Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 77, NWS Springfield, MO

June 11, 2021Bourbon County, Crawford County, Kansas

NWS Springfield, MO issued this severe thunderstorm warning at Jun 11, 2021, 6:43 PM CDT for Bourbon County, Crawford County, Kansas. It was in force for 62 min. 7 reports 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
Jun 11, 2021, 6:43 PM CDT (23:43 UTC)
Expired
Jun 11, 2021, 7:45 PM CDT
In force
62 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
1.75 in
Wind
80.0 mph

Counties Bourbon County, KS, Crawford County, KS

The radar

The Springfield radar (KSGF), 141 km from the middle of the area, began a volume at 23:45 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
Jun 11, 6:54 PM CDTTSTM WND DMG1 N Brazilton, KS660 AND 3 HWY, LARGE TREE OVER THE HIGHWAY BLOCKING BOTH LANES IN CRAWFORD COUNTY. TIME BASED ON RADAR ESTIMATE.
Jun 11, 7:05 PM CDTTSTM WND DMG3 Wsw Farlington, KSPOWER LINES DOWN STARTING FIRE 680TH AND 130TH CRAWFORD COUNTY KS.
Jun 11, 7:05 PM CDTTSTM WND DMGGirard, KSPOWER LINES DOWN GIRARD, KS. TIME BASED ON RADAR.
Jun 11, 7:25 PM CDTTSTM WND DMGPittsburg, KSLARGE TREE DOWN PITTSBURG, KS. TIME BASED ON RADAR.
Jun 11, 7:26 PM CDTTSTM WND DMG1 S Chicopee, KS520 AND 200 AVE IN CRAWFORD COUNTY, TREE DOWN ON POWERLINES. TIME BASED ON RADAR.
Jun 11, 7:38 PM CDTTSTM WND DMG2 S Lone Oak, KS3 FT DIAMETER SILVER MAPLE UPROOTED BLOCKING 126 HWY 2 MI WEST OF PITTSBURG. TIME BASED ON RADAR.
Jun 11, 7:38 PM CDTTSTM WND DMGChicopee, KSNUMEROUS SMALL LIMBS UP TO 4 INCHES IN DIAMETER DOWN IN CHICOPEE. TIME BASED ON RADAR.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 11, 3:54 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.7 hours before the alert went out and 128 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, Springfield, MO at 12:00Z on 2021-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2202 joules per kilogram.LCLLFCEL10008507005003002001001 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, Springfield, MO at 12:00Z on 2021-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.1939Sfc1 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
2202 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
774 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted.

348 
WUUS53 KSGF 112343
SVRSGF
KSC011-037-120045-
/O.NEW.KSGF.SV.W.0077.210611T2343Z-210612T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
643 PM CDT Fri Jun 11 2021

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Bourbon County in southeastern Kansas...
  Crawford County in southeastern Kansas...

* Until 745 PM CDT.

* At 643 PM CDT, a severe thunderstorm was located from Fort Scott 
  to Walnut, moving southeast at 15 mph.

  This is a very dangerous storm.

  HAZARD...80 mph wind gusts and golf ball size hail.

  SOURCE...Radar indicated.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be heavily damaged. Expect 
           considerable damage to roofs, windows, and vehicles. 
           Extensive tree damage and power outages are likely.

* Locations impacted include...
  Pittsburg...                      Fort Scott...
  Frontenac...                      Girard...
  Arma...                           Marmaton...
  Cherokee...                       Mulberry...
  Chicopee...                       Mccune...
  Franklin...                       Arcadia...
  Uniontown...                      Walnut...
  Redfield...                       Hepler...
  Beulah...                         Croweburg...
  Yale...                           Petersburg...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3751 9508 3783 9508 3793 9487 3793 9462
      3734 9462 3734 9507
TIME...MOT...LOC 2343Z 325DEG 15KT 3762 9500 

HAIL...1.75IN
WIND...80MPH
 
$$

Cramer
1 follow-up statement
220 
WWUS53 KSGF 120051
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
751 PM CDT Fri Jun 11 2021

KSC011-037-120101-
/O.EXP.KSGF.SV.W.0077.000000T0000Z-210612T0045Z/
Bourbon KS-Crawford KS-
751 PM CDT Fri Jun 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR BOURBON AND CRAWFORD COUNTIES
HAS EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.  However heavy
rain is still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
southeastern Kansas.

LAT...LON 3751 9508 3783 9508 3793 9487 3793 9462
      3734 9462 3734 9507
TIME...MOT...LOC 0051Z 325DEG 15KT 3740 9480 

$$

Cramer

The office that day

Everything else NWS Springfield, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 11, 5:44 PM CDTSevere Thunderstorm WarningSGFBourbon61 min
Jun 11, 6:58 PM CDTSevere Thunderstorm WarningSGFCherokee62 min

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.