Alert archive / Kansas / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 431, NWS Wichita, KS

September 19, 2026Cowley County, Sumner County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Sep 19, 2026, 6:30 PM CDT for Cowley County, Sumner County, Kansas. It was in force for 60 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
Sep 19, 2026, 6:30 PM CDT (23:30 UTC)
Expired
Sep 19, 2026, 7:30 PM CDT
In force
60 min
Issued by
NWS Wichita, KS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Cowley County, KS, Sumner County, KS

The radar

The Wichita radar (KICT), 53 km from the middle of the area, began a volume at 23:32 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
Sep 19, 3:22 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 11.5 hours before the alert went out and 225 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, Norman, OK at 12:00Z on 2026-09-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 97 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, Norman, OK at 12:00Z on 2026-09-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -37 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
97 J/kg
Mixed-layer CIN
-483 J/kg
Mixed-layer LCL
1638 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-37 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Wichita, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 19, 4:14 PM CDTSevere Thunderstorm WarningICTReno61 min
Sep 19, 4:34 PM CDTSevere Thunderstorm WarningICTEllsworth, McPherson, Rice, Saline23 min
Sep 19, 4:39 PM CDTSevere Thunderstorm WarningICTMcPherson, Saline66 min
Sep 19, 4:42 PM CDTSevere Thunderstorm WarningICTReno48 min
Sep 19, 4:54 PM CDTSevere Thunderstorm WarningICTSaline66 min
Sep 19, 5:05 PM CDTSevere Thunderstorm WarningICTMcPherson, Rice55 min
Sep 19, 5:13 PM CDTSevere Thunderstorm WarningICTReno48 min
Sep 19, 5:40 PM CDTSevere Thunderstorm WarningICTMcPherson, Saline29 min
Sep 19, 6:07 PM CDTSevere Thunderstorm WarningICTHarper, Sumner53 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2026Every severe thunderstorm warning in 2026

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.