Weather Alerts for California
1. Avalanche Warning for: Greater Lake Tahoe Area; Greater Lake Tahoe Area
2. Beach Hazards Statement for: Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast
3. Coastal Flood Advisory for: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches
4. Coastal Flood Advisory for: Ventura County Beaches
5. Cold Weather Advisory for: North Bay Interior Mountains; North Bay Interior Valleys; Southern Salinas Valley/Arroyo Seco and Lake San Antonio
6. Cold Weather Advisory for: Santa Cruz Mountains; Santa Clara Valley Including San Jose
7. Cold Weather Advisory for: Southeastern Mendocino Interior; Southern Lake County
8. Extreme Cold Warning for: Eastern Santa Clara Hills
9. Extreme Cold Warning for: Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park
10. High Surf Advisory for: Malibu Coast; Los Angeles County Beaches
11. High Surf Advisory for: San Diego County Coastal Areas; Orange County Coastal
12. High Surf Advisory 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
13. High Surf Advisory for: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches
14. High Surf Advisory for: Ventura County Beaches
15. Wind Advisory for: Apple and Lucerne Valleys
16. Wind Advisory for: Coachella Valley
17. Wind Advisory for: Imperial County Southwest
18. Wind Advisory for: Joshua Tree NP West; Joshua Tree NP East; Salton Sea; Chuckwalla Mountains; Imperial County West; Chiriaco Summit; Palo Verde Valley; Chuckwalla Valley
19. Wind Advisory for: Northern Sacramento Valley; Central Sacramento Valley; Southern Sacramento Valley
20. Wind Advisory for: San Diego County Deserts
21. Wind Advisory for: San Gorgonio Pass Near Banning
22. Wind Advisory for: Santa Barbara County Southeastern Coast; Santa Ynez Mountains Eastern Range
23. Wind Advisory for: West Side Mountains north of 198; West Side Mountains South of 198; Buena Vista; Indian Wells Valley; Mojave Desert Slopes; Mojave Desert
24. Wind Advisory for: Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin
25. Winter Storm Warning for: Grapevine
26. Winter Storm Warning for: Mariposa-Madera Lower Sierra; Fresno-Tulare Lower Sierra; South End of the Lower Sierra; Yosemite NP outside of the valley; Yosemite Valley; San Joaquin River Canyon; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Grant Grove Area; Sequoia NP; South End of the Upper Sierra
27. Winter Storm Warning for: Northern Ventura County Mountains; Eastern San Gabriel Mountains
28. Winter Storm Warning for: Piute Walker Basin; Tehachapi; Frazier Mountain Communities
29. Winter Storm Warning for: Riverside County Mountains
30. Winter Storm Warning for: San Bernardino County Mountains
31. Winter Storm Warning for: Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Interstate 5 Corridor
32. Winter Storm Warning for: Shasta Lake Area / Northern Shasta County; Burney Basin / Eastern Shasta County; Northern Sacramento Valley; Mountains Southwestern Shasta County to Western Colusa County; Northeast Foothills/Sacramento Valley; Motherlode; Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
33. Winter Storm Warning for: South Central Siskiyou County; North Central and Southeast Siskiyou County
34. Winter Storm Warning for: Western San Gabriel Mountains and Highway 14 Corridor; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills
35. Winter Storm Warning for: Western Siskiyou County
36. Winter Weather Advisory for: Central Siskiyou County
37. Winter Weather Advisory for: Eastern Santa Clara Hills
38. Winter Weather Advisory for: Lassen-Eastern Plumas-Eastern Sierra Counties; Greater Lake Tahoe Area; Mono; Greater Lake Tahoe Area
39. Winter Weather 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
40. Winter Weather Advisory for: San Diego County Mountains
41. Winter Weather Advisory for: Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park
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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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