Weather Alerts for California
1. Frost Advisory for: Northern Trinity; Southern Trinity
2. Wind Advisory for: Coachella Valley
3. Wind Advisory for: Imperial County Southwest
4. Wind Advisory for: Riverside County Mountains; San Diego County Mountains; San Diego County Deserts
5. Wind Advisory for: Salton Sea; Imperial County West; Imperial Valley
6. Wind Advisory for: San Bernardino County Mountains; Apple and Lucerne Valleys
7. Wind Advisory for: San Gorgonio Pass Near Banning
8. Wind Advisory for: Surprise Valley California; Northern Washoe County
9. Winter Weather Advisory for: Del Norte Interior; Northern Humboldt Interior; Southern Humboldt Interior; Northern Trinity; Southern Trinity; Northeastern Mendocino Interior
10. Winter Weather Advisory for: Greater Lake Tahoe Area; Mono; Greater Lake Tahoe Area
11. Winter Weather Advisory for: Kaiser to Rodgers Ridge; Kings Canyon NP; Grant Grove Area; Sequoia NP
12. Winter Weather Advisory for: Lassen-Eastern Plumas-Eastern Sierra Counties
13. Winter Weather Advisory for: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
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--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 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
