Form Approved; Budget Bureau No. 41-R1258 SHIP'S NAME SS MV CALL SIGN COUNTRY OF REGISTRY MONTH AND YEAR BAROMETER NUMBER DATE LAST CHECKED ESSA FORM 72-1 (1-68) U.S. DEPARTMENT OF COMMERCE ENVIRONMENTAL SCIENCE SERVICES ADMINISTRATION WEATHER BUREAU SHIP'S WEATHER OBSERVATIONS FROM: TO: CORRECTION GENERAL INSTRUCTIONS (See observing handbook for more details) 1. Fill in all blanks on upper left-hand side of this form. 2. Check appropriate box in column 32. 3. Before entering, convert: a. all temperatures to °C. b. all pressures to millibars. c. if conversion tables not available, enter values as observed, followed by letters or abbreviations for the first entry on each form, ("77.5°F", "29.905 in.", etc.) 4. Begin a new sheet each month, voyage, ocean and quadrant. 5. Transmit data in 5-figure groups from unshaded columns and remarks. See observing handbook, section 1-04 for handling missing data. WIND SEA LEVEL PRESSURE AIR-TEMP. DATA °C HOUR PRESS. CHANGE AMOUNT OF CHANGE CHECK ONE BUCKET INTAKE TEA TEMPERATURE °C WAVES (Make as many groups as patterns observed) Swell ADDITIONAL MESSAGE GROUPS AND REMARKS (More swell groups, 2 ISE E₄R₅, ICE CZKD,ra , Wind Shifts, beginning and ending of precip., freak waves, etc.) CHECK IF SENT BY RADIO OBSERVERS INITIALS WIND INDICATOR (Code) TOTAL CLOUD MTR. DIRECTION (True) tens of degrees 1-9; units 0-9 SPEED (True knots) VISIBILITY (Code: 99-9) PAST WEATHER (Code: 99-97) PRESENT WEATHER (Code: 99-96) AMOUNT OF FORECAST CLOUDS TYPE OF MIDDLE CLOUDS COVER OF HIGH CLOUDS TYPE OF LOW CLOUDS INDICATOR D.W. MONTH FROM TABLE 30 INDICATOR TENTHS OF AN TEMP. WIND WAVES PERIOD HEIGHT (Code) DIRECTION (degrees) PERIOD (Code) HEIGHT (Code) 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 29 30 31 32 33 34 35 36 37 38 39 40 41 LATITUDE (Decimal minutes, 3 figures) LONGITUDE (Degrees and tens of minutes, 3 figures) DAY OF MONTH AT TIME GMT (2 figures) IND. Lₐ Lₐ Lₐ Qc L₀ L₀ L₀ L₀ YY GG iw N dd ff VV ww W - PPP TT - - Nh CL h CM CH Ds vs a pp 0 TsTs TdId 1 TwTwTw t 1 PwPw HwHw dwdw Pw HwHw 99 LaLₐ Lₐ Qc L₀ L₀ L₀ L₀ YY GG iw N dd ff VV ww W - PPP TT - - Nh CL h CM CH Ds vs a pp 0 TsTs TdId 1 TwTwTw t 1 PwPw HwHw dwdw Pw HwHw 99 66.9 5 097.9 23 00 4 7 16 09 99 92 1 10 071 35 6 278 7 3 0 003 3.1 0 // 25 1 27.8 6 3 00 00 75 0 06 99 06.2 5 098.0 23 06 4 2 17 12 98 07 1 10 117 25 6 232 1 3 0 0 1 0 // 23 1 23 6 3 00 00 75 0 05 99 08.5 5 092.0 23 12 4 4 16 12 77 02 1 10 077 26 1 244 4 3 0 0 2 2 // 24 1 22.7 1 3 00 10 76 0 05 99 47 5 097.0 23 18 4 9 16 99 59 1 10 132 26 1 259 7 3 0 0 1 1 // 25 1 22.2 1 3 00 00 76 0 06 99 47 5 098.0 24 00 4 0 05 05 98 02 2 10 225 26 1 297 7 4 2 0 0 3 // 23 1 28.3 1 3 00 00 05 0 05 99 033 5 981 24 06 4 4 10 06 78 02 2 10 125 5 6 239 4 3 0 0 2 1 // 22 1 26.1 3 3 00 00 76 0 05 99 02.8 5 0981 24 12 4 4 07 06 98 02 2 10 028 23 9 228 4 3 0 0 0 1 // 22 1 27.2 9 3 00 00 07 0 05 99 018 5 0981 24 18 4 8 08 99 02 2 10 119 23 9 228 8 1 2 0 2 1 // 22 1 22.8 1 3 00 00 74 0 04 99 012 5 097.0 25 00 4 7 18 06 98 02 4 10 071 28 3 239 9 1 0 1 0 0 6 3.9 // 22 1 26.1 3 3 00 00 18 0 03 99 5 0141 25 06 4 0 16 06 98 05 4 10 112 22 8 222 1 0 1 0 2 1 // 22 1 22.8 8 3 00 00 75 0 06 99 5 0141 25 12 4 0 00 0 16 05 1 10 075 22 2 217 1 0 0 0 2 2 3 0.6 // 21 1 25.0 2 3 00 00 00 0 04 99 00.5 5 098.0 26 18 4 7 00 00 77 03 4 10 0 0 0 // 20 1 22.4 2 3 00 00 74 0 05 99 004 5 0981 26 00 4 7 18 03 97 05 4 10 071 22 9 228 7 6 0 0 0 2 3 0.1 // 23 1 25.0 9 3 00 00 19 0 03 99 00.2 5 936 26 06 4 0 24 06 17 05 4 10 073 22 2 267 1 0 0 0 0 0 4 0.0 99 01.7 0919 26 18 4 8 00 18 97 07 0 05 108 5 6 233 8 0 2 2 1 0 // 24 1 24.9 7 3 00 00 21 0 05 99 Lₐ Lₐ Lₐ Qc L₀ L₀ L₀ L₀ YY GG iw N dd ff VV ww W - PPP TT - - Nh CL h CM CH Ds vs a pp 0 TsTs TdId 1 TwTwTw t 1 PwPw HwHw dwdw Pw HwHw 99 7 0919 26 18 4 8 00 18 97 07 0 05 108 5 6 233 8 0 2 2 1 0 // 24 1 24.0 6 3 00 00 75 0 04 ESSA FORM 72-1 REPLACES WB FORM 615-S WHICH IS OBSOLETE. EXISTING STOCKS SHOULD BE DESTROYED AFTER JANUARY 1, 1984.