Weather Alert in Texas

Current Alerts for George Bush Intercontinental/Houston Airport, TX: Flood Warning

Flash Flood Warning issued June 12 at 12:40AM CDT until June 12 at 5:00AM CDT by NWS Austin/San Antonio TX

AREAS AFFECTED: Bexar, TX; Comal, TX; Guadalupe, TX; Hays, TX

DESCRIPTION: FFWEWX The National Weather Service in Austin/San Antonio has issued a * Flash Flood Warning for... Northeastern Bexar County in south central Texas... Central Comal County in south central Texas... West Central Guadalupe County in south central Texas... Central Hays County in south central Texas... * Until 500 AM CDT. * At 1240 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... San Antonio, Austin, New Braunfels, Schertz, Cibolo, Converse, Universal City, Live Oak, Selma, Dripping Springs, Wimberley, Canyon Lake Dam, Randolph AFB, San Antonio Int Airport, Canyon Lake, Alamo Heights, Windcrest, Terrell Hills, Bulverde and Garden Ridge.

INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Stay away or be swept away. River banks and culverts can become unstable and unsafe.

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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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