An arctic cold front will continue to plunge southward through the Plains, Mississippi Valley and the Northwest quadrant of the U.S. on Sunday. As a result, widespread frigid and well below normal temperatures are expected along with dangerous wind chills. Meanwhile, heavy rain and flooding are possible for the Gulf Coast states and much of Hawaii. Read More >
Penn State Meteo Department's E-Map Wall
NCEP's Full Operational Suite of Model Data (NAM, GFS, etc.)
Model Soundings via Global Systems Lab (GSL)
Known/Observed NCEP model Biases
NCEP Model Ouput Statistics (MOS): All MOS Text Products
Bob Hart's Banded Precip Diagnostics Page
Great wintertime reference for Conditional Symmetric Instability (CSI) and forecasting the bands of snow often associated with CSI.
Rapid Refresh / CAMs | Short Range Ensembles (SREF) | Medium-Long Range Ensembles |
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NSSL CAMs (Convective Allowing Models) | SPC NCEP SREF Plume Plots | ENSEMBLE SITUATIONAL AWARENESS TABLES |
Hi-Res Ensemble Forecast (HREF) | SPC SREF Maps | CDC/ESRL Map Room - GFS Ensemble Graphics. (plots to 360hrs) |
NCEP Time-Lagged N. America Rapid Refresh Ensemble System (NARRE-TL) |