Weather Alerts for California
1. Avalanche Warning for: Eastern Sierra Slopes of Inyo County
2. Avalanche Warning for: Greater Lake Tahoe Area; Greater Lake Tahoe Area
3. Avalanche Warning for: Greater Lake Tahoe Area; Greater Lake Tahoe Area
4. Avalanche Warning for: Mono
5. Beach Hazards Statement for: Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast
6. Coastal Flood Advisory for: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches
7. Coastal Flood Advisory for: Ventura County Beaches
8. Cold Weather Advisory for: North Bay Interior Mountains; North Bay Interior Valleys; Southern Salinas Valley/Arroyo Seco and Lake San Antonio
9. Cold Weather Advisory for: Santa Cruz Mountains; Santa Clara Valley Including San Jose
10. Cold Weather Advisory for: Southeastern Mendocino Interior; Southern Lake County
11. Extreme Cold Warning for: Eastern Santa Clara Hills
12. Extreme Cold Warning for: Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park
13. Flood Advisory for: Los Angeles, CA
14. Flood Advisory for: Los Angeles, CA; Ventura, CA
15. Flood Advisory for: San Luis Obispo, CA; Santa Barbara, CA
16. High Surf Advisory for: Malibu Coast; Los Angeles County Beaches
17. High Surf Advisory for: San Diego County Coastal Areas; Orange County Coastal
18. High Surf Advisory for: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
19. High Surf Advisory for: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches
20. High Surf Advisory for: Ventura County Beaches
21. High Wind Warning for: Antelope Valley
22. Severe Thunderstorm Warning for: Orange, CA; Riverside, CA; San Bernardino, CA; San Diego, CA
23. Special Weather Statement for: Catalina and Santa Barbara Islands; Los Angeles County Beaches
24. Special Weather Statement for: Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills; Los Angeles County Inland Coast including Downtown Los Angeles; Eastern Santa Monica Mountains Recreational Area; Western San Fernando Valley; Eastern San Fernando Valley; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
25. Special Weather Statement for: Northern Humboldt Coast
26. Special Weather Statement for: Northern Humboldt Coast
27. Special Weather Statement for: Northern Humboldt Coast; Southwestern Humboldt
28. Wind Advisory for: Apple and Lucerne Valleys
29. Wind Advisory for: Coachella Valley
30. Wind Advisory for: Cuyama Valley; San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Lucia Mountains; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Ynez Valley; Santa Barbara County Southwestern Coast
31. Wind Advisory for: Imperial County Southwest
32. Wind Advisory for: Joshua Tree NP West; Joshua Tree NP East; Salton Sea; Chuckwalla Mountains; Imperial County West; Chiriaco Summit; Palo Verde Valley; Chuckwalla Valley
33. Wind Advisory for: Northern Sacramento Valley; Central Sacramento Valley; Southern Sacramento Valley
34. 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
35. Wind Advisory for: San Diego County Deserts
36. Wind Advisory for: San Gorgonio Pass Near Banning
37. Wind Advisory for: Santa Clarita Valley; Santa Barbara County Southeastern Coast; Santa Ynez Mountains Eastern Range; 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; Los Angeles County San Gabriel Valley
38. Wind Advisory for: Santa Ynez Mountains Western Range
39. 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
40. Wind Advisory for: Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin
41. Winter Storm Warning for: Eastern Sierra Slopes of Inyo County
42. Winter Storm Warning for: Grapevine
43. Winter Storm Warning for: Greater Lake Tahoe Area; Greater Lake Tahoe Area
44. Winter Storm Warning for: Lassen-Eastern Plumas-Eastern Sierra Counties
45. 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
46. Winter Storm Warning for: Mono
47. Winter Storm Warning for: Northern Ventura County Mountains; Eastern San Gabriel Mountains
48. Winter Storm Warning for: Piute Walker Basin; Tehachapi; Frazier Mountain Communities
49. Winter Storm Warning for: Riverside County Mountains
50. Winter Storm Warning for: San Bernardino County Mountains
51. Winter Storm Warning for: Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Interstate 5 Corridor
52. Winter Storm Warning for: Shasta Lake Area / Northern Shasta County; Burney Basin / Eastern Shasta County; Northern Sacramento Valley; Mountains Southwestern Shasta County to Western Colusa County; Northeast Foothills/Sacramento Valley; Motherlode; Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
53. Winter Storm Warning for: South Central Siskiyou County; North Central and Southeast Siskiyou County
54. Winter Storm Warning for: Western San Gabriel Mountains and Highway 14 Corridor; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills
55. Winter Storm Warning for: Western Siskiyou County
56. Winter Storm Warning for: White Mountains of Inyo County
57. Winter Weather Advisory for: Central Siskiyou County
58. Winter Weather Advisory for: Eastern Mojave Desert, Including the Mojave National Preserve
59. Winter Weather Advisory for: Eastern Santa Clara Hills
60. Winter Weather Advisory for: Greater Lake Tahoe Area; Greater Lake Tahoe Area
61. Winter Weather Advisory for: Lassen-Eastern Plumas-Eastern Sierra Counties
62. Winter Weather Advisory for: Mono
63. 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
64. Winter Weather Advisory for: Owens Valley
65. Winter Weather Advisory for: San Diego County Mountains
66. 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
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Weather Topic: What is Hail?
Home - Education - Precipitation - Hail
Next Topic: Hole Punch Clouds
Hail is a form of precipitation which is recognized by large solid balls or
clumps of ice. Hail is created by thunderstorm clouds with strong updrafts of wind.
As the hailstones remain in the updraft, ice is deposited onto them until their
weight becomes heavy enough for them to fall to the earth's surface.
Hail storms can cause significant damage to crops, aircrafts, and man-made structures,
despite the fact that the duration is usually less than ten minutes.
Next Topic: Hole Punch Clouds
Weather Topic: What are Mammatus Clouds?
Home - Education - Cloud Types - Mammatus Clouds
Next Topic: Nimbostratus Clouds
A mammatus cloud is a cloud with a unique feature which resembles
a web of pouches hanging along the base of the cloud.
In the United States, mammatus clouds tend to form in the warmer months, commonly
in the Midwest and eastern regions.
While they usually form at the bottom of a cumulonimbis cloud, they can also form
under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds
warn that severe weather is close.
Next Topic: Nimbostratus Clouds
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