TABLE 5 ENIWETOK WIND DATA FOR OPERATION SANDSTONE — Altitude (MSL) feet 15 ,000 2ko 250 280 270 40,000 270 NOTES: mph 10 17 13 13 270 45,000 Speed 080 100 130 220 30,000 35,000 H-hour degrees Surface 2,000 5,000 10,000 20 , O00 25,000 Dir 270 Dir H+2 hours degrees Speed mph ZEBRA Dir H+3 hours degrees Speed mph 100 110 110 190 09 16 15 12 090 100 110 220 09 17 14 14 21 31 250 260 20 2g 260 250 ek 36 50 260 46 290 Ly 270 55 14 50 83 Oo 240 260 290 280 OT hs 48 48 2ko 270 290 08 hh 56 1. Tropopause height was 54,000 feet MSL at H-hour. 2. The H-wind data was estimated by the USAF weather station on Eniwetok Island. The H+2 and H+3 hour winds were measured. At H-hour the sea level pressure was 810 mb, the temperature 3. 81°F, and the dew point 74°F. 24