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. Beach Hazards Statement for: San Diego County Coastal Areas; Orange County Coastal
4. High Surf Advisory for: Catalina and Santa Barbara Islands; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
5. High Surf Advisory for: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches
6. High Wind Warning for: Antelope Valley
7. High Wind Warning for: Interstate 5 Corridor
8. High Wind Warning for: Mojave Desert Slopes
9. High Wind Warning for: San Miguel and Santa Rosa Islands; Santa Cruz and Anacapa Islands
10. High Wind Warning for: Western Antelope Valley Foothills
11. Wind Advisory for: Catalina and Santa Barbara Islands
12. Wind Advisory for: Central Ventura County Valleys; Western Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Southeastern Ventura County Valleys
13. Wind Advisory for: Cuyama Valley
14. Wind Advisory for: Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin; Cadiz Basin
15. Wind Advisory for: Eastern San Gabriel Mountains
16. Wind Advisory for: Eastern Sierra Slopes of Inyo County; Owens Valley
17. Wind Advisory for: Imperial County Southwest
18. Wind Advisory for: Joshua Tree NP West; Salton Sea; Imperial County Southeast; Imperial County West; Imperial Valley
19. Wind Advisory for: Lake Casitas
20. Wind Advisory for: Riverside County Mountains; San Diego County Mountains; Coachella Valley; San Diego County Deserts
21. Wind Advisory for: San Bernardino County Mountains; Apple and Lucerne Valleys
22. Wind Advisory for: San Gorgonio Pass Near Banning
23. Wind Advisory for: San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Lucia Mountains; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Ynez Valley
24. Wind Advisory for: Santa Barbara County Interior Mountains
25. Wind Advisory for: Santa Barbara County Southeastern Coast; Ventura County Beaches; Ventura County Inland Coast; Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills; Los Angeles County Inland Coast including Downtown Los Angeles
26. Wind Advisory for: Santa Barbara County Southwestern Coast; Santa Ynez Mountains Western Range
27. Wind Advisory for: Santa Clarita Valley; Santa Susana Mountains
28. Wind Advisory for: Santa Ynez Mountains Eastern Range
29. Wind Advisory for: South End of the Upper Sierra; Piute Walker Basin; Tehachapi; Indian Wells Valley; Mojave Desert
30. Wind Advisory for: Southern Ventura County Mountains; Northern Ventura County Mountains
31. Wind Advisory for: Western Mojave Desert
32. Wind Advisory for: Western San Gabriel Mountains and Highway 14 Corridor
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Weather Topic: What are Hole Punch Clouds?
Home - Education - Cloud Types - Hole Punch Clouds
Next Topic: Mammatus Clouds
A hole punch cloud is an unusual occurrence when a disk-shaped
hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.
When part of the cloud forms ice crystals, water droplets in the surrounding area
of the cloud evaporate. The effect of this process produces a large elliptical
gap in the cloud. The hole punch cloud formation is rare, but it is not specific
to any geographic area.
Other names which have been used to describe this phenomena include fallstreak hole,
skypunch, and cloud hole.
Next Topic: Mammatus Clouds
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