Weather Alert in Illinois
Special Weather Statement issued July 16 at 3:10PM CDT by NWS Lincoln IL
AREAS AFFECTED: McLean; Champaign
DESCRIPTION: At 310 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Chenoa to near Downs. Movement was east at 45 mph. HAZARD...Wind gusts up to 50 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Bloomington, Normal, Le Roy, Lexington, Fisher, Chenoa, Colfax, Downs, Saybrook, Towanda, Bellflower, Arrowsmith, Cropsey, Ellsworth, Cooksville, Anchor, Foosland, Holder, Moraine View State Park, and Weston. This includes the following highways... Interstate 55 between mile markers 155 and 157, and between mile markers 166 and 187. Interstate 74 between mile markers 134 and 151.
INSTRUCTION: If outdoors, consider seeking shelter inside a building.
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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
Weather Topic: What are Wall Clouds?
Home - Education - Cloud Types - Wall Clouds
Next Topic: Altocumulus Clouds
A wall cloud forms underneath the base of a cumulonimbus cloud,
and can be a hotbed for deadly tornadoes.
Wall clouds are formed by air flowing into the cumulonimbus clouds, which can
result in the wall cloud descending from the base of the cumulonimbus cloud, or
rising fractus clouds which join to the base of the storm cloud as the wall cloud
takes shape.
Wall clouds can be very large, and in the Northern Hemisphere they generally
form at the southern edge of cumulonimbus clouds.
Next Topic: Altocumulus Clouds
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