ted to report cloud and shower activity every 15 minutes, starting at H minus 75 minutes, ASW aircraft patrolling the area bearing north through southcast from ENGEBI were ordered to submit weather reports every 15 minutes. The Weather Central was ordercd to in- crease the frequency of uppcr wind soundings, This effort marked what is perhaps the most intense cffort in the history of metcorology for a single place end short time. (4) As BASY day approached the weather bricfing schedule was modified to permit more latitude and less physical strain on the command echelon, The first formal bricfing was schcduled for H minus 30 hours, with information to be furnished prior to that time based upon availability of information and changes in tho weather of intcrest to the command, It was soon evident that the now pro~ cedure had merit and flexibility, On EASY minus 3 days, a forecast for average trade wind weather was issucd, On EASY minus 2 days, decroasing trade wind velocity and consequent minimum cloud and showers were forccast for shot day, This out- look continued unchanged, (7) ot the finel briefing (H minus 6 hours), a forecast for minimum cloud, no showers, and an increasingly favorable upper wind situation was issucd, (8) The operation proceeded on schedule. The intense effort to pro- vide special information was succossful to an outstanding degree, and the forecast verificd in every detail. (9) Results of particle fall-out research were immediately apparent, Fall-out occurred precisely as forccast, ds GEORGE SHOT: (1) Because of the Large expected weapon yicld, radio logical safety was established by the Commander as the most critical of all wea- thor criteria, cven to the extent of sacr ificing portions of the drone PPOEr progr am, QLom Tawl, dlomo nte ofof phot onts mhata emanh : osra phic ’ rag?, f and cove And other 5 important bub not critical prograns, (2) As GEORGE day approached s weathe r over a large part of the Cent ral