Correlation Coefficient

Climatic indices

Anomaly in surface air temperature over central Europe in the duration time of heat waves over central Europe

Case (1)

Case (2)

Case (3)

Case (4)

NAO

−0.42869

−0.0405

0.702005**

0.802216**

SOI

0.21756

0.40849

0.623633*

0.202728

EL-NINO 3.4

−0.26534

−0.00645

0.320737

−0.85319**