Weather Alert in Illinois
Severe Thunderstorm Warning issued May 16 at 6:39PM CDT until May 16 at 7:30PM CDT by NWS Paducah KY
AREAS AFFECTED: Franklin, IL; Jackson, IL; Williamson, IL
DESCRIPTION: SVRPAH The National Weather Service in Paducah has issued a * Severe Thunderstorm Warning for... Williamson County in southern Illinois... Southeastern Jackson County in southern Illinois... Southern Franklin County in south central Illinois... * Until 730 PM CDT. * At 639 PM CDT, a severe thunderstorm was located near Cedar Lake Area, or 7 miles southwest of Carbondale, moving east at 55 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Carbondale, Marion, Herrin, Murphysboro, Carterville, Johnston City, De Soto, Crainville, Cambria, Energy, Hurst, Pittsburg, Cedar Lake Area, Lake Of Egypt Area, Makanda, Freeman Spur, Bush, Whiteash, Williamson County Regional Airport, and Colp. This includes Interstate 57 in Illinois between Mile Markers 45 and 62.
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 800 PM CDT for southern Illinois. A Tornado Watch also remains in effect until 1000 PM CDT for south central and southern Illinois.
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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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