Weather Alerts for California
1. Flash Flood Warning for: Nevada, CA; Sierra, CA; Washoe, NV
2. Flash Flood Warning for: San Bernardino, CA
3. Flash Flood Warning for: San Bernardino, CA
4. Flood Advisory for: Alpine, CA
5. Flood Advisory for: Riverside, CA
6. Flood Advisory for: Riverside, CA; San Bernardino, CA
7. Flood Advisory for: San Bernardino, CA
8. Flood Advisory for: San Bernardino, CA
9. Flood Watch for: Eastern Sierra Slopes of Inyo County; Owens Valley; White Mountains of Inyo County; Death Valley National Park; Esmeralda and Central Nye County
10. Flood Watch for: Lassen-Eastern Plumas-Eastern Sierra Counties; Greater Lake Tahoe Area; Mono; Mineral and Southern Lyon Counties; Greater Lake Tahoe Area; Greater Reno-Carson City-Minden Area
11. Flood Watch for: Mariposa-Madera Lower Sierra; Fresno-Tulare Lower Sierra; South End of the Lower Sierra; Yosemite NP outside of the valley; Yosemite Valley; San Joaquin River Canyon; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Grant Grove Area; Sequoia NP; South End of the Upper Sierra; Kern River Valley; Piute Walker Basin
12. Red Flag Warning for: Central Siskiyou County Including Shasta Valley; Siskiyou County from the Cascade Mountains East and South to Mt Shasta; Modoc County Except for the Surprise Valley; Umpqua National Forest; Southern Oregon Cascades; Klamath Basin and the Fremont-Winema National Forest; South Central Oregon Desert including the BLM Land in Eastern Lake and Western Harney Counties
13. Red Flag Warning for: Central Siskiyou County Including Shasta Valley; Siskiyou County from the Cascade Mountains East and South to Mt Shasta; Modoc County Except for the Surprise Valley; Umpqua National Forest; Southern Oregon Cascades; Klamath Basin and the Fremont-Winema National Forest; South Central Oregon Desert including the BLM Land in Eastern Lake and Western Harney Counties
14. Red Flag Warning for: Trinity
15. Red Flag Warning for: Western Klamath National Forest; Shasta-Trinity National Forest in Siskiyou County; Western Rogue Basin including the Illinois Valley; Siskiyou Mountains; Eastern Rogue Valley
16. Severe Thunderstorm Warning for: Lassen, CA; Plumas, CA
17. Severe Thunderstorm Warning for: Los Angeles, CA
18. Severe Thunderstorm Warning for: San Bernardino, CA
19. Special Weather Statement for: Central Siskiyou County
20. Special Weather Statement for: Kern River Valley; Piute Walker Basin; Mojave Desert Slopes
21. Special Weather Statement for: Northern Trinity
22. Special Weather Statement for: Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills; Antelope Valley
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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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