TABLE 3 ENIWETOK WIND DATA FOR OPERATION SANDSTONE ~ Altitude (MSL) feet Dir H-hour degrees Surface 2,000 4,000 5,000 6,000 8,000 10,000 12,000 14,000 090 ----100 ----130 ----- 16,000 18 , 000 20,000 25 ,000 30,000 35,000 40,000 45,000 50,000 55,000 ----160 230 240 220 220 220 230 220 15 ,000 NOTES: 1. 2. 3. 4. 150 Speed mph 10 --14 --14 --- 09 --09 12 14 23 15 34 23 14 Ht+2 hours Dir degrees 090 100 100 (100) 090 110 130 120 140 (140) 140 140 140 220 210 210 220 220 230 -+- Speed mph 12 15 12 (12) 12 21 15 13 og (09) 10 09 02 12 15 2l 21 37 21 -- X-RAY H+3 hours Dir degrees O70 O70 090 (095 ) 100 090 080 080 O70 (075) 080 360 210 120 ----~-~ ----“++ Numbers in parentheses are estimated values. Tropopause height was 55,000 ft MSL at H-hour. Speed mph 16 23 23 (24) 25 23 16 12 09 (08 ) OT O7 02 09 -~ --~ ---~ The H-hour wind data was estimated by the USAF weather station on Eniwetok Island. The Hte and H+3 hour winds were measured. At H-hour the sea level pressure was 1190 mb, temperature T5°F, and the dew point 71°F. 16