Form Approved; Budget Bureau No. 41-R1258.4 
NAME 
□ 
□ 
OF VESSEL 
m" -bS. 
COUNTRY OF REGISTRY 
CALL SIGN 
MONTH 
BAROMETER NO. 
/u if ^ V 19^7 
NAME 
OF CAPTAIN 
WB FORM 615-5 
(8-63) 
U.S. 
m 
DEPARTMENT OF COMMERCE 
WEATHER bureau 
V 
FROM 
SHIP’S WEATHER 
OBSERVATIONS 
O 
Y 
A 
G 
E 
TO 
Check ( / J 
TEMPERATURES (COLS. 16-18, 28-30, 32-33): 
□ •<: 
□ ‘f 
INSTRUCTIONS 
1 . 
2 . 
3. 
Begin a new sheet: 
a. For the first observation of a new month. 
b. At the beginning of each voyage. 
s. Upon sailing from one octant to another, 
d. Upon sailing from one ocean to another. 
Fill in the blanks on each page of the form. (Name of 
vessel, barometer number, etc.) 
Enter the coded synoptic (0000, 0600, 1200, 1800 G.C.T.) 
or special weather observations in columns 1 through 44. 
Code the message in accordance with the "International 
Weather Code for Ships.’’ 
4. At end of each voyage, remove all forms with completed ob¬ 
servations and mail in the postage-free envelopes provided. 
5. Radio transmission— Copy coded data for radio transmission 
from the unshaded numbered groups of columns. Each 
code group consists of five figures with the letter X indicat¬ 
ing missing data. Omit code group 8 and 9 in message if 
no data are available. 
DAY OF 
■J, MONTH 
■J DAY OF 
WEEK 
PC^TION OF SHIP 
TIME 
( Sea rest 
hour 
00-2i) 
(G.C.T.) 
TOTAL 
CLOUD 
AMT. 
( Coded) 
(0-9) 
WIND 
VISI- 
BILITY 
(Coded) 
(90-99) 
WEATHER 
PRESSURE 
AIR 
TEMP. 
( Round¬ 
ed) 
TEMPERA¬ 
TURE 
CLOUDS 
( Coded) 
COURSE OF SHIP 
ro-9; 
SPEED OF SHIP 
ro-9; 
3-HOUR 
PRESSURE 
TENDENCY 
TEMPERATURE 
INDICATOR 
DIFF. 
AIR- 
SEA 
( Coded) 
DEW 
POINT 
( Round¬ 
ed ) 
WAVES (Make 2 entries if 2nd pattern observed) 
REMARKS 
CHECK (/ ) IF SENT 
BY RADIO 
INITIALS 
CORREC 
TION 
DATE 
COMPARED 
SEA/SWELL 
SWELL 
OCT¬ 
ANT 
(O-i. 
LATITUDE 
t Degrees <■ 
LONGI¬ 
TUDE 
ind tenths) 
DI¬ 
REC¬ 
TION 
(True) 
(00-36) 
SPEED 
( 1 rue- 
knots ) 
EST. 
□ 
ME AS 
□ 
PRES¬ 
ENT 
( Coded) 
(00-99) 
PAST 
( Coded) 
(0-9) 
DRY 
BULB 
(De 
and 
WET 
BULB 
grees 
tenths) 
AMOUNT OF 
LOW CLOUD 
TYPE Cl 
(0-9) 
HEIGHT OF 
LOW CLOUD 
type C.m 
(0-9) 
'k‘ ' 
H- ^ 
CHARACTERISTIC 
ro-9j 
AMOUNT OF 
CHANGE 
(mh. and tenths) 
SEA 
WATER 
( Degrees 
DIFF- 
AIR-SEA 
< —If air 
colder 
than sea) 
and tenths) 
DEW 
POINT 
( Whole 
degrees) 
INDICATOR 
1 DIRECTION 
o 
0 
QC 
UJ 
a. 
( Coded) 
I— 
I 
UD 
X 
( Coded ^ 
Indicator 
o 
1 DIRECTION 
u. 
Cn 
o 
0 
QC 
UK 
a. 
( Coded) 
»— 
X 
o 
LU 
X 
( Coded) 
frontal passages, beginning 
and ending of precipita¬ 
tion, coded ice data, waves 
over 30Y 2 ft., etc.) 
BAROME¬ 
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READ 
tin., mh., 
or mm.) 
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