Notes for global model precipitation forecast evaluation:

For T12Z initial forecast
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

00-24 hrs

24-48 hrs

48-72 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

00-24 hrs
Yes
Yes
Yes
Yes
Yes
Yes
24-48 hrs
Yes
Yes
Yes
Yes
Yes
Yes
48-72 hrs
Yes
Yes
Yes
Yes
Yes
Yes


Click here to go to gif files directory for more maps.

Go Back to Ensemble Home Page

Go Back to EMC Home Page