Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 20, NWS Wichita, KS

April 9, 2021Labette County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Apr 9, 2021, 5:28 PM CDT for Labette County, Kansas. It was in force for 28 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: Apr 9, 2021, 5:28 PM CDT (22:28 UTC)
Expired: Apr 9, 2021, 5:56 PM CDT
In force: 28 min
Issued by: NWS Wichita, KS
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Labette County, KS

The radar

The Tulsa radar (KINX), 116 km from the middle of the area, began a volume at 22:31 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

Springfield, MO (KSGF), launched 12:00Z, 10.5 hours before the alert went out and 136 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: 107 J/kg
Mixed-layer CIN: -149 J/kg
Mixed-layer LCL: 1650 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 415 m²/s²
0-3 km storm-relative helicity: 429 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.8

Open this sounding in Storm Lab

The text

As transmitted.

123 
WUUS53 KICT 092228
SVRICT
KSC099-092330-
/O.NEW.KICT.SV.W.0020.210409T2228Z-210409T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wichita KS
528 PM CDT Fri Apr 9 2021

The National Weather Service in Wichita has issued a

* Severe Thunderstorm Warning for...
  Central Labette County in southeastern Kansas...

* Until 630 PM CDT.

* At 528 PM CDT, a severe thunderstorm was located near Edna, or near
  Altamont, moving north at 25 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Parsons, Altamont, Edna, Mound Valley, Labette, Dennis and Big Hill
  Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3715 9521 3705 9528 3706 9543 3738 9547
      3738 9510
TIME...MOT...LOC 2228Z 191DEG 20KT 3713 9536 

HAIL...1.25IN
WIND...60MPH
 
$$

BUTLER

1 follow-up statement

094 
WWUS53 KICT 092256
SVSICT

Severe Weather Statement
National Weather Service Wichita KS
556 PM CDT Fri Apr 9 2021

KSC099-092305-
/O.CAN.KICT.SV.W.0020.000000T0000Z-210409T2330Z/
Labette KS-
556 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL LABETTE COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has weakened.
Therefore, the warning has been cancelled.  However small hail and 
gusty winds are still possible with this thunderstorm.

LAT...LON 3715 9521 3705 9528 3706 9543 3738 9547
      3738 9510
TIME...MOT...LOC 2253Z 191DEG 20KT 3728 9532 

$$

BUTLER

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 9, 4:18 PM CDT	Wind Advisory	ICT	Barton, Butler, Chase, Cowley, Ellsworth, Greenwood and 10 more	5 hr
Apr 9, 4:23 PM CDT	Special Weather Statement	ICT	Sumner	22 min
Apr 9, 4:44 PM CDT	Special Weather Statement	ICT	Sumner	31 min
Apr 9, 5:02 PM CDT	Special Weather Statement	ICT	Labette	28 min
Apr 9, 5:08 PM CDT	Special Weather Statement	ICT	Cowley	37 min
Apr 9, 6:00 PM CDT	Special Weather Statement	ICT	Labette	30 min
Apr 9, 6:38 PM CDT	Special Weather Statement	ICT	Labette	37 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.