Weather Alerts for California

Recent Locations: Bradford, OH Heber, CA Patton, CA

Current Alerts for Patton, CA: Flash Flood Warning Flood Advisory
Severe Thunderstorm Warning

1. Flash Flood Warning for: Nevada, CA; Sierra, CA; Washoe, NV

2. Flash Flood Warning for: Riverside, CA; San Diego, CA

3. Flash Flood Warning for: San Bernardino, CA

4. Flash Flood Warning for: San Bernardino, CA

5. Flash Flood Warning for: Trinity, CA

6. Flood Advisory for: Kern, CA

7. Flood Advisory for: Kern, CA

8. Flood Advisory for: Lassen, CA; Plumas, CA

9. Flood Advisory for: Riverside, CA

10. Flood Advisory for: Riverside, CA

11. Flood Advisory for: Riverside, CA; San Bernardino, CA

12. Flood Advisory for: San Bernardino, CA

13. Flood Advisory for: San Bernardino, CA

14. Flood Watch for: Eastern Sierra Slopes of Inyo County; Owens Valley; White Mountains of Inyo County; Death Valley National Park; Esmeralda and Central Nye County

15. Flood Watch for: Lassen-Eastern Plumas-Eastern Sierra Counties; Greater Lake Tahoe Area; Mono; Mineral and Southern Lyon Counties; Greater Lake Tahoe Area; Greater Reno-Carson City-Minden Area

16. Flood Watch 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; Kern River Valley; Piute Walker Basin

17. Red Flag Warning for: Central Siskiyou County Including Shasta Valley; Siskiyou County from the Cascade Mountains East and South to Mt Shasta; Modoc County Except for the Surprise Valley; Umpqua National Forest; Southern Oregon Cascades; Klamath Basin and the Fremont-Winema National Forest; South Central Oregon Desert including the BLM Land in Eastern Lake and Western Harney Counties

18. Red Flag Warning for: Central Siskiyou County Including Shasta Valley; Siskiyou County from the Cascade Mountains East and South to Mt Shasta; Modoc County Except for the Surprise Valley; Umpqua National Forest; Southern Oregon Cascades; Klamath Basin and the Fremont-Winema National Forest; South Central Oregon Desert including the BLM Land in Eastern Lake and Western Harney Counties

19. Red Flag Warning for: Trinity

20. Red Flag Warning for: Western Klamath National Forest; Shasta-Trinity National Forest in Siskiyou County; Western Rogue Basin including the Illinois Valley; Siskiyou Mountains; Eastern Rogue Valley

21. Severe Thunderstorm Warning for: Inyo, CA; San Bernardino, CA

22. Special Weather Statement for: Northern Trinity

23. Special Weather Statement for: Northern Trinity

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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

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North America Water Vapor (Moisture)

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Weather Topic: What are Fractus Clouds?

Home - Education - Cloud Types - Fractus Clouds

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

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