eastieke i PLACE; ENIWETOK-BIKINI 4 a DATE 4 TIME BI-HOURLY OBSERVATIONS, MSTS - T-LST 618, AUGUST 18 - SEPTEMBER 1, 1957 POSITION/COURSE Ng DDFF WX P TT TT, TT, 1800-2000 (2000 Position: Lat 11°23'N-Long 162°56'E) 2000-2200 (2200 Position: Cr TYPE AMT. aths 8/28 LOG ENIRIES: Visibility excellent. Lat 11°25.0*N-Long 163°13.0tH) HT. 00 ft. Cu Cy TABLE 18 (Continued) DD Medium average NE swell. En route Parry (Elmer) Is. to Hikini. WAVES PERIOD HT. ft. Slight NE sea. Slight showers of rain. Visibility about 10.0 miles. tasterly sea (slight). Sky overcast. Harometer rising. 2310: lightning in the east. Long bright flashes. 2200-2400 (2400 Position: Lat 11°25.0'N-Long 163°32.0'E ~ on course 090° true) Thunderheads and lightning in the E. Visibility unlimited. Barometer steady. 4 af is 8/29. 0200 04,00 0600 11°25'N 1000 & #1200 14,00 1600 1800 2000 2200 24,00 - LOG ENTRIES: oe 4, 11°25'N 163°49'8 11°25.5'N 0800 090 3 10-10 Ol 86 82 78 85 3 2 20 10 5 3 164° 071E 090 4 10-12 03. «86 82 78 85 L 2 20 10 5 3 164° 25'E 11°25'N 164°43°E 11°24.0'N 165° O0tE Bikini Bikini 090 2 06-10 01 83 83 79 2 2 20 ot 4 2 -- 1 1 1 -- O7 OF -- 4 4 ~- 3 3 - -~ -- _- -- - N 087 085 Bikini Bikini Bikini Bikini : O R 17 8 86 87 86 84 85 85 80 79 79 3 3 3 2 2 2 20 20 20 5 07-12 02 83 84 79 5 2 20 05-12 2 2 06 06-12 03 O1 02 BS 86 85 86 80 83 83 N 0000-0200 (0200 Position: 0800-1000 (1000 Position: 0 Lat 11°25'N-Long 163°49'E) Unlimited visibility. 5 78 79 R Lat 11°25.5'N-Long 164°07tE) Lat 11°25'N-Long 164°25'E) Lat 11°24.0'N-Long 165°OO'E) Cirrus clouds overhead. #1000-1200 (1200 Position: Approaching Bikini Atoll) E Sky clearing. Light southeasterly wind and sea. swell. 0600-0800 (0800 Position: Lat 11°25'*N-Long 164°43'E) average NE swell. < P 03 62 02 0400-0600 (0600 Position: “ E 07-10 07-10 06-12 5 Bikini Rk 4 4 4 0200-0400 (0400 Position: a ““ - Bes ee 2 2 P 2 20 2 2 O R 20 20 T --~ -- Cumulus clouds to S. No change in weather for past 4 hours. Slight ENE sea. Visibility excellent. Slight northeasterly sea. No change in weather. VAPOR Hentai’ em Dd Fon 1tae a4 + - Barometer dropping slowly. Visibility excellent. Visibility unlimited. -- S Moderate average NE Moderate Thunderheads all around horizon. ; 1200-1,00 Moored at Enyu Is., Bikini Atoll. Moderate NE wind 12-15 knots. Unlimited visibility. distance around horizon. Barometer steady. 1400-1600 Position as before. Weather as before. Rain squalls to easterly. SF PR -- Rain squalls in