Weather Alerts for California
1. Avalanche Watch for: Greater Lake Tahoe Area; Greater Lake Tahoe Area
2. Avalanche Watch for: Mono
3. Beach Hazards Statement for: Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast
4. Coastal Flood Advisory for: Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
5. Coastal Flood Advisory for: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline
6. Flash Flood Warning for: Los Angeles, CA
7. Flash Flood Warning for: Los Angeles, CA
8. Flash Flood Warning for: Los Angeles, CA
9. Flash Flood Warning for: Los Angeles, CA
10. Flood Advisory for: Amador, CA; Calaveras, CA; El Dorado, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Stanislaus, CA; Yolo, CA
11. Flood Advisory for: Los Angeles, CA
12. Flood Advisory for: Los Angeles, CA
13. Flood Advisory for: Los Angeles, CA
14. Flood Advisory for: Orange, CA
15. Flood Advisory for: Orange, CA
16. Flood Advisory for: Orange, CA; Riverside, CA; San Bernardino, CA
17. Flood Advisory for: Orange, CA; Riverside, CA; San Bernardino, CA
18. Flood Advisory for: Orange, CA; San Diego, CA
19. Flood Advisory for: San Bernardino, CA
20. Flood Advisory for: San Luis Obispo, CA; Santa Barbara, CA
21. Flood Advisory for: Santa Barbara, CA; Ventura, CA
22. Flood Watch for: Catalina and Santa Barbara Islands; Santa Clarita Valley; Santa Ynez Valley; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Ventura County Beaches; Ventura County Inland Coast; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills; Los Angeles County Inland Coast including Downtown Los Angeles; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley; San Miguel and Santa Rosa Islands; Santa Cruz and Anacapa Islands
23. High Surf Advisory for: San Diego County Coastal Areas; Orange County Coastal
24. High Surf Advisory for: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches; Malibu Coast; Los Angeles County Beaches
25. High Surf Advisory for: Ventura County Beaches
26. High Wind Warning for: Cuyama Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills
27. High Wind Warning for: San Miguel and Santa Rosa Islands; Santa Cruz and Anacapa Islands
28. Special Weather Statement for: Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Central Ventura County Valleys; Western Santa Monica Mountains Recreational Area; Southeastern Ventura County Valleys; Santa Susana Mountains
29. Wind Advisory for: Apple and Lucerne Valleys
30. Wind Advisory for: Apple and Lucerne Valleys
31. Wind Advisory for: Catalina and Santa Barbara Islands; Santa Clarita Valley; San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Lucia Mountains; Southern Salinas Valley; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Ynez Valley; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Ventura County Beaches; Ventura County Inland Coast; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Los Angeles County Beaches; Palos Verdes Hills; Los Angeles County Inland Coast including Downtown Los Angeles; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Antelope Valley; Los Angeles County San Gabriel Valley
32. Wind Advisory for: Imperial County Southwest
33. Wind Advisory for: Northern Sacramento Valley; Central Sacramento Valley; Southern Sacramento Valley
34. Wind Advisory for: Owens Valley; Death Valley National Park
35. Wind Advisory for: San Diego County Coastal Areas; San Bernardino and Riverside County Valleys-The Inland Empire; San Diego County Inland Valleys; Santa Ana Mountains and Foothills; Orange County Coastal; Orange County Inland
36. Wind Advisory for: San Diego County Coastal Areas; San Bernardino and Riverside County Valleys-The Inland Empire; San Diego County Inland Valleys; Santa Ana Mountains and Foothills; Orange County Coastal; Orange County Inland
37. Wind Advisory for: San Diego County Deserts
38. Wind Advisory for: San Diego County Deserts
39. Wind Advisory for: San Diego County Mountains
40. Wind Advisory for: San Diego County Mountains
41. Wind Advisory for: San Gorgonio Pass Near Banning
42. Wind Advisory for: San Gorgonio Pass Near Banning
43. Wind Advisory for: Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park; Northern Salinas Valley/Hollister Valley and Carmel Valley; Southern Monterey Bay and Big Sur Coast
44. Wind Advisory for: West Side Mountains north of 198; West Side Mountains South of 198; Buena Vista; Indian Wells Valley; Mojave Desert Slopes; Mojave Desert
45. Winter Storm Warning for: Del Norte Interior; Northern Humboldt Interior; Southern Humboldt Interior
46. Winter Storm Warning for: Eastern Sierra Slopes of Inyo County
47. Winter Storm Warning for: Grapevine
48. Winter Storm Warning for: Greater Lake Tahoe Area; Greater Lake Tahoe Area
49. Winter Storm Warning for: Lassen-Eastern Plumas-Eastern Sierra Counties
50. Winter Storm Warning 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
51. Winter Storm Warning for: Mono
52. Winter Storm Warning for: Northern Sacramento Valley
53. Winter Storm Warning for: Northern Trinity; Southern Trinity
54. Winter Storm Warning for: Northern Ventura County Mountains; Eastern San Gabriel Mountains
55. Winter Storm Warning for: Northwestern Mendocino Interior; Northeastern Mendocino Interior; Northern Lake County; Southern Lake County
56. Winter Storm Warning for: Piute Walker Basin; Tehachapi; Frazier Mountain Communities
57. Winter Storm Warning for: San Bernardino County Mountains; Riverside County Mountains
58. Winter Storm Warning for: Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Interstate 5 Corridor
59. Winter Storm Warning for: Shasta Lake Area / Northern Shasta County; Burney Basin / Eastern Shasta County; Mountains Southwestern Shasta County to Western Colusa County; Northeast Foothills/Sacramento Valley; Motherlode; Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
60. Winter Storm Warning for: South Central Siskiyou County; North Central and Southeast Siskiyou County
61. Winter Storm Warning for: Southwestern Humboldt
62. Winter Storm Warning for: Western San Gabriel Mountains and Highway 14 Corridor; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills
63. Winter Storm Warning for: Western Siskiyou County
64. Winter Storm Warning for: White Mountains of Inyo County
65. Winter Storm Watch for: Owens Valley
66. Winter Weather Advisory for: Central Siskiyou County
67. Winter Weather Advisory for: Coastal Del Norte; Northern Humboldt Coast
68. Winter Weather Advisory for: Eastern Santa Clara Hills
69. Winter Weather Advisory for: Northeast Siskiyou and Northwest Modoc Counties; Modoc County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County
70. Winter Weather Advisory for: Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park
71. Winter Weather Advisory for: Surprise Valley California
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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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