ANNUAL CYCLES AT SELECTED LOCATIONS
28
'C
24
20
16
12
B
4
9
'C
6
3
0
- 3
-6
- 9
2 1
g kg- I
18
15
12
9
6
Gulf Stream
,
, ,
. '
----r------/"- -.
,
,
,
J
,
J
I
I
I
,
,
,
38N to 40N
63W to 61W
~~ r"'- TA TW,
~J
DP "'::---- DP
Jan F.b Ii" Apr Kay Jun Jut AU8 Sap OcL Nov Dec Jan
_DD -
DD _
DD - - - DD _
/
~
0'1'
DT ~
T ~
Jan P"b War Apr May Jun Jul AUQ Sap Oct Nov [)eo Jan
j,DQ
MX
' Q/ ) ' Y"
- - MX
OQ
MX ......
Jon f'tb :W,r Apr M.y Jun JuJ A"'8 Sep Oct Nov [)ec Jan
8
oklas
6
4
2
0
1020
hPa
L016
LOl2
- 3 12
ms- 1
- 4
9
- 5
D
- 6
:3
-7
-8 0
31
Air lemperalure
TA
18.0 'c
Sea surface temp .
TW
21.4 ·c
Dew poinl lemp.
OP
13.8 · C
Air - SST
DT
- 3.4 · C
Air - dewpoint lemp .
DD
4.2 ·c
Mixing rallo
MX
10.7 g kg - 1
Mixing ratio difference
DQ
- 5.9 g kg I
Tolal cloud cover
CT
5.7 oklas
Low cloud cover
CL
4 9 oklas
Precipition frequency
PF
11.3 %
Sea level air pressure
PR
1015.7 hPa
Scalar wind speed
FF
8.9 ms - 1
Vcclor wind speed
VV
2.9 ms - 1
Mean wind direction
Dr
276.4 •
20
%
18
12
8
4
Jan Feb ~ Apr Way .Iun
lui Aug Sep Ckt Hov Dit(! '.n
,./"R~
" J "",
PR
Jan Peb .war Apr Way JUD
lui ,",uC" Sefl' Oct Nov D~ Jan
360
- 01
270
180
90
o
Jan Peb .war Apr Yay .IUD
Jul
AU&: Sep Oc t. Hov Dec 'an