Weather Alerts for Louisiana
1. Flood Warning for: Ascension, LA
2. Flood Warning for: Beauregard, LA; Calcasieu, LA; Newton, TX; Orange, TX
3. Flood Warning for: Bienville, LA; Bossier, LA; Red River, LA; Webster, LA
4. Flood Warning for: Bienville, LA; Bossier, LA; Webster, LA
5. Flood Warning for: Bossier, LA
6. Flood Warning for: Bossier, LA; Webster, LA
7. Flood Warning for: Caddo, LA; De Soto, LA
8. Flood Warning for: Calcasieu, LA
9. Flood Warning for: Calcasieu, LA
10. Flood Warning for: Caldwell, LA; Grant, LA; La Salle, LA; Winn, LA
11. Flood Warning for: Concordia, LA; Adams, MS; Wilkinson, MS
12. Flood Warning for: East Baton Rouge, LA; Pointe Coupee, LA; West Feliciana, LA
13. Flood Warning for: East Baton Rouge, LA; West Baton Rouge, LA
14. Flood Warning for: Franklin, LA
15. Flood Warning for: Madison, LA; Tensas, LA; Claiborne, MS; Jefferson, MS; Warren, MS
16. Flood Warning for: Rapides, LA
17. Flood Warning for: St. Charles, LA; St. James, LA; St. John The Baptist, LA
18. Flood Warning for: St. Martin, LA; St. Mary, LA
19. Flood Watch for: Pointe Coupee; West Feliciana; East Feliciana; St. Helena; Washington; Iberville; West Baton Rouge; East Baton Rouge; Assumption; St. James; St. John The Baptist; Upper Lafourche; St. Charles; Upper St. Bernard; Upper Terrebonne; Lower Terrebonne; Lower Lafourche; Coastal Jefferson; Lower Plaquemines; Lower St. Bernard; Northern Tangipahoa; Southeast St. Tammany; Western Orleans; Eastern Orleans; Northern St. Tammany; Southwestern St. Tammany; Central Tangipahoa; Lower Tangipahoa; Northern Livingston; Southern Livingston; Western Ascension; Eastern Ascension; Upper Jefferson; Lower Jefferson; Upper Plaquemines; Central Plaquemines; Wilkinson; Amite; Pike; Walthall; Pearl River; Northern Hancock; Northern Harrison; Northern Jackson; Southern Hancock; Southern Harrison; Southern Jackson
20. Flood Watch for: Vernon; Rapides; Avoyelles; Beauregard; Allen; Evangeline; St. Landry; Lafayette; Upper St. Martin; Lower St. Martin; West Cameron; East Cameron; Northern Calcasieu; Northern Jefferson Davis; Northern Acadia; Upper Vermilion; Upper Iberia; Upper St. Mary; Southern Calcasieu; Southern Jefferson Davis; Southern Acadia; Lower Vermilion; Lower Iberia; Lower St. Mary; Tyler; Hardin; Northern Jasper; Northern Newton; Southern Jasper; Southern Newton; Upper Jefferson; Northern Orange; Lower Jefferson; Southern Orange
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Weather Topic: What is Precipitation?
Home - Education - Precipitation - Precipitation
Next Topic: Rain
Precipitation can refer to many different forms of water that
may fall from clouds. Precipitation occurs after a cloud has become saturated to
the point where its water particles are more dense than the air below the cloud.
In most cases, precipitation will reach the ground, but it is not uncommon for
precipitation to evaporate before it reaches the earth's surface.
When precipitation evaporates before it contacts the ground it is called Virga.
Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog
and mist are not considered precipitation because the water vapor which
constitutes them isn't dense enough to fall to the ground.
Next Topic: Rain
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
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