Weather Alert in Texas

Recent Locations: Austin, TX

Current Alerts for Austin, TX: Severe Thunderstorm Watch

Severe Thunderstorm Watch issued May 6 at 3:31AM CDT until May 6 at 10:00AM CDT by NWS San Angelo TX

AREAS AFFECTED: Irion, TX; Sterling, TX; Tom Green, TX

DESCRIPTION: THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 230 UNTIL 10 AM CDT THIS MORNING WHICH REPLACES A PORTION OF TORNADO WATCH 229. THE NEW WATCH IS VALID FOR THE FOLLOWING AREAS IN TEXAS THE NEW WATCH INCLUDES 3 COUNTIES IN WEST CENTRAL TEXAS IRION STERLING TOM GREEN THIS INCLUDES THE CITIES OF ARDEN, BARNHART, BROOME, CARLSBAD, MERTZON, SAN ANGELO, SHERWOOD, STERLING CITY, AND WALL.

INSTRUCTION: N/A

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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 Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

Next Topic: Condensation

Cirrus clouds are high-level clouds that occur above 20,000 feet and are composed mainly of ice crystals. They are thin and wispy in appearance.

What do they indicate?
They are often the first sign of an approaching storm.

Next Topic: Condensation

Weather Topic: What are Contrails?

Home - Education - Cloud Types - Contrails

Next Topic: Cumulonimbus Clouds

A contrail is an artificial cloud, created by the passing of an aircraft.

Contrails form because water vapor in the exhaust of aircraft engines is suspended in the air under certain temperatures and humidity conditions. These contrails are called exhaust contrails.

Another type of contrail can form due to a temporary reduction in air pressure moving over the plane's surface, causing condensation. These are called aerodynamic contrails.

When you can see your breath on a cold day, it is also because of condensation. The reason contrails last longer than the condensation from your breath is because the water in contrails freezes into ice particles.

Next Topic: Cumulonimbus Clouds