Alert archive / Illinois / Tornado Warnings in 2025

Tornado Warning 110, NWS Paducah, KY

April 20, 2025Jackson County, Illinois

NWS Paducah, KY issued this tornado warning at Apr 20, 2025, 9:36 PM CDT for Jackson County, Illinois. It was in force for 26 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
Apr 20, 2025, 9:36 PM CDT (02:36 UTC)
Expired
Apr 20, 2025, 10:02 PM CDT
In force
26 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Jackson County, IL

The radar

The Paducah radar (KPAH), 96 km from the middle of the area, began a volume at 02:35 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.

IssuedProductOfficeLasted
Apr 20, 3:41 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.6 hours before the alert went out and 272 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 2025-04-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 182 joules per kilogram.LCLLFCEL10008507005003002001001 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 2025-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 377 square meters per square second.1939587897Sfc1 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
182 J/kg
Mixed-layer CIN
-136 J/kg
Mixed-layer LCL
1336 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
377 m²/s²
0-3 km storm-relative helicity
580 m²/s²
Significant tornado parameter
0.1
Supercell composite
4.9

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 8:42 PM CDTTornado WarningPAHPerry18 min
Apr 20, 9:07 PM CDTTornado WarningPAHJackson38 min
Apr 20, 9:19 PM CDTSevere Thunderstorm WarningPAHJefferson26 min
Apr 20, 9:54 PM CDTSevere Thunderstorm WarningPAHFranklin, Jackson, Williamson36 min
Apr 20, 10:12 PM CDTSpecial Weather StatementPAHUnion48 min
Apr 20, 10:30 PM CDTSpecial Weather StatementPAHHamilton, Wayne45 min
Apr 20, 10:53 PM CDTSpecial Weather StatementPAHWilliamson37 min
Apr 21, 12:23 AM CDTSevere Thunderstorm WarningPAHWhite37 min
Apr 20, 7:06 PM CDTTornado WarningPAHCarter, Ripley39 min
Apr 20, 7:46 PM CDTSpecial Weather StatementPAHWayne44 min
Apr 20, 7:59 PM CDTSevere Thunderstorm WarningPAHWayne31 min
Apr 20, 8:18 PM CDTTornado WarningPAHWayne12 min
Apr 20, 8:40 PM CDTTornado WarningPAHBollinger, Perry35 min
Apr 20, 9:12 PM CDTSevere Thunderstorm WarningPAHBollinger, Stoddard, Wayne33 min
Apr 20, 9:39 PM CDTSevere Thunderstorm WarningPAHCape Girardeau39 min

Nearby

Tornado Warnings in Illinois, 2025Every tornado warning in 2025Tornadoes in 2025

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.