West storm moving east south of Iceland, and a case where forecasts and observations seem contradictory


Björn Einarsson analyzes a storm moving south-east of Iceland. 

Length: 30 min

Author: Björn Einarsson


Case 1. Between April 2. and April 4. 2018, gale to storm force winds from the west propagated from Cape Farewell, the southernmost point of Greenland over 1000 nautical miles across the Atlantic towards and past the Faroes Islands with high waves. This type of eastward wind/wave field propagation south of Iceland happens few times a year with varying intensity. Case 2. A showcase of the westerly Greenland tip jet creating large waves – but looking at the forecasted winds and waves versus observations, they seem contradictory, making the forecaster think twice.


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