Alert archive / Illinois / Flash Flood Warnings in 2022

Flash Flood Warning 20, NWS Paducah, KY

July 26, 20225 counties in Illinois

NWS Paducah, KY issued this flash flood warning at Jul 26, 2022, 5:32 AM CDT for 5 counties in Illinois. It was in force for 6 hr. 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 26, 2022, 5:32 AM CDT (10:32 UTC)
Expired
Jul 26, 2022, 11:30 AM CDT
In force
6 hr
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Flood severity
None

Counties Edwards County, IL, Hamilton County, IL, Jefferson County, IL, Wayne County, IL, White County, IL

The radar

The Evansville,IN radar (KVWX), 61 km from the middle of the area, began a volume at 10:33 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

Lincoln, IL (KILX), launched 00:00Z, 10.5 hours before the alert went out and 210 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-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2022-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2022-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1183 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Paducah, KY wrote its last area forecast discussion before this flash flood warning went out at Jul 26, 3:43 AM CDT, 1 hour 49 minutes earlier.

Area forecast discussion, Jul 26, 3:43 AM CDT, 1 hour 49 minutes before
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Hazardous weather outlook, Jul 26, 3:52 AM CDT, 1 hour 40 minutes before
Hazardous Weather Outlook
National Weather Service Paducah KY
352 AM CDT Tue Jul 26 2022

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-270900-
Jefferson-Wayne IL-Edwards-Wabash-Perry IL-Franklin-Hamilton-
White-Jackson-Williamson-Saline-Gallatin-Union-Johnson-Pope-
Hardin-Alexander-Pulaski-Massac-Gibson-Pike-Posey-Vanderburgh-
Warrick-Spencer-Fulton-Hickman-Carlisle-Ballard-McCracken-Graves-
Livingston-Marshall-Calloway-Crittenden-Lyon-Trigg-Caldwell-
Union KY-Webster-Hopkins-Christian-Henderson-Daviess-McLean-
Muhlenberg-Todd-Perry MO-Bollinger-Cape Girardeau-Wayne MO-Carter-
Ripley-Butler-Stoddard-Scott-Mississippi-New Madrid-
352 AM CDT Tue Jul 26 2022

This Hazardous Weather Outlook is for portions of southern
Illinois, southwest Indiana, western Kentucky, and southeast
Missouri.

.DAY ONE...Today and Tonight

A Flood Watch is in effect until 1 PM for locations north of
Interstate 64 in southern Illinois and southwest Indiana. Refer to
the product text for details.

A Heat Advisory is in effect for southeast Missouri, southwest
Illinois, and far western Kentucky through 7 PM. Refer to the
product text for details.

Isolated to scattered thunderstorms are possible across the entire
region, with the greatest coverage during the heat of the day.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

A chance of thunderstorms is forecast Wednesday through Friday
and again Sunday and Monday. The best chances will occur on Thursday
and on Sunday with a warm frontal passage. Locally heavy rainfall
and lightning will be the primary concerns.

.SPOTTER INFORMATION STATEMENT...

While spotter activation is not anticipated, reports of heavy rain
and flooding are appreciated.

DWS/DRS

The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 26, 2:49 AM CDTHeat AdvisoryPAHBallard, Calloway, Carlisle, Fulton, Graves, Hickman and 2 more13 hr
Jul 26, 2:38 AM CDTFlood WatchPAHEdwards, Jefferson, Wabash, Wayne10 hr
Jul 26, 12:50 PM CDTAreal Flood AdvisoryPAHButler, Ripley115 min
Jul 26, 1:39 PM CDTSevere Thunderstorm WarningPAHRipley21 min
Jul 26, 1:48 PM CDTSpecial Weather StatementPAHButler12 min
Jul 26, 2:03 PM CDTSpecial Weather StatementPAHRipley57 min

Nearby

Flash Flood Warnings in Illinois, 2022Every flash flood warning in 2022

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.