Weather Alerts for California
1. Extreme Heat Warning for: Apple and Lucerne Valleys
2. Extreme Heat Warning for: Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning
3. Extreme Heat Warning for: Coalinga - Avenal; Fresno-Clovis; West Side Mountains South of 198; Buena Vista; Bakersfield; South End San Joaquin Valley; Fresno-Tulare Foothills; South End Sierra Foothills
4. Extreme Heat Warning for: Cuyama Valley; Santa Clarita Valley; Santa Lucia Mountains; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Ynez Valley; Santa Barbara County Interior Mountains; Western Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills; Antelope Valley; Los Angeles County San Gabriel Valley
5. Extreme Heat Warning for: Indian Wells Valley; Mojave Desert Slopes; Mojave Desert
6. Extreme Heat Warning for: Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Los Angeles County Inland Coast including Downtown Los Angeles; Eastern Santa Monica Mountains Recreational Area
7. Extreme Heat Warning for: West Side Mountains north of 198; Mariposa Madera Foothills
8. Extreme Heat Warning for: Western Siskiyou County; Central Siskiyou County
9. Flood Advisory for: Fresno, CA
10. Flood Advisory for: Tulare, CA
11. Flood Watch for: Mono; Mineral and Southern Lyon Counties; Greater Reno-Carson City-Minden Area
12. Heat Advisory for: Catalina and Santa Barbara Islands; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Ventura County Inland Coast; Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills
13. Heat Advisory for: Lake Casitas; Ojai Valley; Central Ventura County Valleys
14. Heat Advisory for: Lassen-Eastern Plumas-Eastern Sierra Counties
15. Heat Advisory for: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling
16. Heat Advisory for: North Bay Interior Mountains; East Bay Interior Valleys; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; East Bay Hills
17. Heat Advisory for: North Central and Southeast Siskiyou County; Northeast Siskiyou and Northwest Modoc Counties; Modoc County; South Central Oregon Cascades; Siskiyou Mountains and Southern Oregon Cascades; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County
18. Heat Advisory for: Northern Humboldt Interior; Southern Humboldt Interior; Northwestern Mendocino Interior; Southeastern Mendocino Interior
19. Heat Advisory for: Northern Trinity; Southern Trinity; Northeastern Mendocino Interior; Northern Lake County; Southern Lake County
20. Heat Advisory for: San Bernardino and Riverside County Valleys-The Inland Empire
21. Heat Advisory for: San Diego County Inland Valleys
22. Heat Advisory for: Santa Ana Mountains and Foothills; Orange County Inland
23. Heat Advisory for: Shasta Lake Area / Northern Shasta County; Northern Sacramento Valley; Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley; Mountains Southwestern Shasta County to Western Colusa County
24. Heat Advisory for: South Central Siskiyou County
25. Heat Advisory for: Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park
26. Heat Advisory for: West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Southeast San Joaquin Valley; Kern River Valley
27. Red Flag Warning for: Cuyama Valley; Santa Clarita Valley; San Luis Obispo County Mountains; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Santa Susana Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills
28. Red Flag Warning for: Fort Tejon
29. Special Weather Statement for: Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Southeast San Joaquin Valley
30. Special Weather Statement for: Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End of the Lower Sierra; Kings Canyon NP; Grant Grove Area; Sequoia NP; South End of the Upper Sierra
31. Special Weather Statement for: Kaiser to Rodgers Ridge; Kings Canyon NP; Grant Grove Area
32. Special Weather Statement for: West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Buena Vista; South End San Joaquin Valley
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Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds
Weather Topic: What are Stratus Clouds?
Home - Education - Cloud Types - Stratus Clouds
Next Topic: Wall Clouds
Stratus clouds are similar to altostratus clouds, but form at a
lower altitude and are identified by their fog-like appearance, lacking the
distinguishing features of most clouds.
Stratus clouds are wider than most clouds, and their base has a smooth, uniform
look which is lighter in color than a nimbostratus cloud.
The presence of a stratus cloud indicates the possibility of minor precipitation,
such as drizzle, but heavier precipitation does not typically arrive in the form
of a stratus cloud.
Next Topic: Wall Clouds
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