30
OBSERVATIONS
Ballic Sea
Air temperature
TA
7 .5 ·C
Sea surface temp.
TW
B.2 ·C
Dew poinl lemp.
DP
5 .2 ·c
Air - SST
DT
- O.B ·C
Air - dewpoint lemp.
DO
2 .5 ·C
Mixing ratio
MX
6 .0 g kg- 1
Mixing ratIo difference
DQ
- 1.2 g kg 1
Tolal cloud cover
CT
5 .0 oktas
Low cloud cover
CL
4 .3 oklas
Precipilion frequency
PF
7 .3 %
Sea level air pressure
PR
1013.7 bPa
Scalar wind speed
FF
7.0 ms- I
Veclor wind speed
vv
1.3 ms-t
54N to 60N
l6E to 22E
Mean wind direction
Dl
231.1 .
20
B
16
·C
16
T
%
oktas
12
~op
6
12
B
~ ,
4
0
V.
8
4
2
4
-4
0
a
JOll reb W .. r 'pr Way IWI JoJ A"" Sop
"' "
Nov o.c Jan
Jon Feb War Apr Way Jun lui AUII Sep "'"
Nov o.c J.n
6
1016
·C
4
/ ' 0 0 , , - - DD --------- DD ------"' 00 _ _
hPa
2
DT "'-----"""' DT
a
1012
DT
-2
~D
T
- 4
-6
1008
Jon f,b W •• Ap. W",,. 'un Jul AUC Sop 0" Nov Dec Jen
Jan Peb .. ..,. Apr Wa, Jun Jul AU, Sep Oct Nov Dec Jon
12
12
360
g kg-I
ms- l
10
0
9
270
8
- I
Dl~FF -
FF
DI
6
DI
FF /
180
8
- 2
3
vv
90
4
MX
.......
- 3
vv ~ -"""'-"""VV
~
VV~
Dl
2
- 4 0
0
J.n Feb ),Iu Apr wo.y Jun Jul AU, .. p
"' "
Nov Dec JM1
Jon Peb War Apr W., Jun Jul AUI Sep
"' "
NCov Dec: J.n