Weather Alert in Texas
Severe Thunderstorm Warning issued September 5 at 7:20PM CDT until September 5 at 8:00PM CDT by NWS Fort Worth TX
AREAS AFFECTED: Grayson, TX
DESCRIPTION: SVRFWD The National Weather Service in Fort Worth has issued a * Severe Thunderstorm Warning for... Southern Grayson County in north central Texas... * Until 800 PM CDT. * At 720 PM CDT, a severe thunderstorm was located over Gunter, or 14 miles southwest of Sherman, moving northeast at 35 mph. HAZARD...65 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * This severe thunderstorm will be near... Howe, Gunter, and Dorchester around 725 PM CDT. Sherman and Van Alstyne around 730 PM CDT. Bells around 750 PM CDT. Other locations impacted by this severe thunderstorm include Boddie, Luella, Southmayd, Ida, White Mound, Ambrose, Farmington, Elmont, and Lake Ray Roberts.
INSTRUCTION: For your protection get inside a sturdy structure and stay away from windows.
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Weather Topic: What is Precipitation?
Home - Education - Precipitation - Precipitation
Next Topic: Rain
Precipitation can refer to many different forms of water that
may fall from clouds. Precipitation occurs after a cloud has become saturated to
the point where its water particles are more dense than the air below the cloud.
In most cases, precipitation will reach the ground, but it is not uncommon for
precipitation to evaporate before it reaches the earth's surface.
When precipitation evaporates before it contacts the ground it is called Virga.
Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog
and mist are not considered precipitation because the water vapor which
constitutes them isn't dense enough to fall to the ground.
Next Topic: Rain
Weather Topic: What are Shelf Clouds?
Home - Education - Cloud Types - Shelf Clouds
Next Topic: Sleet
A shelf cloud is similar to a wall cloud, but forms at the front
of a storm cloud, instead of at the rear, where wall clouds form.
A shelf cloud is caused by a series of events set into motion by the advancing
storm; first, cool air settles along the ground where precipitation has just fallen.
As the cool air is brought in, the warmer air is displaced, and rises above it,
because it is less dense. When the warmer air reaches the bottom of the storm cloud,
it begins to cool again, and the resulting condensation is a visible shelf cloud.
Next Topic: Sleet
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