Weather Alerts for Louisiana

Recent Locations: Hahnville, LA  

1. Flood Warning for: Beauregard, LA; Calcasieu, LA; Newton, TX; Orange, TX

2. Flood Warning for: Bienville, LA; Bossier, LA; Red River, LA; Webster, LA

3. Flood Warning for: Bienville, LA; Bossier, LA; Webster, LA

4. Flood Warning for: Bossier, LA; Webster, LA

5. Flood Warning for: St. Tammany, LA; Hancock, MS; Pearl River, MS

6. Flood Warning for: Washington, LA; Pearl River, MS

7. Freeze Warning for: Caddo; Bossier; Webster; Lincoln; Bienville; Jackson; Ouachita; Winn; Grant; Caldwell; La Salle; Red River; Franklin; Titus; Camp; Morris; Cass; Wood; Upshur; Marion; Harrison

8. Freeze Warning for: Pointe Coupee; West Feliciana; East Feliciana; St. Helena; Washington; Northern Tangipahoa; Wilkinson; Amite; Pike; Walthall; Pearl River

9. Freeze Warning for: Rapides; Avoyelles; Evangeline

10. Freeze Warning for: St. Landry

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Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

Current U.S. National Radar

National Weather Forecast--Current

The Current National Weather Forecast and National Weather Map are shown below.

Today's National Weather Map

National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

Tomorrows National Weather Map

North America Water Vapor (Moisture)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.

North American Water Vapor Map

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.

Next Topic: Precipitation

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