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OPNAV FORM 3146-1 (1-68)
Previous editions obsolete
5/NO/07-774-4101
DEPARTMENT OF THE NAVY
SHIP WEATHER OBSERVATION SHEET
USS U.S.S. MARYSVILLE (EFCER 857) CONFIDENTIAL
DATE (GMT) SUN 19 62
AT. PASSAGE FROM TO
SECTION I
TIME WINDS VISIBILITY WEATHER BAROMETER TEMPERATURE CLOUDS SEA WATER TEMP. SEA WAVES SWELL WAVES
(GMT) IF ESTIMATED DIRECTION FORCE VISIBILITY SYMBOLS (Inches) (Degrees and tenths) AMOUNT HEIGHT TYPE (Degrees and tenths) PERIOD HEIGHT DIRECTION PERIOD HEIGHT
(True) (Knots) (Miles) (True) (Tenths) (Seconds) (Feet) (True) (Seconds) (Feet)
00 350 19 10 SCT 30.19 66 57 4200 4000 SC 61 2 3 050 3 5
01 350 7 10 CLR 30.17 60 65 -- -- 61 2 3 050 2 3
02 250 7 10 CLR 30.18 60 55 -- -- 59 2 3 300 2 2
03 070 5 10 CLR 30.18 60 56 -- -- 57 2 3 120 2 3
04 340 8 8 BKN 30.20 59 58 7 4000 SC 58 2 3 090 2 3
05 340 8 8 BKN 30.21 58 54 8 5000 SC 53 2 3 090 2 3
06 340 9 8 BKN 30.23 58 54 8 5000 SC 53 2 3 090 2 3
07 340 10 8 BCT 30.19 58 50 5 4000 CI 52 2 3 090 2 3
08 310 10 8 CLR 30.18 58 54 -- -- 58 2 2 300 2 2
09 310 10 8 CLR 30.17 58 54 -- -- 58 2 2 300 2 2
10 310 10 8 CLR 30.17 58 54 -- -- 59 2 2 350 2 2
11 310 12 8 CLR 30.17 57 52 -- -- 60 2 2 340 2 3
12 310 12 8 CLR 30.17 60 56 -- -- 59 2 2 340 2 3
13 310 12 8 CLR 30.17 62 56 -- -- 58 2 2 340 2 3
14 310 12 8 CLR 30.18 59 55 -- -- 58 2 2 340 2 3
15 310 12 8 CLR 30.19 60 56 -- -- 58 2 2 340 2 3
16 300 12 5 SCT 30.21 60 56 3 3000 CI 54 2 3 340 2 3
17 300 12 7 SCT 30.22 59 55 3 3000 CI 52 2 3 340 2 4
18 300 13 8 SCT 30.23 60 55 3 3000 CI 52 2 3 310 3 4
19 310 14 8 SCT 30.26 54 54 6 3000 CI 60 2 3 350 2 4
20 330 14 10 BKN 30.25 58 49 6 3000 CU 59 2 3 340 3 4
21 340 15 10 BKN 30.24 58 60 7 3000 SC 69 2 3 340 3 5
22 340 15 10 BKN 30.23 58 50 7 3000 SC 69 2 3 340 3 5
23 340 15 10 CLR 30.23 57 50 8 3000 SC 59 2 3 340 3 5
SECTION II
SYNOPSIS OBSERVATIONS
FIRST GROUP POSITION OF SHIP WIND WEATHER PRESSURE CLOUDS 3-HOUR PRESSURE TENDENCY AIR-SEA DEW POINT
OF MESSAGE INDICATOR LATITUDE QUARTER LONGITUDE DAY OF MONTH TIME WIND INDICATOR Total Cloud AMOUNT. WIND VISIBILITY WEATHER PRESSURE BAROMETER AIR TEMP. (°C) COURSE SPEED CHARACTER CHANGE INDICATOR DIFF. (°C)
MESSAGE INDICATOR (Degrees and tenths) OF GLOBE (Degrees and tenths) (GMT) INDICATOR (Codet) DIRECTION (Knots) (30-99) PRESENT (00-99) PAST (0-9) CORRECTED (Mb) (°C) (0-9) OF SHIP (0-9) AMOUNT TYPE HEIGHT OF LOW CLOUD TYPE OF CI TYPE OF Cu CHARACTER INDICATOR (Codet) (Degrees and tenths)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
SHIP 99 341 1 1217 7 03 3 35 10 98 02 0 024 19 3 1 6 0 0 1 3 6 02 0 0619
SHIP 99 340 1 1224 07 06 3 6 34 09 98 03 2 023 14 6 2 2 0 0 4 2 1 00 0712
SHIP 99 333 1 1216 7 12 03 031 12 98 00 1 022 14 0 0 7 0 0 4 3 0 08 1212
SHIP 99 320 1 1223 07 18 3 2 30 13 99 01 0 024 16 2 1 5 0 0 6 3 2 03 0913
SEA WATER ICE ACCRETION SEA WAVES SWELL WAVES SEA ICE DO NOT TRANSMIT
TEMPERATURE INDICATOR SOURCE THICKNESS RATE INDICATOR PERIOD HEIGHT DIRECTION PERIOD DIRECTION ORIENTATION DRY BULB WET BULB SEA WATER TEMPERATURE
(Degrees and tenths) TEAR TEMP. (°C) INDICATOR (Knots) Pw Pw Hw Hw dW dW Pw Hw Hn ICE KIND EFFECT BEARING DISTANCE ORIENTATION (Degrees and tenths) (Degrees and tenths) (Degrees and tenths)
1 Tw Tm TW 2 Is Es E5 R5 3 Pw Pw 36 37 38 39 40 41 42 43 44 45 46 47 A1 A2 A3
Celsius Celsius Celsius
1 16 19 2 02 02 05 5 03 ICE C2 K D1 r e
1 11 14 2 02 02 09 5 02 ICE
1 16 14 2 05 01 34 5 01 ICE
1 11 16 2 02 02 34 5 02 ICE
18.9 13.9 16.1
14.4 12.2 11.1
17.6 13.3 15.0
15.6 12.8 11.1
REMARKS EXAMINED USN, NAVIGATOR