OPNAV FORM 3144-1 (9-64) 
0107-714-4100 
DEPARTMENT OF THE NAVY 
SHIP WEATHER OBSERVATION SHEET 
uss G i/t L.L / > Y -3 0 ~~' / Q 
AT PASSAGE FROM ^ -1 ' 
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TABLE I 
TIME 
WINDS 
□ / IF ESTIMATED 
-- 
VISI- 
BIL- 
WEATHER 
BAROMETER 
TEMPERATURE 
(Degrees and tenths) 
CLOUDS 
SEA 
WATER 
TEMP. 
SEA WAVES 
SWELL WAVES 
(GMT) 
Direction 
(True) 
Force 
(K nots) 
1 I T 
(Miles) 
(Symbols) 
(Inches) 
Dry 
Bulb 
Wet 
Bulb 
Amount 
(Tenths) 
He i ght 
Type 
(Degrees 
and 
tenths) 
Direction 
(T rue) 
Per iod 
(Seconds) 
Hei ght 
(Feet) 
D irection 
(True) 
P er iod 
(Seconds) 
He ight 
(Feet) 
00 
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TABLE II 
SYNOPTIC OBSERVATIONS 
FIRST GROUP 
OF 
MESSAGE 
Day 
of 
Week 
(1-7) 
(GMT) 
POSITION OF SHIP 
TIME 
(GMT) 
T otal 
Cloud 
Amt. 
(Coded) 
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) 
(Knots) 
P resent 
(00-99) 
Past 
(0-9) 
Barometer 
Corrected 
(Mb) 
Amount of 
Low Cloud 
_J 
u 
X 
S. oT 
Height of 
Low Cloud 
Type of C M 
(0-9) 
X 
u 
T 
oz 
u 
«/> 
t> 
u 
o 
o oo 
uS 
Amount of 
Change 
(Mb and tenths) 
Indicator 
Amount 
(Eights) 
Type 
Height j 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
n 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
— 
27 
Y 
Q 
L L L 
a ° a 
L L L 
o o o 
GG 
N 
dd 
ff 
vv 
ww 
W 
PPP 
TT 
c L 
h 
C M 
c H 
D 
S 
V 
S 
— 
a 
PP 
8 
N 
S 
C 
k „ 
s S | 
SHIP 
00 
8 
SHIP 
06 
— 
8 
SHIP 
12 
8 
SHIP 
18 
8 
DO NOT TRANSMIT 
Dry Bulb 
(Degrees 
and tenths) 
Wet Bulb 
(Degrees 
ond tenths) 
Sea Water 
Temp. 
(Degrees 
and tenths) 
A 1 
a 2 
A 3 
Celsius 
Celsius 
Celsius 
j 
_ 
REMARKS 
EXAMINED 
USN, NAVIGATOR 
