334 BULLETIN AMERICAN METEOROLOGICAL SOCIETY

Program of the Scandinavian-American Meteorological Meeting, 19-25 June 1958, in ,

Organization Tuesday, 24 June, 2000 h. After a short sight-seeing Presidium : trip through the landscape south of Bergen, the Uni- Chairman: Professor C. L. Godske, Norway versity of Bergen will give a dinner at Solstrand Director Karl Andersen, Denmark Hotel, Os. Professor , Sweden A cocktail party is also being planned, and will prob- Director R. Fj0rtoft, Norway ably take place on the evening of 23 June. Further de- Director Teresia Gudmundsson, Iceland tails about this and the other social arrangements will be Dr. Enok Palm, Norway available at the beginning of the meeting. To all social Professor E. Palmen, Finland arrangements only ordinary business suit is required. Professor Sverre Petterssen, U.S.A. Dr. Francis W. Reichelderfer, U.S.A. PROGRAM Arrangement Committee: Thursday, 19 June 1958, 1000 h. C. L. Godske, Bergen, Norway Opening Jack Nordo, Bergen, Norway Presidential Address H. Schieldrup Paulsen, Bergen, Norway Finn Pedersen, Bergen, Norway Tor Bergeron: Methods in Scientific Weather Forecasting Secretary: Finn Pedersen, Varvarslinga pa Vestlandet, 1315 h. Section I Bergen, Norway Thomas F. Malone: Synoptic Climatological Methods in AMS Committee for the Meeting: Numerical Weather Prediction. Robert M. White (chairman) Edward N. Lorenz: The Application of Synoptic and Max A. Eaton Dynamic Principles to Statistical Weather Forecasting. Donald P. Mclntyre Frank Lewis: A Non-Linear Statistical Model for Short- Jerome Namias Range Forecasting. Philip D. Thompson: Statistical Aspects of the Dynamics GENERAL INFORMATION of Baroclinic Models.

The meeting is arranged by Norway under joint 1315 h. Section II Scandinavian-American sponsorship. The papers pre- sented cover a variety of subjects. The arrangement of Robert R. Long: The Application of Boundary-layer the discussions in their relation to the lectures will be Theory to the Problem of Meso-Scale Vortices in the decided by the chairman of the session in question. Ab- A tmosphere. stracts of the lectures will be available at the opening of Joachim P. Kuettner: The Banded Structure of the the meeting on 19 June. Atmosphere. All sessions will be held at Bergens Haandvaerks-og Morton L. Barad: Some Results of Recent Diffusion Industriforening, Veiten 3, in the center of Bergen. There Experiments. are restaurant facilities in the building. An information Christer Morales: A Case Study of Radiation Fog by office will be open from the evening of 18 June in the Means of Radiosonde and Tethered Balloon. lobby. Friday, 20 June 1958 Hotel accommodations have been secured for the dura- tion of the meeting. The Arrangement Committee will 0900 h. Section I try to organize transportation to the morning sessions Aksel Wiin-Nielsen: Some Experiments with Different for delegates staying at "Hotel Alrek" (Students Resi- Baroclinic Models. dence House). Norman A. Phillips: Geostrophic Errors in Predicting On 19 and 20 June the meeting will divide in two sec- the Appalachian Storm of November 1950. tions. For both sections there will be an afternoon ses- Donald E. Martin: Investigation of Errors in the Nu- sion on 19 June, and morning and afternoon sessions on merical Weather Prognosis. 20 June. Sigurd Jahr Smebye: Computation of Precipitation from The official language at the meeting will be English. Large-Scale Vertical Motion. Fredrick G. Shuman: Application of the Balance Equa- PRELIMINARY SOCIAL PROGRAM tion in Numerical Weather Prediction. Thursday, 19 June, 2000 h. Informal meeting with sup- 0900 h. Section II per (01 og p0lsefest) at Schottstuene, Bryggen, Bergen. Saturday, 21 June, 1500 h. The City of Bergen will give Helmut Weickmann: Formation and Artificial Modifica- a lunch. tion of Precipitation.

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Louis J. Battan and A. R. Kassandar: Artificial Nuclea- Monday, 23 June 1958, 0900 h. tion of Convective Clouds. E. Palmen: The Concept of Air Masses and the General Wendell A. Mordy and C. Rooth: Cloud Condensation, a Circulation. Numerical Experiment. D. P. Mclntyre: Structure and Variation of the Wind David Atlas: Radar Microanalysis of a Thunderstorm: Field over North America. Precipitation and Electricity. Julius : An Analysis of the Variations of Ozone Marius Todsen : Some Measurements of Drop Size Distri- over Central . bution and Concentration in Clouds and Fogs in the Friedrich Defant: The Structure of the Atmosphere in Oslo Area. Winter and Summer with Emphasis on the Tropo- Wendell A. Mordy: Some Factors Influencing Droplet pause, Polar Front and Subtropical Jet. Grozvth by Coalescence. Monday, 23 June 1958, 1315 h. Friday, 20 June 1958 Sverre Petterssen: A Synoptic Study of Heat Exchange 1315 h. Section I Between the Sea Surface and the Atmosphere. E. Eliassen: On the Theory of Amplifying Frontal Morris Neiburger: Air Mass Modification over North- Waves. Eastern Pacific Ocean in Summer. Pierre Welander: Equilibrium Spectrum of Non-Linearly Eigil Hesstvedt: On Mother of Pearl Cloud Formation. Interacting Waves. Enok Palm and Arne Foldvik: On Mountain Waves. Eyvind Riis: On Long Instability Waves in Atmospheric Tuesday, 24 June 1958, 0900 h. Models. Arnt Eliassen: On the Formation of Fronts in the At- 1315 h. Section II mosphere. S. H. Small: Some Aspects of the Use of Naturally R. C. Sutcliffe: Frontal Structure from Observations of Radioactive Isotopes as Tracers in . the Meteorological Research Flight. Bert Bolin: On the Use of Tritium as Tracer for Water P. M. Breistein, L. Oredsson and E. Palmen: Preliminary in Nature. Report of Some Synoptic-Aerological Investigations P. B. Storebo: Orographical and Climatological Influ- of Fronts. ences on Deposition of Nuclear Bomb Debris. D. O. Staley: Radiative Cooling Through an Upper- Level Front. Saturday, 21 June 1958, 0900 h. Roy Berggren: On the Accuracy of Upper Air Analysis. J. Van Mieghem: The Selective Role of the Motion Sys- R. Fj^rtoft and O. Haug: A Method for Numerical tems in the Atmospheric General Circulation. Weather Map Analysis. R. Fj0rtoft: Amount and Distribution of Kinetic Energy Wednesday, 25 June 1958, 0900 h. in the Atmosphere as Function of Large-Scale Heating and Cooling and Ground Friction. J. Bjerknes: Related Changes of Atlantic Sea Surface Kirk Bryan: Rotating Tank Experiments with a Two- Temperatures and Atmospheric Circulation. Layer System. Jerome Namias: Air Mass Analysis Related to Numeri- George S. Benton: The Atmospheric Energy Balance and cal Short and Extended Range Prognosis. Mean Vertical Velocity Field over the North American Bengt Thorslund: Some Remarks on Methods and Results Continent. of Medium Range Forecasts in Sweden. Richard L. Pfeffer: On the Development of a Consistent R. Scherhag: The Berlin Line Squall of 7 July 1957. Theory of the General Circulation of the Atmosphere. Vincent J. Schaefer: The Time-Lapse Camera as a Wm. van der Bijl: 40 Years of Curvature Effect. Meteorological Instrument.

Societies as far north as San Francisco and as far east ANNOUNCEMENTS as Denver will be invited to attend. The technical sessions will be held in the Theater of the Marine Corp Recruit Depot in San Diego. The four half-day sessions will consider Economic and Sociological Space Exploration Meeting Factors, Aerodynamics and Propulsion, Plans and Pro- grams (classified), and Space Environments and Life. A two-day Regional Technical Meeting on the explora- A banquet meeting is scheduled for the evening of tion of space will be held in San Diego on August 5 and August 5. 6, 1958. The meeting is sponsored jointly by the San Inquiries concerning the meeting should be addressed Diego Sections of the American Rocket Society and the to: R. D. Linnell, General Chairman, Space Exploration Institute of the Aeronautical Sciences. Members of both Meeting, 3300 N. Harbor Drive, San Diego 1, California.

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