Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 6, NWS Wichita, KS

March 12, 2021Butler County, Sedgwick County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Mar 12, 2021, 6:07 AM CST for Butler County, Sedgwick County, Kansas. It was in force for 42 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
Mar 12, 2021, 6:07 AM CST (12:07 UTC)
Expired
Mar 12, 2021, 6:49 AM CST
In force
42 min
Issued by
NWS Wichita, KS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Butler County, KS, Sedgwick County, KS

The radar

The Wichita radar (KICT), 19 km from the middle of the area, began a volume at 12:11 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
Mar 12, 6:25 AM CSTTSTM WND GST 602 Se Downtown Wichita, KSPENNY SIZED HAIL WAS REPORTED AS WELL.

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

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 0.1 hours before the alert went out and 200 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 12:00Z on 2021-03-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2021-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1908 m above ground
0-6 km bulk shear
84 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
236 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

431 
WUUS53 KICT 121207
SVRICT
KSC015-173-121300-
/O.NEW.KICT.SV.W.0006.210312T1207Z-210312T1300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wichita KS
607 AM CST Fri Mar 12 2021

The National Weather Service in Wichita has issued a

* Severe Thunderstorm Warning for...
  Northeastern Sedgwick County in south central Kansas...
  Southwestern Butler County in south central Kansas...

* Until 700 AM CST.

* At 606 AM CST, a severe thunderstorm was located over Colwich,
  moving east at 50 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Wichita, Derby, El Dorado, Andover, Augusta, Park City, Valley
  Center, Bel Aire, Rose Hill, Maize, Sedgwick, Towanda, Benton,
  Downtown Wichita, Kechi, Eastborough, West Wichita, Eisenhower
  National Airport, Northeast Wichita and East Wichita.

This includes the following highways...
 Interstate 135 between Mile Markers 0 and 22.
 Interstate 35 between Mile Markers 41 and 72.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3759 9748 3791 9748 3791 9688 3756 9688
TIME...MOT...LOC 1206Z 274DEG 44KT 3776 9756 

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

KETCHAM
2 follow-up statements
315 
WWUS53 KICT 121241
SVSICT

Severe Weather Statement
National Weather Service Wichita KS
641 AM CST Fri Mar 12 2021

KSC015-173-121300-
/O.CON.KICT.SV.W.0006.000000T0000Z-210312T1300Z/
Sedgwick KS-Butler KS-
641 AM CST Fri Mar 12 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 AM CST
FOR NORTHEASTERN SEDGWICK AND SOUTHWESTERN BUTLER COUNTIES...

At 641 AM CST, a severe thunderstorm was located near Augusta, moving
east at 50 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Wichita, El Dorado, Andover, Augusta, Park City, Valley Center, Bel
Aire, Rose Hill, Towanda, Benton, Kechi, Eastborough, East Wichita,
Northeast Wichita, Mcconnell Air Force Base, Santa Fe Lake, Augusta
Municipal Airport and Jabara Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3776 9740 3791 9740 3791 9688 3756 9688
      3758 9725
TIME...MOT...LOC 1241Z 274DEG 44KT 3773 9701 

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

KETCHAM
048 
WWUS53 KICT 121249
SVSICT

Severe Weather Statement
National Weather Service Wichita KS
649 AM CST Fri Mar 12 2021

KSC015-173-121258-
/O.CAN.KICT.SV.W.0006.000000T0000Z-210312T1300Z/
Sedgwick KS-Butler KS-
649 AM CST Fri Mar 12 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SEDGWICK AND
SOUTHWESTERN BUTLER 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 and
gusty winds are still possible with this thunderstorm.

LAT...LON 3776 9740 3791 9740 3791 9688 3756 9688
      3758 9725
TIME...MOT...LOC 1247Z 274DEG 44KT 3772 9689 

$$

KETCHAM

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 12, 4:57 AM CSTSevere Thunderstorm WarningICTKingman, Reno63 min
Mar 12, 5:00 AM CSTSpecial Weather StatementICTRice45 min
Mar 12, 5:35 AM CSTSevere Thunderstorm WarningICTHarvey, Kingman, Reno, Sedgwick55 min
Mar 12, 5:48 AM CSTSpecial Weather StatementICTCowley57 min
Mar 12, 6:50 AM CSTSpecial Weather StatementICTButler55 min
Mar 12, 7:10 AM CSTSpecial Weather StatementICTElk50 min
Mar 12, 7:14 AM CSTSpecial Weather StatementICTGreenwood46 min
Mar 12, 8:43 AM CSTSevere Thunderstorm WarningICTHarper28 min
Mar 12, 9:40 AM CSTSpecial Weather StatementICTHarper65 min
Mar 12, 10:12 AM CSTSpecial Weather StatementICTElk48 min
Mar 12, 10:31 AM CSTSpecial Weather StatementICTSedgwick44 min
Mar 12, 10:43 AM CSTSpecial Weather StatementICTSumner47 min
Mar 12, 10:49 AM CSTSpecial Weather StatementICTButler41 min
Mar 12, 11:11 AM CSTSpecial Weather StatementICTButler49 min
Mar 12, 11:51 AM CSTSpecial Weather StatementICTElk54 min
Mar 12, 12:08 PM CSTAreal Flood WarningICTAllen, Woodson48 hr
Mar 12, 12:39 PM CSTSpecial Weather StatementICTWilson51 min
Mar 12, 12:55 PM CSTSpecial Weather StatementICTNeosho50 min
Mar 12, 3:04 PM CSTAreal Flood WarningICTNeosho45 hr

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.