Weather Alert in Louisiana
Severe Thunderstorm Warning issued February 14 at 11:12PM CST until February 15 at 12:00AM CST by NWS New Orleans LA
AREAS AFFECTED: Ascension, LA; Assumption, LA; East Baton Rouge, LA; Iberville, LA; Livingston, LA; West Baton Rouge, LA
DESCRIPTION: SVRLIX The National Weather Service in New Orleans has issued a * Severe Thunderstorm Warning for... Ascension Parish in southeastern Louisiana... West Baton Rouge Parish in southeastern Louisiana... Southwestern Livingston Parish in southeastern Louisiana... Iberville Parish in southeastern Louisiana... Southwestern East Baton Rouge Parish in southeastern Louisiana... Northwestern Assumption Parish in southeastern Louisiana... * Until midnight CST. * At 1111 PM CST, severe thunderstorms were located along a line extending from 6 miles west of Baker to near Ramah to near Lydia, moving east at 40 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Baton Rouge, Denham Springs, Gonzales, Donaldsonville, Plaquemine, Port Allen, Oak Hills Place, St. Gabriel, Walker, Addis, Brusly, White Castle, Livingston, Sorrento, French Settlement, Rosedale, Port Vincent, Grosse Tete, Westminster, and Geismar. This includes the following Interstates... Interstate 10 in Louisiana between mile markers 136 and 182. Interstate 12 between mile markers 1 and 28. Interstate 110 in Louisiana between mile markers 1 and 5.
INSTRUCTION: Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. A Tornado Watch remains in effect until 200 AM CST for southeastern Louisiana.
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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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