Temporal Characteristics of Heat Waves and Cold Spells and Their Links to Atmospheric Circulation in EURO-CORDEX RCMs
Table 4
Correlation coefficients between seasonal numbers of days within given circulation supertypes and seasonal numbers of days in HWs/CSPs for observed data and individual RCM simulations.
HWs (JJA)
CSPs (DJF)
Anticyclonic
Cyclonic
Southerly
Westerly
Northerly
Easterly
Anticyclonic
Cyclonic
Southerly
Westerly
Northerly
Easterly
E-OBS_44
−0.35
0.27
−0.35
0.40
E-OBS_22
−0.35
0.27
−0.36
0.41
Ensemble mean
−0.402
0.616
Ensemble median
−0.300
−0.400
0.600
CCLM4_C_11
0.35
−0.42
−0.25
−0.51
0.80
CCLM4_E_11
−0.34
−0.26
−0.46
0.60
CCLM4_H_11
0.34
0.44
−0.31
0.44
CCLM4_M_11
−0.40
0.73
−0.42
0.71
ALADIN53_C_11
−0.52
0.36
−0.42
0.55
ALADIN53_I_11
−0.58
0.65
−0.40
0.61
RACMO22E_I_11
0.52
−0.38
0.52
−0.34
−0.35
0.59
RACMO22E_E_11
0.38
−0.20
0.20
−0.33
0.58
RACMO22E_H_11
0.44
−0.31
0.62
RCA4_C_11
−0.31
−0.44
−0.54
0.71
RCA4_I_11
0.65
−0.63
−0.30
−0.50
−0.43
0.67
RCA4_E_11
0.67
−0.47
0.77
RCA4_H_11
−0.34
−0.38
0.49
RCA4_M_11
−0.49
0.82
RCA4_C_44
0.56
−0.64
RCA4_I_44
−0.73
−0.35
0.47
0.55
−0.37
0.51
RCA4_E_44
0.42
−0.45
0.56
−0.28
−0.31
0.63
−0.49
0.80
RCA4_H_44
−0.39
0.52
RCA4_M_44
−0.29
0.33
0.59
Values are only given if the value of the linear model is smaller than 0.1; ∗, ∗∗ indicates that p value is smaller than 0.05 (0.001).