Weather Alerts for California
1. Air Quality Alert for: Imperial County Southwest; Imperial County West; Imperial Valley
2. Air Quality Alert for: Los Angeles County San Gabriel Valley
3. Freeze Watch for: Western Siskiyou County
4. High Wind Warning for: Lassen-Eastern Plumas-Eastern Sierra Counties
5. High Wind Warning for: Mojave Desert Slopes
6. High Wind Warning for: Mono
7. High Wind Watch for: Santa Susana Mountains
8. High Wind Watch for: Western Santa Monica Mountains Recreational Area; Western San Gabriel Mountains and Highway 14 Corridor
9. Wind Advisory for: Central Siskiyou County
10. Wind Advisory for: Coastal Del Norte; Del Norte Interior
11. Wind Advisory for: Indian Wells Valley; Mojave Desert
12. Wind Advisory for: Modoc County
13. Wind Advisory for: San Bernardino County Mountains; Riverside County Mountains; San Diego County Mountains; Apple and Lucerne Valleys; Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning
14. Wind Advisory for: Santa Barbara County Southwestern Coast; Santa Ynez Mountains Western Range
15. Wind Advisory for: Santa Susana Mountains
16. Wind Advisory for: Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains
17. Wind Advisory for: Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor
18. Wind Advisory for: Surprise Valley California; Northern Washoe County
19. Wind Advisory for: Western Antelope Valley Foothills; Antelope Valley
20. Wind Advisory for: Western Mojave Desert
21. Winter Weather Advisory for: Greater Lake Tahoe Area; Greater Lake Tahoe Area
22. Winter Weather Advisory for: Modoc County
23. Winter Weather Advisory for: Northern Trinity
24. Winter Weather Advisory for: West Slope Northern Sierra Nevada
25. Winter Weather Advisory for: Western Siskiyou County
26. Winter Weather Advisory for: Yosemite NP outside of the valley; Upper San Joaquin River
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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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