Sunday AM Update:
7:00 AM
Many areas will see a period of wet snow mixed with rain this AM. Some wet snow will mix with, and turn to rain from PHL, South and East this AM. During this afternoon, scattered rain and snow showers, turn to flurries and snow showers. I expect many areas to see a Coating of snow with this activity.
It now appears that accumulations on the higher end of 1" or 2" will not occur, and if they do, these amounts would be isolated and in the far Northern/Western Suburbs of PHL into NW NJ. The coastal storm expected to develop off the NJ coast, will do so this afternoon, but further offshore. This will no longer pose any real threat, for the possible heavier banding of precip, I was forecasting yesterday and was expecting for today.
Some U/L H5 vort energy will be moving through during this afternoon and early evening. This is the only chance for some pockets of moderate/Convective type snow showers to develop. If this occurs some locations could see a quick 1/2" to 1" of accumulation.
So milder temps in the Upper 30's to low 40's this AM, and less precip will allow for more rain and or mixed precip, especially east of PHL. Any accumulations will be light and for the most part near a coating. Once again during this afternoon if the u/l energy works out, some areas could see a Coating to perhaps 1" from this activity.
Ruggie
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My Call
Issued: Saturday 1:00 PM
For The Delaware Valley Region
A cold weekend is on tap, with a chance for some Snow Showers for later Saturday Night, into Sunday morning. Saturday will be dry and cold with Highs in the mid to Upper 30's. Skies will be P.Sunny during the morning, but cloudiness will increase during the afternoon hours as a clipper system and cold front approach from the Midwest.
A period of light Snow is likely Sunday AM, as this cold front sweeps through the area. Once again, another clipper system will pass to our north, and intensify off the New England Coast. This system, as many this winter season, will be a North of NYC into New England event.
A general Coating to 2" of snow can be expected across the entire Delaware Valley. Most areas will see no more than 1", with The Northern and Western Suburbs of PHL, having the best chance at near 2" of accumulation.
Some enhancement of this snow is possible, as the front approaches the coast, and low pressure redevelops, off the NJ coast, then moves to the Northern New England coast Sunday night. It's not out of the question that some areas could see a period of moderate snow for a 1 to 3 hour period. Areas East and NE of PHL, will have the best chance for this to occur. So some areas in NJ will be in the best spot for 2" or so during Sunday AM.
The main problem for areas in NJ, will be at the surface, where temps will be marginal in the mid to upper 30's during Sunday AM. Much of this snow or mixed precip will likely have a hard time sticking. Wet snow falling will likely melt on contact, and prevent much more than a Coating to 2" of snow accumulations.
Some rain will also mix in for areas south and east of PHL, before ending early Sunday afternoon. Skies will remain Mostly Cloudy during the afternoon, with breezy and cold conditions. Highs on Sunday will be near 40.
As we head into early next week, High pressure builds in, and we continue the cold and dry weather. Highs both Monday and Tuesday will be in the 35 to 40 degree range, with lows in the low to mid 20's. Expect partly to mostly sunny skies during the day, with mainly Clear skies at night.
Take Care,
Ruggie
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