Weather Alert in Louisiana

Recent Locations: Phoenix, AZ   New Orleans, LA  

Flood Warning issued April 24 at 10:47AM CDT until May 8 at 10:00PM CDT by NWS New Orleans LA

AREAS AFFECTED: St. Charles, LA; St. James, LA; St. John The Baptist, LA

DESCRIPTION: ...The Flood Warning is extended for the following rivers in Louisiana... Mississippi River At Reserve affecting St. John The Baptist, St. Charles and St. James Parishes. Mississippi River At Donaldsonville affecting Ascension Parish. Mississippi River At Red River Landing affecting East Baton Rouge, Pointe Coupee and West Feliciana Parishes. ...The Flood Warning continues for the following rivers in Louisiana... Mississippi River At Baton Rouge affecting West Baton Rouge and East Baton Rouge Parishes. For the Lower Mississippi River...including Red River Landing, Baton Rouge, Donaldsonville, Reserve, New Orleans...Major flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Reserve. * WHEN...Until Thursday, May 08. * IMPACTS...At 24.0 feet, Slow-bell procedures will be enacted for river transportation. * ADDITIONAL DETAILS... - At 9:00 AM CDT Thursday the stage was 22.2 feet. - Bankfull stage is 15.0 feet. - Forecast...The river is expected to rise to a crest of 23.5 feet Thursday, May 1st. The river is expected to fall below flood stage Thursday, May 8th. - Flood stage is 22.0 feet. - http://www.weather.gov/safety/flood

INSTRUCTION: Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov/lix. Click on the Rivers and Lakes menu for forecasts and observations. The next statement will be issued late tonight at 300 AM CDT.

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Weather Topic: What are Nimbostratus Clouds?

Home - Education - Cloud Types - Nimbostratus Clouds

Nimbostratus Clouds Next Topic: Precipitation

A nimbostratus cloud is similar to a stratus cloud in its formless, smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud, because it is thicker.

Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat of moderate to heavy precipitation. In some cases, the precipitation may evaporate before reaching the ground, a phenomenon known as virga.

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Weather Topic: What is Rain?

Home - Education - Precipitation - Rain

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

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