Weather Alerts for California
1. Air Quality Alert for: San Bernardino and Riverside County Valleys-The Inland Empire; Riverside County Mountains; Santa Ana Mountains and Foothills; Coachella Valley; San Gorgonio Pass Near Banning; Orange County Inland
2. High Wind Warning for: Santa Susana Mountains; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains
3. Wind Advisory for: Catalina and Santa Barbara Islands; Los Angeles County Beaches; Palos Verdes Hills; Los Angeles County Inland Coast including Downtown Los Angeles; Los Angeles County San Gabriel Valley
4. Wind Advisory for: Eastern Santa Monica Mountains Recreational Area; Interstate 5 Corridor
5. Wind Advisory for: Eastern Sierra Slopes of Inyo County
6. Wind Advisory for: Joshua Tree NP West; Joshua Tree NP East; Chuckwalla Mountains; Chiriaco Summit; Palo Verde Valley; Chuckwalla Valley
7. Wind Advisory for: Owens Valley; White Mountains of Inyo County; Death Valley National Park; Morongo Basin; Lincoln County; Western Clark and Southern Nye County
8. Wind Advisory for: Piute Walker Basin; Tehachapi; Indian Wells Valley; Mojave Desert Slopes; Mojave Desert
9. Wind Advisory for: San Bernardino and Riverside County Valleys-The Inland Empire; San Bernardino County Mountains; Santa Ana Mountains and Foothills; Orange County Inland
10. Wind Advisory for: San Diego County Inland Valleys; Riverside County Mountains; San Diego County Mountains; San Gorgonio Pass Near Banning
11. Wind Advisory for: Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Central Ventura County Valleys; Malibu Coast; Western Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Southern Ventura County Mountains; Northern Ventura County Mountains
12. Wind Advisory for: Santa Susana Mountains; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains
13. Wind Advisory for: Western Antelope Valley Foothills
14. Wind Advisory for: Western Mojave Desert
15. Wind Advisory for: Yosemite NP outside of the valley; Upper San Joaquin River; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
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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
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