OPNAV FORM 3144-1 (9-64) 
0107-714-4100 
DEPARTMENT OF THE NAVY 
uss 
SHIP WEATHER OBSERVATION SHEET 
l<A 
DATE (GMT) 
AT PASSAGE FROM 
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WEATHEF 
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BAROMETER 
(Inches) 
-- 
TEMPERATURE 
(Degrees and tenths) 
CLOUDS 
SEA 
WATER 
TEMP. 
(Degrees 
and 
tenths) 
SEA WAVES 
SWELL WAVES 
Direction 
(T rue) 
Force 
(Knot s) 
Dry 
Bulb 
Wet 
Bulb 
Amount 
(T enths) 
Height 
Type 
- 
Direction 
(True) 
Per iod 
(Seconds) 
He i ght 
(Feet) 
Direction 
(True) 
Period 
(Seconds) 
Height 
(Feet) 
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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. 
(Coded' 
WIND 
Visi¬ 
bil¬ 
ity 
(90-99) 
WEATHER 
PRESSURE 
AIR 
TEMP. 
PC) 
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) 
Long itude 
(Degrees 
a nd 
tenth 5 ) 
Direction 
(True) 
(00-36) 
Speed 
(True) 
(Knots) 
P resent 
(00-99) 
Past 
(0-9) 
Barometer 
Corrected 
(Mb) 
Amount of 
Low Cloud 
_i 
u 
T 
Gs 
Height of 
Low Cloud 
Type of C M 
(0-9) 
1 
0 
T 
&. O' 
7s 
Characteristic 
(0-8) 
Amount of 
Change 
(Mb and tenths) 
Indicator 
Amount 
(E ights) 
Type 
He i ght 
_ 
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 
j M a 
L L L 
OOO 
GG 
N 
dd 
ff 
VV 
ww 
W 
PPP 
TT 
N h 
C L 
h 
C M 
Ch 
D 
S 
V 
s 
a 
PP 
8 
N 
S 
C 
h h 
S S 
SHIP 
00 
8 
SHIP 
06 
8 
SHIP 
12 
8 
SHIP 
18 
— 
8 
— 
— 
DO NOT TRANSMIT 
Dry Bulb 
(Degree s 
and tenths) 
Wet Bulb 
(Degrees 
and tenths) 
Sea Water 
Temp. 
(Degrees 
and tenths 1 
A 1 
a 2 
A 3 
Celsius 
Cels ius 
Celsius 
REMARKS 
EXAMINED 
USN, NAVIGATOR 
