National Weather Service United States Department of Commerce

Winter Storm to Track From the West Coast Across the Upper Midwest & Northeast Through this Weekend

A Pacific storm will bring strong winds, heavy rain, and mountain snow from the Sierras to Rockies on Friday. The storm will then track east through the Midwest producing heavy snow from the Dakotas to the Great Lakes on Saturday. An icy wintry mix is expected across the northern Mid-Atlantic states Saturday night. Heavy snow will likely impact the Northeast Saturday night into Sunday. Read More >

Model Data

Penn State Meteo Department's E-Map Wall

 

 NOAA National Center for Environmental Prediction (NCEP)

 Operational Guidance

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.


Ensemble Forecast Links:

Rapid Refresh / CAMs Short Range Ensembles (SREF) Medium-Long Range Ensembles
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)    

External Medium Range Links:

Enviro Canada: --------------------- (Canadian) Regional Scale (RDPS) Model Ouput (4-Panels)
ECMWF  (European Centre for Medium-Range Weather Forecasts)   ----------------  ECMWF Maps/Charts 

 

All NWS State College Text Statements/Forecasts: