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Coldest Air In Two Years

(credit: CBS)

(credit: CBS)

(credit: CBS) Justin Drabick
Meteorologist Justin Drabick joined the CBS 3 and The CW Phil...
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By Justin Drabick

After a mild start to the winter season, a blast of true arctic air has invaded the Delaware Valley. The core of the coldest air will move through tonight with lows in the low teens for the city and single digits in the suburbs.

That is only half the battle as gusty winds continue tonight, bringing wind chill values below zero at times in many locations. The record low temperature for Wednesday is -2 degrees, so it could be a lot colder.

There will not be much change on Wednesday, with highs again in the low 20s and wind chill values in the single digits and low teens. Another weak upper-level disturbance will move through Wednesday night, which could bring some snow showers.

The arctic air stays in place on Thursday with highs a few degrees warmer in the mid 20s.

On Friday, two separate disturbances will try to phase together to form a single storm with cold air still in place. Expect clouds to move in Friday morning with the chance for a round of snow Friday afternoon into Friday night. How much snow will depend on where the storm develops and where it tracks. The latest trend on Tuesday is a more southern track with colder temperatures but keeping snow amounts on the light side.

The forecast is very uncertain with lack of consistency in the guidance, as the disturbances are still out over the Pacific and won’t move over land until sometime Wednesday. The storm does look progressive, so the weekend will remain dry with highs on Saturday near 30 and back into the mid 30s on Sunday.

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