Weather Alert in Illinois
Severe Thunderstorm Warning issued April 29 at 2:13PM CDT until April 29 at 2:45PM CDT by NWS St Louis MO
AREAS AFFECTED: Clinton, IL; Marion, IL; Washington, IL
DESCRIPTION: At 213 PM CDT, a severe thunderstorm was located over Irvington, or 7 miles south of Centralia, moving northeast at 30 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Centralia, Salem, Nashville, Sandoval, Wamac, Central City, Odin, Irvington, Ashley, Beaucoup, Hoyleton, Junction City, Richview, Radom, Kell, Walnut Hill, Selmaville, Huegely and Cartter. This includes the following highways... Interstate 64 in Illinois between exits 50 and 61. Interstate 57 in Illinois between exits 109 and 116.
INSTRUCTION: Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.
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Weather Topic: What are Hole Punch Clouds?
Home - Education - Cloud Types - Hole Punch Clouds
Next Topic: Mammatus Clouds
A hole punch cloud is an unusual occurrence when a disk-shaped
hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.
When part of the cloud forms ice crystals, water droplets in the surrounding area
of the cloud evaporate. The effect of this process produces a large elliptical
gap in the cloud. The hole punch cloud formation is rare, but it is not specific
to any geographic area.
Other names which have been used to describe this phenomena include fallstreak hole,
skypunch, and cloud hole.
Next Topic: Mammatus Clouds
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
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