Weather Alerts for Alaska

Recent Locations: Madison, GA Falls Church, VA Fairbanks, AK

1. Blizzard Warning for: Kivalina and Red Dog Dock; Baldwin Peninsula

2. Blizzard Warning for: Western Arctic Coast

3. Cold Weather Advisory for: City and Borough of Wrangell

4. Cold Weather Advisory for: Ketchikan Gateway Borough

5. Cold Weather Advisory for: Municipality of Skagway; Haines Borough and Klukwan; City and Borough of Sitka; City and Borough of Juneau; Western Kupreanof and Kuiu Island; City of Hyder; Annette Island

6. Cold Weather Advisory for: Petersburg Borough

7. Cold Weather Advisory for: Prince of Wales Island

8. Winter Storm Warning for: Interior Seward Peninsula; Eastern Norton Sound and Nulato Hills

9. Winter Storm Warning for: Noatak Valley; Lower Kobuk Valley

10. Winter Storm Warning for: Northern Denali Borough

11. Winter Storm Warning for: South Slopes of the Western Brooks Range; Upper Kobuk Valleys

12. Winter Storm Warning for: Tanana Flats; Eielson AFB and Salcha

13. Winter Storm Warning for: Upper Koyukuk Valley

14. Winter Storm Warning for: White Mountains and High Terrain South of the Yukon River; Upper Chena River Valley; Goldstream Valley and Nenana Hills; Chatanika River Valley; Two Rivers; Fairbanks Metro Area; Nenana; Central Interior

15. Winter Weather Advisory for: Central Brooks Range

16. Winter Weather Advisory for: Lower Koyukuk Valley; Middle Yukon Valley

17. Winter Weather Advisory for: Lower Yukon River

18. Winter Weather Advisory for: Northern Seward Peninsula

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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