...EXTREME COLD WARNING REMAINS IN EFFECT UNTIL NOON AKST MONDAY... * WHAT...Extremely cold wind chill as low as 30 below expected. * WHERE...Haines Borough and Klukwan. * WHEN...Until noon AKST Monday. * IMPACTS...Frostbite and hypothermia are likely if exposed to these temperatures. An extended period of freezing temperatures could cause ruptured water pipes. * ADDITIONAL DETAILS...Coldest values expected late Sunday night through early next week. The coldest windchill temperatures will be farther inland away from maritime influence, and along the highway. 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. &&