Weather Alerts for Alaska
1. Cold Weather Advisory for: Haines Borough and Klukwan
2. Cold Weather Advisory for: Municipality of Skagway
3. Cold Weather Advisory for: Northern Copper Valley; Central Copper Valley; Tok Cutoff; McCarthy
4. Cold Weather Advisory for: Southern Kenai Mtns; West Prince William Sound & Whittier; Valdez
5. Cold Weather Advisory for: Thompson Pass
6. Winter Storm Warning for: Admiralty Island
7. Winter Storm Warning for: Glacier Bay; Eastern Chichagof Island; Cape Fairweather to Lisianski Strait; City and Borough of Juneau
8. Winter Weather Advisory for: City and Borough of Yakutat
9. Winter Weather Advisory for: Eastern Beaufort Sea Coast
10. Winter Weather Advisory for: Petersburg Borough; Western Kupreanof and Kuiu Island
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Current U.S. National Radar--Current
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National Weather Forecast--Current
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National Weather Forecast for Tomorrow
Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.
North America Water Vapor (Moisture)
This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.
Weather Topic: What are Cumulus Clouds?
Home - Education - Cloud Types - Cumulus Clouds
Next Topic: Drizzle
Cumulus clouds are fluffy and textured with rounded tops, and
may have flat bottoms. The border of a cumulus cloud
is clearly defined, and can have the appearance of cotton or cauliflower.
Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall,
becoming cumulus congestus and possibly the even taller cumulonimbus clouds.
When cumulus clouds become taller, they have a greater chance of producing precipitation.
Next Topic: Drizzle
Weather Topic: What is Evaporation?
Home - Education - Precipitation - Evaporation
Next Topic: Fog
Evaporation is the process which returns water from the earth
back to the atmosphere, and is another crucial process in the water cycle.
Evaporation is the transformation of liquid into gas, and it happens because
molecules are excited by the application of energy and turn into vapor.
In order for water to evaporate it has to be on the surface of a body of water.
Next Topic: Fog
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