Weather Alert in Louisiana
Special Weather Statement issued February 15 at 1:43AM CST by NWS New Orleans LA
AREAS AFFECTED: Upper Lafourche; St. Charles; Lower Terrebonne; Lower Lafourche; Coastal Jefferson; Lower Plaquemines; Lower St. Bernard; Lower Jefferson; Upper Plaquemines; Central Plaquemines
DESCRIPTION: At 143 AM CST, Doppler radar was tracking strong thunderstorms along a line extending from 9 miles west of Barataria to 7 miles southeast of Cocodrie. Movement was east at 45 mph. HAZARD...Wind gusts of 50 to 55 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Grand Isle, Cut Off, Galliano, Larose, Port Sulphur, Lockport, Golden Meadow, Jean Lafitte, Lafitte, Chauvin, Port Fourchon, Myrtle Grove, Pointe A La Hache, Barataria, Montegut, Leeville, Cocodrie, Mathews, Tambour Bay Buoy, and Lumcon Center Buoy.
INSTRUCTION: If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with these storms and may lead to localized flooding. Do not drive your vehicle through flooded roadways. A Tornado Watch remains in effect until 500 AM CST for southeastern Louisiana.
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Weather Topic: What are Nimbostratus Clouds?
Home - Education - Cloud Types - 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
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
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