of Weathew/Radnafe forecasting, Tiere remaine the last suggestion above, namely, better use cf existing tochniques to "follow the shot through". In recognitias of the fact that forecasts can fat, the system should provide & measure of advance warning in order thet appropriste measures emuld be taken oarly to avoid the sevwore aspects of unexpected fall-out. On C.STLE the Weather Central maintained a continucus sehedule of post— shot observations by ite network of stations, These were studied by radsafe persommel in conjunction with revised air particle trajectorise, cloud tracicing efforts and reports from memed growsd aonitor stations. Continuing the complete pre-ehot type weather/redsefe foreeasting techniques from H hour through about H plus 24 houre could considerably iaprove the results of these efforts.