Weather Alerts for California
1. High Surf Advisory for: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches
2. High Surf Advisory for: Ventura County Beaches
3. Lake Wind Advisory for: Greater Lake Tahoe Area; Greater Lake Tahoe Area; Western Nevada Basin and Range including Pyramid Lake
4. Wind Advisory for: Death Valley National Park; Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Western Clark and Southern Nye County; Spring Mountains-Red Rock Canyon; Las Vegas Valley; Southern Clark County
5. Wind Advisory for: Eastern Sierra Slopes of Inyo County; Owens Valley
6. Wind Advisory for: Indian Wells Valley; Mojave Desert Slopes; Mojave Desert
7. Wind Advisory for: San Francisco Peninsula Coast; Santa Cruz Mountains; East Bay Hills; Northern Monterey Bay
8. Wind Advisory for: Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park; Southern Monterey Bay and Big Sur Coast
9. Winter Storm Warning for: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
10. Winter Weather Advisory for: Del Norte Interior; Northern Humboldt Interior; Northern Trinity; Southern Trinity
11. Winter Weather Advisory for: Greater Lake Tahoe Area; Greater Lake Tahoe Area
12. Winter Weather Advisory for: Mono
13. Winter Weather Advisory for: South Central Siskiyou County; North Central and Southeast Siskiyou County
14. Winter Weather Advisory for: Western Siskiyou County
15. Winter Weather Advisory for: Yosemite NP outside of the valley; Upper San Joaquin River
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Current U.S. National Radar--Current
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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.
Weather Topic: What are Stratus Clouds?
Home - Education - Cloud Types - Stratus Clouds
Next Topic: Wall Clouds
Stratus clouds are similar to altostratus clouds, but form at a
lower altitude and are identified by their fog-like appearance, lacking the
distinguishing features of most clouds.
Stratus clouds are wider than most clouds, and their base has a smooth, uniform
look which is lighter in color than a nimbostratus cloud.
The presence of a stratus cloud indicates the possibility of minor precipitation,
such as drizzle, but heavier precipitation does not typically arrive in the form
of a stratus cloud.
Next Topic: Wall Clouds
Weather Topic: What are Altocumulus Clouds?
Home - Education - Cloud Types - Altocumulus Clouds
Next Topic: Altostratus Clouds
Similar to cirrocumulus clouds, altocumulus clouds are
characterized by cloud patches. They are distinguished by larger cloudlets
than cirrocumulus clouds but are still smaller than stratocumulus clouds.
Altocumulus clouds most commonly form in middle altitudes (between 2 and 5 km)
and may resemble, at times, the shape of a flying saucer.
These uncommon formations, called altocumulus lenticularis, are created by uplift
in the atmosphere and are most often seen in close proximity to mountains.
Next Topic: Altostratus Clouds