Rockford Scanner™:



SEVERE THUNDERSTORM WATCH

ISSUED: 7:58 PM AUG. 5, 2018 – NATIONAL WEATHER SERVICE
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
331 IN EFFECT UNTIL 1 AM CDT MONDAY FOR THE FOLLOWING AREAS

IN ILLINOIS THIS WATCH INCLUDES 9 COUNTIES

IN NORTH CENTRAL ILLINOIS

BOONE DEKALB OGLE
WINNEBAGO

IN NORTHEAST ILLINOIS

COOK DUPAGE KANE
LAKE IL MCHENRY


Special Weather Statement
National Weather Service Chicago/Romeoville Il
815 PM CDT SUN AUG 5 2018

ILZ003>005-008-010-011-060145-
Boone IL-De Kalb IL-McHenry IL-Winnebago IL-Ogle IL-Lee IL-
815 PM CDT SUN AUG 5 2018

…SIGNIFICANT WEATHER ADVISORY FOR OGLE…NORTHERN LEE…DE KALB…
WINNEBAGO…WESTERN MCHENRY AND BOONE COUNTIES UNTIL 845 PM CDT…

At 813 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Rockton to Cherry Valley to 6 miles west
of Kirkland to near Ashton. Movement was east southeast at 40 mph.

Wind gusts up to 50 mph will be possible with these storms. The
strong winds out ahead of the line of thunderstorms will likely
occur with little or no rain. Rockford Airport registered a peak
gust to 43 mph at 809 pm.

Locations impacted include…
Rockford, Belvidere, Loves Park, Machesney Park, Sycamore, Dixon,
Rochelle, Harvard, South Beloit, Rockton, Marengo, Genoa, Oregon,
Mount Morris, Rockford Airport, DeKalb, Roscoe, Poplar Grove,
Cortland and Byron.
This includes… Northern Illinois University, Boone County
Fairgrounds, Castle Rock State Park, Lowden State Park, Ogle County
Fairgrounds, Rock Cut State Park, Rock Valley College, Rockford
Aviators Baseball, Rockford Speedway, White Pines State Park, and
Winnebago County Fairgrounds.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

Occasional to frequent cloud to ground lightning is occurring with
these storms. Lightning can strike 10 miles away from a
thunderstorm. Seek a safe shelter inside a building or vehicle.

&&

A severe thunderstorm watch remains in effect until 100 AM CDT for
north central and northeastern Illinois.

 


The National Weather Service in Chicago has issued a

* Severe Thunderstorm Warning for…
Northwestern Ogle County in north central Illinois…
Western Winnebago County in north central Illinois…

* Until 815 PM CDT

* At 743 PM CDT, severe thunderstorms were located along a line
extending from near Rock City to near Ridott to Forreston, moving
east at 30 mph.

HAZARD…60 mph wind gusts.

SOURCE…Radar indicated. At 740 pm, Freeport Airport gusted to
59 mph.

IMPACT…Expect damage to roofs, siding, and trees.

* Locations impacted include…
Winnebago, Pecatonica, Forreston, Durand, Lake Summerset, Leaf
River and Adeline.

This includes… Winnebago County Fairgrounds.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

For your protection move to an interior room on the lowest floor of a
building.

Damaging winds and frequent cloud to ground lightning are occurring
with these storms. Move indoors immediately. Lightning is one of
nature’s leading killers. Remember, if you can hear thunder, you are
close enough to be struck by lightning.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

 

 


The National Weather Service in the Quad Cities has issued a

* Severe Thunderstorm Warning for…
Jo Daviess County in northwestern Illinois…
Central Carroll County in northwestern Illinois…
Stephenson County in northwestern Illinois…
Jackson County in east central Iowa…
Southeastern Dubuque County in northeastern Iowa…

* Until 730 PM CDT.

* At 644 PM CDT, severe thunderstorms were located along a line
extending from Apple River to Andrew, moving east at 45 mph.

HAZARD…60 mph wind gusts and penny size hail.

SOURCE…Radar indicated.

IMPACT…Expect damage to roofs, siding, and trees.

* Locations impacted include…
Freeport, Galena, Mount Carroll, Savanna, Lena, Bellevue, Stockton,
Lanark, Warren, Preston, Hanover, Pearl City, Elizabeth,
Cedarville, Woodbine, Sabula, Chadwick, Miles, Andrew and Scales
Mound.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

For your protection move to an interior room on the lowest floor of a
sturdy building.

Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature’s leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.