Weather Alerts for Alaska

Recent Locations: Apollo Beach, FL   Franklinton, LA   Tok, AK  

1. Flood Watch for: Kuskokwim Valley West; Kuskokwim Valley East; Interior Kuskokwim Delta; Northern Bristol Bay Coast; Inland Bristol Bay

2. Flood Watch for: South Slopes Of The Central Brooks Range; South Slopes of the Western Brooks Range; Upper Kobuk Valleys

3. Flood Watch for: Southern Seward Peninsula Coast; Interior Seward Peninsula; Eastern Norton Sound and Nulato Hills

4. Flood Watch for: Western Capes

5. Hydrologic Outlook for: Howard Pass and the Delong Mountains; Central Brooks Range; Noatak Valley; Lower Kobuk Valley; Northern Seward Peninsula; Lower Yukon River; Lower Koyukuk Valley; Middle Yukon Valley; Lower Yukon and Innoko Valleys; Upper Koyukuk Valley; Dalton Highway Summits; Central Interior

6. Hydrologic Outlook for: Howard Pass and the Delong Mountains; Central Brooks Range; Noatak Valley; Lower Kobuk Valley; Northern Seward Peninsula; Southern Seward Peninsula Coast; Interior Seward Peninsula; Eastern Norton Sound and Nulato Hills; Lower Yukon River; Lower Koyukuk Valley; Middle Yukon Valley; Lower Yukon and Innoko Valleys; Upper Koyukuk Valley; Dalton Highway Summits; Central Interior

7. Hydrologic Outlook for: Howard Pass and the Delong Mountains; Central Brooks Range; Noatak Valley; Lower Kobuk Valley; Northern Seward Peninsula; Southern Seward Peninsula Coast; Interior Seward Peninsula; Eastern Norton Sound and Nulato Hills; Lower Yukon River; Lower Koyukuk Valley; Middle Yukon Valley; Lower Yukon and Innoko Valleys; Upper Koyukuk Valley; Dalton Highway Summits; Central Interior

8. Hydrologic Outlook for: Howard Pass and the Delong Mountains; Central Brooks Range; South Slopes Of The Central Brooks Range; South Slopes of the Western Brooks Range; Noatak Valley; Lower Kobuk Valley; Northern Seward Peninsula; Upper Kobuk Valleys; Southern Seward Peninsula Coast; Interior Seward Peninsula; Eastern Norton Sound and Nulato Hills; Lower Yukon River; Lower Koyukuk Valley; Middle Yukon Valley; Lower Yukon and Innoko Valleys; Upper Koyukuk Valley; Dalton Highway Summits; Central Interior

9. Hydrologic Outlook for: Kuskokwim Valley West; Kuskokwim Valley East; Interior Kuskokwim Delta; Western Capes; Northern Bristol Bay Coast; Inland Bristol Bay

10. Hydrologic Outlook for: White Mountains and High Terrain South of the Yukon River; Upper Chena River Valley; Tanana Flats; Eielson AFB and Salcha; Goldstream Valley and Nenana Hills; Chatanika River Valley; Two Rivers; Fairbanks Metro Area; Nenana

11. Special Weather Statement for: Bristol Bay Borough (Naknek and King Salmon); Lake Iliamna / Nila Vena / Nanvarpak

12. Special Weather Statement for: Bristol Bay Borough (Naknek and King Salmon); Lake Iliamna / Nila Vena / Nanvarpak

13. Wind Advisory for: Eastern Alaska Range North of Trims Camp

14. Wind Advisory for: Lower Koyukuk Valley; Middle Yukon Valley; Lower Yukon and Innoko Valleys; Upper Kuskokwim Valley

15. Wind Advisory for: Northern Denali Borough

16. Winter Weather Advisory for: Central Beaufort Sea Coast; Central Arctic Plains; Central Brooks Range

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Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

Current U.S. National Radar

National Weather Forecast--Current

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Today's National Weather Map

National Weather Forecast for Tomorrow

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Tomorrows National Weather Map

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.

North American Water Vapor Map

Weather Topic: What are Altostratus Clouds?

Home - Education - Cloud Types - Altostratus Clouds

Altostratus Clouds Next Topic: Cirrocumulus Clouds

Altostratus clouds form at mid to high-level altitudes (between 2 and 7 km) and are created by a warm, stable air mass which causes water vapor to condense as it rise through the atmosphere. Usually altostratus clouds are featureless sheets characterized by a uniform color.

In some cases, wind punching through the cloud formation may give it a waved appearance, called altostratus undulatus. Altostratus clouds are commonly seen with other cloud formations accompanying them.

Next Topic: Cirrocumulus Clouds

Weather Topic: What are Cirrostratus Clouds?

Home - Education - Cloud Types - Cirrostratus Clouds

Cirrostratus Clouds Next Topic: Cirrus Clouds

Cirrostratus clouds are high, thin clouds that form above 20,000 feet and are made mostly of ice crystals. They sometimes look like giant feathers, horse tails, or curls of hair in the sky. These clouds are pushed by the jet stream and can move at high speeds reaching 100 mph.

What do they indicate?
They indicate that a precipitation is likely within 24 hours.

Next Topic: Cirrus Clouds

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