Weather Alerts for Alaska
1. Cold Weather Advisory for: Yukon Flats
2. Extreme Cold Warning for: South Slopes Of The Eastern Brooks Range
3. Extreme Cold Warning for: Western Arctic Coast; Northwest Arctic Coast; Northern Arctic Coast; Central Beaufort Sea Coast; Eastern Beaufort Sea Coast; Western Arctic Plains; Howard Pass and the Delong Mountains; Central Arctic Plains; Central Brooks Range; Romanzof Mountains
4. High Wind Warning for: Central Aleutians
5. High Wind Watch for: Municipality of Skagway
6. Special Weather Statement for: City and Borough of Yakutat; Municipality of Skagway; Haines Borough and Klukwan; Glacier Bay; Eastern Chichagof Island; Cape Fairweather to Lisianski Strait; City and Borough of Sitka; Admiralty Island; City and Borough of Juneau; Petersburg Borough; Western Kupreanof and Kuiu Island; Prince of Wales Island; City and Borough of Wrangell; Ketchikan Gateway Borough; City of Hyder; Annette Island
7. Wind Advisory for: Eastern Aleutians
8. Wind Advisory for: Municipality of Skagway
9. Winter Storm Warning for: Interior Kuskokwim Delta
10. Winter Storm Warning for: Western Capes; Northern Bristol Bay Coast
11. Winter Storm Watch for: Eastern Norton Sound and Nulato Hills; Yukon Delta Coast; Lower Yukon River
12. Winter Storm Watch for: Kuskokwim Delta Coast and Nunivak Island
13. Winter Storm Watch for: Shishmaref; Bering Strait Coast; Southern Seward Peninsula Coast; Interior Seward Peninsula
14. Winter Storm Watch for: St Lawrence Island
15. Winter Weather Advisory for: Central Copper Valley; Southern Copper Valley; Tok Cutoff; McCarthy
16. Winter Weather Advisory for: Pribilof Islands
17. Winter Weather Advisory for: Upper Tanana Valley
Want more detail? Get the Complete 7 Day and Night Detailed Forecast!
Current U.S. National Radar--Current
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National Weather Forecast--Current
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National Weather Forecast for Tomorrow
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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 is Condensation?
Home - Education - Precipitation - Condensation
Next Topic: Contrails
Condensation is the process which creates clouds, and therefore
it is a crucial process in the water cycle.
Condensation is the change of matter from a state of gas into a state of liquid,
and it happens because water molecules release heat into the atmosphere and
become organized into a more closely packed structure, what we might see as
water droplets.
Water is always present in the air around us as a vapor, but it's too small for
us to see. When water undergoes the process of condensation it becomes organized
into visible water droplets. You've probably seen condensation happen before on the
surface of a cold drink!
Next Topic: Contrails
Weather Topic: What are Cumulonimbus Clouds?
Home - Education - Cloud Types - Cumulonimbus Clouds
Next Topic: Cumulus Clouds
The final form taken by a growing cumulus cloud is the
cumulonimbus cloud, which is very tall and dense.
The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although
most commonly they stop growing at an altitude of 6 km.
Even small cumulonimbus clouds appear very large in comparison to other cloud types.
They can signal the approach of stormy weather, such as thunderstorms or blizzards.
Next Topic: Cumulus Clouds
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