Weather Alert in Texas
Flood Watch issued August 14 at 3:42PM CDT until August 15 at 6:00PM CDT by NWS Brownsville TX
AREAS AFFECTED: Southern Hidalgo; Inland Cameron; Coastal Cameron; Cameron Island
DESCRIPTION: Tropical moisture related to Invest 98L could bring locally heavy rainfall possibly enhanced by organized convection could lead to possible isolated to scattered urban poor drainage flooding to Cameron and Southern Hidalgo counties along the Rio Grande Valley on Friday. * WHAT...Flooding caused by excessive rainfall is possible. * WHERE...A portion of Deep South Texas, including the following areas, Cameron Island, Coastal Cameron, Inland Cameron and Southern Hidalgo. * WHEN...From Friday morning through Friday afternoon. * IMPACTS...Excessive runoff may result in flooding of roadways as well as other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - While there is a higher than usual degree of uncertainty with the evolution of Invest 98L, there is the potential for organized convection to impact somewhere across the Lower Texas Coast. The resultant heavy rainfall could lead to possible isolated to scattered urban poor drainage flooding across Cameron and Southern Hidalgo counties on Friday. - http://www.weather.gov/safety/flood
INSTRUCTION: You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
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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
Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds
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