TABLE 4 ENIWETOK WIND DATA FOR OPERATION SANDSTONE — Altitude (MSL) feet Surface 2,000 4,000 5,000 6,000 10,000 14,000 15,000 16,000 20,000 25,000 30, 000 35,000 40,000 45,000 50,000 55,000 H-hour Dir Speed degrees mph 080 ----“090 ~+160 --090 --220 210 210 220 210 210 200 200 YOKE H+3 hours Dir Speed degrees mph 16 --14 -12 -O7 -12 16 ek 48 57 54 49 LO O70 O70 090 170 180 150 080 090 100 170 250 270 --~--~+ --— 15 21 12 O7 08 39 AL 29 28 ho TO LT ------ NOTES: 1. Tropopause height was estimated to be 56,000 ft MSL at H-hour. 2. 3. The H-hour wind data was estimated by the USAF weather station on Eniwetok Island. The H+3 hour winds were measured. At H-hour the sea level pressure was 1050 mb, the temperature 79°F, and the dewpoint 72°F. 20