ent SULEARY GF WEATHER SIvTJATio SOR FEATS Sete GEAR. «This sumtiry presents the weather situation es existed prior te, at, and just efter SRAVO shot time, for the genersl arcs of the Varshell Islands, with specific reference to Bikin‘é ast tae SHPILP shot site. Pri-SADi VSATHER. a. General Srostic Situation (1) SUBPASZ = The surface chart was dominated by a higt sree sare cell located at apsroxcizately 34 degrees corth 171 degrees east with a central pressure of aprroximately 10S WBS. 2 trcug, oriented northeast - soutowese Laz just off the cozst of J.pas. iSisicuz pressures in low latitudes lay just along the e suitor. Plow over the larshall Islands area was the ecst northeast *>ade flow, with no marked regions of convergence or divergence. Lo. 1). (Saat During the preceding several days the high pressure cell had been moving slowly eastward, with a slight increase in the central pressure. (2) UPPER LEVEL CHARTS. From apnroximately 25,005 to §5,000 Jeet the flow pattern was dominated by & clockwise rotation cemteres near 5 degrees north 175 degrees east. Tris system Was essectiay wartical froz 30,000 to 56,000 feet (Chart No. 4). Tae Siow ot cuese levels, under the influence of this dominant srste= was ros the west southwest. at 25,000 feet the dominant clecxwise sctatice lar mich fiumthes to the east, with a secondary cece? losatet sist ere be