SNOWFALL PROBABILITY CHARTS
The following charts depict the probability of snowfall reaching or exceeding 4, 8 and 12 inches. Click on a thumbnail to enlarge.
| ≥ 4 inches |
≥ 8 inches |
≥ 12 inches |
Day 1 |
Day 1 |
Day 1 |
Day 2 |
Day 2 |
Day 2 |
Day 3 |
Day 3 |
Day 3 |
Specific (deterministic) snow accumulations for a particular location in the United States can be obtained from the National Weather Service home page. Note, at this site you will have to click the GRAPHICAL FORECAST tab prior to clicking a location on the map.
NCEP monitoring of ongoing or imminent (up to six hours in the future) Hazardous Winter Weather can be found at SPC Mesoscale Discussion Link
FREEZING RAIN PROBABILITY CHARTS
The following charts depict the probability of freezing rain reaching or exceeding .25 inch. Click on a thumbnail to enlarge.
COMPOSITE CHARTS
The following charts depict in a 4-panel format the probabilities of snow reaching or exceeding 4, 8, and 12 inches and the probability of freezing rain reaching or exceeding .25 inch. Click on a thumbnail to enlarge.
DAY 1-3 SURFACE LOW TRACKS
The low track charts depict HPC's Day 1-3 forecast of surface low tracks associated with significant winter weather. Click on the thumbnail to enlarge.
Current Surface Low Positions |
Forecast Surface Low Positions
(with uncertainty circles) |
Forecast Surface Low Positions
(with ensemble clusters) |
Heavy Snow/Icing Discussion | Winter Weather Product Information
NWS's Winter Weather Safety and Awareness home page
Wind Chill Chart
Recent Snowfall and SnowDepth Maps from the National Climatic Data Center
Winter Weather Terms |
