* WHAT…Dangerously cold wind chills as low as 20 below.
* WHERE…Cambria and Somerset 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 are possible if precautions are not
taken.