Weather Alert in Illinois
Dust Storm Warning issued May 16 at 6:17PM CDT until May 16 at 7:30PM CDT by NWS Chicago IL
AREAS AFFECTED: Grundy, IL; Kankakee, IL; Kendall, IL; La Salle, IL; Will, IL; Jasper, IN; Lake, IN; Newton, IN; Porter, IN
DESCRIPTION: At 616 PM CDT, a wall of dust was along a line extending from near Ottawa, IL to near Kouts, IN, moving north at 50 mph. HAZARD...Less than one quarter mile visibility with strong wind in excess of 50 mph. SOURCE...Emergency Management. IMPACT...Dangerous life-threatening travel. Including the following interstates... I-39 between mile markers 41 and 65. I-55 between mile markers 219 and 248. I-57 between mile markers 302 and 337. I-80 between mile markers 73 and 123. Indiana I-65 between mile markers 221 and 252. Locations impacted include... Wheatfield, Cedar Lake, Limestone, Oglesby, Roselawn, Marseilles, DeMotte, Channahon, Hopkins Park, Ottawa, Elwood, La Salle, Kangley, Manteno, Rutland, St. John, Naplate, Aroma Park, Dana, Parr, Godley, Manhattan, Malden, Peru, and Crete. This includes... Valparaiso University, Buffalo Rock State Park, Channahon State Park, Gebhard Woods State Park, Governors State University, Grundy County Speedway and Fairgrounds, Illini State Park, Illinois Valley Community College, Kankakee Community College, Kankakee County Fairgrounds and Speedway, Kankakee River State Park, Lake County Fairgrounds, Matthiessen State Park, Olivet Nazarine University, Porter County Fairgrounds, Starved Rock State Park, Will County Fairgrounds, and William G Stratton State Park.
INSTRUCTION: Dust storms lead to dangerous driving conditions with visibility reduced to near zero. If driving, avoid dust storms if possible. If caught in one, then pull off the road, turn off your lights and keep your foot off the brake. Motorists should not drive into a dust storm. PULL ASIDE STAY ALIVE!
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Weather Topic: What is Graupel?
Home - Education - Precipitation - Graupel
Next Topic: Hail
Graupel is a form of precipitation that is created by atmospheric conditions
which cause supercooled water droplets to contact snow crystals and freeze to
their surface.
Sometimes known as soft hail or snow pellets, graupel is delicate and easily
destroyed by touch. Whereas hail usually falls during severe weather, graupel
doesn't require such conditions to form, and can form in mild precipitation
similar to situations which produce snowfall.
Next Topic: Hail
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
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