Before we get into the details about Tuesday Evening into Wednesday, a disturbance is still projected to move through the state Tonight and into Tomorrow Morning bringing with it a mix of rain and snow. Our call from last night still stands with this system. If you missed our call, click here>>>https://paweatheraction.com/light-snow-sunday-night-wintry-mix-arrives-mid-week
As for the bigger storm potential, we are tracking a Winter Storm set to begin Tuesday Evening and lasting through Wednesday Morning. A low pressure system will develop in the South and track its way Northward before transferring its energy into a coastal low. Over the last 36-48 hours, guidance has been steadily trending colder and colder for this system. While this still won’t be an all snow event for most of us, this will lead to a longer duration of snow versus rain for many locations.
For a visual on this, below is the Canadian Model valid 7 PM Tuesday Evening.
The further North you are in PA and the higher your elevation is will increase your chances of receiving accumulating snowfall. Many low elevated valleys will receive a slushy mix or just a cold rain.
It is projected as this storm wraps up and the precipitation weakens, most locations end in the form of light rain.
Timing: Tuesday Evening into Wednesday Morning
MAP FORECAST FOR WINTER STORM TUESDAY INTO WEDNESDAY
Area A: 4 to 6 inches of heavy wet snow is possible, ending as a brief period of drizzle. Isolated power outages would be possible in these areas as the snow would weigh on power lines and tree limbs.
Area B: 2 to 4 inches of wet snow is possible, ending as a period of light rain.
Area C: 1 to 2 inches of wet snow is possible before changing to a period of rain.
Area D: Up to 1 inch of wet snow is possible before changing to rain.
Area E: Up to a coating of wet snow is possible before changing to rain.
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