Weather Alert in Louisiana

Recent Locations: Alexandria, LA  

Flood Warning issued May 6 at 11:20AM CDT by NWS New Orleans LA

AREAS AFFECTED: St. Tammany, LA; Hancock, MS; Pearl River, MS

DESCRIPTION: ...The National Weather Service in New Orleans LA has issued a Flood Warning for the following rivers in Louisiana...Mississippi... Pearl River Near Bogalusa affecting Washington and Pearl River Counties. Pearl River Near Pearl River affecting St. Tammany, Hancock and Pearl River Counties. For the Lower Pearl River...including Bogalusa, Pearl River...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Pearl River near Pearl River. * WHEN...From Saturday morning until further notice. * IMPACTS...At 16.0 feet, Lower portions of streets in River Gardens Subdivision will begin to flood. Secondary roads to the river and throughout Honey Island Swamp will remain inundated. Property in the vicinity of the gage is flooded threatening about 20 homes along the left bank. The Bogue Chitto National Wildlife Refuge will be closed to hunting at the 15.5 foot stage. * ADDITIONAL DETAILS... - At 11:00 AM CDT Tuesday the stage was 11.2 feet. - Bankfull stage is 12.0 feet. - Forecast...The river is expected to rise above flood stage late Saturday morning and continue rising to a crest of 16.0 feet Tuesday, May 13. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood

INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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 330 AM CDT.

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Weather Topic: What are Contrails?

Home - Education - Cloud Types - Contrails

Contrails Next Topic: Cumulonimbus Clouds

A contrail is an artificial cloud, created by the passing of an aircraft.

Contrails form because water vapor in the exhaust of aircraft engines is suspended in the air under certain temperatures and humidity conditions. These contrails are called exhaust contrails.

Another type of contrail can form due to a temporary reduction in air pressure moving over the plane's surface, causing condensation. These are called aerodynamic contrails.

When you can see your breath on a cold day, it is also because of condensation. The reason contrails last longer than the condensation from your breath is because the water in contrails freezes into ice particles.

Next Topic: Cumulonimbus Clouds

Weather Topic: What are Cumulus Clouds?

Home - Education - Cloud Types - Cumulus Clouds

Cumulus Clouds Next Topic: Drizzle

Cumulus clouds are fluffy and textured with rounded tops, and may have flat bottoms. The border of a cumulus cloud is clearly defined, and can have the appearance of cotton or cauliflower.

Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall, becoming cumulus congestus and possibly the even taller cumulonimbus clouds. When cumulus clouds become taller, they have a greater chance of producing precipitation.

Next Topic: Drizzle

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