Extreme Cold Watch issued January 17 at 9:06PM EST until January 23 at 10:00AM EST by NWS Pittsburgh PA

* WHAT...
An extended period of temperatures up to 30 degrees below normal. Dangerously cold wind chills as low as 25 below zero possible. Wind chills as low as 30 below zero are possible for higher elevations.

* WHERE...
Portions of east central Ohio, northwest, southwest, and western Pennsylvania, and northern and the northern panhandle of West Virginia.

* WHEN...
From late Sunday night through Thursday morning. The coldest period is most likely from Monday to early Wednesday, with the coldest wind chills during the morning hours Tuesday and Wednesday.

* IMPACTS...
Periods of dangerously cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. An extended period of freezing temperatures could cause ruptured water pipes.

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