Weather Alert in Louisiana
Severe Thunderstorm Warning issued February 14 at 8:09PM CST until February 14 at 9:00PM CST by NWS Shreveport LA
AREAS AFFECTED: Grant, LA; Natchitoches, LA; Winn, LA
DESCRIPTION: SVRSHV The National Weather Service in Shreveport has issued a * Severe Thunderstorm Warning for... Grant Parish in north central Louisiana... Winn Parish in north central Louisiana... Central Natchitoches Parish in northwestern Louisiana... * Until 900 PM CST. * At 809 PM CST, severe thunderstorms were located along a line from 16 miles southwest of Jonesboro to 24 miles south of Montgomery, or along a line from 16 miles southwest of Jonesboro to 27 miles south of Natchitoches, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Natchitoches, Winnfield, Colfax, Montgomery, Natchez, Clarence, Dry Prong, Goldonna, Dodson, Georgetown, Calvin, Atlanta, Sikes, Lake Iatt, Aloha, Williana, Joyce, St. Maurice, Bermuda and Clear Lake.
INSTRUCTION: Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds. Intense thunderstorm lines can produce brief tornadoes and widespread significant wind damage. Although a tornado is not immediately likely, it is best to move to an interior room on the lowest floor of a building. These storms may cause serious injury and significant property damage. A Tornado Watch remains in effect until 200 AM CST Sunday for portions of north central and northwest Louisiana.
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Weather Topic: What are Mammatus Clouds?
Home - Education - Cloud Types - Mammatus Clouds
Next Topic: Nimbostratus Clouds
A mammatus cloud is a cloud with a unique feature which resembles
a web of pouches hanging along the base of the cloud.
In the United States, mammatus clouds tend to form in the warmer months, commonly
in the Midwest and eastern regions.
While they usually form at the bottom of a cumulonimbis cloud, they can also form
under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds
warn that severe weather is close.
Next Topic: Nimbostratus Clouds
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
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