...EXTREME COLD WARNING NOW IN EFFECT UNTIL 6 AM AKST TUESDAY... ...COLD WEATHER ADVISORY IN EFFECT FROM 6 AM TO 6 PM AKST TUESDAY... * WHAT...For the Extreme Cold Warning, extremely cold temperatures as low as 20 below. For the Cold Weather Advisory, dangerously cold temperatures as low as 15 below expected. * WHERE...City and Borough of Juneau. * WHEN...For the Extreme Cold Warning, until 6 AM AKST Tuesday. For the Cold Weather Advisory, from 6 AM to 6 PM AKST Tuesday. * IMPACTS...Frostbite and hypothermia are likely if exposed to these temperatures. An extended period of freezing temperatures could cause ruptured water pipes. 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. &&