Weather Alert in California

Recent Locations: Culbertson, MT   Carpio, ND   National City, CA  

Severe Thunderstorm Warning issued August 25 at 2:04PM PDT until August 25 at 3:00PM PDT by NWS San Diego CA

AREAS AFFECTED: San Diego, CA

DESCRIPTION: SVRSGX The National Weather Service in San Diego has issued a * Severe Thunderstorm Warning for... East central San Diego County in southwestern California... * Until 300 PM PDT. * At 204 PM PDT, a severe thunderstorm was located near Hwy S2 Between Shelter Valley And Agua Caliente, or near Hwy 78 Between S2 And Borrego Springs Rd, moving southeast at 10 mph. HAZARD...70 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Hwy 78 Between Banner And S2, Hwy 78 Between S2 And Borrego Springs Rd, Hwy S2 Between Shelter Valley And Agua Caliente, Fish Creek Wash, Hwy S2 Between Hwy 79 And Hwy 78, and Shelter Valley.

INSTRUCTION: For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

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Weather Topic: What is Hail?

Home - Education - Precipitation - Hail

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

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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