WPC's Day 4-8 Alaskan 500mb Height Forecasts
 
 
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View WPC's Day 4-8 Gridded Forecasts

The images below represent 500mb height forecasts utilizing the latest operational models and/or ensemble guidance.

WPC's Day 4-8 500mb Heights for Alaska Day 4-8 WPC Versus GFS 500mb Heights for Alaska Day 4-8 WPC 500mb Forecast & Ensemble Mean/Spread
WPC Forecast
WPC vs GFS
WPC vs Ensemble Mean
& Spread
 
To view individual forecast days and day 4-8 loops, please click on the appropriate link below.
WPC 500mb Forecasts
WPC vs GFS
WPC vs Ensemble Mean and Spread
Information regarding preferred models and forecaster confidence in the preparation of this forecast can be found in the following product:
 
WPC 500mb Graphics Description
 

The following images represent WPC's forecast.

Day 4 500mb Heights
Day 4
 Day 5 500mb Heights
Day 5
 Day 6 500mb Heights
Day 6
Day 7 500mb Heights
Day 7
 Day 8 500mb Heights
Day 8
 Day 4 to 8 500mb Heights
Days 4 to 8
Loop of WPC's forecasts from days 4-8.
 

Comparison between the 00Z or 12Z GFS (in red) and WPC's forecast.

Day 4 WPC and GFS 500mb Height Forecasts
Day 4
 Day 5 WPC and GFS 500mb Height Forecasts
Day 5
 Day 6 WPC and GFS 500mb Height Forecasts
Day 6
Day 7 WPC and GFS 500mb Height Forecasts
Day 7
 Day 8 WPC and GFS 500mb Height Forecasts
Day 8
 Day 4-8 WPC and GFS 500mb Height Forecasts
Days 4 to 8
Loop of WPC's forecast versus the 00Z or 12Z GFS from days 4-8.
 

Comparison between the 00Z or 12Z GFS Ensemble Mean (in black) and WPC's forecast. The shaded regions represent the spread (in meters) of the ensemble forecasts.

Day 4 500mb Heights - WPC Versus GFS Ensemble Mean
Day 4
 Day 5 500mb Heights - WPC Versus GFS Ensemble Mean
Day 5
 Day 6 500mb Heights - WPC Versus GFS Ensemble Mean
Day 6
Day 7 500mb Heights - WPC Versus GFS Ensemble Mean
Day 7
 Day 8 500mb Heights - WPC Versus GFS Ensemble Mean
Day 8
 Day 4 to 8 500mb Heights - WPC Versus GFS Ensemble Mean
Days 4 to 8
Loop of WPC forecast/Ensemble Mean and Spread for days 4-8.

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