Weather Alerts for California

Recent Locations: Bieber, CA  
Current Alerts for Bieber, CA: Lake Wind Advisory

1. Air Quality Alert for: Coachella Valley; San Gorgonio Pass Near Banning

2. Air Quality Alert for: Imperial Valley

3. Beach Hazards Statement for: Catalina and Santa Barbara Islands; Malibu Coast; Los Angeles County Beaches

4. Beach Hazards Statement for: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches

5. Excessive Heat Warning for: Coachella Valley; San Diego County Deserts

6. Excessive Heat Warning for: Imperial County Southwest; Salton Sea; Imperial County West; Imperial Valley; Chuckwalla Valley

7. Excessive Heat Warning for: San Gorgonio Pass Near Banning

8. Fire Weather Watch for: Lake County Portion of Lake-Napa-Sonoma Unit

9. Heat Advisory for: San Bernardino and Riverside County Valleys-The Inland Empire

10. Heat Advisory for: Santa Barbara County Southeastern Coast; Santa Ynez Mountains Eastern Range

11. Heat Advisory for: Santa Barbara County Southwestern Coast; Santa Ynez Mountains Western Range

12. High Surf Advisory for: Ventura County Beaches

13. High Wind Warning for: Interstate 5 Corridor; Western Antelope Valley Foothills

14. High Wind Warning for: Mojave Desert Slopes

15. High Wind Warning for: Northern Ventura County Mountains

16. High Wind Warning for: Santa Barbara County Interior Mountains

17. High Wind Warning for: Santa Barbara County Southeastern Coast; Santa Ynez Mountains Eastern Range

18. High Wind Warning for: Santa Barbara County Southwestern Coast; Santa Ynez Mountains Western Range

19. High Wind Watch for: Mojave Desert Slopes

20. Lake Wind Advisory for: Greater Lake Tahoe Area; Greater Lake Tahoe Area

21. Lake Wind Advisory for: Lassen-Eastern Plumas-Eastern Sierra Counties

22. Red Flag Warning for: Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft; Central Sacramento Valley including Glenn/Colusa/Yuba/Northern Sutter/Butte County Below 1000 Ft; Southern Sacramento Valley In Yolo/Sacramento/Far Western Placer/Southern Sutter and Solano County Below 1000 Ft - Excludes the Delta; Southeast Edge Shasta/Trinity NF and Western Portions of Tehama/Glenn RU; Northern Sierra Foothills from 1000 to 3000 Ft. Includes Nevada-Yuba-Placer RU and Anador-Eldorado RU; Eastern Mendocino NF

23. Wind Advisory for: Interstate 5 Corridor; Western Antelope Valley Foothills

24. Wind Advisory for: Northern Ventura County Mountains

25. Wind Advisory for: Santa Barbara County Interior Mountains

26. Wind Advisory for: Santa Barbara County Southeastern Coast; Santa Ynez Mountains Eastern Range

27. Wind Advisory for: Santa Clarita Valley

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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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North America Water Vapor (Moisture)

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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