Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 75, NWS Wichita, KS

June 11, 2021Cowley County, Sumner County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Jun 11, 2021, 10:02 PM CDT for Cowley County, Sumner County, Kansas. It was in force for 58 min. 7 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 11, 2021, 10:02 PM CDT (03:02 UTC)
Expired
Jun 11, 2021, 11:00 PM CDT
In force
58 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), 61 km from the middle of the area, began a volume at 03:04 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.

What was reported inside it

TimeReportWhereRemark
Jun 11, 10:17 PM CDTTSTM WND GST 602 N Arkansas City, KS
Jun 11, 10:26 PM CDTHAIL 1.75Arkansas City, KS
Jun 11, 10:29 PM CDTTSTM WND DMG1 S Arkansas City, KS10 INCH DIAMETER TREE LIMB DOWN JUST SOUTH OF MADISON ON SUMMIT STREET.
Jun 11, 10:29 PM CDTHAIL 1.75Arkansas City, KS
Jun 11, 10:33 PM CDTHAIL 2.53 Ese Arkansas City, KS
Jun 11, 10:36 PM CDTHAIL 1Arkansas City, KSMEASURED 57 MPH WINDS WITH SMALL BRANCHES DOWN.
Jun 11, 10:40 PM CDTTSTM WND GST 61Arkansas City, KS

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 11, 6:46 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 3.0 hours before the alert went out and 209 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 00:00Z on 2021-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3394 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 00:00Z on 2021-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.193958Sfc1 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
3394 J/kg
Mixed-layer CIN
-216 J/kg
Mixed-layer LCL
1175 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
225 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted.

877 
WUUS53 KICT 120302
SVRICT
KSC035-191-120400-
/O.NEW.KICT.SV.W.0075.210612T0302Z-210612T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wichita KS
1002 PM CDT Fri Jun 11 2021

The National Weather Service in Wichita has issued a

* Severe Thunderstorm Warning for...
  Southwestern Cowley County in south central Kansas...
  Southern Sumner County in south central Kansas...

* Until 1100 PM CDT.

* At 1002 PM CDT, severe thunderstorms were located along a line
  extending from near Oxford to 7 miles southwest of Wellington,
  moving south at 25 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

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

* Severe thunderstorms will be near...
  Winfield around 1005 PM CDT.
  Geuda Springs around 1020 PM CDT.

Other locations in the path of these severe thunderstorms include
South Haven and Arkansas City.

This includes Interstate 35 between Mile Markers 1 and 16.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3700 9780 3722 9780 3729 9692 3700 9683
TIME...MOT...LOC 0302Z 342DEG 20KT 3722 9712 3718 9748 

HAIL...0.75IN
WIND...60MPH
 
$$

JAKUB
3 follow-up statements
039 
WWUS53 KICT 120325
SVSICT

Severe Weather Statement
National Weather Service Wichita KS
1025 PM CDT Fri Jun 11 2021

KSC035-191-120400-
/O.CON.KICT.SV.W.0075.000000T0000Z-210612T0400Z/
Cowley KS-Sumner KS-
1025 PM CDT Fri Jun 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR SOUTHWESTERN COWLEY AND SOUTHERN SUMNER COUNTIES...

At 1024 PM CDT, a severe thunderstorm was located over Arkansas City,
moving southeast at 20 mph.

HAZARD...70 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

This severe thunderstorm will remain over mainly rural areas of
southwestern Cowley and southern Sumner Counties, including the
following locations... Hunnewell, Strother Field Airport and Perth.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3700 9780 3722 9780 3729 9692 3700 9683
TIME...MOT...LOC 0324Z 333DEG 18KT 3705 9705 

HAIL...0.75IN
WIND...70MPH
 
$$

JAKUB
138 
WWUS53 KICT 120344
SVSICT

Severe Weather Statement
National Weather Service Wichita KS
1044 PM CDT Fri Jun 11 2021

KSC035-191-120400-
/O.CON.KICT.SV.W.0075.000000T0000Z-210612T0400Z/
Cowley KS-Sumner KS-
1044 PM CDT Fri Jun 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR SOUTHWESTERN COWLEY AND SOUTHERN SUMNER COUNTIES...

At 1043 PM CDT, a severe thunderstorm was located near Chilocco, or
near Arkansas City, moving south at 20 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Arkansas City, Winfield, Caldwell, Oxford, South Haven, Geuda
Springs, Hunnewell, Perth and Strother Field Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3700 9780 3722 9780 3729 9692 3700 9683
TIME...MOT...LOC 0343Z 338DEG 19KT 3700 9697 

HAIL...1.00IN
WIND...70MPH
 
$$

JAKUB
906 
WWUS53 KICT 120351
SVSICT

Severe Weather Statement
National Weather Service Wichita KS
1051 PM CDT Fri Jun 11 2021

KSC035-191-120400-
/O.EXP.KICT.SV.W.0075.000000T0000Z-210612T0400Z/
Cowley KS-Sumner KS-
1051 PM CDT Fri Jun 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN COWLEY AND
SOUTHERN SUMNER COUNTIES WILL EXPIRE AT 1100 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
south central Kansas.

LAT...LON 3700 9780 3722 9780 3729 9692 3700 9683
TIME...MOT...LOC 0350Z 342DEG 20KT 3697 9696 

$$

JAKUB

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 7:00 PM CDTSpecial Weather StatementICTChase45 min
Jun 11, 7:32 PM CDTSpecial Weather StatementICTButler43 min
Jun 11, 7:33 PM CDTSpecial Weather StatementICTLabette57 min
Jun 11, 7:49 PM CDTSpecial Weather StatementICTSedgwick41 min
Jun 11, 7:56 PM CDTSevere Thunderstorm WarningICTButler, Sedgwick64 min
Jun 11, 8:11 PM CDTAreal Flood WarningICTButler, Sedgwick3 hr
Jun 11, 8:27 PM CDTSevere Thunderstorm WarningICTSedgwick63 min
Jun 11, 8:44 PM CDTSpecial Weather StatementICTSedgwick31 min
Jun 11, 8:59 PM CDTSevere Thunderstorm WarningICTButler, Cowley, Sedgwick, Sumner61 min
Jun 11, 9:23 PM CDTSevere Thunderstorm WarningICTCowley, Sumner67 min
Jun 11, 10:18 PM CDTSpecial Weather StatementICTHarper42 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2021Every severe thunderstorm warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.