Weather Alerts for California
1. Air Quality Alert for: Coachella Valley; San Gorgonio Pass Near Banning
2. Air Quality Alert for: Santa Clarita Valley; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains
3. Beach Hazards Statement for: Catalina and Santa Barbara Islands; Malibu Coast; Los Angeles County Beaches
4. Beach Hazards Statement for: San Diego County Coastal Areas; Orange County Coastal
5. Beach Hazards Statement for: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches
6. Freeze Warning 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
7. Freeze Watch 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
8. Heat Advisory for: Santa Barbara County Southeastern Coast; Santa Ynez Mountains Eastern Range
9. Heat Advisory for: Santa Barbara County Southwestern Coast; Santa Ynez Mountains Western Range
10. High Surf Advisory for: Ventura County Beaches
11. High Wind Warning for: Mojave Desert Slopes
12. High Wind Warning for: Santa Barbara County Interior Mountains
13. High Wind Warning for: Santa Barbara County Southeastern Coast; Santa Ynez Mountains Eastern Range
14. High Wind Warning for: Santa Barbara County Southwestern Coast; Santa Ynez Mountains Western Range
15. High Wind Warning for: Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor; Western Antelope Valley Foothills
16. Red Flag Warning for: Lake County Portion of Lake-Napa-Sonoma Unit
17. Red Flag Warning for: Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft; Central Sacramento Valley including Glenn/Colusa/Yuba/Northern Sutter/Butte County Below 1000 Ft; Southern Sacramento Valley In Yolo/Sacramento/Far Western Placer/Southern Sutter and Solano County Below 1000 Ft - Excludes the Delta; Southeast Edge Shasta/Trinity NF and Western Portions of Tehama/Glenn RU; Northern Sierra Foothills from 1000 to 3000 Ft. Includes Nevada-Yuba-Placer RU and Anador-Eldorado RU; Eastern Mendocino NF
18. Wind Advisory for: Lake Casitas; Antelope Valley
19. Wind Advisory for: Santa Clarita Valley
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Current U.S. National Radar--Current
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National Weather Forecast--Current
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National Weather Forecast for Tomorrow
Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.
North America Water Vapor (Moisture)
This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.
Weather Topic: What are Fractus Clouds?
Home - Education - Cloud Types - Fractus Clouds
Next Topic: Freezing Rain
A fractus cloud (scud) is a fragmented, tattered cloud which has
likely been sheared off of another cloud. They are accessory clouds, meaning they
develop from parent clouds, and are named in a way which describes the original
cloud which contained them.
Fractus clouds which have originated from cumulus clouds are referred to as
cumulus fractus, while fractus clouds which have originated from stratus clouds
are referred to as stratus fractus. Under certain conditions a fractus cloud might
merge with another cloud, or develop into a cumulus cloud, but usually a
fractus cloud seen by itself will dissipate rapidly.
They are often observed on the leading and trailing edges of storm clouds,
and are a display of wind activity.
Next Topic: Freezing Rain
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
