Figures 12-29 show mean daily surface level pressure charts for each of the zonal Grosswetterlagen circulation patterns. Table 4 summarises the important characteristics of each circulation type evident in the mean surface level pressure chart.
Grosswetterlagen | Description | Characteristics |
Na | North Anticyclonic | |
Nz | North Cyclonic | |
HNa | North Iceland High Anticyclonic | |
HNz | North Iceland High Cyclonic | |
HB | British Isles High | |
TrM | Central European Trough | |
NEa | North-East Anticyclonic | |
NEz | North-East Cyclonic | |
HFa | Fennoscandian High Anticyclonic | |
HFz | Fennoscandian High Cyclonic | |
HNFa | Norwegian Sea - Fennoscandian High Anticyclonic | |
HNFz | Norwegian Sea - Fennoscandian High Cyclonic | |
SEa | South-East Anticyclonic | |
SEz | South-East Cyclonic | |
Sa | South Anticyclonic | |
Sz | South Cyclonic | |
TB | British Isles Low | |
TrW | Western European Trough |