Hoe bedoel je? Zo te smal?(is gfs trouwens waar deze tekst
Bericht van: Wim (Oudewater) , 23-01-2014 23:56
op gebaseerd is) Zou best kunnen denk ik. Maar indien breder neemt de foutmarge ook toe. Niet dat dat veel zou uitmaken als dat het geval is, zie afgelopen weken 
The model is a spectral model with an approximate horizontal resolution of 27km for the first 8 days and 35km from 192 to 384 hours (16 days). In the vertical, the model is divided into 64 layers and temporally, it produces forecast output every hour for the first 24 hours, every 3rd hour out to 8 days, after that they are produced for every 12th hour. In 2014 an upgrade to the system is planned to increase the resolution to about 13km out to 10 days. The output from the GFS is also used to produce model output statistics, in three ranges: every hour for 24 hours, every three hours out to three days, and every 12 hours out to eight days.
In addition to the main model, the GFS is also the basis of a lower resolution 20-member (22, counting the control and operational members) ensemble that runs concurrent with the operational GFS and is available on the same time scales. This ensemble is referred to as a "Global Ensemble Forecast System" (GEFS). Ensemble model output statistics are also available out to 16 days. The GFS ensemble is combined with the GEM ensemble to form the North American Ensemble Forecast System.
The model is a spectral model with an approximate horizontal resolution of 27km for the first 8 days and 35km from 192 to 384 hours (16 days). In the vertical, the model is divided into 64 layers and temporally, it produces forecast output every hour for the first 24 hours, every 3rd hour out to 8 days, after that they are produced for every 12th hour. In 2014 an upgrade to the system is planned to increase the resolution to about 13km out to 10 days. The output from the GFS is also used to produce model output statistics, in three ranges: every hour for 24 hours, every three hours out to three days, and every 12 hours out to eight days.In addition to the main model, the GFS is also the basis of a lower resolution 20-member (22, counting the control and operational members) ensemble that runs concurrent with the operational GFS and is available on the same time scales. This ensemble is referred to as a "Global Ensemble Forecast System" (GEFS). Ensemble model output statistics are also available out to 16 days. The GFS ensemble is combined with the GEM ensemble to form the North American Ensemble Forecast System.
Bericht laatst bijgewerkt: 24-01-2014 00:06
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