OPNAV FORM 3144-1 (9-64) 0107-714-4100 DEPARTMENT OF THE NAVY SHIP WEATHER OBSERVATION SHEET USS REXBURG (PCER-551) AT/PASSAGE-FROM LOCAL OP AREAS DATE (GMT) SATURDAY 16 DECEMBER 1967 TABLE I TIME (GMT) WINDS \square V IF ESTIMATED VISIBIL- ITY (Miles) WEATHER SYMBOLS BAROMETER (Inches and tenths) TEMPERATURE (Degrees and tenths) CLOUDS SEA WATER TEMP. (Degrees and tenths) SEA WAVES SWELL WAVES Direction True Force (Knots) Dry Bulb Wet Bulb Amount Tents Height Type Direction True Period (Seconds) Height (Feet) Direction True Period (Seconds) Height (Feet) 16 00 345 18 10 SCT 29.87 55.8 49.8 1 4000 SC 60.0 320 4 2 330 7 3 01 340 18 10 SCT 29.86 55.2 49.2 3 4000 SC 60.0 315 4 2 320 7 3 02 340 18 10 SCT 29.90 54.0 44.0 4 4000 SC 61.0 315 4 2 325 7 3 03 345 18 10 SCT 29.90 54.0 49.0 5 4000 SC 62.0 315 4 2 325 7 3 04 320 14 10 BKN 29.94 54.2 49.2 8 4000 SC 59.0 310 4 2 330 7 3 05 325 20 10 BKN 29.95 54.8 50.6 9 4000 SC 58.0 290 4 1 315 7 3 06 325 16 10 BKN 29.98 55.0 50.2 9 3600 SC 58.0 290 3 1 320 7 3 07 320 16 10 BKN 29.98 55.0 50.6 9 4000 SC 63.0 310 4 2 340 7 4 08 340 18 10 OVC 29.94 56.4 51.4 10 4000 SC 60.0 310 4 2 330 8 4 09 340 18 10 OVC 29.94 56.0 51.8 10 4000 SC 62.0 320 4 2 330 8 4 10 340 18 10 OVC 29.94 56.0 52.0 9 4000 SC 62.0 320 4 2 340 7 4 11 300 15 10 OVC 29.98 55.4 51.4 9 4000 SC 63.0 350 6 4 12 325 18 10 BKN 29.93 53.8 52.0 9 4000 SC 62.0 340 6 4 13 345 22 10 BKN 29.93 56.0 52.0 9 4000 SC 62.0 330 4 1 350 6 4 14 345 22 10 OVC 29.94 56.0 52.0 10 4007 ST 60.0 330 4 1 340 6 4 15 345 27 10 BKN 29.92 53.8 51.2 9 4000 ST 60.0 330 4 1 340 6 4 16 330 24 10 BKN 29.92 56.5 51.0 7 4000 SC 60.0 320 4 1 335 7 4 17 330 23 10 BKN 29.93 56.2 51.6 6 4000 CU 59.0 325 4 2 340 8 5 18 335 20 10 BKN 29.94 57.0 52.2 6 4000 CU 59.0 300 4 2 350 8 5 19 340 28 10 BKN 29.94 57.0 52.2 8 4000 SC 59.0 340 4 2 330 7 5 20 320 25 10 OVC 29.96 57.2 52.2 9 4000 SC 54.0 350 5 2 330 7 5 21 330 29 10 BKN 29.88 57.0 52.2 8 4000 SC 60.0 350 5 2 330 7 5 22 340 30 10 OVC 29.86 56.2 52.2 10 4000 SE 60.0 350 5 2 330 7 5 23 350 28 10 OVC 29.84 55.0 51.4 10 4000 SC 59.0 350 6 2 330 8 6 TABLE II SYNOPTIC OBSERVATIONS FIRST GROUP OF MESSAGE Day of Week (1-7) (GMT) POSITION OF SHIP Total Cloud Amt. (Coded) WIND Visibil- ity (90-99) WEATHER PRESSURE CLOUDS AIR TEMP. (°C) 2-HOUR PRESSURE TENDENCY SIGNIFICANT CLOUD Oct.-ber (0-3) Latitute (Degrees and tenths) Longitude (Degrees and tenths) TIME (GMT) Direction True (00-36) Speed True (Knots) Present (00-99) Post (0-9) Barometer Corrected (Mb) Amount of Cloud Cover Type of C1 Height of C1 Type of C2 Type of C3 Clear of Ship (0-9) Speed of Ship (0-9) Amount of Change in Characteristics Indicator Amount (Meters/Minutes) Indicator Height L6 L7 L8 GG N dd ff VV ww W ppp TT Nk Ch CM CH D4 Va pp 8 Nk C h1 h2 SHIP 7 1 350 256 00 1 35 18 98 02 0 115 13 1 5 600 647 03 8 1 640 SHIP 7 1 306 265 06 1 33 18 98 02 2 152 13 1 5 600 447 22 8 7 640 SHIP 7 1 343 265 12 7 33 18 98 02 2 135 15 1 5 600 247 03 8 7 640 SHIP 7 1 340 243 18 5 34 26 98 02 2 139 11 5 2 600 242 07 8 5 840 AIR-SEA DIF F (Coded) SEA WAVES SWELL WAVES ICE ACCRETION SEA ICE DO NOT TRANSMIT Indicator Dew Point (°C) Indicator Direction (Coded) Period (Coded) Height (Coded) Indicator Direction (Coded) Period (Coded) Height (Coded) Indicator Source Thickness Rate Indicator Kind Effect Bearing Distance Orientation Dry Bulb Wet Bulb Sea Water Temp. (Celsius) (Celsius) (Celsius) 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 A1 A2 A3 0 Td Ta Td Ta Id dw Pw Hw I de Ee Es Re ICE C2 K Di r e Celsius Celsius Celsius 0 55 07 1 32 21 1 2 ICE 0 53 08 1 24 21 1 32 32 2 ICE 0 57 09 1 34 32 2 ICE 0 52 09 1 35 43 2 ICE REMARKS COPY EXAMINED J. McFarland USN, NAVIGATOR L756 CONFIDENTIAL