Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 31, NWS Wichita, KS

May 15, 2021Harper County, Sumner County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at May 15, 2021, 6:38 PM CDT for Harper County, Sumner County, Kansas. It was in force for 34 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: May 15, 2021, 6:38 PM CDT (23:38 UTC)
Expired: May 15, 2021, 7:12 PM CDT
In force: 34 min
Issued by: NWS Wichita, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Harper County, KS, Sumner County, KS

The radar

The Wichita radar (KICT), 49 km from the middle of the area, began a volume at 23:38 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 nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 11.6 hours before the alert went out and 239 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 986 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 311 m²/s²
0-3 km storm-relative helicity: 355 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

303 
WUUS53 KICT 152338
SVRICT
KSC077-191-160045-
/O.NEW.KICT.SV.W.0031.210515T2338Z-210516T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wichita KS
638 PM CDT Sat May 15 2021

The National Weather Service in Wichita has issued a

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

* Until 745 PM CDT.

* At 638 PM CDT, a severe thunderstorm was located 6 miles west of
  Argonia, or 8 miles east of Harper, moving northeast 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...
  Argonia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3731 9798 3739 9786 3739 9781 3740 9781
      3743 9776 3729 9763 3717 9784
TIME...MOT...LOC 2338Z 234DEG 10KT 3728 9788 

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

KETCHAM

3 follow-up statements

846 
WWUS53 KICT 152351
SVSICT

Severe Weather Statement
National Weather Service Wichita KS
651 PM CDT Sat May 15 2021

KSC077-191-160045-
/O.CON.KICT.SV.W.0031.000000T0000Z-210516T0045Z/
Harper KS-Sumner KS-
651 PM CDT Sat May 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHEASTERN HARPER AND WEST CENTRAL SUMNER COUNTIES...

At 651 PM CDT, a severe thunderstorm was located near Argonia, or 9
miles east of Harper, moving northeast 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...
Argonia and Danville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3732 9796 3739 9786 3739 9781 3740 9781
      3743 9776 3729 9763 3720 9783
TIME...MOT...LOC 2351Z 234DEG 9KT 3729 9785 

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

KETCHAM

836 
WWUS53 KICT 160006
SVSICT

Severe Weather Statement
National Weather Service Wichita KS
706 PM CDT Sat May 15 2021

KSC077-191-160045-
/O.CON.KICT.SV.W.0031.000000T0000Z-210516T0045Z/
Harper KS-Sumner KS-
706 PM CDT Sat May 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHEASTERN HARPER AND WEST CENTRAL SUMNER COUNTIES...

At 706 PM CDT, a severe thunderstorm was located 6 miles northwest of
Argonia, or 10 miles east of Harper, moving northeast 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...
Danville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3732 9796 3739 9786 3739 9781 3740 9781
      3743 9776 3735 9769 3723 9782
TIME...MOT...LOC 0006Z 214DEG 9KT 3733 9785 

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

KETCHAM

511 
WWUS53 KICT 160012
SVSICT

Severe Weather Statement
National Weather Service Wichita KS
712 PM CDT Sat May 15 2021

KSC077-191-160022-
/O.CAN.KICT.SV.W.0031.000000T0000Z-210516T0045Z/
Harper KS-Sumner KS-
712 PM CDT Sat May 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HARPER AND WEST
CENTRAL SUMNER COUNTIES IS CANCELLED...
                
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 has been cancelled.  However small hail is
still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 100 AM CDT for
south central Kansas.

LAT...LON 3732 9796 3739 9786 3739 9781 3740 9781
      3743 9776 3735 9769 3723 9782
TIME...MOT...LOC 0011Z 234DEG 10KT 3734 9783 

$$

KETCHAM

The office that day

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

Issued	Product	Office	Counties	Lasted
May 14, 8:21 PM CDT	Special Weather Statement	ICT	Russell	24 min
May 14, 8:36 PM CDT	Severe Thunderstorm Warning	ICT	Russell	28 min
May 14, 9:02 PM CDT	Special Weather Statement	ICT	Russell	28 min
May 14, 10:22 PM CDT	Special Weather Statement	ICT	Barton	53 min
May 14, 10:48 PM CDT	Special Weather Statement	ICT	Barton	27 min
May 14, 11:27 PM CDT	Special Weather Statement	ICT	Barton	48 min
May 15, 6:29 PM CDT	Special Weather Statement	ICT	Harper	61 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.