Weather Alert in California
Severe Thunderstorm Warning issued February 18 at 1:26AM PST until February 18 at 2:30AM PST by NWS San Diego CA
AREAS AFFECTED: Orange, CA; Riverside, CA; San Bernardino, CA
DESCRIPTION: SVRSGX The National Weather Service in San Diego has issued a * Severe Thunderstorm Warning for... San Bernardino County in southern California... Riverside County in southern California... Orange County in southwestern California... * Until 230 AM PST. * At 124 AM PST, a band of severe thunderstorms was located near the the Los Angeles Orange County line moving slowly southeast. It will move through northern Orange County and the northwest Inland Empire through 230 AM PST. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Anaheim, Santa Ana, Riverside, Irvine, Fontana, Moreno Valley, Huntington Beach, Garden Grove, Ontario, Corona, Orange, Fullerton, Costa Mesa, Rialto, Mission Viejo, Chino, Tustin, Yorba Linda, Stanton, and Seal Beach.
INSTRUCTION: For your protection move to an interior room on the lowest floor of a building.
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Weather Topic: What is Hail?
Home - Education - Precipitation - Hail
Next Topic: Hole Punch Clouds
Hail is a form of precipitation which is recognized by large solid balls or
clumps of ice. Hail is created by thunderstorm clouds with strong updrafts of wind.
As the hailstones remain in the updraft, ice is deposited onto them until their
weight becomes heavy enough for them to fall to the earth's surface.
Hail storms can cause significant damage to crops, aircrafts, and man-made structures,
despite the fact that the duration is usually less than ten minutes.
Next Topic: Hole Punch Clouds
Weather Topic: What are Mammatus Clouds?
Home - Education - Cloud Types - Mammatus Clouds
Next Topic: Nimbostratus Clouds
A mammatus cloud is a cloud with a unique feature which resembles
a web of pouches hanging along the base of the cloud.
In the United States, mammatus clouds tend to form in the warmer months, commonly
in the Midwest and eastern regions.
While they usually form at the bottom of a cumulonimbis cloud, they can also form
under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds
warn that severe weather is close.
Next Topic: Nimbostratus Clouds
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