Weather Alerts for California
Winter Storm Warning
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: Los Angeles, CA
23. Severe Thunderstorm Warning for: Orange, CA; Riverside, CA; San Bernardino, CA
24. Special Weather Statement for: Catalina and Santa Barbara Islands; Los Angeles County Beaches
25. Wind Advisory for: Apple and Lucerne Valleys
26. Wind Advisory for: Coachella Valley
27. 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
28. Wind Advisory for: Imperial County Southwest
29. 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
30. Wind Advisory for: Northern Sacramento Valley; Central Sacramento Valley; Southern Sacramento Valley
31. 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
32. Wind Advisory for: San Diego County Deserts
33. Wind Advisory for: San Gorgonio Pass Near Banning
34. 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
35. Wind Advisory for: Santa Ynez Mountains Western Range
36. 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
37. Wind Advisory for: Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin
38. Winter Storm Warning for: Eastern Sierra Slopes of Inyo County
39. Winter Storm Warning for: Grapevine
40. Winter Storm Warning for: Greater Lake Tahoe Area; Greater Lake Tahoe Area
41. Winter Storm Warning for: Lassen-Eastern Plumas-Eastern Sierra Counties
42. 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
43. Winter Storm Warning for: Mono
44. Winter Storm Warning for: Northern Ventura County Mountains; Eastern San Gabriel Mountains
45. Winter Storm Warning for: Piute Walker Basin; Tehachapi; Frazier Mountain Communities
46. Winter Storm Warning for: Riverside County Mountains
47. Winter Storm Warning for: San Bernardino County Mountains
48. Winter Storm Warning for: Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Interstate 5 Corridor
49. 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
50. Winter Storm Warning for: South Central Siskiyou County; North Central and Southeast Siskiyou County
51. Winter Storm Warning for: Western San Gabriel Mountains and Highway 14 Corridor; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills
52. Winter Storm Warning for: Western Siskiyou County
53. Winter Storm Warning for: White Mountains of Inyo County
54. Winter Weather Advisory for: Central Siskiyou County
55. Winter Weather Advisory for: Eastern Mojave Desert, Including the Mojave National Preserve
56. Winter Weather Advisory for: Eastern Santa Clara Hills
57. Winter Weather Advisory for: Greater Lake Tahoe Area; Greater Lake Tahoe Area
58. Winter Weather Advisory for: Lassen-Eastern Plumas-Eastern Sierra Counties
59. Winter Weather Advisory for: Mono
60. 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
61. Winter Weather Advisory for: Owens Valley
62. Winter Weather Advisory for: San Diego County Mountains
63. 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
64. Winter Weather Advisory for: Surprise Valley California
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Weather Topic: What are Cirrus Clouds?
Home - Education - Cloud Types - Cirrus Clouds
Next Topic: Condensation
Cirrus clouds are high-level clouds that occur above 20,000 feet
and are composed mainly of ice crystals.
They are thin and wispy in appearance.
What do they indicate?
They are often the first sign of an approaching storm.
Next Topic: Condensation
Weather Topic: What are Contrails?
Home - Education - Cloud Types - Contrails
Next Topic: Cumulonimbus Clouds
A contrail is an artificial cloud, created by the passing of an
aircraft.
Contrails form because water vapor in the exhaust of aircraft engines is suspended
in the air under certain temperatures and humidity conditions. These contrails
are called exhaust contrails.
Another type of contrail can form due to a temporary reduction in air pressure
moving over the plane's surface, causing condensation.
These are called aerodynamic contrails.
When you can see your breath on a cold day, it is also because of condensation.
The reason contrails last longer than the condensation from your breath is
because the water in contrails freezes into ice particles.
Next Topic: Cumulonimbus Clouds
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