Winter Weather

6 Hr Snowfall Forecast (thru 36 hrs)
Day 1-3 24 Hr Snow/Ice Probabilites
Day 1-3 Probabilistic
Snow/Ice Accumulation

Day 2 Snow/Ice Accum Prob

Day 3 Snow/Ice Accum Prob

Forecast Surface Low Positions
 
Excessive Cold

Day 1-3 Temperatures

Day 6-10 Min Temperature Outlook

Day 1-3 Windchills

Day 6-10 Min Windchill Outlook
Excessive Rainfall

Excessive Rainfall Forecasts

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Day 1-3 Probabilistic
Rainfall

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(MMEFS)
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Significant River Flood Outlook

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Last map update: Mon, Dec. 22, 2014 at 8:33:25 am EST
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National Weather Service Philadelphia, PA
Freezing Rain Advisory
Small Craft Advisory
Hazardous Weather Outlook
High pressure over the Canadian Maritimes slowly departs today as low pressure approaches from the south. That low will weaken as it moves north through the area Tuesday and Tuesday night. A more significant storm system affects the area Wednesday through early Christmas Day with a cold front passing through late Wednesday night into Thursday morning. High pressure builds in late Thursday through Friday. A weak trough moves through dry Saturday into Saturday night. Another low approaches from the south Sunday.  See Full Discussion
 
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