Weather Alerts for Alaska

Recent Locations: Ceredo, WV Perry, FL Mekoryuk, AK

1. Cold Weather Advisory for: Kuskokwim Valley West; Kuskokwim Valley East; Lime Village

2. Cold Weather Advisory for: North Slopes of the Western Alaska Range

3. Cold Weather Advisory for: Southern Denali Borough; Eastern Alaska Range South of Trims Camp

4. Cold Weather Advisory for: Southern Kenai Mtns

5. Cold Weather Advisory for: Sutton / Upper Matanuska Valley; Eureka / Tahneta Pass; West Prince William Sound & Whittier; Northern Copper Valley; Western Copper Valley; Central Copper Valley; Ernestine; Northern Susitna Valley; Southern Copper Valley; Tok Cutoff; McCarthy

6. Cold Weather Advisory for: Upper Tanana Valley

7. High Wind Warning for: Kodiak Island Northeast

8. High Wind Warning for: Southern Kenai Mtns

9. High Wind Warning for: Thompson Pass

10. Special Weather Statement for: Central Aleutians

11. Wind Advisory for: Valdez

12. Winter Weather Advisory for: Cape Fairweather to Lisianski Strait

13. Winter Weather Advisory for: City and Borough of Juneau

14. Winter Weather Advisory for: City and Borough of Sitka; Prince of Wales Island

15. Winter Weather Advisory for: Municipality of Skagway

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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).

National Weather Forecast--Current

The Current National Weather Forecast and National Weather Map are shown below.

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 Fractus Clouds?

Home - Education - Cloud Types - Fractus Clouds

Fractus Clouds Next Topic: Freezing Rain

A fractus cloud (scud) is a fragmented, tattered cloud which has likely been sheared off of another cloud. They are accessory clouds, meaning they develop from parent clouds, and are named in a way which describes the original cloud which contained them.

Fractus clouds which have originated from cumulus clouds are referred to as cumulus fractus, while fractus clouds which have originated from stratus clouds are referred to as stratus fractus. Under certain conditions a fractus cloud might merge with another cloud, or develop into a cumulus cloud, but usually a fractus cloud seen by itself will dissipate rapidly.

They are often observed on the leading and trailing edges of storm clouds, and are a display of wind activity.

Next Topic: Freezing Rain

Weather Topic: What is Graupel?

Home - Education - Precipitation - Graupel

Graupel Next Topic: Hail

Graupel is a form of precipitation that is created by atmospheric conditions which cause supercooled water droplets to contact snow crystals and freeze to their surface.

Sometimes known as soft hail or snow pellets, graupel is delicate and easily destroyed by touch. Whereas hail usually falls during severe weather, graupel doesn't require such conditions to form, and can form in mild precipitation similar to situations which produce snowfall.

Next Topic: Hail