Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 126, NWS Springfield, MO

September 7, 2021Bourbon County, Crawford County, Kansas

NWS Springfield, MO issued this severe thunderstorm warning at Sep 7, 2021, 6:57 PM CDT for Bourbon County, Crawford County, Kansas. It was in force for 48 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
Sep 7, 2021, 6:57 PM CDT (23:57 UTC)
Expired
Sep 7, 2021, 7:45 PM CDT
In force
48 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Bourbon County, KS, Crawford County, KS

The radar

The Pleasant Hill radar (KEAX), 132 km from the middle of the area, began a volume at 23:58 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, 12.0 hours before the alert went out and 127 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 2021-09-07Temperature 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, Springfield, MO at 12:00Z on 2021-09-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2066 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

145 
WUUS53 KSGF 072357
SVRSGF
KSC011-037-080045-
/O.NEW.KSGF.SV.W.0126.210907T2357Z-210908T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
657 PM CDT Tue Sep 7 2021

The National Weather Service in Springfield has issued a

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

* Until 745 PM CDT.

* At 657 PM CDT, a severe thunderstorm was located over Redfield, or
  near Fort Scott, moving south at 25 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.

* This severe thunderstorm will be near...
  Fort Scott around 700 PM CDT.
  Girard, Frontenac and Arma around 745 PM CDT.

Other locations impacted by this severe thunderstorm include
Marmaton, Franklin, Hiattville, Petersburg, Farlington, Croweburg,
Brazilton, Polk, Ringo and Pawnee Station.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 3786 9500 3791 9474 3767 9462 3749 9462
      3746 9495
TIME...MOT...LOC 2357Z 351DEG 23KT 3783 9483 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Burchfield
2 follow-up statements
160 
WWUS53 KSGF 080023
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
723 PM CDT Tue Sep 7 2021

KSC011-037-080045-
/O.CON.KSGF.SV.W.0126.000000T0000Z-210908T0045Z/
Bourbon KS-Crawford KS-
723 PM CDT Tue Sep 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR SOUTHEASTERN BOURBON AND NORTHEASTERN CRAWFORD COUNTIES...

At 722 PM CDT, a severe thunderstorm was located 9 miles east of
Hepler, or 11 miles north of Girard, moving south at 25 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.

This severe storm will be near...
  Girard and Arma around 745 PM CDT.
  Frontenac around 755 PM CDT.

Other locations impacted by this severe thunderstorm include
Franklin, Hiattville, Farlington, Croweburg, Brazilton, Polk, Ringo,
Pawnee Station and Englevale.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3772 9498 3779 9482 3780 9468 3767 9462
      3749 9462 3746 9495
TIME...MOT...LOC 0022Z 351DEG 23KT 3767 9480 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Burchfield
543 
WWUS53 KSGF 080037
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
737 PM CDT Tue Sep 7 2021

KSC011-080046-
/O.CAN.KSGF.SV.W.0126.000000T0000Z-210908T0045Z/
Bourbon KS-
737 PM CDT Tue Sep 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BOURBON COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3767 9497 3767 9462 3749 9462 3746 9495
TIME...MOT...LOC 0036Z 351DEG 23KT 3758 9478 

$$

KSC037-080045-
/O.CON.KSGF.SV.W.0126.000000T0000Z-210908T0045Z/
Crawford KS-
737 PM CDT Tue Sep 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHEASTERN CRAWFORD COUNTY...

At 736 PM CDT, a severe thunderstorm was located near Arma, or near
Girard, moving south at 25 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.

This severe storm will be near...
  Girard and Arma around 745 PM CDT.
  Frontenac around 755 PM CDT.

Other locations impacted by this severe thunderstorm include
Franklin, Farlington, Croweburg, Brazilton, Polk, Ringo and
Englevale.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3767 9497 3767 9462 3749 9462 3746 9495
TIME...MOT...LOC 0036Z 351DEG 23KT 3758 9478 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Burchfield

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 7, 6:24 PM CDTSpecial Weather StatementSGFBourbon36 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.