Weather Alert in Texas
Flood Warning issued July 4 at 8:02PM CDT by NWS Midland/Odessa TX
AREAS AFFECTED: Brewster, TX
DESCRIPTION: ...The Flood Warning continues for the following rivers in Texas... Rio Grande at Johnson Ranch near Castolon, Texas affecting Brewster County. For the Rio Grande...including Rio Grande at Johnson Ranch near Castolon, Texas...Major flooding is forecast. * WHAT...Major flooding is occurring and major flooding is forecast to continue through early Saturday evening before decreasing to moderate flooding. * WHERE...Rio Grande at Rio Grande at Johnson Ranch near Castolon, Texas. * WHEN...Until further notice. * IMPACTS...At 12.0 feet (3.7 meters), the river reaches bankfull, minor lowland flooding occurs, and no significant damage is expected. At 15.0 feet (4.6 meters), flood stage is reached. Moderate lowland flooding begins. Roads that lead to Cottonwood Campground and River Road may flood. Stages are practically synonymous with the gage at Cottonwood Campground at Castolon (CSTT2), and therefore represent the reach from Santa Elena Canyon through Cottonwood Campground, where damage may occur. Cattle also graze in the lowlands, and may be threatened. At 19.0 feet (5.8 meters), the river reaches major flood stage. Flooding begins to occur upstream in Cottonwood Campground at Castolon, as stages at each location are practically synonymous. Moderate lowland flooding begins at the gage site, but no damage occurs. The gage is inaccessible, as River Road is impassable at several locations. * ADDITIONAL DETAILS... - At 7:15 PM CDT Friday the stage was 19.7 feet (6.0 meters). - Bankfull stage is 12.0 feet (3.7 meters). - Recent Activity...The maximum river stage in the 24 hours ending at 7:15 PM CDT Friday was 19.9 feet (6.1 meters). - Forecast...The river is expected to rise to a crest of 19.4 feet (5.9 meters) late tomorrow evening. - Flood stage is 15.0 feet (4.6 meters). - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov/maf. The next statement will be issued Saturday morning at 1000 AM CDT.
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Weather Topic: What are Mammatus Clouds?
Home - Education - Cloud Types - Mammatus Clouds
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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.
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Weather Topic: What is Precipitation?
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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.
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