Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 71, NWS Wichita, KS

June 11, 2021Butler County, Sedgwick County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Jun 11, 2021, 7:56 PM CDT for Butler County, Sedgwick County, Kansas. It was in force for 64 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, 7:56 PM CDT (00:56 UTC)
Expired
Jun 11, 2021, 9:00 PM CDT
In force
64 min
Issued by
NWS Wichita, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Butler County, KS, Sedgwick County, KS

The radar

The Wichita radar (KICT), 36 km from the middle of the area, began a volume at 00:57 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, 8:29 PM CDTHAIL 0.751 S East Wichita, KSRELAYED FROM THE SPOTTER NETWORK.
Jun 11, 8:33 PM CDTTSTM WND GST 60Benton, KS
Jun 11, 8:44 PM CDTHAIL 0.751 Se East Wichita, KSPENNY SIZED HAIL.
Jun 11, 8:45 PM CDTTSTM WND DMG1 S Benton, KS5 INCH DIAMETER TREE LIMBS DOWN.
Jun 11, 8:51 PM CDTTSTM WND DMG1 N Benton, KSUTILITY POLE DOWN.
Jun 11, 9:00 PM CDTHAIL 1.75Benton, KSDELAYED REPORT.
Jun 11, 9:06 PM CDTHAIL 0.753 Nw Augusta, 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

Topeka, KS (KTOP), launched 00:00Z, 0.9 hours before the alert went out and 183 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, Topeka, KS at 00:00Z on 2021-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 830 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, Topeka, KS at 00:00Z on 2021-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 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
830 J/kg
Mixed-layer CIN
-461 J/kg
Mixed-layer LCL
836 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
188 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.7

Open this sounding in Storm Lab

The text

As transmitted.

580 
WUUS53 KICT 120056
SVRICT
KSC015-173-120200-
/O.NEW.KICT.SV.W.0071.210612T0056Z-210612T0200Z/

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

The National Weather Service in Wichita has issued a

* Severe Thunderstorm Warning for...
  Eastern Sedgwick County in south central Kansas...
  Western Butler County in south central Kansas...

* Until 900 PM CDT.

* At 756 PM CDT, a severe thunderstorm was located over Benton,
  moving east at 10 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Towanda, El Dorado and Augusta.

This includes Interstate 35 between Mile Markers 48 and 93.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3756 9729 3791 9720 3792 9715 3809 9715
      3808 9661 3753 9687
TIME...MOT...LOC 0056Z 288DEG 7KT 3782 9709 

HAIL...1.00IN
WIND...60MPH
 
$$

JAKUB
3 follow-up statements
744 
WWUS53 KICT 120111
SVSICT

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

KSC173-120120-
/O.CAN.KICT.SV.W.0071.000000T0000Z-210612T0200Z/
Sedgwick KS-
811 PM CDT Fri Jun 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN SEDGWICK COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has weakened. 
Therefore, the warning has been cancelled. Gusty winds up to 40 mph 
are still possible. 

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

LAT...LON 3755 9715 3809 9715 3808 9661 3753 9687
TIME...MOT...LOC 0110Z 288DEG 7KT 3781 9706 

$$

KSC015-120200-
/O.CON.KICT.SV.W.0071.000000T0000Z-210612T0200Z/
Butler KS-
811 PM CDT Fri Jun 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR WESTERN BUTLER COUNTY...

At 810 PM CDT, a severe thunderstorm was located near Benton, moving
east at 10 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
El Dorado, Andover, Augusta, Rose Hill, Towanda, Benton, Whitewater,
Potwin, Elbing, Cassoday, Santa Fe Lake, El Dorado State Park,
Augusta Municipal Airport, El Dorado Airport and El Dorado Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3755 9715 3809 9715 3808 9661 3753 9687
TIME...MOT...LOC 0110Z 288DEG 7KT 3781 9706 

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

JAKUB
793 
WWUS53 KICT 120130
SVSICT

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

KSC015-120200-
/O.CON.KICT.SV.W.0071.000000T0000Z-210612T0200Z/
Butler KS-
830 PM CDT Fri Jun 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR WESTERN BUTLER COUNTY...

At 829 PM CDT, a severe thunderstorm was located 13 miles southeast
of Burns, or 15 miles northeast of El Dorado, moving east at 10 mph.

Another severe storm was located near Benton, moving east at 10 mph. 

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

SOURCE...Radar indicated.

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

Locations impacted include...
El Dorado, Andover, Augusta, Rose Hill, Towanda, Benton, Whitewater,
Potwin, Cassoday, Santa Fe Lake, El Dorado State Park, Augusta
Municipal Airport, El Dorado Airport and El Dorado Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3755 9715 3804 9715 3808 9661 3753 9687
TIME...MOT...LOC 0129Z 276DEG 8KT 3800 9668 

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

JAKUB
935 
WWUS53 KICT 120153
SVSICT

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

KSC015-120201-
/O.EXP.KICT.SV.W.0071.000000T0000Z-210612T0200Z/
Butler KS-
853 PM CDT Fri Jun 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN BUTLER COUNTY WILL
EXPIRE AT 900 PM CDT...
    
The severe thunderstorm which prompted the warning near Benton is 
still capable of producing winds up to 60 mph. The warning will be 
allowed to expire at 9 PM. However, a new warning could be issued 
for the are.   

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

LAT...LON 3755 9715 3804 9715 3808 9661 3753 9687
TIME...MOT...LOC 0151Z 288DEG 7KT 3799 9663 

$$

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, 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, 10:02 PM CDTSevere Thunderstorm WarningICTCowley, Sumner58 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.