Alert archive / Illinois / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 182, NWS Quad Cities, IA

July 13, 2023Bureau County, Illinois

NWS Quad Cities, IA issued this severe thunderstorm warning at Jul 13, 2023, 8:58 PM CDT for Bureau 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 counties it named.

The facts

Issued: Jul 13, 2023, 8:58 PM CDT (01:58 UTC)
Expired: Jul 13, 2023, 9:45 PM CDT
In force: 47 min
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Bureau County, IL

The radar

The Quad Cities radar (KDVN), 91 km from the middle of the area, began a volume at 01:58 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 nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 2.0 hours before the alert went out and 84 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 716 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 1322 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 47 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.7

Open this sounding in Storm Lab

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.

NWS Quad Cities, IA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 13, 6:53 PM CDT, 2 hours 5 minutes earlier.

Area forecast discussion, Jul 13, 6:53 PM CDT, 2 hours 5 minutes before

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Hazardous weather outlook, Jul 13, 3:41 AM CDT, 17 hours 17 minutes before

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
341 AM CDT Thu Jul 13 2023

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-141100-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
341 AM CDT Thu Jul 13 2023

This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.

.DAY ONE...TODAY AND TONIGHT

Isolated to widely scattered thunderstorms will be possible late
this afternoon and evening, then again late tonight after midnight
mainly north oh the Interstate 80 corridor. Small hail, wind gusts
to 40 mph, and lightning will be the main threats from the
stronger storm cells.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

Showers and thunderstorms are possible Friday into Friday night.
Heavy rain will be again be possible with any of these storms.
The potential for widespread severe storms appears low at this
time.

The weather will remain active Saturday through Tuesday as
multiple disturbances move across the area and bring chances for
showers and storms. It is too early to determine the severe
thunderstorm potential with these storm systems.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated today and tonight.

12/Cousins

In the hours before

Special weather statement, Jul 13, 6:42 PM CDT, 2 hours 16 minutes before

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Special weather statement, Jul 13, 6:53 PM CDT, 2 hours 5 minutes before

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Special weather statement, Jul 13, 7:36 PM CDT, 1 hour 22 minutes before

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Special weather statement, Jul 13, 8:01 PM CDT, 57 minutes before

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Special weather statement, Jul 13, 8:34 PM CDT, 24 minutes before

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Special weather statement, Jul 13, 8:54 PM CDT, 4 minutes before

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The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 13, 7:36 PM CDT	Special Weather Statement	DVN	Muscatine	39 min
Jul 13, 10:44 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan	46 min
Jul 14, 2:53 PM CDT	Special Weather Statement	DVN	Delaware	67 min
Jul 14, 2:58 PM CDT	Special Weather Statement	DVN	Buchanan	62 min
Jul 14, 3:15 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan, Delaware, Jones, Linn	45 min
Jul 14, 3:25 PM CDT	Severe Thunderstorm Warning	DVN	Delaware, Dubuque, Jackson, Jones	50 min
Jul 14, 4:12 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque, Jackson, Jones	48 min
Jul 14, 4:32 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Jackson, Jones	58 min
Jul 14, 4:40 PM CDT	Special Weather Statement	DVN	Muscatine	80 min
Jul 14, 4:44 PM CDT	Special Weather Statement	DVN	Delaware	46 min
Jul 14, 5:11 PM CDT	Special Weather Statement	DVN	Des Moines	49 min
Jul 14, 5:30 PM CDT	Special Weather Statement	DVN	Scott	45 min
Jul 14, 5:32 PM CDT	Special Weather Statement	DVN	Clinton, Jackson	43 min
Jul 14, 6:22 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines	38 min
Jul 13, 8:01 PM CDT	Special Weather Statement	DVN	Whiteside	44 min
Jul 13, 8:34 PM CDT	Special Weather Statement	DVN	Bureau	26 min
Jul 13, 8:54 PM CDT	Special Weather Statement	DVN	Bureau	36 min
Jul 14, 6:00 PM CDT	Special Weather Statement	DVN	Henry, Mercer, Rock Island	45 min
Jul 14, 6:06 PM CDT	Special Weather Statement	DVN	Carroll, Whiteside	39 min
Jul 14, 6:12 PM CDT	Special Weather Statement	DVN	Henderson, Warren	78 min
Jul 14, 6:30 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Mercer	34 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2023 Every severe thunderstorm warning in 2023

Sources

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