Cold Weather Advisory issued January 21 at 4:37PM EST until January 22 at 12:00PM EST by NWS State College PA

* WHAT…Very cold wind chills as low as 20 below.

* WHERE…Cameron, Elk, McKean, Northern Clinton, Northern Lycoming,
Potter, Sullivan, Tioga, and Warren Counties.

* WHEN…Until noon EST Wednesday.

* IMPACTS…The dangerously cold wind chills as low as 20 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.