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. Freeze Warning for: Western Siskiyou County
4. Frost Advisory for: Del Norte Interior; Northern Humboldt Coast; Southwestern Humboldt; Northern Humboldt Interior; Southern Humboldt Interior; Mendocino Coast; Northwestern Mendocino Interior; Northeastern Mendocino Interior; Southwestern Mendocino Interior; Southeastern Mendocino Interior; Northern Lake County; Southern Lake County
5. High Wind Warning for: Mojave Desert Slopes
6. High Wind Warning for: Santa Susana Mountains
7. High Wind Warning for: Western Santa Monica Mountains Recreational Area; Western San Gabriel Mountains and Highway 14 Corridor
8. Lake Wind Advisory for: Kern River Valley
9. Wind Advisory for: Eastern San Gabriel Mountains
10. Wind Advisory for: Indian Wells Valley; Mojave Desert
11. Wind Advisory for: Riverside County Mountains; San Diego County Mountains; Apple and Lucerne Valleys; Coachella Valley; San Diego County Deserts
12. Wind Advisory for: San Bernardino and Riverside County Valleys-The Inland Empire; Santa Ana Mountains and Foothills; Orange County Inland
13. Wind Advisory for: San Bernardino County Mountains; San Gorgonio Pass Near Banning
14. Wind Advisory for: San Bernardino County Mountains; San Gorgonio Pass Near Banning
15. Wind Advisory for: Santa Barbara County Southwestern Coast; Santa Ynez Mountains Western Range
16. Wind Advisory for: Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Central Ventura County Valleys; Calabasas and Agoura Hills; Western San Fernando Valley; Southeastern Ventura County Valleys
17. Wind Advisory for: Santa Susana Mountains
18. Wind Advisory for: Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains
19. Wind Advisory for: Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor
20. Wind Advisory for: Western Antelope Valley Foothills; Antelope Valley
21. Wind Advisory for: Western Mojave Desert
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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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