Weather Alert in Louisiana
Severe Thunderstorm Warning issued March 16 at 2:46AM CDT until March 16 at 3:30AM CDT by NWS New Orleans LA
AREAS AFFECTED: Orleans, LA; St. Tammany, LA; Hancock, MS
DESCRIPTION: SVRLIX The National Weather Service in New Orleans has issued a * Severe Thunderstorm Warning for... Northeastern Orleans Parish in southeastern Louisiana... Southeastern St. Tammany Parish in southeastern Louisiana... Southwestern Hancock County in southern Mississippi... * Until 330 AM CDT. * At 246 AM CDT, a severe thunderstorm was located 7 miles south of Lacombe, or 8 miles west of Eden Isle, moving east at 30 mph. HAZARD...70 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. * Locations impacted include... New Orleans, Slidell, Eden Isle, Lake Catherine, Pearlington, Lacombe, and Shoreline Park. This includes the following Interstates... Interstate 10 in Louisiana between mile markers 252 and 256, and between mile markers 259 and 273. Interstate 10 in Mississippi near mile marker 1.
INSTRUCTION: Prepare immediately for large hail and damaging winds. People outside should move immediately to shelter inside a strong building. Stay away from windows. To report severe weather, contact your nearest law enforcement agency. They will send your report to the National Weather Service office in New Orleans. A Tornado Watch remains in effect until 400 AM CDT for southeastern Louisiana...and southern Mississippi.
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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
Weather Topic: What is Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
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