OPNAV FORM 314d-1 (1-68) 
Previous editions obsolete 
S/N-0 107-714-4101 
DEPARTMENT OF THE NAVY 
uss 
SHIP WEATHER OBSERVATION SHEET 
DATE ('GMT) 
//f ( 
AT PASSAGE FROM 
TO 
SECTION I 
TIME 
(GMT) 
WINDS 
□ V IF ESTIMATED 
VISI¬ 
BILITY 
(Miles) 
WEATHER 
(Symbols) 
BAROMETER 
(inches) 
TEMPERATURE 
(Degrees and tenths) 
CLOUDS 
SEA 
WATER 
TEMP. 
(Degrees 
and 
tenths) 
SEA WAVES 
SWELL WAVES 
DIRECTION 
(True) 
FORCE 
(Knots) 
DRY 
BULB 
WET 
BULB 
AMOUNT 
(Tenths) 
HEIGHT 
TYPE 
PERIOD 
(Seconds) 
HEIGHT 
(Feet) 
DIRECTION 
(Tr ue) 
PERIOD 
(Seconds) 
HEIGHT 
(Feet) 
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SECTION II 
SYNOPTIC OBSERVATIONS 
FIRST GROUP 
OF 
MESSAGE 
INDICATOR 
POSITION OF SHIP 
DAY OF MONTH 
TIME 
(GMT) 
WIND INDICATOR 
Total 
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 
INDICATOR 
AIR- 
SEA 
DIFF. 
(Coded) 
DEW 
POINT 
(°C) 
LATITUDE 
(Degrees 
and 
tenths) 
r 
QUARTER 
OF GLOBE 
LONGITUDE 
(Degrees 
and 
tenths) 
DIREC¬ 
TION 
(True) 
(00-36) 
SPEED 
(True) 
(Knots) 
PRES¬ 
ENT 
(00-99) 
PAST 
(0-9) 
BAROMETER 
CORRECTED 
(Mb) 
AMOUNT OF 
LOW CLOUD 
TYPE OF C L 
(0-9) 
HEIGHT OF 
LOW CLOUD 
o 
U. ^ 
O CD 
uj S- 
CL 
> 
h- 
X 
o 
Li- ^ 
O cr> 
LLl O 
CL 
> 
h- 
CHARACTER¬ 
ISTIC (0-8) 
AMOUNT OF 
CHANGE 
(Mb and tenths) 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
cl9 
20 
<f' - " 
21 
22 
23 
24 
25 
26 
27 
28 
99 
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s 
/ 
DRY BULB 
(Degrees 
and tenths) 
WET BULB 
(Degrees 
and tenths) 
SEA WATER 
TEMPERATURE 
(Degrees 
and tenths) 
Ai 
A 2 
A 3. 
Celsius 
Celsius 
Celsius 
77 7 
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ScP 4 
py.y 
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J7.4L 
■* 
INDICATOR 
SEA WATER 
TEMPERATURE 
(Degrees 
and tenths) 
TENTHS VALUE 
AIR TEMP. °C 
ICE ACCRETION 
SEA WAVES 
SWELL WAVES 
SEA ICE 
INDICATOR 
SOURCE 
THICKNESS 
RATE 
INDI¬ 
CA¬ 
TOR 
PERIOD 
HEIGHT 
(Coded) 
DIRECTION 
(True) 
PERIOD 
(Coded) 
HEIGHT 
(Coded) 
INDICATOR 
KIND 
EFFECT 
BEAR¬ 
ING 
DIS¬ 
TANCE 
ORIEN¬ 
TA¬ 
TION 
29 
30 
31 
32 
33 
34 
35 
36 
37 
38 
39 
40 
41 
42 
43 
44 
45 
46 
47 
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ICE 
REMARKS , EXAMINED _ USN, NAVIGATOR 
C-3927 
