Forecast Models
The following links below will take you the computer forecast models that are looked at and used to make forecasts here at Phillyweather.net. The approximate run times or the source site for each computer model is in parantheses.
Added 12/29/08:
Localized Mid-Atlantic NAM (PSU E-Wall)
East US NAM and GFS (PSU E-Wall)
Added 7/11/09: Run to run comparison of the GFS vs. NAM:
Computer Model Accuracy -- the higher the score the more accurate the computer model
Comparison of GFS and EURO forecasts for 500 mb for Day 5 (120 hours)
Comparison of all 0z (8 PM) computer forecasts at 500 mb for Day 5 (120 hours)
Added 12/29/08:
| GFS 4-Run Comparison | Archived GFS/AVN/MRF | GFS v. EURO 500 mb comparison | 0z GFS verification |
Localized Mid-Atlantic NAM (PSU E-Wall)
| 0z NAM | 6z NAM | 12z NAM | 18z NAM |
East US NAM and GFS (PSU E-Wall)
| 0z NAM | 6z NAM | 12z NAM | 18z NAM |
| 0z GFS | 6z GFS | 12z GFS | 18z GFS |
Added 7/11/09: Run to run comparison of the GFS vs. NAM:
| 0z (Late Evening) | 6z (Early AM) | 12z (Midday) | 18z (Late PM) |
Computer Model Accuracy -- the higher the score the more accurate the computer model
Comparison of GFS and EURO forecasts for 500 mb for Day 5 (120 hours)
Comparison of all 0z (8 PM) computer forecasts at 500 mb for Day 5 (120 hours)





