* WHAT…Very cold wind chills approaching 30 below zero expected.
* WHERE…Portions of north central Nebraska into the northern
panhandle.
* WHEN…Until noon CST /11 AM MST/ Tuesday.
* IMPACTS…The dangerously cold wind chill values could cause
frostbite on exposed skin in as little as 10 minutes. Very cold
temperatures and low wind chill values can lead to hypothermia
with prolonged exposure.