Weather Alert in Texas
Flood Watch issued May 5 at 3:20AM CDT until May 7 at 1:00AM CDT by NWS Houston/Galveston TX
AREAS AFFECTED: Houston; Trinity; Madison; Walker; San Jacinto; Polk; Brazos; Grimes
DESCRIPTION: * WHAT...Flooding caused by excessive rainfall is possible. * WHERE...A portion of southeast Texas, including the following counties, Brazos, Grimes, Houston, Madison, Polk, San Jacinto, Trinity and Walker. * WHEN...From Tuesday morning through late Tuesday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - A strong upper level disturbance should produce widespread showers and storms across the region on Tuesday. Rainfall totals of 1 to 3 inches can be broadly expected across SE Texas, though higher amounts of 3 to 6 inches will be possible in the watch area. Tuesday afternoon through Tuesday night will be the main timeframe to monitor for heavy rainfall over the current watch area, especially as some of these storms could become strong at times. Flood watch could be expanded further south heading into mid week depending on how conditions evolve. - 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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