Weather Alert in Louisiana
Flood Warning issued May 9 at 12:11PM CDT until May 12 at 1:00PM CDT by NWS Lake Charles LA
AREAS AFFECTED: Allen, LA
DESCRIPTION: ...The Flood Warning is extended for the following rivers in Louisiana... Calcasieu River Near Oberlin ...The Flood Warning continues for the following rivers in Louisiana... Calcasieu River Near Kinder Calcasieu River Near Glenmora Calcasieu River near White Oak Park Calcasieu River Near Salt Water Barrier Mermentau River Near Mermentau Bayou Vermilion Near Carencro Vermilion River At Lafayette, Surrey Street Gage Additional information is available at www.weather.gov. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Calcasieu River near Oberlin. * WHEN...Until early Monday afternoon. * IMPACTS...At 15.0 feet, Moderate flooding will occur with several access roads to the river flooded. * ADDITIONAL DETAILS... - At 11:15 AM CDT Friday the stage was 15.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 11:15 AM CDT Friday was 16.2 feet. - Forecast...The river is expected to rise to a crest of 15.8 feet just after midnight tonight. It will then fall below flood stage early Monday morning. - Flood stage is 13.0 feet. - http://www.weather.gov/safety/flood
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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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