Weather Alert in Louisiana
Flood Warning issued May 28 at 9:02PM CDT until May 30 at 10:00PM CDT by NWS Lake Charles LA
AREAS AFFECTED: Lafayette, LA; Vermilion, LA
DESCRIPTION: ...The National Weather Service in Lake Charles LA has issued a Flood Warning for the following rivers in Louisiana... Calcasieu River Near Salt Water Barrier Vermilion River At Lafayette, Surrey Street Gage Additional information is available at www.weather.gov. * WHAT...Minor flooding is forecast. * WHERE...Vermilion River at Lafayette, Surrey Street Gage. * WHEN...From Thursday afternoon to late Friday evening. * IMPACTS...At 10.0 feet, Minor flooding of Heymann Park off of Highway 90 will occur. * ADDITIONAL DETAILS... - At 8:15 PM CDT Wednesday the stage was 9.3 feet. - Forecast...The river is expected to rise above flood stage early tomorrow afternoon to a crest of 10.5 feet tomorrow evening. It will then fall below flood stage late Friday morning. - Flood stage is 10.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: N/A
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Weather Topic: What is Rain?
Home - Education - Precipitation - Rain
Next Topic: Shelf Clouds
Precipitation in the form of water droplets is called rain.
Rain generally has a tendency to fall with less intensity over a greater period
of time, and when rainfall is more severe it is usually less sustained.
Rain is the most common form of precipitation and happens with greater frequency
depending on the season and regional influences. Cities have been shown to have
an observable effect on rainfall, due to an effect called the urban heat island.
Compared to upwind, monthly rainfall between twenty and forty miles downwind of
cities is 30% greater.
Next Topic: Shelf Clouds
Weather Topic: What is Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
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