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The Weather Prediction Center
Model Guidance

1.International Desk Forecasting Tools - Access
  Operational forecasting loops developed at the WPC International Desks, to aid with the forecasting of quantitative precipitation, severe convection, surface fronts, and other impactful types of weather.
2.The Gálvez-Davison Index (GDI) - Access
  Thermodynamic index developed in 2014 to improve the forecasting of different types of tropical and subtropical convection.
3.Model Analyses and Forecasts
  The Caribbean and Central America
South America
The Atlantic
4.Daily wind charts for streamline analysis - Access
  GFS-Model wind charts used at the International Desks on a daily basis to perform streamline analysis.
5. Quantitative Precipitation Verification Sites - Access
  International Weather Service websites with daily rainfall observations and analysis for QPF verification.


Caribbean and Central America
       00 UTC          06 UTC          12 UTC          18 UTC    
NAM
00 NAM

September 20


-- 12 NAM
September 20
--
GFS
00 GFS  

September 20


-- 12 GFS
September 20
--
GFS
Ensembles
Probability of
Precipitation
00Z PQPF
September 20
12Z PQPF
September 20
Spaghetti Plots 24-Hour QPF
Observations
  00 UTC 06 UTC 12 UTC 18 UTC
Sfc
West

00 Sfc

August 25


06 Sfc
August 25
12 Sfc
August 25
18 Sfc
August 24
Sfc
East

00 Sfc
August 25



06 Sfc

August 25



12 Sfc

August 25



18 Sfc

August 24



GTS Observed 24 Hr Precipitation (color)
 

 

South America
  00 UTC 06 UTC 12 UTC 18 UTC
GFS 00 GFS
September 20
-- 12 GFS
September 20
--
GFS
Ensembles
00 Ensemble Means
September 20

-- 12 Ensemble Means
September 20
--
Probability of
Precipitation
00Z PQPF
September 20
12Z PQPF
September 20
24-Hour QPF
CMC
Ensembles
00 Ensemble Means
September 20
-- 12 Ensemble Means
September 20
--

GTS Observed 24-hr Precipitation (color)
GTS Observed 24-hr Precipitation (b/w)

 

Atlantic
       00 UTC          06 UTC          12 UTC          18 UTC    
GFS 00 GFS
September 20
-- 12 GFS
September 20
--

 


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Page last modified: Wednesday, 11-Mar-2020 17:53:55 GMT