Alert archive / Kansas / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 430, NWS Wichita, KS

September 19, 2026Harper County, Sumner County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Sep 19, 2026, 6:07 PM CDT for Harper County, Sumner County, Kansas. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 19, 2026, 6:07 PM CDT (23:07 UTC)
Expired
Sep 19, 2026, 7:00 PM CDT
In force
53 min
Issued by
NWS Wichita, KS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Harper County, KS, Sumner County, KS

The radar

The Vance AFB radar (KVNX), 51 km from the middle of the area, began a volume at 23:11 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, 11.1 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, 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°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 text

As transmitted.

575 
WUUS53 KICT 192307
SVRICT
KSC077-191-200000-
/O.NEW.KICT.SV.W.0430.260919T2307Z-260920T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wichita KS
607 PM CDT Sat Sep 19 2026

The National Weather Service in Wichita has issued a

* Severe Thunderstorm Warning for...
  Southeastern Harper County in south central Kansas...
  Southwestern Sumner County in south central Kansas...

* Until 700 PM CDT.

* At 606 PM CDT, a severe thunderstorm was located 10 miles east of
  Manchester, or 12 miles southeast of Anthony, moving east at 20
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Caldwell, Bluff City, and Freeport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3700 9791 3719 9796 3725 9752 3700 9748
TIME...MOT...LOC 2306Z 254DEG 19KT 3703 9786 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

CHRISTO
3 follow-up statements
356 
WWUS53 KICT 192327
SVSICT

Severe Weather Statement
National Weather Service Wichita KS
627 PM CDT Sat Sep 19 2026

KSC077-192336-
/O.CAN.KICT.SV.W.0430.000000T0000Z-260920T0000Z/
Harper KS-
627 PM CDT Sat Sep 19 2026

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HARPER COUNTY IS
CANCELLED...

The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
south central Kansas.

&&

LAT...LON 3700 9780 3721 9780 3725 9752 3700 9748
TIME...MOT...LOC 2326Z 252DEG 22KT 3707 9770 

$$

KSC191-200000-
/O.CON.KICT.SV.W.0430.000000T0000Z-260920T0000Z/
Sumner KS-
627 PM CDT Sat Sep 19 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR SOUTHWESTERN SUMNER COUNTY...

At 626 PM CDT, a severe thunderstorm was located near Caldwell,
moving east at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Caldwell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3700 9780 3721 9780 3725 9752 3700 9748
TIME...MOT...LOC 2326Z 252DEG 22KT 3707 9770 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

CHRISTO
647 
WWUS53 KICT 192342
SVSICT

Severe Weather Statement
National Weather Service Wichita KS
642 PM CDT Sat Sep 19 2026

KSC191-200000-
/O.CON.KICT.SV.W.0430.000000T0000Z-260920T0000Z/
Sumner KS-
642 PM CDT Sat Sep 19 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR SOUTH CENTRAL SUMNER COUNTY...

At 642 PM CDT, a severe thunderstorm was located near Caldwell,
moving east at 20 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Caldwell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3700 9764 3723 9765 3725 9752 3700 9748
TIME...MOT...LOC 2342Z 254DEG 19KT 3709 9759 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

CHRISTO
340 
WWUS53 KICT 192354
SVSICT

Severe Weather Statement
National Weather Service Wichita KS
654 PM CDT Sat Sep 19 2026

KSC191-200004-
/O.EXP.KICT.SV.W.0430.000000T0000Z-260920T0000Z/
Sumner KS-
654 PM CDT Sat Sep 19 2026

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL SUMNER COUNTY
WILL EXPIRE AT 700 PM CDT...

The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
south central Kansas.

&&

LAT...LON 3700 9764 3723 9765 3725 9752 3700 9748
TIME...MOT...LOC 2354Z 254DEG 19KT 3710 9753 

$$

CHRISTO

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, 6:30 PM CDTSevere Thunderstorm WarningICTCowley, Sumner60 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.