Weather Alert in Illinois
Severe Thunderstorm Warning issued May 16 at 6:32PM CDT until May 16 at 7:15PM CDT by NWS Paducah KY
AREAS AFFECTED: Gallatin, IL; Hamilton, IL; Saline, IL; White, IL
DESCRIPTION: SVRPAH The National Weather Service in Paducah has issued a * Severe Thunderstorm Warning for... Southwestern White County in southeastern Illinois... Saline County in southern Illinois... Southern Hamilton County in south central Illinois... Gallatin County in southern Illinois... * Until 715 PM CDT. * At 632 PM CDT, a severe thunderstorm was located near Galatia, or 8 miles west of Harrisburg, moving east at 60 mph. HAZARD...Two inch hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Harrisburg, Eldorado, Shawneetown, Norris City, Galatia, Ridgway, Equality, New Haven, Raleigh, Omaha, Broughton, Old Shawneetown, Junction, and Muddy.
INSTRUCTION: For your protection move to an interior room on the lowest floor of a building. A Tornado Watch remains in effect until 1000 PM CDT for south central, southern and southeastern Illinois...southwestern Indiana... and northwestern Kentucky.
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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
Weather Topic: What are Stratocumulus Clouds?
Home - Education - Cloud Types - Stratocumulus Clouds
Next Topic: Stratus Clouds
Stratocumulus clouds are similar to altocumulus clouds in their
fluffy appearance, but have a slightly darker shade due to their additional mass.
A good way to distinguish the two cloud types is to hold your hand out and measure
the size of an individual cloud; if it is the size of your thumb it is generally
an altocumulus cloud, if it is the size of your hand it is generally a
stratocumulus cloud.
It is uncommon for stratocumulus clouds to produce precipitation, but if they do
it is usually a light rain or snow.
Next Topic: Stratus Clouds
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