Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 185, NWS Springfield, MO

December 15, 2021Vernon County, Missouri; Bourbon County, Kansas

NWS Springfield, MO issued this severe thunderstorm warning at Dec 15, 2021, 6:16 PM CST for Vernon County, Missouri; Bourbon County, Kansas. It was in force for 59 min. 3 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
Dec 15, 2021, 6:16 PM CST (00:16 UTC)
Expired
Dec 15, 2021, 7:15 PM CST
In force
59 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Bourbon County, KS, Vernon County, MO

The radar

The Pleasant Hill radar (KEAX), 98 km from the middle of the area, began a volume at 00:19 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
Dec 15, 6:40 PM CSTTSTM WND DMGMapleton, KSA POWER POLE AND FOUR INCH TREE LIMBS DOWN IN MAPLETON.
Dec 15, 7:05 PM CSTTSTM WND GST 555 E Richards, MOMEASURED ON DAVIS WEATHER STATION.
Dec 15, 7:13 PM CSTTSTM WND DMG4 E Fort Scott, KSSTORM CAUSED ROOF DAMAGE TO A HOME ON LOCUST RD EAST OF FORT SCOTT. HOME LOST SHINGLES AND HAD GUTTER DAMAGE.

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
Dec 15, 6:00 PM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.3 hours before the alert went out and 135 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 00:00Z on 2021-12-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 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 00:00Z on 2021-12-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 310 square meters per square second.1939587897Sfc1 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
9 J/kg
Mixed-layer CIN
-387 J/kg
Mixed-layer LCL
1246 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
310 m²/s²
0-3 km storm-relative helicity
677 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

586 
WUUS53 KSGF 160016
SVRSGF
KSC011-MOC217-160115-
/O.NEW.KSGF.SV.W.0185.211216T0016Z-211216T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
616 PM CST Wed Dec 15 2021

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Bourbon County in southeastern Kansas...
  Vernon County in west central Missouri...

* Until 715 PM CST.

* At 615 PM CST, a severe thunderstorm was located over Humboldt,
  moving east at 65 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...
  Nevada...                         Fort Scott...
  Marmaton...                       Bronson...
  Uniontown...                      Walker...
  Bronaugh...                       Fulton...
  Redfield...                       Moundville...
  Richards...                       Milo...
  Mapleton...                       Deerfield...
  Metz...                           Stotesbury...
  Harding...                        Petersburg...
  Porterville...                    Xenia...

 This includes Interstate 49 between mile markers 79 and 107.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3804 9508 3804 9461 3806 9461 3806 9449
      3805 9424 3803 9424 3802 9423 3804 9422
      3803 9421 3768 9425 3767 9473 3768 9509
TIME...MOT...LOC 0015Z 255DEG 58KT 3781 9543 

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

$$

Wise
4 follow-up statements
190 
WWUS53 KSGF 160027
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
627 PM CST Wed Dec 15 2021

KSC011-MOC217-160115-
/O.CON.KSGF.SV.W.0185.000000T0000Z-211216T0115Z/
Bourbon KS-Vernon MO-
627 PM CST Wed Dec 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CST
FOR BOURBON AND VERNON COUNTIES...

At 626 PM CST, severe thunderstorms were located along a line
extending from near Kincaid to near Moran to 7 miles southeast of
Humboldt, moving east at 65 mph.

HAZARD...70 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Nevada...                         Fort Scott...
Marmaton...                       Bronson...
Uniontown...                      Walker...
Bronaugh...                       Fulton...
Redfield...                       Moundville...
Richards...                       Milo...
Mapleton...                       Deerfield...
Metz...                           Stotesbury...
Harding...                        Petersburg...
Porterville...                    Xenia...

This includes Interstate 49 between mile markers 79 and 107.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3804 9508 3804 9461 3806 9461 3806 9449
      3805 9424 3803 9424 3802 9423 3804 9422
      3803 9421 3768 9425 3767 9473 3768 9509
TIME...MOT...LOC 0026Z 252DEG 58KT 3800 9517 3785 9518 3776 9531 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Wise
452 
WWUS53 KSGF 160030 CCA
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
630 PM CST Wed Dec 15 2021

KSC011-MOC217-160115-
/O.COR.KSGF.SV.W.0185.000000T0000Z-211216T0115Z/
Bourbon KS-Vernon MO-
630 PM CST Wed Dec 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CST
FOR BOURBON AND VERNON COUNTIES...

At 629 PM CST, severe thunderstorms were located along a line
extending from near Kincaid to near Moran to 9 miles east of
Humboldt, moving east at 65 mph.

HAZARD...70 mph wind gusts and half dollar size hail.

SOURCE...Trained weather spotters. The AWOS at the Iola KS Airport 
         measured a 68 MOH wind gust with this line of storms.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Nevada...                         Fort Scott...
Marmaton...                       Bronson...
Uniontown...                      Walker...
Bronaugh...                       Fulton...
Redfield...                       Moundville...
Richards...                       Milo...
Mapleton...                       Deerfield...
Metz...                           Stotesbury...
Harding...                        Petersburg...
Porterville...                    Xenia...

This includes Interstate 49 between mile markers 79 and 107.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3804 9508 3804 9461 3806 9461 3806 9449
      3805 9424 3803 9424 3802 9423 3804 9422
      3803 9421 3768 9425 3767 9473 3768 9509
TIME...MOT...LOC 0026Z 252DEG 58KT 3800 9517 3785 9518 3776 9531 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Wise
548 
WWUS53 KSGF 160042
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
642 PM CST Wed Dec 15 2021

KSC011-MOC217-160115-
/O.CON.KSGF.SV.W.0185.000000T0000Z-211216T0115Z/
Bourbon KS-Vernon MO-
642 PM CST Wed Dec 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CST
FOR BOURBON AND VERNON COUNTIES...

At 640 PM CST, severe thunderstorms were located along a line
extending from near Blue Mound to near Redfield to near Uniontown,
moving east at 65 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Trained weather spotters.  65 MPH Wind gusts was reported 
         in Moran KS and multiple trees down between Humboldt and 
         Iola KS with winds estimated at 60 to 70 mph when the 
         storms move through those locations. 

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Nevada...                         Fort Scott...
Marmaton...                       Bronson...
Uniontown...                      Walker...
Bronaugh...                       Fulton...
Redfield...                       Moundville...
Richards...                       Milo...
Mapleton...                       Deerfield...
Metz...                           Stotesbury...
Harding...                        Petersburg...
Porterville...                    Xenia...

This includes Interstate 49 between mile markers 79 and 107.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3804 9508 3804 9461 3806 9461 3806 9449
      3805 9424 3803 9424 3802 9423 3804 9422
      3803 9421 3768 9425 3767 9473 3768 9509
TIME...MOT...LOC 0040Z 252DEG 58KT 3806 9492 3791 9493 3782 9506 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Wise
707 
WWUS53 KSGF 160103
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
703 PM CST Wed Dec 15 2021

KSC011-MOC217-160115-
/O.CON.KSGF.SV.W.0185.000000T0000Z-211216T0115Z/
Bourbon KS-Vernon MO-
703 PM CST Wed Dec 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CST
FOR BOURBON AND VERNON COUNTIES...

At 702 PM CST, severe thunderstorms were located along a line
extending from 8 miles southwest of Fulton to near Redfield to near
Hepler, moving east at 65 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...
Marmaton...                       Uniontown...
Walker...                         Bronaugh...
Fulton...                         Redfield...
Moundville...                     Richards...
Milo...                           Deerfield...
Metz...                           Stotesbury...
Horton...                         Harding...
Pawnee Station...                 Hiattville...
Petersburg...                     Hammond...

This includes Interstate 49 between mile markers 79 and 107.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3799 9498 3804 9461 3806 9461 3806 9449
      3805 9424 3803 9424 3802 9423 3804 9422
      3803 9421 3768 9425 3767 9473 3768 9509
TIME...MOT...LOC 0102Z 250DEG 57KT 3795 9486 3780 9487 3771 9500 

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

$$

Wise

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 15, 7:08 PM CSTSevere Thunderstorm WarningSGFBarton, Vernon67 min
Dec 15, 7:42 PM CSTSevere Thunderstorm WarningSGFSt. Clair33 min
Dec 15, 7:58 PM CSTSpecial Weather StatementSGFBarton, Jasper62 min
Dec 15, 8:06 PM CSTSpecial Weather StatementSGFCedar, Hickory, St. Clair54 min
Dec 15, 8:52 PM CSTSpecial Weather StatementSGFCedar, Dade, Polk53 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2021Severe 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.