Winter Storm Warning South Central PA North Central Maryland

February 19, 2019

 

 

Winter Storm Warnings cover southeastern Pennsylvania  down into Maryland and northern Virginia including the Washington DC/ Baltimore metro area. The counties surrounding Philadelphia are under a Winter Weather Advisory. The areas under a warning will see snow develop from south to north tomorrow morning reaching Washington DC around 7am and reaching Philadelphia around 11am or so. Snow begins in NYC around 1pm and then spreads east and north during the afternoon.

 

 

 

Here is the final call snow forecast map. I moved a few of the lines around and tightened them up a bit but the theme remains the same. Highest amounts in the 4"+ zone will be in South Central Pennsylvania southward to near Baltimore and just northwest of Washington DC. We are thinking around 3 inches for Philadelphia metro and 2 to 3 inches in and around NYC. Regardless we will change to rain from south to north. Elsewhere it makes it easy when they put the entire area under one advisory and we have exactly that. Winter Weather Advisory is in effect for all of New Jersey, the Hudson Valley, NYC, Long Island and Connecticut. There are no issues tonight or for tomorrow morning for the morning commute. For these areas the issues will be during the afternoon and evening.

 

 

 

 

 

The Nam model above shows the system from 7am Wednesday to 10pm Wednesday. Final snow amounts will depend on the snow holding together as it moves northeastward into a shrinking area of cold air. Eventually from later in the afternoon and evening the snow changes over to sleet and then to rai. Snow changes to sleet and rain during the early afternoon across Southern Pennsylvania and Southern New Jersey. Everyone changes to all rain into Thursday evening and then it ends overnight. Weather conditions improve Friday and with sunshine, highs will be close to 60 degrees in some areas.

 

CLICK FOR ALL NATIONAL WEATHER SERVICE UPDATED SNOW FORECAST MAPS. THEY ARE AVAILABLE ON MY FREE WEATHER APP FOR ALL AREAS FOR ALL MOBILE DEVICES

 

 

 

 

 

 

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