The charts below show aggregate rainfall forecasts from the GFS and Arpege computer models. The GFS charts are for +5 and +10 days ahead, Arpege for days +1, +2, +3 and +4.
The GFS is a global model run by National Centers for Environmental Prediction (NCEP) in the USA. Arpege is a higher resolution regional model run by Meteo France which should be able to identify smaller scale variations.
GFS updates 4 times each day, 00z, 06z, 12z and 18z.
Arpge is currently updating twice daily on TWO, 00z and 12z.
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