Dit keer krijgt onder andere de SAI (Snow advance Index) weer eens aandacht. Verder twee interessante citaten:
While Scandinavian blocking is often the precursor of a significant stratospheric PV disruption, Greenland blocking is the symptom or the tropospheric response to the PV disruption.
As I discussed in the Impacts section, blocking in the North Atlantic is conducive to more pulses of WAFz and disruption of the stratospheric PV. However the placement of the blocking either centered near Scandinavia or Greenland has important implications for the strength of the WAFz pulses and the likelihood of a significant stratospheric PV disruption. I expect the models to struggle with the tropospheric blocking feature, the WAFz and the behavior of the stratospheric PV, making for large uncertainty of the weather beyond.
Bron: AER.com