Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 111, NWS Wichita, KS

July 31, 2021Sedgwick County, Sumner County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Jul 31, 2021, 8:26 PM CDT for Sedgwick County, Sumner County, Kansas. It was in force for 34 min. 1 report 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: Jul 31, 2021, 8:26 PM CDT (01:26 UTC)
Expired: Jul 31, 2021, 9:00 PM CDT
In force: 34 min
Issued by: NWS Wichita, KS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Sedgwick County, KS, Sumner County, KS

The radar

The Wichita radar (KICT), 21 km from the middle of the area, began a volume at 01:26 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

Time	Report	Where	Remark
Jul 31, 8:35 PM CDT	TSTM WND DMG	Clearwater, KS	DELAYED REPORT OF DOWNED LARGE TREE LIMBS OF FIVE TO SIX INCHES IN DIAMETER. TIME IS ESTIMATED FROM RADAR.

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

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 1.4 hours before the alert went out and 218 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: 1535 J/kg
Mixed-layer CIN: -58 J/kg
Mixed-layer LCL: 1333 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 85 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

729 
WUUS53 KICT 010126
SVRICT
KSC173-191-010200-
/O.NEW.KICT.SV.W.0111.210801T0126Z-210801T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wichita KS
826 PM CDT Sat Jul 31 2021

The National Weather Service in Wichita has issued a

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

* Until 900 PM CDT.

* At 825 PM CDT, a severe thunderstorm was located near Clearwater,
  moving northeast at 10 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Clearwater and Haysville.

This includes Interstate 35 between Mile Markers 33 and 39.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Wind damage with this storm may occur before any rain or lightning.
Do not wait for the sound of thunder before taking cover. SEEK
SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

&&

LAT...LON 3735 9743 3744 9763 3762 9754 3755 9725
TIME...MOT...LOC 0125Z 210DEG 7KT 3746 9750 

HAIL...<.75IN
WIND...60MPH
 
$$

METZGER

1 follow-up statement

108 
WWUS53 KICT 010156
SVSICT

Severe Weather Statement
National Weather Service Wichita KS
856 PM CDT Sat Jul 31 2021

KSC173-191-010206-
/O.EXP.KICT.SV.W.0111.000000T0000Z-210801T0200Z/
Sedgwick KS-Sumner KS-
856 PM CDT Sat Jul 31 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SEDGWICK AND
NORTH CENTRAL SUMNER COUNTIES WILL EXPIRE AT 900 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses 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 this thunderstorm.

LAT...LON 3735 9743 3744 9763 3762 9754 3755 9725
TIME...MOT...LOC 0156Z 210DEG 7KT 3751 9746 

$$

METZGER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 31, 7:17 PM CDT	Special Weather Statement	ICT	Sumner	28 min
Jul 31, 7:48 PM CDT	Severe Thunderstorm Warning	ICT	Sumner	27 min
Jul 31, 8:03 PM CDT	Special Weather Statement	ICT	Cowley	27 min
Jul 31, 8:09 PM CDT	Special Weather Statement	ICT	Sumner	51 min
Jul 31, 8:37 PM CDT	Special Weather Statement	ICT	Chautauqua, Cowley	38 min
Jul 31, 8:46 PM CDT	Special Weather Statement	ICT	Harper	29 min
Jul 31, 8:57 PM CDT	Special Weather Statement	ICT	Sedgwick	33 min
Jul 31, 9:13 PM CDT	Special Weather Statement	ICT	Chautauqua, Cowley	47 min
Jul 31, 9:31 PM CDT	Special Weather Statement	ICT	Harper	44 min
Jul 31, 10:05 PM CDT	Special Weather Statement	ICT	Cowley	40 min
Jul 31, 10:20 PM CDT	Special Weather Statement	ICT	Kingman	25 min
Jul 31, 10:28 PM CDT	Special Weather Statement	ICT	Sumner	32 min
Jul 31, 11:18 PM CDT	Special Weather Statement	ICT	Chautauqua	27 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.