Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 156, NWS Wichita, KS

October 13, 2021Sumner County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Oct 13, 2021, 3:38 AM CDT for Sumner County, Kansas. It was in force for 67 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: Oct 13, 2021, 3:38 AM CDT (08:38 UTC)
Expired: Oct 13, 2021, 4:45 AM CDT
In force: 67 min
Issued by: NWS Wichita, KS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Sumner County, KS

The radar

The Wichita radar (KICT), 52 km from the middle of the area, began a volume at 08:38 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.

Issued	Product	Office	Lasted
Oct 12, 9:35 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 8.6 hours before the alert went out and 219 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 496 J/kg
Mixed-layer CIN: -164 J/kg
Mixed-layer LCL: 662 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 331 m²/s²
0-3 km storm-relative helicity: 372 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.5

Open this sounding in Storm Lab

The text

As transmitted.

677 
WUUS53 KICT 130838
SVRICT
KSC191-130945-
/O.NEW.KICT.SV.W.0156.211013T0838Z-211013T0945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wichita KS
338 AM CDT Wed Oct 13 2021

The National Weather Service in Wichita has issued a

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

* Until 445 AM CDT.

* At 338 AM CDT, severe thunderstorms were located along a line
  extending from near Clearwater to 5 miles southwest of Wellington
  to near Caldwell, moving east at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Wellington, Mulvane, Belle Plaine, Conway Springs, Caldwell,
  Oxford, South Haven, Geuda Springs, Mayfield, Hunnewell, Perth,
  Riverdale and Wellington Airport.

This includes Interstate 35 between Mile Markers 1 and 33.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 500 AM CDT for south central
Kansas.

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

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

&&

LAT...LON 3700 9771 3719 9762 3748 9765 3748 9715
      3700 9715
TIME...MOT...LOC 0838Z 268DEG 41KT 3748 9749 3721 9746 3698 9758 

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

$$

Martin

2 follow-up statements

863 
WWUS53 KICT 130906
SVSICT

Severe Weather Statement
National Weather Service Wichita KS
406 AM CDT Wed Oct 13 2021

KSC191-130945-
/O.CON.KICT.SV.W.0156.000000T0000Z-211013T0945Z/
Sumner KS-
406 AM CDT Wed Oct 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM CDT
FOR EASTERN SUMNER COUNTY...

At 406 AM CDT, severe thunderstorms were located along a line
extending from 5 miles south of Rose Hill to 6 miles southeast of
Oxford to 7 miles west of Chilocco, moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Wellington, Mulvane, Belle Plaine, Caldwell, Oxford, South Haven,
Geuda Springs, Hunnewell, Perth, Riverdale and Wellington Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 500 AM CDT for south central
Kansas.

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

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

&&

LAT...LON 3700 9766 3724 9742 3748 9740 3748 9715
      3700 9715
TIME...MOT...LOC 0906Z 270DEG 41KT 3749 9711 3722 9708 3699 9720 

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

$$

Martin

065 
WWUS53 KICT 130935
SVSICT

Severe Weather Statement
National Weather Service Wichita KS
435 AM CDT Wed Oct 13 2021

KSC191-130945-
/O.EXP.KICT.SV.W.0156.000000T0000Z-211013T0945Z/
Sumner KS-
435 AM CDT Wed Oct 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN SUMNER COUNTY WILL
EXPIRE AT 445 AM CDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with these thunderstorms.

LAT...LON 3700 9766 3724 9742 3748 9740 3748 9715
      3700 9715
TIME...MOT...LOC 0935Z 268DEG 41KT 3750 9672 3723 9669 3700 9681 

$$

Martin

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 12, 11:20 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ICT	Barton, Russell	70 min
Oct 13, 12:21 AM CDT	Special Weather Statement	ICT	Ellsworth, Lincoln	69 min
Oct 13, 12:45 AM CDT	Severe Thunderstorm Warning Considerable damage threat	ICT	Reno, Rice	60 min
Oct 13, 1:24 AM CDT	Special Weather Statement	ICT	McPherson, Saline	81 min
Oct 13, 1:51 AM CDT	Special Weather Statement	ICT	Harper, Kingman	54 min
Oct 13, 2:15 AM CDT	Special Weather Statement	ICT	Marion	60 min
Oct 13, 2:40 AM CDT	Special Weather Statement	ICT	Harvey, Sedgwick, Sumner	80 min
Oct 13, 3:14 AM CDT	Severe Thunderstorm Warning	ICT	Butler, Harvey, Sedgwick	76 min
Oct 13, 4:01 AM CDT	Severe Thunderstorm Warning	ICT	Cowley	52 min
Oct 13, 4:33 AM CDT	Special Weather Statement	ICT	Greenwood	57 min
Oct 13, 4:50 AM CDT	Special Weather Statement	ICT	Chautauqua, Elk	70 min
Oct 13, 4:54 AM CDT	Special Weather Statement	ICT	Cowley	36 min
Oct 13, 5:29 AM CDT	Special Weather Statement	ICT	Greenwood, Woodson	31 min
Oct 13, 5:59 AM CDT	Special Weather Statement	ICT	Allen, Chautauqua, Elk, Montgomery, Neosho, Wilson and 1 more	61 min
Oct 13, 7:00 AM CDT	Special Weather Statement	ICT	Allen, Labette, Montgomery, Neosho	30 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2021 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.