Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 140, NWS Springfield, MO

October 13, 2021Barton County, Vernon County, Missouri; Bourbon County, Crawford County, Kansas

NWS Springfield, MO issued this severe thunderstorm warning at Oct 13, 2021, 7:44 AM CDT for Barton County, Vernon County, Missouri; Bourbon County, Crawford County, Kansas. It was in force for 46 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: Oct 13, 2021, 7:44 AM CDT (12:44 UTC)
Expired: Oct 13, 2021, 8:30 AM CDT
In force: 46 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Bourbon County, KS, Crawford County, KS, Barton County, MO, Vernon County, MO

The radar

The Pleasant Hill radar (KEAX), 94 km from the middle of the area, began a volume at 12:48 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

Time	Report	Where	Remark
Oct 13, 8:03 AM CDT	TSTM WND DMG	1 Ssw Fort Scott, KS	SEVERE THUNDERSTORM WIND GUSTS DOWNED A LARGE TREE ACROSS WEST 18TH STREET ON THE SOUTHWEST SIDE OF FORT SCOTT.

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

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 0.7 hours before the alert went out and 131 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: 722 J/kg
Mixed-layer CIN: -164 J/kg
Mixed-layer LCL: 646 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 440 m²/s²
0-3 km storm-relative helicity: 590 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.7

Open this sounding in Storm Lab

The text

As transmitted.

365 
WUUS53 KSGF 131244
SVRSGF
KSC011-037-MOC011-217-131330-
/O.NEW.KSGF.SV.W.0140.211013T1244Z-211013T1330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
744 AM CDT Wed Oct 13 2021

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Eastern Bourbon County in southeastern Kansas...
  Northern Crawford County in southeastern Kansas...
  Northwestern Barton County in southwestern Missouri...
  Vernon County in west central Missouri...

* Until 830 AM CDT.

* At 744 AM CDT, severe thunderstorms were located along a line
  extending from 6 miles northeast of Redfield to 6 miles west of
  Girard, moving northeast at 85 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Nevada...                         Fort Scott...
  Girard...                         Arma...
  Marmaton...                       Arcadia...
  Walker...                         Schell City...
  Bronaugh...                       Fulton...
  Redfield...                       Hepler...
  Moundville...                     Richards...
  Milo...                           Deerfield...
  Metz...                           Harwood...
  Stotesbury...                     Farlington...

 This includes Interstate 49 between mile markers 80 and 107.
 
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 3793 9486 3804 9475 3804 9461 3806 9461
      3806 9434 3805 9424 3802 9423 3805 9421
      3804 9419 3806 9413 3804 9411 3805 9410
      3803 9406 3777 9407 3742 9506
TIME...MOT...LOC 1244Z 220DEG 75KT 3792 9483 3749 9496 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Cramer

2 follow-up statements

015 
WWUS53 KSGF 131301
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
801 AM CDT Wed Oct 13 2021

KSC011-037-MOC011-217-131330-
/O.CON.KSGF.SV.W.0140.000000T0000Z-211013T1330Z/
Bourbon KS-Crawford KS-Barton MO-Vernon MO-
801 AM CDT Wed Oct 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 AM CDT
FOR EASTERN BOURBON...NORTHEASTERN CRAWFORD...NORTHWESTERN BARTON AND
VERNON COUNTIES...

At 801 AM CDT, severe thunderstorms were located along a line
extending from near Hume to near Arma, moving northeast 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...
Nevada...                         Fort Scott...
Girard...                         Arma...
Arcadia...                        Walker...
Schell City...                    Bronaugh...
Moundville...                     Richards...
Milo...                           Deerfield...
Metz...                           Harwood...
Stotesbury...                     Horton...
Oskaloosa...                      Pawnee Station...
Hammond...                        Polk...

This includes Interstate 49 between mile markers 80 and 107.
 
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 3775 9478 3803 9467 3804 9461 3806 9461
      3806 9434 3805 9424 3802 9423 3805 9421
      3804 9419 3806 9413 3804 9411 3805 9410
      3803 9406 3777 9407 3749 9487
TIME...MOT...LOC 1301Z 226DEG 70KT 3805 9455 3754 9477 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Cramer

687 
WWUS53 KSGF 131331
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
831 AM CDT Wed Oct 13 2021

KSC011-037-MOC011-217-131341-
/O.EXP.KSGF.SV.W.0140.000000T0000Z-211013T1330Z/
Bourbon KS-Crawford KS-Barton MO-Vernon MO-
831 AM CDT Wed Oct 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN BOURBON...NORTHEASTERN
CRAWFORD...NORTHWESTERN BARTON AND VERNON COUNTIES HAS EXPIRED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been allowed to expire.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Springfield.

LAT...LON 3775 9478 3803 9467 3804 9461 3806 9461
      3806 9434 3805 9424 3802 9423 3805 9421
      3804 9419 3806 9413 3804 9411 3805 9410
      3803 9406 3777 9407 3749 9487
TIME...MOT...LOC 1331Z 270DEG 75KT 3851 9406 3800 9429 

$$

Cramer

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 13, 8:16 AM CDT	Severe Thunderstorm Warning	SGF	Barton, Vernon	44 min
Oct 13, 12:54 PM CDT	Flash Flood Watch	SGF	Barry, Christian, Greene, Lawrence, McDonald, Newton and 2 more	24 hr
Oct 13, 7:37 AM CDT	Severe Thunderstorm Warning	SGF	Cherokee, Crawford	53 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2021 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.