Weather Alert in Texas
Flood Warning issued July 12 at 11:37PM CDT until July 13 at 11:49AM CDT by NWS Fort Worth TX
AREAS AFFECTED: Dallas, TX
DESCRIPTION: ...Observed flooding changed to Minor severity and increased in duration for the following rivers in Texas... White Rock Creek Near White Rock Creek At Greenville Ave affecting Dallas County. * WHAT...Minor flooding is occurring. * WHERE...White Rock Creek near White Rock Creek At Greenville Ave. * WHEN...Until late tomorrow morning. * IMPACTS...At 88.0 feet, Moderate flooding will occur along the creek. Ball fields at Moss Park are completely flooded. * ADDITIONAL DETAILS... - At 11:15 PM CDT Saturday the stage was 87.4 feet. - Bankfull stage is 84.0 feet. - Flood stage is 84.0 feet. - Forecast...The river is expected to fall below flood stage late this evening.
INSTRUCTION: Do not drive cars through flooded areas. Caution is urged when walking near riverbanks. Additional information is available at www.water.noaa.gov/wfo/FWD.
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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
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
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