WRF West Africa Outlook (beta)

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Outlook issued March 10, 2010; averages for Mar 11-16; Ensemble run


WRF, GFS real-time input
Top left: 2m Relative Humidity (%), Relative Humidity line at 40% & Mean Sea Level Pressure (mbars-1000)
Top right: Precipitation rate (mm/day), 925mb u-component at zero denoting the ITF & 925 mb winds
Bottom left: Av. 2m Temp. (C) & 10m winds, line of v-component at zero denoting change between southerly and northerly flow
Bottom right: SST & surface winds
Please note that these forecasts are usually updated every day for the same forecast period. Current period has 6 ensemble members from 00z of GFS 100310











Discussion

Relative Humidity: the 40% line is hugging the west coast of Africa from Mauritania to Senegal due to offshore winds. .
Precipitation and ITF: Precipitation is confined mainly along the coast.
Temperatures: Cooler temperatures due to the boreal winter



Extended Outlook issued ; Ensemble run


WRF, GFS operational input
Top left: 2m Relative Humidity (%) & Mean Sea Level Pressure (mbars-1000)
Top right: Precipitation rate (mm/day)& 925 mb winds using ensemble of 6 runs for 00z, 06z, 12z and 18z GFS forecasts on 100130
Bottom left: Av. 2m Temp. (C) & 10m winds









Daily Forecasts:

Please note that this is NOT AN OFFICIAL FORECAST and its accuracy is not guaranteed. It is for research purposes only. For commercial/private guidance and emergency purposes, please refer to other weather forecasting services.

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