Other Products:         Surface Low Tracks        Forecast Discussion

WPC Forecasts in GIS Format:

 

 

 

 

 

 

 

Day 4-7 Outlook

Day 4   Day 5   Day 6   Day 7

Specific (deterministic) snow accumulations for locations in the United States can be obtained from the National Weather Service's National Digital Forecast Database.

NCEP monitoring of ongoing or imminent (up to six hours in the future) Hazardous Winter Weather can be found at SPC Mesoscale Discussion Link.

 

The following charts depict the probability of freezing rain reaching or exceeding the specified amount.

 

Preliminary Forecasts

All viewing options are available through the links below.

≥ 0.01 inch Day 1 ≥ 0.01 inch Day 2 ≥ 0.01 inch Day 3

Specific accumulation thresholds for Days 1-3:	All accumulation thresholds for:
≥ 0.01 inch	Day 1
≥ 0.10 inch	Day 2
≥ 0.25 inch	Day 3
≥ 0.50 inch

 

Final Forecasts

The charts below depict the probability of freezing rain reaching or exceeding 0.25 inch for Days 1-3.

≥ 0.25 inch Day 1

≥ 0.25 inch Day 2

≥ 0.25 inch Day 3

 

The following charts depict in a 4-panel format the final forecast of the probabilities of snow reaching or exceeding 4, 8, and 12 inches and the probability of freezing rain reaching or exceeding 0.25 inch.

Day 1

Day 2

Day 3

 

 

The low track charts depict WPC's Day 1-3 forecast of surface low tracks associated with significant winter weather.

Current Surface Low Positions

Forecast Surface Low Positions (with uncertainty circles)

Forecast Surface Low Positions (with ensemble clusters)