JUNE,1917. MONTHLY WEATHER REVIEW. 331 s5-g/.56 6 ( 7-7) SECTION VII.-WEATHER AND DATA FOR THE MONTH. TEE WEATHER OF JVNE, 1917. and central districts; but in the North and particularly in the region of the Great Lakes, it continued cool. P. C. DAY,Climatologiet and Chief of Division. For the month as a whole the temperature was below patad: Weather Bureau, Washington, Aug. 1,1917.1 the normal throughout the country esce t locally along the Atlantic coast and over most of the 8outhern States PRESSURE AND WINDS. from the Atlantic to the Pacific, including California and portions of Nevada and central Oregon, where it The distribution of the mean atmos heric pressure was somewhat above the average. Over the northern over the United States and Canada, anR tho prevailing districts from central New Pork to central Washington direction of the winds for June, 1917, are graphically and as far south as southern Kentucky and Missouri, shown on Chart VI1 (XLV-57), while the means at the the avera e temperature for the month ranged from 3 to several stations, with the departures from the 1iorma.1, 6 degrees elow the normal. are shown in Tables I and 111. B At the beginning of the month relative1 low pressure PRECIPITATION. revailed over the Lakes region and in tie Southwest, gut elsewhere pressure was near the normal. From t.he June opened wit.h general showers over most of the 1st to 8th several low-pressure areas moved from the far eastern part of the country, sncl also in the central dis- Southwest to the Great Lakes and eastward, ancl rela- tricts as far west as eastern Utah. During the next tivel high pressure predominated in the Southeast ancl several days rather heavy rain fell in much of the corn NortYl west. For the next several da 7s the pressure was belt and in t.he cotton region, escept near the Gulf coast low throughout the easteiii half o? the country, but and in western and southern Texas where rain was about the 16th a HIGH area of some magnitude over- greatly needed. From the Gth to the 12th considerable s read the East generally and pressure above the normal rain fell pract,icall everywhere east of the central Plains ot tained for several da s. During the second half of States, except in t ie southern port.ions of the Gulf States. the month an occasions9 area of relatively low pressure Heavy rains occurred over most of New England and moved from the far West eastward across the country, westward to eastern Nebraska. There were many but during much of the time the prevailing pressure reports from the latter section that t.he ground was too over most sections was above the normal. wet to work. From the 12th to the 19th little or no The month closed with low pressure in the Northeast, rajn fell in many sect,ions of the country; but in much and in the central and northern ortion of the Great of the Carolinas, Florida, and most districts near the Plains States; while in the SoutieasternY States and Gulf coast as far west as western Louisiana liberal rains west of the Rocky Mountains, except in the far South- occurred, while moderate amounts fell in most of Iowa, west, it was decidedly above the average. northern Illinois, parts of Ohio, and over practically all For June as a whole the barometric pressure averaged the Lakes region and North Atlantic States. above the normal Durin the remainder of the month the rainfa.11 was few stations near irregularK p distributed, although in most sections east of where it was slightly below the Mississippi River the falls were ample, the amounts from the normal were being especially large in western Pennsylvania, south- what pronounced in western New York, eastern North Carolina, southern Pacific regions. Ohio, eastern Michigan, and from central Illinois to east- The distribution of the HIGHS and LOWS was enerally ern Nebraska. favorable for southerly winds in most sections 7rom the The month closed with generally fair weather, except Great Plains States eastward, while along the Pacific dong the Btlantic coast and in the upper Mississippi coast they were generally from the north. Elsewhere Valley and far Northwest, where light to moderate rains variable winds prevailed. prevailed. For the month as a whole thc >recipit.ationwas heavy TEMPERATURE. in parts of New England, New +ark, Pennsylvania, the Carolinas, and Florida, and also in central portions of The unseasonable and almost continuous cool weather Ohio, Indiana, and Illinois, the greater part of Iowa, that had been ex erienced over practically the entire east.ern Nebraska, southern Michigan, and central Ar- country since the fast week in April continued in most kansa.s. Elsewhere in the eastern half of the country districts during the first two decades in June, during moderitte falls occurred, escept in portions of the eastern which time some of the lowest temperatures ever exper- Gulf Sta.tes, where they were light. ,Throughout the ienced in that month were recorded. Tem erature western Gulf States the fall was enerally less than 1 conditions for this period are considered in tetailP on inch, a.nd at points in Mississi )pi and Louisiana the month p es 285-289 of this issue of the REVIEW. was one of the driest of recor and much dam %wing the last decade of the month the temperatmure resulted. From the Grea.t PlainsA westward was generally above tho normal in almost all southern tation wtw likewise light and below the Unauthenticated | Downloaded 09/25/21 03:05 AM UTC 322 MONTHLY WEATHER REVIEW. JUNE,1917 month's total being enerally less than half an inch es- At 6 m. June 1 a tornado formed about a mile south- cept in the more! nort% ern localities, and over large areas west of !b omona, passing over that town and disappearing no rain occurred. 9 miles to the northeast, The path was about a quarter of a mile wide. Two persons were injured and property RELATIVE HUMIDITY. vn.lued at $15,000 destroyed. Baldwin, 17 miles north- east of Pomona, was visit.ed by a severe windst:orm et 6:30 The relat,ive humidity for the month as a whole was p. m. the same day, which wns robably the remnant of above the normal over the northern half of the country t.he Pomona storm. Damage? ni out $200. from the Mississippi Valley eastward and in Washington About 7:30 p. m. on June 1 a torliarlo formed 34 miles and the southern portion of Cslifornin and Arizona. sou thweat of Morse and moved northeast into Missouri. Elsewhere humidity was generally below the avorage for The path was about 80 rods wide and 25 miles long. Four June, es ecially in the Plains States and portions of cen- persons were killed, two injured, a.nd property doiiinged tral Calilp ornia where the deficiency ranged from 10 to 30 to amount of about $10,000. per cent. About 5 p. m. June 5 a tornado formed 5 miles south- GENERAL SUMMARY. west of Clinton snd traveled 15 miles northeclst. Its )nth was a quarter of a mile wide. One person WRS The weather for June as a whole was favorable for crop killed, six or eight injured, a.nd prnctic.ally all of tl?e develo ment, except in the South and Southwest, where village of Clinton and a great niniyr. farmhouses and resi- lack oP moisture prevented plant growth, and in the dences were destroyed; much stock \vas killed and sovernl Northwest where the cool wedier delayod advance- fine orchards ruined. Estimat.ed loss, 4650,000. ment . A tornado formed 3 miles northwest of Troy about. 5:45 Winter wheat mado exccdlent progress generally and 1. ni. June 5 and moved southeast. for 2 miles, then east the weather WRS favorable for hnrrest,ing in the southom lor about 2 miles. Damage by wind, about. $15,000, nnd and central districts. Tho growth of s wing wheat, was by heavy ra.in, about $20,000. somewhat backward, hut it mudo goo(r' progress during At 6 p. m. June 5 a tornado formed 24 miles Eorthenst, the latter art of tho 1nont.h. The u-eather was generally of Shew and nioved northeastward. Its path was 300 unfavorab7 e for corn, c.otton. and some t.ruck cro b until yards wide and I5 miles long. One person WRS killed, one the latter part of the month, when warmer weat,K er nnd injured, and property damn ctd to aniount of $30,000. well-distributed rainfall caused much improvement in the At 6 p.m June 5 a tornado formcd near Moninnn, Iinns., condition of these crops. and moved northeastward. The path was from 100 to Pastures and ranges were generally in ood condition, 200 feet wide nnd 10 miles long. Estimated damage, exce t during the latter part of the niontP i in portions of $7,000. the !e lains States and west.ern Teses, where rain was . m. June 5 a tornado formed half n mile much needed. southwestAt 6:15 o P Pomona and nioved northeast,ward. Its lath Some injury to fruit resulted from frosts in the Noh- was about 40 miles long and 1 nile wide. Property 'I oss, west and from wind and hail in portions of the Mississippi about $10,000. Valley. However, at the end of tho month the outlook A tornado formed 9 miles southwest of Eskridge late in for fruit was good.