Winter Weather Advisory Central South Jersey Southeast South Central PA Super Bowl Sunday

Winter Weather Advisory Central South Jersey

Southeast South Central PA Super Bowl Sunday

storm free

Winter Weather Advisory Central South Jersey

Southeast South Central PA Super Bowl Sunday

Winter Weather Advisories are now up for Central & South Jersey, Southeast and South Central Pennsylvania, Delaware, Maryland and Northeast Virginia. Winter Weather Advisories are also up for Southeaster New England. I suspect that additional advisories will be going up for much of the area in between but they will cut off north and west of the coast.

Snow amounts were  raised a little bit and the the northwest edge of accumulating snow was pulled a little further northwest. This snow is being produced by a stronger upper trough coming in from the west and not by a weak ocean low offshore. Some models are suggesting some ocean moisture may get involved so we will need to watch for that possibility.

My forecast is a compromise of all the models today which were basically all over the place regarding snow amounts and some of them were beefier than others. Upper troughs can be tricky sorts and it would not surprise me if we wind up seeing higher and lower amounts from place to place. This is a general outlook and you could fall closer to the lower or higher end of the ranges indicated.

SATELLITE

storm free

WEATHER RADAR

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Meanwhile we saw record highs today reach into the 60s and we will now start to cool down. The first cold front has passed offshore and a second front will drop southward tonight. Behind that is the very cold air that will start to drain southward later tonight and Sunday morning.

Snow will begin to break out along the arctic boundary during the early morning hours while the surface low offshore has little if any precipitation with it. Notice that the radar is rather blotchy and it will continue to fill in during the morning. Then the question is whether precipitation from the ocean low gets enhanced by the upper trough during Sunday afternoon.

At this stage by 4pm, areas inland north and west of the coast are mostly done with the snow but up and down the coastal plain snow continues into the evening and temperatures continue to fall into the mid to upper 20s. What we don’t know is whether the models are correct in showing this enhancement. Watching radars and observations will be important. If the enhancement does not occur, snow will end everywhere during the afternoon from west to east. This all pulls away Sunday evening and then temperatures head down into the teens which is where we will be Monday morning. Sunshine will be back Monday but it will be very cold with highs just in the 20s. Warmer weather returns later in the week as the pattern changes for the next 10 days at least.

Tuesday after a very cold start in the teens and even single digits in colder spots inland, highs will reach the mid and upper 30s with sunshine. We will be in the 40s Wednesday and 50s to near 60 Thursday as a strong southerly wind develops and heavy rain from a strong cold front and storm system move in later Thursday into early Friday.

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MANY THANKS TO TROPICAL TIDBITS & F5 WEATHER FOR THE USE OF MAPS

Please note that with regards to any severe weather,  tropical storms, or hurricanes, should a storm be threatening, please consult your local National Weather Service office or your local government officials about what action you should be taking to protect life and property.