Weather Alert in Louisiana
Flood Advisory issued July 3 at 8:17AM CDT until July 16 at 1:00AM CDT by NWS Jackson MS
AREAS AFFECTED: Madison, LA; Tensas, LA; Claiborne, MS; Jefferson, MS; Warren, MS
DESCRIPTION: ...The Flood Advisory continues for the following rivers in Louisiana...Mississippi... Mississippi River At Vicksburg affecting Madison, Warren, Tensas, Jefferson and Claiborne Counties. * WHAT...Flooding caused by excessive rainfall continues. * WHERE...Mississippi River at Vicksburg. * WHEN...Until Wednesday, July 16. * IMPACTS...At 38.8 feet, The Vicksburg Flood Wall Gate at Crawford street is closed. * ADDITIONAL DETAILS... - At 8:00 AM CDT Thursday the stage was 37.4 feet. - Forecast...The river is expected to fall to 27.0 feet Wednesday, July 30. - Action stage is 35.0 feet. - Flood stage is 43.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: If you encounter a flooded roadway, turn around and find an alternative route. Additional information is available at www.water.noaa.gov/wfo/jan The next statement will be issued Friday morning at 830 AM CDT.
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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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