OPNAV FORM 3144-1 (9-64) 
0107-714-4100 
DEPARTMENT OF THE NAVY 
SHIP WEATHER OBSERVATION SHEET 
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TABLE I 
TIME 
(GMT) 
WINDS 
□ l/IF ESTIMATED 
VISI- 
BIL- 
ITY 
(Miles) 
WEATHER 
(Symbols) 
BAROMETER 
(Inches) 
TEMPERATURE 
(Degrees and tenths) 
CLOUDS 
SEA 
WATER 
TEMP. 
(Degrees 
and 
tenths) 
SEA WAVES 
SWELL WAVES 
Direction 
(True) 
Force 
(K nots) 
Dry 
Bulb 
Wet 
Bulb 
Amount 
(Tenths) 
Hei ght 
Type 
Direction 
(T rue) 
Per iod 
(Seconds) 
He 1 ght 
(Feet) 
Direct ion 
(True) 
Period 
(Second s) 
- 
Height 
(Feet) 
00 
L> 75 
16 
& 
J^lTL 
2 9. 9 1 
JTa 
73 
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3 7* 
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56 
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62 
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TABLE II 
SYNOPTIC OBSERVATIONS 
FIRST GROUP 
OF 
MESSAGE 
Day 
of 
Week 
d-7) 
(GMT) 
POSITION OF SHIP 
TIME 
(GMT) 
T otal 
Cloud 
Amt. 
(Codea) 
WIND 
Visi¬ 
bil¬ 
ity 
(90-99) 
WEATHER 
PRESSURE 
AIR 
TEMP. 
(°C) 
CLOUDS 
Course of Ship (0-9) 
Speed of Ship (0-9) 
3-HOUR 
PRESSURE 
TENDENCY 
SIGNIFICANT CLOUD 
Oc¬ 
tant 
(0-3) 
(5-8) 
Latitude 
(Degrees 
and 
tenths) 
Longitude 
(Degrees 
and 
tenths) 
Direction 
(True) 
(00-36) 
Speed 
(True) 
(Knot s) 
P resent 
(00-99) 
Past 
(0-9) 
B arometer 
Corrected 
(Mb) 
Amount of 
Low Cloud 
_J 
u 
T5 
S. 62 
3s 
Height of 
Low Cloud 
Type of C M 
(0-9) 
X 
u 
‘o 
s. 0 ^ 
2s 
Characteristic 
(0-8) 
Amount of 
Change 
(Mb and tenths) 
Indicator 
Amount 
(Eights) 
Type 
Height 
_ 
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 
Y 
Q 
L L L 
3 « a 
L L L 
OOO 
GG 
N 
dd 
ff 
VV 
ww 
W 
ppp 
TT 
N h 
c L 
h 
C H 
D 
S 
V 
S 
a 
PP 
8 
N 
s 
C 
SHIP 
00 
8 
SHIP 
06 
8 
SHIP 
12 
8 
SHIP 
18 
8 
DO NOT TRANSMIT 
Dry Bulb 
(Degrees 
and tenths) 
Wet Bulb 
(Degrees 
and tenths) 
Sea Water 
Temp. 
(Degrees 
and tenths) 
A 1 
a 2 
A 3 
Celsius 
Celsius 
Celsius 
REMARKS 
EXAMINED 
USN, NAVIGATOR 
