Weather Alerts for California
1. Air Quality Alert for: Coachella Valley
2. Air Quality Alert for: Imperial County Southwest; Imperial County West; Imperial Valley
3. Freeze Warning for: Western Siskiyou County
4. Frost Advisory for: Del Norte Interior; Northern Humboldt Coast; Southwestern Humboldt; Northern Humboldt Interior; Southern Humboldt Interior; Mendocino Coast; Northwestern Mendocino Interior; Northeastern Mendocino Interior; Southwestern Mendocino Interior; Southeastern Mendocino Interior; Northern Lake County; Southern Lake County
5. High Wind Warning for: Mojave Desert Slopes
6. High Wind Warning for: Santa Susana Mountains
7. High Wind Warning for: Western Santa Monica Mountains Recreational Area; Western San Gabriel Mountains and Highway 14 Corridor
8. Lake Wind Advisory for: Kern River Valley
9. Wind Advisory for: Eastern San Gabriel Mountains
10. Wind Advisory for: Indian Wells Valley; Mojave Desert
11. Wind Advisory for: Riverside County Mountains; San Diego County Mountains; Apple and Lucerne Valleys; Coachella Valley; San Diego County Deserts
12. Wind Advisory for: San Bernardino and Riverside County Valleys-The Inland Empire; Santa Ana Mountains and Foothills; Orange County Inland
13. Wind Advisory for: San Bernardino County Mountains; San Gorgonio Pass Near Banning
14. Wind Advisory for: San Bernardino County Mountains; San Gorgonio Pass Near Banning
15. Wind Advisory for: Santa Barbara County Southwestern Coast; Santa Ynez Mountains Western Range
16. Wind Advisory for: Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Central Ventura County Valleys; Calabasas and Agoura Hills; Western San Fernando Valley; Southeastern Ventura County Valleys
17. Wind Advisory for: Santa Susana Mountains
18. Wind Advisory for: Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains
19. Wind Advisory for: Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor
20. Wind Advisory for: Western Antelope Valley Foothills; Antelope Valley
21. Wind Advisory for: Western Mojave Desert
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Weather Topic: What is Freezing Rain?
Home - Education - Precipitation - Freezing Rain
Next Topic: Graupel
Freezing rain is a condition where precipitation which has fallen in the form of
water droplets reaches temperatures which are below freezing and freezes upon
coming into contact
with surface objects. The result of this precipitation is a glaze of ice which
can be damaging to plants and man-made structures. A severe onset of freezing
rain which results in a very thick glaze of ice is known as an ice storm.
Next Topic: Graupel
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
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