KLIWAS 
51 
ERA-40, Jan. 
f 
1 : 
-V 
0 
; 
J i 
i i,- 
Sk 
; 
; ^ 
-U- 
Ml 
V 
0 
S£ r 
1% 
J | 
4 
5 
4.5 
4 
3.5 
3 
2.5 
2 
1.5 
1 
0.5 
0 
Fig. 3.3.9: January standard deviation of wind speed [m/s] in the North Sea area for the period 1971-2000: ERA-40 (left) and the ENSEMBLES regional mod 
els (right)