* WHAT…An extended period of temperatures up to 30 degrees below
normal. Dangerously cold wind chills as low as 35 degrees below
zero.
* WHERE…In Maryland, Extreme Western Allegany and Garrett
Counties. In Virginia, Western Highland County. In West Virginia,
Western Grant, Western Mineral, and Western Pendleton Counties.
* WHEN…Until 7 AM EST Thursday.
* IMPACTS…The dangerously cold wind chills could cause frostbite
on exposed skin in as little as 10 minutes. An extended period of
well below freezing temperatures could cause pipes to rupture.