Weather Alerts for California

Recent Locations: Madison, WI   Escondido, CA   Thousand Oaks, CA  
Current Alerts for Thousand Oaks, CA: Flood Advisory High Surf Advisory
High Wind Warning Wind Advisory

1. Flood Advisory for: Los Angeles, CA; Ventura, CA

2. Flood Advisory for: Los Angeles, CA; Ventura, CA

3. Flood Advisory for: Santa Barbara, CA

4. Flood Advisory for: Santa Barbara, CA; Ventura, CA

5. High Surf Advisory for: Catalina and Santa Barbara Islands; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches

6. High Surf Advisory for: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches

7. High Surf Advisory for: Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast

8. High Wind Warning for: Cuyama Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills; Antelope Valley

9. High Wind Warning for: Grapevine

10. High Wind Warning for: San Bernardino County Mountains; Apple and Lucerne Valleys

11. Wind Advisory for: Owens Valley; Esmeralda and Central Nye County

12. Wind Advisory for: San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Lucia Mountains; Southern Salinas Valley; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Ynez Valley; Santa Barbara County Southwestern Coast

13. Wind Advisory for: Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Central Ventura County Valleys; Malibu Coast; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Southeastern Ventura County Valleys; Santa Susana Mountains

14. Wind Advisory for: Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park; Northern Salinas Valley/Hollister Valley and Carmel Valley; Southern Monterey Bay and Big Sur Coast

15. Wind Advisory for: West Side Mountains north of 198; West Side Mountains South of 198; Buena Vista; Tehachapi; Frazier Mountain Communities; Mojave Desert Slopes

16. Winter Storm Warning for: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge

17. Winter Weather Advisory for: Eastern Sierra Slopes of Inyo County

18. Winter Weather Advisory for: Greater Lake Tahoe Area; Greater Lake Tahoe Area

19. Winter Weather Advisory for: Kings Canyon NP; Grant Grove Area; Sequoia NP; South End of the Upper Sierra

20. Winter Weather Advisory for: Lassen-Eastern Plumas-Eastern Sierra Counties

21. Winter Weather Advisory for: Mono

22. Winter Weather Advisory for: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada

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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)

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 Wall Clouds?

Home - Education - Cloud Types - Wall Clouds

Wall Clouds Next Topic: Altocumulus Clouds

A wall cloud forms underneath the base of a cumulonimbus cloud, and can be a hotbed for deadly tornadoes.

Wall clouds are formed by air flowing into the cumulonimbus clouds, which can result in the wall cloud descending from the base of the cumulonimbus cloud, or rising fractus clouds which join to the base of the storm cloud as the wall cloud takes shape.

Wall clouds can be very large, and in the Northern Hemisphere they generally form at the southern edge of cumulonimbus clouds.

Next Topic: Altocumulus Clouds

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

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