Weather Alerts for California

Recent Locations: Lake Hughes, CA  

1. Air Quality Alert for: Coachella Valley

2. Frost Advisory for: Northeastern Mendocino Interior

3. Frost Advisory for: Northern Lake County

4. Frost Advisory for: Southern Trinity

5. High Wind Warning for: Interstate 5 Corridor

6. High Wind Warning for: Mojave Desert Slopes

7. High Wind Warning for: Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains

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

9. High Wind Warning for: Santa Ynez Mountains Eastern Range

10. High Wind Warning for: Western Antelope Valley Foothills

11. Red Flag Warning for: Indian Wells Valley

12. Red Flag Warning for: Kern County Desert

13. 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; Eastern Delta; Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft - Excludes the Delta; Southeast Edge Shasta/Trinity NF and Western Portions of Tehama/Glenn RU; Eastern Mendocino NF

14. Red Flag Warning for: Southern Mono County; Eastern Lassen County; Northern Sierra Front - Carson City/Douglas/Storey/Southern Washoe/Eastern Lyon/Far Southern Lassen Counties; Southern Sierra Front - Alpine/Northern Mono/Southern Lyon/Western Mineral Counties; West Humboldt Basin - Pershing County; Lahontan Basin - Churchill and Eastern Mineral Counties; Northern Washoe County

15. Wind Advisory for: Apple and Lucerne Valleys

16. Wind Advisory for: Eastern Antelope Valley Foothills; Antelope Valley

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

18. Wind Advisory for: Imperial County Southwest

19. Wind Advisory for: Indian Wells Valley; Mojave Desert

20. Wind Advisory for: Interstate 5 Corridor

21. Wind Advisory for: Lake Casitas

22. Wind Advisory for: Lassen-Eastern Plumas-Eastern Sierra Counties; Mono; Mineral and Southern Lyon Counties; Greater Reno-Carson City-Minden Area; Western Nevada Basin and Range including Pyramid Lake; Northern Washoe County

23. Wind Advisory for: San Diego County Deserts

24. Wind Advisory for: San Gorgonio Pass Near Banning

25. Wind Advisory for: San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast

26. Wind Advisory for: San Luis Obispo County Mountains

27. Wind Advisory for: Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains

28. Wind Advisory for: Santa Barbara County Southeastern Coast

29. Wind Advisory for: Santa Barbara County Southwestern Coast; Santa Ynez Mountains Western Range

30. Wind Advisory for: Santa Lucia Mountains; Southern Salinas Valley

31. Wind Advisory for: Santa Ynez Mountains Eastern Range

32. Wind Advisory for: Santa Ynez Valley

33. Wind Advisory for: Western Antelope Valley Foothills

34. Wind Advisory for: Western Mojave Desert

35. Wind Advisory for: Western San Gabriel Mountains and Highway 14 Corridor

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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

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

Today's National Weather Map

National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

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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