Alert archive / Illinois / Special Weather Statements in 2020

Special Weather Statement, NWS Chicago, IL

August 2, 2020Lee County, Illinois

NWS Chicago, IL issued this special weather statement at Aug 2, 2020, 2:13 PM CDT for Lee County, Illinois. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 2, 2020, 2:13 PM CDT (19:13 UTC)
Expired: Aug 2, 2020, 3:00 PM CDT
In force: 47 min
Issued by: NWS Chicago, IL

County Lee County, IL

The radar

The Quad Cities radar (KDVN), 92 km from the middle of the area, began a volume at 19:17 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Chicago, IL wrote its last area forecast discussion before this special weather statement went out at Aug 2, 1:12 PM CDT, 1 hour 1 minute earlier.

Area forecast discussion, Aug 2, 1:12 PM CDT, 1 hour 1 minute before

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Hazardous weather outlook, Aug 2, 12:11 PM CDT, 2 hours 2 minutes before

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In the hours before

Special weather statement, Aug 2, 2:13 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Chicago/Romeoville
213 PM CDT Sun Aug 2 2020

ILZ008-010-022000-
Ogle IL-Lee IL-
213 PM CDT Sun Aug 2 2020

...SIGNIFICANT WEATHER ADVISORY FOR LEE AND SOUTHWESTERN OGLE
COUNTIES UNTIL 300 PM CDT...

At 211 PM CDT, Doppler radar was tracking a strong thunderstorm 4
miles southwest of Polo, or 5 miles west of Dixon, moving east at 25
mph. Other storms were developing across western Lee and Ogle
Counties as well.

Penny size hail and wind gusts up to 50 mph will be possible with
the storm near Dixon, and may be realized with other storms in this
area through 300 PM as well.

Locations impacted include...
Dixon, Amboy, Polo, Franklin Grove, Ashton, Lost Nation, Sublette,
Woodhaven Lakes, Grand Detour, Nelson, Harmon, Woodland Shores,
Eldena, Woosung, Lee Center, Chana and Nachusa.

This includes...  Castle Rock State Park, Lee County Fairgrounds,
Sauk Valley College, and White Pines State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4201 8969 4199 8917 4158 8917 4158 8963
      4193 8963 4193 8969
TIME...MOT...LOC 1911Z 283DEG 20KT 4190 8962

FRIEDLEIN

The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 2, 3:25 AM CDT	Beach Hazards Statement	LOT	Cook, Lake	3 days
Aug 2, 3:33 AM CDT	Small Craft Advisory	LOT		3 days
Aug 2, 3:16 PM CDT	Lakeshore Flood Advisory	LOT	Cook, Lake	54 hr
Aug 2, 3:55 PM CDT	Special Marine Warning	LOT		65 min
Aug 2, 4:38 PM CDT	Special Weather Statement	LOT	Cook	37 min
Aug 2, 4:42 PM CDT	Special Marine Warning	LOT		74 min
Aug 2, 5:14 PM CDT	Areal Flood Advisory	LOT	Cook	2 hr
Aug 2, 5:14 PM CDT	Special Weather Statement	LOT	Cook	31 min
Aug 2, 5:29 PM CDT	Special Marine Warning	LOT		67 min

Nearby

Special Weather Statements in Illinois, 2020 Every special weather statement in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.