Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 117, NWS Springfield, MO

July 31, 2021Cherokee County, Crawford County, Kansas

NWS Springfield, MO issued this severe thunderstorm warning at Jul 31, 2021, 6:45 PM CDT for Cherokee County, Crawford County, Kansas. It was in force for 30 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
Jul 31, 2021, 6:45 PM CDT (23:45 UTC)
Expired
Jul 31, 2021, 7:15 PM CDT
In force
30 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cherokee County, KS, Crawford County, KS

The radar

The Springfield radar (KSGF), 140 km from the middle of the area, began a volume at 23:47 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, 11.8 hours before the alert went out and 118 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 2021-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1314 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 2021-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 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
1314 J/kg
Mixed-layer CIN
-81 J/kg
Mixed-layer LCL
1358 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

823 
WUUS53 KSGF 312345
SVRSGF
KSC021-037-010015-
/O.NEW.KSGF.SV.W.0117.210731T2345Z-210801T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
645 PM CDT Sat Jul 31 2021

The National Weather Service in Springfield has issued a

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

* Until 715 PM CDT.

* At 645 PM CDT, a severe thunderstorm was located near Mccune, or 10
  miles southwest of Girard, moving east 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.

* Locations impacted include...
  Pittsburg...                      Cherokee...
  Weir...                           Scammon...
  Chicopee...                       Mccune...
  Roseland...                       Beulah...
  Opolis...                         Lawton...
  Carona...                         Lone Oak...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3751 9508 3741 9462 3721 9462 3733 9508
      3738 9507 3739 9509 3750 9509
TIME...MOT...LOC 2345Z 286DEG 21KT 3739 9496 

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

Schaumann
2 follow-up statements
664 
WWUS53 KSGF 312357
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
657 PM CDT Sat Jul 31 2021

KSC021-037-010015-
/O.CON.KSGF.SV.W.0117.000000T0000Z-210801T0015Z/
Cherokee KS-Crawford KS-
657 PM CDT Sat Jul 31 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR NORTHEASTERN CHEROKEE AND SOUTHERN CRAWFORD COUNTIES...

At 656 PM CDT, a cluster of severe thunderstorms was located from 
near McCune to Weir, moving east 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.

Locations impacted include...
Pittsburg...                      Cherokee...
Weir...                           Scammon...
Chicopee...                       Mccune...
Roseland...                       Beulah...
Opolis...                         Lawton...
Carona...                         Lone Oak...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3751 9508 3741 9462 3721 9462 3733 9508
      3738 9507 3739 9509 3750 9509
TIME...MOT...LOC 2356Z 286DEG 21KT 3737 9488 

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

Schaumann
083 
WWUS53 KSGF 010014
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
714 PM CDT Sat Jul 31 2021

KSC021-037-010023-
/O.EXP.KSGF.SV.W.0117.000000T0000Z-210801T0015Z/
Cherokee KS-Crawford KS-
714 PM CDT Sat Jul 31 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CHEROKEE AND
SOUTHERN CRAWFORD COUNTIES WILL EXPIRE AT 715 PM CDT...
                
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 will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

LAT...LON 3751 9508 3741 9462 3721 9462 3733 9508
      3738 9507 3739 9509 3750 9509
TIME...MOT...LOC 0013Z 286DEG 21KT 3734 9476 

$$

DSA

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 6:40 PM CDTSpecial Weather StatementSGFCrawford35 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.