Weather Alerts for California
1. Air Quality Alert for: Coachella Valley
2. Air Quality Alert for: Imperial County Southwest; Imperial County West; Imperial Valley
3. Beach Hazards Statement for: Southern Monterey Bay and Big Sur Coast
4. Frost Advisory for: Northern Humboldt Interior; Southern Humboldt Interior; Northern Trinity; Southern Trinity; Northwestern Mendocino Interior; Northeastern Mendocino Interior; Northern Lake County
5. High Surf Advisory for: San Diego County Coastal Areas
6. High Surf Advisory for: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches
7. High Surf Advisory for: Ventura County Beaches
8. Wind Advisory for: Imperial County Southwest
9. Wind Advisory for: Imperial County West; Imperial Valley
10. Wind Advisory for: Indian Wells Valley; Mojave Desert
11. Wind Advisory for: Mojave Desert Slopes
12. Wind Advisory for: Northern Sacramento Valley; Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta
13. Wind Advisory for: San Diego County Deserts; San Gorgonio Pass Near Banning
14. Wind Advisory for: San Francisco; Marin Coastal Range; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Northern Salinas Valley/Hollister Valley and Carmel Valley; Southern Monterey Bay and Big Sur Coast
15. Wind Advisory for: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast
16. Wind Advisory for: San Luis Obispo County Inland Central Coast; Santa Lucia Mountains; Southern Salinas Valley; San Luis Obispo County Interior Valleys; Santa Ynez Valley
17. Wind Advisory for: Santa Barbara County Southwestern Coast; Santa Ynez Mountains Western Range
18. Wind Advisory for: Western Mojave Desert
19. Winter Weather Advisory for: Eastern Sierra Slopes of Inyo County
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Current U.S. National Radar--Current
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North America Water Vapor (Moisture)
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Weather Topic: What are Cumulonimbus Clouds?
Home - Education - Cloud Types - Cumulonimbus Clouds
Next Topic: Cumulus Clouds
The final form taken by a growing cumulus cloud is the
cumulonimbus cloud, which is very tall and dense.
The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although
most commonly they stop growing at an altitude of 6 km.
Even small cumulonimbus clouds appear very large in comparison to other cloud types.
They can signal the approach of stormy weather, such as thunderstorms or blizzards.
Next Topic: Cumulus Clouds
Weather Topic: What is Drizzle?
Home - Education - Precipitation - Drizzle
Next Topic: Evaporation
Drizzle is precipitation in the form of water droplets which are
smaller than raindrops.
Drizzle is characterized by fine, gently falling droplets and typically does not
impact human habitation in a negative way. The exception to this is freezing drizzle,
a condition where drizzle freezes immediately upon reaching earth's surface.
Freezing drizzle is still less dangerous than freezing rain, but can
potentially result in hazardous road conditions.
Next Topic: Evaporation
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