Section 7.5: Comparing Observed and GCM Climates
135
Table 7.4: Comparison ofsigniflcant (p = 0.05) correlations between seasonal
mean weather type frequencies and seasonal precipitation representing the
British Isles. The observed column (0) values are based on the objective
typing scheme and instrumental data. The alternate model values (UKHI
and MPI) are based on the relevant model-derived precipitation data.
PRECIPITATION
Winter
Spring
Type
0
UKHI MPI
0
UKHI MPI
A
-.82
-.44
-.55
-.74
-.46
-.48
C
+.69
+.65 +.73
+.58
+.52
W
+.31
+.77
+.58
N
-.38
-.43
E
-.45
-.76
S
NW
+.49
Summer
Autumn
Type
0
UKHI MPI
0
UKHI MPI
A
-.76
-.44
-.41
-.68
-.73
-.74
C
+.78
+.43
+.76
+.73
W
+.80
+.47
+.36
N
-.42
-.62
E
-.43
-.43
-.41
S
+.48
+.47
NW