SHIP'S NAME 
[ is s t i < i 
MONTH AND YEAR 
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BAROMETER NUMBER 
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FROM: 
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DATE LAST CHECKED 
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CORRECTION 
Form Approved; Budget Bureau No. dl-R.1258 
ESSA FORM 72-1 
( 1 - 68 ) 
U.S. DEPARTMENT OF COMMERCE 
ENVIRONMENTAL SCIENCE SERVICES ADMINISTRATION 
WEATHER BUREAU 
GENERAL INSTRUCTIONS 
(See observing handbook for more details) 
SHIP'S 
WEATHER OBSERVATIONS 
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 
AIR-TEMP. 
DATA °C 
^ « -A \ 
VA C- 
o \ o \ ^ ^ 
3 
\ o \ 
w 1 
VA O 
O- 
—" 3 
\c \ 
-V 
cr 
ft 
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VA 
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to -A \ 
\A \ O \ « O \ O 
C. \ % 
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ft 
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a- ^ \ -A 
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0° 
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: r! \ 
-o \ 
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\ x 
\ -o 
\ 7° 
\ vA 
\ 
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\ ^ 
\ ° 
3-H-IOUR 
P RESS. 
CHANGE 
WAVES (Make as many groups as 
patterns observed) 
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\ t- \ 
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WIND WAVES 
SWELL 
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\ O 
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CHECK ONE \ ? 
[^fBUCKET 
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VA 
ADDITIONAL MESSAGE GROUPS 
AND REMARKS 
k fMore swell groups, 2 l s ^s^s^s» /CE 
C2 KD jre , Wind Shifts, beg inn ing 
and ending of precip., freak 
waves, etc.) 
CHECK 
IF 
SENT 
BY 
RADIO 
OBSER 
VERS 
INITIALS 
1 
2 \ 
3 \ 4 \ 5 \ 6 \ 7 \ 8 \ 9 \ 10 \ 1 1 \ 12 \i 3 \i 4 \ 15 \ 16 \ 17\ 18 \ 
19\ 20 \ 2 l\ 22 \ 
23 \ 
_k 
24\ 25 \ 26\ 27 \ 
28 \ 29 \ 
30 \ 31 \ 32 \ 33 \ 
34 \ 
35 \ 36 \ 
37 \ 38 \ 39 \ 40 
41 
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- 
- 
ESSA FORM 72-1 
REPLACES WB FORM 615-5 WHICH IS OBSOLETE. EXISTING STOCKS SHOULD BE DESTROYED AFTER JANUARY 1. 
7 : iv&v ; 
-. nnnii 
- ■ 
. T*c 
' 
| 
