Notes for global model precipitation forecast evaluation:

GFS ---> NCEP global forecast system (1X1 degree)
PRX ---> NCEP GFS parallel system (1X1 degree)
24 hours gage observation reports: 7000-8000
Total verified boxs: 1100 at 80X80 km over Northern American

Please refer to this page for calcula tions

24 hours accumulated precipitation (mm)

DATE|FCST

12-36 hrs

36-60 hrs

60-84 hrs

Current
Yes
Yes
Yes

Precipitation forecasts (time series)

Time|THRESHOLD

0.2 mm/24h

2.0 mm/24h

5.0 mm/24h

10. mm/24h

15. mm/24h

25. mm/24h

12-36 hrs
Yes
Yes
Yes
Yes
Yes
Yes
36-60 hrs
Yes
Yes
Yes
Yes
Yes
Yes
60-84 hrs
Yes
Yes
Yes
Yes
Yes
Yes


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