Weather Alerts for California
1. Air Quality Alert for: Coachella Valley; San Gorgonio Pass Near Banning
2. Air Quality Alert for: Imperial County Southwest; Imperial County West; Imperial Valley
3. Flood Advisory for: Amador, CA; Calaveras, CA; El Dorado, CA; Nevada, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Stanislaus, CA; Sutter, CA; Tuolumne, CA; Yolo, CA
4. High Wind Warning for: Death Valley National Park; Esmeralda and Central Nye County
5. Severe Thunderstorm Warning for: Fresno, CA; Madera, CA
6. Severe Thunderstorm Warning for: Fresno, CA; Tulare, CA
7. Special Weather Statement for: Planada - Le Grand - Snelling; Fresno-Clovis; Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; San Joaquin River Canyon; Upper San Joaquin River; Kaiser to Rodgers Ridge
8. Special Weather Statement for: Sierra Nevada of Tehama-Butte-Plumas Counties Between 1000-3000 ft; Northern Sacramento Valley in Tehama County; Eastern Glenn County; Butte County Below 1000 ft
9. Tornado Warning for: Fresno, CA
10. Wind Advisory for: Apple and Lucerne Valleys; San Diego County Deserts
11. Wind Advisory for: Eastern Sierra Slopes of Inyo County; White Mountains of Inyo County; Owens Valley South; Owens Valley North; Lincoln County
12. Wind Advisory for: Imperial County Southwest
13. Wind Advisory for: Imperial County West; Imperial Valley
14. Wind Advisory for: Indian Wells Valley; Mojave Desert
15. Wind Advisory for: Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills; Antelope Valley
16. Wind Advisory for: Joshua Tree NP West
17. Wind Advisory for: Mojave Desert Slopes
18. Wind Advisory for: Riverside County Mountains; San Diego County Mountains
19. Wind Advisory for: San Bernardino County Mountains
20. Wind Advisory for: San Gorgonio Pass Near Banning
21. Winter Storm Warning for: Lassen Volcanic National Park; Sierra Nevada of Tehama-Butte-Plumas Counties Above 3000 ft; Sierra Nevada of Sierra-Nevada-Placer Counties Above 5000 ft Including Interstate 80; Sierra Nevada of El Dorado-Amador-Northern Alpine Counties Above 5000 ft Including Highway 50; Sierra Nevada of Calaveras-Tuolumne-Southern Alpine Counties Above 5000 ft
22. Winter Storm Warning for: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP
23. Winter Weather Advisory for: Greater Lake Tahoe Area; Greater Lake Tahoe Area
24. Winter Weather Advisory for: Mono
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Weather Topic: What are Nimbostratus Clouds?
Home - Education - Cloud Types - Nimbostratus Clouds
Next Topic: Precipitation
A nimbostratus cloud is similar to a stratus cloud in its formless,
smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud,
because it is thicker.
Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat
of moderate to heavy precipitation. In some cases, the precipitation may evaporate
before reaching the ground, a phenomenon known as virga.
Next Topic: Precipitation
Weather Topic: What is Rain?
Home - Education - Precipitation - Rain
Next Topic: Shelf Clouds
Precipitation in the form of water droplets is called rain.
Rain generally has a tendency to fall with less intensity over a greater period
of time, and when rainfall is more severe it is usually less sustained.
Rain is the most common form of precipitation and happens with greater frequency
depending on the season and regional influences. Cities have been shown to have
an observable effect on rainfall, due to an effect called the urban heat island.
Compared to upwind, monthly rainfall between twenty and forty miles downwind of
cities is 30% greater.
Next Topic: Shelf Clouds
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