...EXTREME COLD WARNING REMAINS IN EFFECT UNTIL NOON AKST TUESDAY... * WHAT...Extremely cold wind chill temperatures as low as 20 below. * WHERE...Glacier Bay, Eastern Chichagof Island and Admiralty Island. * WHEN...Until noon AKST Tuesday. * IMPACTS...Frostbite and hypothermia are likely if exposed to these temperatures. An extended period of freezing temperatures could cause ruptured water pipes. * ADDITIONAL DETAILS...The coldest windchill temperatures will be farther inland away from maritime influence. PRECAUTIONARY/PREPAREDNESS ACTIONS... Wear protective clothing such as a hat, facemask and heavy gloves or mittens if you have plans to be outdoors. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in- ground sprinkler systems should drain them and cover above-ground pipes to protect them from freezing. &&