Weather Alerts for California
High Wind Warning Wind Advisory
1. Beach Hazards Statement for: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
2. Flood Advisory for: Lake, CA
3. Flood Advisory for: Marin, CA; Sonoma, CA
4. Flood Advisory for: Mendocino, CA
5. Flood Advisory for: San Francisco, CA; San Mateo, CA; Santa Clara, CA
6. Flood Advisory for: San Mateo, CA; Santa Cruz, CA
7. Flood Watch for: Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; Yosemite Valley; San Joaquin River Canyon
8. Flood Watch for: Northwestern Mendocino Interior; Northeastern Mendocino Interior; Southwestern Mendocino Interior; Southeastern Mendocino Interior; Northern Lake County; Southern Lake County
9. Flood Watch for: South End Sierra Foothills; South End of the Lower Sierra; Kern River Valley; Piute Walker Basin; Tehachapi; Grapevine; Frazier Mountain Communities; Indian Wells Valley; Mojave Desert Slopes; Mojave Desert
10. High Surf Advisory for: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches
11. High Surf Advisory for: Ventura County Beaches
12. High Wind Warning for: Central Siskiyou County
13. High Wind Warning for: Marin Coastal Range; Coastal North Bay Including Point Reyes National Seashore
14. High Wind Warning for: Mendocino Coast
15. High Wind Warning for: San Francisco; San Francisco Peninsula Coast
16. Wind Advisory for: Coastal Del Norte
17. Wind Advisory for: Del Norte Interior
18. Wind Advisory for: Greater Lake Tahoe Area; Greater Lake Tahoe Area
19. Wind Advisory for: Indian Wells Valley; Mojave Desert Slopes; Mojave Desert
20. Wind Advisory for: Mendocino Coast
21. Wind Advisory for: Northeast Siskiyou and Northwest Modoc Counties; Modoc County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County
22. Wind Advisory for: Northern Humboldt Coast
23. Wind Advisory for: Northern Lake County; Southern Lake County
24. Wind Advisory for: Northern Sacramento Valley; Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley; Northeast Foothills/Sacramento Valley
25. Wind Advisory for: Northern Trinity; Southern Trinity
26. Wind Advisory for: Northwestern Mendocino Interior; Northeastern Mendocino Interior; Southwestern Mendocino Interior; Southeastern Mendocino Interior
27. Wind Advisory for: Owens Valley; Esmeralda and Central Nye County
28. Wind Advisory for: San Francisco Bay Shoreline; East Bay Interior Valleys; Santa Cruz Mountains; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; East Bay Hills; 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; Northern Salinas Valley/Hollister Valley and Carmel Valley; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
29. Wind Advisory for: San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Lucia Mountains; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Ynez Valley
30. Wind Advisory for: Sonoma Coastal Range; North Bay Interior Mountains; North Bay Interior Valleys
31. Wind Advisory for: Southwestern Humboldt; Northern Humboldt Interior; Southern Humboldt Interior
32. Wind Advisory for: West Side Mountains north of 198; Los Banos - Dos Palos; Coalinga - Avenal; West Side of Fresno and Kings Counties; West Side Mountains South of 198; Buena Vista
33. Winter Storm Warning for: Mono
34. Winter Storm Warning for: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Grant Grove Area; Sequoia NP; South End of the Upper Sierra
35. Winter Weather Advisory for: Eastern Sierra Slopes of Inyo County
36. Winter Weather Advisory for: Greater Lake Tahoe Area; Greater Lake Tahoe Area
37. Winter Weather Advisory for: West Slope Northern Sierra Nevada
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Weather Topic: What is Graupel?
Home - Education - Precipitation - Graupel
Next Topic: Hail
Graupel is a form of precipitation that is created by atmospheric conditions
which cause supercooled water droplets to contact snow crystals and freeze to
their surface.
Sometimes known as soft hail or snow pellets, graupel is delicate and easily
destroyed by touch. Whereas hail usually falls during severe weather, graupel
doesn't require such conditions to form, and can form in mild precipitation
similar to situations which produce snowfall.
Next Topic: Hail
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
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