SHIP'S NAME M/V La Lucha CALL SIGN KG-LU-U COUNTRY OF REGISTRY Voyage FROM: To: MONTH AND YEAR February 19__ BAROMETER NUMBER DATE LAST CHECKED CORRECTION ESSA FORM 72-1 (1-68) U.S. DEPARTMENT OF COMMERCE ENVIRONMENTAL SCIENCE SERVICES ADMINISTRATION WEATHER BUREAU SHIP'S WEATHER OBSERVATIONS 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. Form Approved; Budget Bureau No. 41-R1258 INDICATOR WAVES (Make as many groups as patterns observed) CHECK IF SENT BY RADIO INDICATOR SEA TEMPERATURE °C HEIGHT (Coded) (1 to 9 seconds, 2 figures) DIRECTION (term of ships) PERIOD (Coded) ADDITIONAL MESSAGE GROUPS AND REMARKS (More swell groups, 2 I₂E₂E₂R₂, ICE C₂KDye., Wind Shifts; beginning and ending of precip.; freak waves, etc.) OBSERVER INITIALS CHECK ONE BUCKET INTAKE WIND WAVES Swell HEIGHT (Coded) 3-HOUR PRESS. CHANGE AMOUNT OF CHANGE AMOUNT OF CHANGE INDICATOR Dew Point From Table 20 AMSE-A TEMP. DIFFERENCE SPEED OF SHIP (Coded 0 - 9) TYPE OF HIGH CLOUD HEIGHT OF HIGH CLOUD TYPE OF MIDDLE CLOUD HEIGHT OF MIDDLE CLOUD TYPE OF LOW CLOUD HEIGHT OF LOW CLOUD DRY BULB. (Wet and bulb, in °C, to 1st decimal.) WET BULB. (0 degrees and tenths) SE LEVEL PRESSURE (millibars and tenths; last 3 figures in Col. 15 and next 2yrs as 10 in Col. 14) PAST WEATHER (Coded 00 - 99) PRESENT WEATHER (Coded 00 - 99) VISIBILITY (Coded 90 - 99) TOTAL CLOUD AMT. WIND INDICATOR (Coded) TIME GMT (2 figures) DAY OF MONTH GMT (2 figures) LONGITUDE (Designated in minutes, last two figures) QUADRANT OF GLOBE LATITUDE (Odd minutes) 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 NO. LaL_aL_a Qc Lo-LoLoLo YY GG iW N dd ff VV ww W - PPP TT - Nh CL h CM CH Ds vs a pp 0 TsTs TdTd 1 TwTwTw ct 3 PwPw HwHw Dwdw Pw HwHw 99 LaL_aL_a Qc Lo-LoLoLo YY GG iW N dd ff VV ww W - PPP TT - Nh CL h CM CH Ds vs a pp 0 TsTs TdTd 1 TwTwTw ct 3 PwPw HwHw Dwdw Pw HwHw 99 LaL_aL_a Qc Lo-LoLoLo YY GG iW N dd ff VV ww W - PPP TT - Nh CL h CM CH Ds vs a pp 0 TsTs TdTd 1 TwTwTw ct 3 PwPw HwHw Dwdw Pw HwHw 99 LaL_aL_a Qc Lo-LoLoLo YY GG iW N dd ff VV ww W - PPP TT - Nh CL h CM CH Ds vs a pp 0 TsTs TdTd 1 TwTwTw ct 3 PwPw HwHw Dwdw Pw HwHw 99 LaL_aL_a Qc Lo-LoLoLo YY GG iW N dd ff VV ww W - PPP TT - Nh CL h CM CH Ds vs a pp 0 TsTs TdTd 1 TwTwTw ct 3 PwPw HwHw Dwdw Pw HwHw 99 LaL_aL_a Qc Lo-LoLoLo YY GG iW N dd ff VV ww W - PPP TT - Nh CL h CM CH Ds vs a pp 0 TsTs TdTd 1 TwTwTw ct 3 PwPw HwHw Dwdw Pw HwHw 99 LaL_aL_a Qc Lo-LoLoLo YY GG iW N dd ff VV ww W - PPP TT - Nh CL h CM CH Ds vs a pp 0 TsTs TdTd 1 TwTwTw ct 3 PwPw HwHw Dwdw Pw HwHw 99 LaL_aL_a Qc Lo-LoLoLo YY GG iW N dd ff VV ww W - PPP TT - Nh CL h CM CH Ds vs a pp 0 TsTs TdTd 1 TwTwTw ct 3 PwPw HwHw Dwdw Pw HwHw 99 LaL_aL_a Qc Lo-LoLoLo YY GG iW N dd ff VV ww W - PPP TT - Nh CL h CM CH Ds vs a pp 0 TsTs TdTd 1 TwTwTw ct 3 PwPw HwHw Dwdw Pw HwHw 99 LaL_aL_a Qc Lo-LoLoLo YY GG iW N dd ff VV ww W - PPP TT - Nh CL h CM CH Ds vs a pp 0 TsTs TdTd 1 TwTwTw ct 3 PwPw HwHw Dwdw Pw HwHw 99 LaL_aL_a Qc Lo-LoLoLo YY GG iW N dd ff VV ww W - PPP TT - Nh CL h CM CH Ds vs a pp 0 TsTs TdTd 1 TwTwTw ct 3 PwPw HwHw Dwdw Pw HwHw 99 LaL_aL_a Qc Lo-LoLoLo YY GG iW N dd ff VV ww W - PPP TT - Nh CL h CM CH Ds vs a pp 0 TsTs TdTd 1 TwTwTw ct 3 PwPw HwHw Dwdw Pw HwHw 99 LaL_aL_a Qc Lo-LoLoLo YY GG iW N dd ff VV ww W - PPP TT - Nh CL h CM CH Ds vs a pp 0 TsTs TdTd 1 TwTwTw ct 3 PwPw HwHw Dwdw Pw HwHw 99 LaL_aL_a Qc Lo-LoLoLo YY GG iW N dd ff VV ww W - PPP TT - Nh CL h CM CH Ds vs a pp 0 TsTs TdTd 1 TwTwTw ct 3 PwPw HwHw Dwdw Pw HwHw 99 LaL_aL_a Qc Lo-LoLoLo YY GG iW N dd ff VV ww W - PPP TT - Nh CL h CM CH Ds vs a pp 0 TsTs TdTd 1 TwTwTw ct 3 PwPw HwHw Dwdw Pw HwHw ESSA FORM 72-1 REPLACES WB FORM 615-S WHICH IS OBSOLETE. EXISTING STOCKS SHOULD BE DESTROYED AFTER JANUARY 1, 1968.