Weather Alert in Texas
Flood Warning issued May 16 at 10:30AM CDT by NWS Houston/Galveston TX
AREAS AFFECTED: Harris, TX; Liberty, TX; Montgomery, TX
DESCRIPTION: ...Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Texas... East Fork San Jacinto near New Caney affecting Harris, Montgomery and Liberty Counties. For the East Fork San Jacinto River...including New Caney...Moderate flooding is forecast. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...East Fork San Jacinto near New Caney. * WHEN...Until further notice. * IMPACTS...At 58.0 feet, Minor lowland flooding begins in the vicinity of the gage with minor roads such as Chinquapin and Riverside Roads beginning to flood. At 62.0 feet, Moderate lowland flooding begins with secondary roads near the river inundated, including FM 1485 west of the river. * ADDITIONAL DETAILS... - At 10:00 AM CDT Thursday the stage was 59.1 feet. - Bankfull stage is 54.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Thursday was 61.5 feet. - Forecast...The river is expected to rise above flood stage tomorrow afternoon and continue rising to a crest of 65.2 feet Sunday afternoon. - Flood stage is 58.0 feet. - Flood History...This crest compares to a previous crest of 64.8 feet on 10/21/1998. - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. 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. Additional information is available at www.weather.gov/hgx. The next statement will be issued late tonight at 430 AM CDT.
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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
