Alert archive / Illinois / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 97, NWS Chicago, IL

July 13, 2015Iroquois County, Kankakee County, Illinois

NWS Chicago, IL issued this severe thunderstorm warning at Jul 13, 2015, 7:22 PM CDT for Iroquois County, Kankakee County, Illinois. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 13, 2015, 7:22 PM CDT (00:22 UTC)
Expired: Jul 13, 2015, 8:15 PM CDT
In force: 53 min
Issued by: NWS Chicago, IL
Area: Storm-based polygon
Hail: 1.75 in
Wind: 70.0 mph

Counties Iroquois County, IL, Kankakee County, IL

The radar

The Chicago radar (KLOT), 76 km from the middle of the area, began a volume at 00:24 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 13, 4:01 PM CDT	Tornado Watch	SPC	7 hr

What forecasters said that day

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

In the hours before

Special weather statement, Jul 13, 7:18 PM CDT, 4 minutes before

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Local storm report, Jul 13, 7:20 PM CDT, 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
720 PM CDT MON JUL 13 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0714 PM     HAIL             BRAIDWOOD               41.27N 88.22W
07/13/2015  E0.50 INCH       WILL               IL   AMATEUR RADIO

            LOCATION ESSEX AND COUNTY LINE ROAD.

&&

C

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 7:11 PM CDT	Severe Thunderstorm Warning	LOT	Kankakee, Will	49 min
Jul 13, 7:21 PM CDT	Severe Thunderstorm Warning	LOT	Cook	24 min
Jul 13, 7:27 PM CDT	Areal Flood Advisory	LOT	Iroquois	4 hr
Jul 13, 7:34 PM CDT	Special Marine Warning	LOT		86 min
Jul 13, 8:09 PM CDT	Special Weather Statement	LOT	Lee	21 min
Jul 13, 8:16 PM CDT	Severe Thunderstorm Warning	LOT	Iroquois, Kankakee	44 min
Jul 13, 8:26 PM CDT	Areal Flood Advisory	LOT	LaSalle, Lee	5 hr
Jul 13, 8:46 PM CDT	Severe Thunderstorm Warning	LOT	Cook, DuPage	29 min
Jul 13, 8:51 PM CDT	Severe Thunderstorm Warning	LOT	Boone, McHenry, Winnebago	39 min
Jul 13, 8:58 PM CDT	Special Marine Warning	LOT		3 hr
Jul 13, 8:59 PM CDT	Severe Thunderstorm Warning	LOT	Cook, DuPage	31 min
Jul 13, 9:34 PM CDT	Severe Thunderstorm Warning	LOT	Boone, McHenry, Winnebago	41 min
Jul 13, 9:46 PM CDT	River Flood Advisory	LOT	Grundy	36 hr
Jul 13, 9:56 PM CDT	Severe Thunderstorm Warning	LOT	Cook, DeKalb, DuPage, Kane	33 min
Jul 14, 3:47 AM CDT	Small Craft Advisory	LOT		30 hr
Jul 14, 5:05 AM CDT	Beach Hazards Statement	LOT	Lake	38 hr
Jul 14, 11:23 AM CDT	River Flood Advisory	LOT	Grundy	4 days
Jul 13, 7:18 PM CDT	Special Weather Statement	LOT	Benton	12 min
Jul 13, 7:37 PM CDT	Severe Thunderstorm Warning	LOT	Lake	38 min
Jul 13, 7:42 PM CDT	Severe Thunderstorm Warning	LOT	Benton	33 min
Jul 13, 8:00 PM CDT	Flash Flood Warning	LOT	Benton	5 hr
Jul 13, 8:42 PM CDT	Special Weather Statement	LOT	Lake, Porter	48 min
Jul 13, 9:34 PM CDT	Severe Thunderstorm Warning	LOT	Lake, Porter	30 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2015 Every severe thunderstorm warning in 2015

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.