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


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




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 Versus GFS
Day 4
Day 5 WPC Versus GFS
Day 5
Day 6 WPC Versus GFS
Day 6
Day 7 WPC Versus GFS
Day 7
Day 8 WPC Versus GFS
Day 8
Day 4 to 8 WPC Versus GFS
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.