Weather Alerts for California
1. Air Quality Alert for: Coachella Valley
2. Beach Hazards Statement for: Coastal North Bay Including Point Reyes National Seashore; Northern Monterey Bay
3. Beach Hazards Statement for: Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
4. Extreme Heat Warning for: Coachella Valley; San Diego County Deserts
5. Extreme Heat Warning for: Indian Wells Valley; Mojave Desert Slopes; Mojave Desert
6. Extreme Heat Warning for: San Gorgonio Pass Near Banning
7. Extreme Heat Warning for: Western Antelope Valley Foothills; Eastern Antelope Valley Foothills; Antelope Valley
8. Extreme Heat Warning for: Western Siskiyou County; Central Siskiyou County
9. Heat Advisory for: Cuyama Valley; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains
10. Heat Advisory for: North Central and Southeast Siskiyou County; Northeast Siskiyou and Northwest Modoc Counties; Modoc County; Klamath Basin
11. Heat Advisory for: Northern Humboldt Interior
12. Heat Advisory for: Northern Trinity
13. Heat Advisory for: Riverside County Mountains; San Diego County Mountains
14. Heat Advisory for: San Bernardino and Riverside County Valleys-The Inland Empire
15. Heat Advisory for: San Bernardino County Mountains
16. Heat Advisory for: Santa Ynez Mountains Western Range
17. Heat Advisory for: South Central Siskiyou County
18. Heat Advisory for: Surprise Valley California; Lassen-Eastern Plumas-Eastern Sierra Counties; Mineral and Southern Lyon Counties; Greater Reno-Carson City-Minden Area; Western Nevada Basin and Range including Pyramid Lake; Northern Washoe County
19. Heat Advisory for: West Side Mountains north of 198; Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills
20. Wind Advisory for: Santa Barbara County Southwestern Coast
21. Wind Advisory for: Santa Ynez Mountains Western Range
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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
Weather Topic: What are Mammatus Clouds?
Home - Education - Cloud Types - Mammatus Clouds
Next Topic: Nimbostratus Clouds
A mammatus cloud is a cloud with a unique feature which resembles
a web of pouches hanging along the base of the cloud.
In the United States, mammatus clouds tend to form in the warmer months, commonly
in the Midwest and eastern regions.
While they usually form at the bottom of a cumulonimbis cloud, they can also form
under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds
warn that severe weather is close.
Next Topic: Nimbostratus Clouds
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