OPNAV FORM 31*4-1 (9-64) 
0107-714-4100 
DEPARTMENT OF THE NAVY 
SHIP WEATHER OBSERVATION SHEET 
uss (U ■ii'i \f iU L r _£ 14 4 li. _ 
DATE :GMT ,/ jj /J J. ? / J 
19 
M*mPASSAGE -ROM 
TO _ 
TABLE I 
./v- '• t \ l _ or i -y * 
time 
winds 
t IF ESTIMATED 
VISI- 
BlL- 
ITY 
(Miles 1 
- 
WEATHER 
'Symbols) 
- 
BAROMETER 
(Inches) 
TEMPERATURE 
1 Degrees and lenfhs 
CLOUDS 
SEA 
water 
TEMP. 
(Degrees 
and 
tenths) 
—i 
SEA WAVES 
SWELL WAVE 
s 
Force 
IKnots) 
Dry 
Bulb 
Wet 
Bulb 
Amount 
' Ten»hs) 
Megbt 
Type 
Direction 
(True) 
Period 
(Seconds 1 
H^t ijK« 
(Peer) 
Direction 
(True) 
Vu^ 1 I n 
LJ reckon 
(True) 
T*r on 
ISeconds) 
Height 
(Feet 
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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. 
(Ceded) 
WIND 
Visi¬ 
bil¬ 
ity 
(90-99) 
WEATHER 
PRESSURE 
AIR 
TEMP. 
(°C) 
CLOUDS 
Course of Ship (0-9) 
Speed of Ship (0-9) 
3- 
PRE 
TEN 
HOUR 
iSSURE 
DENCY 
SIGNIFICANT CLOUD 
Oc¬ 
tant 
(0-3) 
(5-8) 
Latitude 
1 Degrees 
and 
tenrhs) 
Longitude 
^Degrees 
and 
tenths) 
Direction 
(True) 
(00-36) 
Speed 
(True) 
(Knots) 
Present 
(00-99) 
Past 
(0-9) 
Barometer 
Corrected 
(Mb) 
Amount of 
Low C loud 
_j 
u 
~o 
JL 
Height of 
Low Cloud 
u 
*o 
<D 
a <r 
ds 
X 
u 
"5 
Si. i> 
h2 
U 
i 
u 
D 
5 co 
OS 
Amount of 
Change 
(Mb and tenths) 
Indicator 
Amount 
(Eights) 
V 
Cl 
>W 
K 
. 
He i g b t 
_ 
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 
77 
Y 
Q 
L L„ L 
j ~ a 
L D L o L o 
GG 
N 
dd 
If 
VV 
ww 
W 
PPP 
TT 
Nh 
C L 
h 
c M 
*“H 
D 
S 
V 
s- 
a 
PP 
8 
N s 
c 
h s h s 
SHIP 
00 
8 
SHIP 
06 
8 
SHIP 
12 
8 
SHIP 
18 
L 
8 
— 1 
-- 
_ 
_ 
J 
1 
Indicator 
AIR- 
SEA 
DIFF 
(Coded) 
DEW 
POINT 
(°a 
SEA WAVES 
SWELL WAVES 
ICE ACCRETION 
SEA ICE 
00 NOT TRANSMIT 
Indicator 
Direction 
(Coded) 
Period 
(Coded) 
-5.1 
1 & 
Indicalor 
Direction 
(Coded) 
si 
£a 
Height 
(Coded) 
Indicator 
Source 
i/t 
wv 
<J 
c 
-W 
u 
h- 
€7 
•w 
a 
OH 
Indicator 
^3 
c 
2 
J 
LU 
Bearing 
V 
K> 
c 
o 
* 
o 
Oriental ion 
Dry Bulb 
(Degrees 
and tenths) 
Wet Bulb 
(Degrees 
and tenlhsl 
Seo Water 
T emp. 
(Degrees 
and *enrhs 
28 
29 
30 
31 
32 
33 
34 
35 
36 
37 
38 
39 
40 
41 
42 
43 
44 
45 
46 
47 
48 
A 1 
A 2 
A 3 ^ 
0 
T T 
Tu T . 
1 
d d 
P 
H 
1 
d d 
P 
H 
2 
1 
E, E. 
R 
ICE 
C 5 
K 
D 
r 
e 
Celsius 
Celsius 
Celsius 
S S 
d d 
W W 
W 
w 
v* * 
W 
W 
S 
S 4 
f 
z 
1 
0 
1 
1 
2 
ICE 
- 
0 
1 
1 
2 
ICE 
0 
1 
1 
2 
ICE 
0 
1 
1 
2 
ICE 
J 
REMARKS _ 
EXAMINED 
U5N, NAVIGATOR 
