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HPC Day 3-7 500mb Height Forecasts
for the Continental U.S.


The images below represent 500mb height forecasts utilizing the latest operational models and/or GFS ensemble guidance.
HPC Day 3-7 500mb Heights Day 3 to 7 GFS Versus Favored Ensemble Member Day 3-7 HPC Forecast & Ensemble Mean/Spread
HPC Forecast
HPC vs GFS
HPC vs Ensemble Mean
& Spread

To view individual forecast days and day 3-7 loops, please click on the appropriate link below.
HPC 500mb Forecasts
HPC vs GFS
HPC vs Ensemble Mean and Spread
Descriptive information regarding these forecasts can be found in the following text products.
HPC 500mb Graphics Description
Preliminary Extended Forecast Discussion



The following images represent HPC's forecast.
Day 3 500mb Heights
Day 3
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 3 to 7 500mb Heights
Days 3 to 7
Loop of HPC's forecasts from days 3-7.



Comparison between the 00Z GFS (in red) and HPC's forecast.
Day 3 GFS Versus Favored Ensemble Member
Day 3
Day 4 GFS Versus Favored Ensemble Member
Day 4
Day 5 GFS Versus Favored Ensemble Member
Day 5
Day 6 GFS Versus Favored Ensemble Member
Day 6
Day 7 GFS Versus Favored Ensemble Member
Day 7
Day 3 to 7 GFS Versus 
  Favored Ensemble Member
Days 3 to 7
Loop of HPC's forecast versus the 00Z GFS from days 3-7.



Comparison between the 00Z GFS Ensemble Mean (in black) and HPC's forecast. The shaded regions represent the spread (in meters) of the ensemble forecasts.
Day 3 500mb Heights
Day 3
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 3 to 7 500mb Heights
Days 3 to 7
Loop of HPC forecast/Ensemble Mean and Spread for days 3-7.



Questions? Comments? Click here to send mail to the HPC.

Last Modified March 20, 2006