and Yoshikazu Sasaki and Ernest W. Marion. Laboratory 477. simulation of wake effects on second and third thermals in series. 399. W WILLIAMS,GARETH P. : WAGNER,A. JAMES: Field distributions and balances in baroclinic annulus wave. 29. Weather and circulation of Jan. 1972-month with record Wind deviation in upper troposphere and lower stratosphere in El strong midlatitude . 322. Paso-White Sands area. 159. Weather and circulation of Apr. 1972-highly variable over Wind tower network: mesoscale wind fields and trsnsport estimates. Central and Eastern United States, continued drought in 565. the Southwest. 590. Winds : Weather and circulation of June 1972-month with two major anomalous gradient values. 709. flood disasters. 692. coastal kinetic energy spectrum. 671. Weather and circulation of Sept. 1972-another Aug.-Sept. WINNINGHOFF,FRANCIS J.: reversal. 882. and Philip G. Kesel. Fleet Numerical Weather Central opera- WAHL,EBERHARD W.: tional primitive-equation model. 360. Climatological studies of large-scale circulation in Northern Winter and Great Lakes effects. 374. Hemisphere: I. Zonal and meridional indices at 700-mb WOOLDRIDGE,GENE L.: level. 553. Effects of internal gravity waves on energy budgets and ver- Wake effects on second and third thermals in series. 399. tical transport of angular momentum over mountainous WANG,“JAN-HENG: terrain. 177. and Paul Halpern, Jim Douglas, Jr., and Todd Dupont. WOOLF,HAROLD M.: Numerical solutions of one-dimensional primitive equations and Melvyn E. Gelman and Alvin J. Miller. Regression tech- using Galerkin approximations. 738. nique for determining temperature profiles in upper strato- Warm-cloud seeding agents: optimization by microencapsulation. sphere from satellite-measured radiances. 542. 153. WRIGHT,STANLEY W.: Waterspouts and whirlwinds. 317. and Frances C. Parmenter. Picture of month-thin line con- WATTS,WALTER L.: vection. 880. and Dale Sirmans. Display of radar echo maximum intensity in Wu, HSING-WU: use at National Severe Storms Laboratory. 8. and Kenneth H. Jehn. Geostrophic wind deviation in upper Waves breaking at an inversion. 133. troposphere and lower stratosphere in El Paso-White Sands Weather note: area. 159. minimal tropical depression produces record rains. 294. WURTELE,M. G.: powerline breaks-potential aid in tornado tracking. 307. and J. G. Edinger. Interpretation of some phenomena ob- unusually heavy 24-hr rainfall at Workman Creek 1, Aria. 206. served in southern California stratus. 389. Weather, U.S. : continued drought in Southwest, Apr., May 1972. 590, 648. Y minimal tropical depression produces record rains. 294. YOUNKIN,RUSSELL J.: monthly rksumks Oct. 1971-Sept. 1972. 74, 171, 239, 322, 411, and Warren Smith. Operationally useful relationship between 511, 590, 648, 692, 751, 819, 882. polar jet stream and heavy precipitation. 434. phenomena in southern California stratus. 389. severe weather situation, Mar. 28, 1972. 509. 2 “steam devils” over Lake Michigan during January arctic outbreak. 235. Zonal and meridional indices at 700-mb level in Northern Hemi- two major flood disasters in June 1972. 692. sphere. 533.

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