Alert archive / Illinois / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 96, NWS Paducah, KY

April 15, 2023Alexander County, Pulaski County, Illinois

NWS Paducah, KY issued this severe thunderstorm warning at Apr 15, 2023, 2:04 PM CDT for Alexander County, Pulaski County, Illinois. It was in force for 41 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 15, 2023, 2:04 PM CDT (19:04 UTC)
Expired
Apr 15, 2023, 2:45 PM CDT
In force
41 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

Counties Alexander County, IL, Pulaski County, IL

The radar

The Paducah radar (KPAH), 44 km from the middle of the area, began a volume at 19:05 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 12:00Z, 7.1 hours before the alert went out and 332 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 12:00Z on 2023-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 40 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 12:00Z on 2023-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.1939Sfc1 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
40 J/kg
Mixed-layer CIN
-164 J/kg
Mixed-layer LCL
1437 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
63 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 severe thunderstorm 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 severe thunderstorm warning went out at Apr 15, 12:15 PM CDT, 1 hour 49 minutes earlier.

Area forecast discussion, Apr 15, 12:15 PM CDT, 1 hour 49 minutes before
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Hazardous weather outlook, Apr 15, 4:35 AM CDT, 9 hours 29 minutes before
Hazardous Weather Outlook
National Weather Service Paducah KY
435 AM CDT Sat Apr 15 2023

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-161000-
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-
435 AM CDT Sat Apr 15 2023 /535 AM EDT Sat Apr 15 2023/

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

.DAY ONE...Today and Tonight

The chance of strong to severe storms is greatest this evening.
Damaging winds and large hail are the primary hazards, though
isolated tornadoes cannot be ruled out. The best chance is in
southeast Missouri and adjacent parts of southern Illinois and
western Kentucky. Gusty winds, hail, lightning, and locally heavy
rain with potential for flooding will also be hazards with
any thunderstorms across the entire region through tonight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Gusty winds 30 to 35 mph are forecast Sunday, and thunderstorms
return to the forecast Thursday through Friday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation later today is expected.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 2:31 PM CDTSevere Thunderstorm WarningPAHBallard, McCracken29 min
Apr 15, 2:47 PM CDTSevere Thunderstorm WarningPAHBallard, McCracken43 min
Apr 15, 3:10 PM CDTSevere Thunderstorm WarningPAHLivingston50 min
Apr 15, 3:42 PM CDTSevere Thunderstorm WarningPAHCaldwell, Crittenden, Lyon48 min
Apr 15, 4:44 PM CDTSpecial Weather StatementPAHMarshall31 min
Apr 15, 2:20 PM CDTSevere Thunderstorm WarningPAHJohnson, Massac40 min
Apr 15, 2:58 PM CDTSevere Thunderstorm WarningPAHMassac32 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2023Every 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.