gene? Winds and observed winds during the period of SUAVO were sitbis these observational limits, On the last specific wind forecast tesued at E minus & hours, there were ten (10) winds forecast to be above 10 imots which can be cazpared with the observed winds taken from the CURTISS at GRUVO hour. Of these ten (10) winds, siz (6) differed by 10 degrees, two (2) by 20 degrees, one (1) by 0 degrees and one (1) by 40 degrees. 80 per cent of the farecast winds which can be checked in the immediete locale vere within observational limits imposed by the equipment itself. The errers of 30 degrees and 40 degrees were the farecasts for the levels immediately ebove and below 16,000 feet. COCLOSIONS: Weather contitions during the five days prior to BRAVO day were indicative of a favarable trend for BRAVO, involving on an average, ~~ ‘ a. The weatber situation presented at Zz minus 6 hours for a 24 hour period was setisfactary; however, an upfavorable trend was predicted to occur during the following cl bows si nerthwest winds were forecast for the 10,000 to 20,000 foot le 7 This trend ras borne out by leter observations. be The forecast wind directions were well within the normal forecast exzror, which must pe esticipated. Forecasts of the sexe precis.ca as those made in areas of dense observation networks cannot be expected in this erea. The forecests of rings eloft for SAAVO were, nevercbe- less, eprroaching the limits of Eiman ability enrich the ext at presect aiiors. aon a fren a fallout point of view. - GRAVO minus 2 and Suv0 minus 1 days were especially favarable aes above. ~t easterly winds below 15,000 feet, with winds of a southerly component e 6.