Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 151, NWS Springfield, MO

October 24, 2021Christian County, Douglas County, Webster County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Oct 24, 2021, 7:42 PM CDT for Christian County, Douglas County, Webster County, Missouri. 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
Oct 24, 2021, 7:42 PM CDT (00:42 UTC)
Expired
Oct 24, 2021, 8:30 PM CDT
In force
48 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Christian County, MO, Douglas County, MO, Webster County, MO

The radar

The Springfield radar (KSGF), 50 km from the middle of the area, began a volume at 00:42 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 watch it was issued in

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

IssuedProductOfficeLasted
Oct 24, 2:06 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.7 hours before the alert went out and 78 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 2021-10-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1534 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 2021-10-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 296 square meters per square second.19395878Sfc1 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
1534 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
846 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
296 m²/s²
0-3 km storm-relative helicity
317 m²/s²
Significant tornado parameter
2.8
Supercell composite
12.3

Open this sounding in Storm Lab

The text

As transmitted.

769 
WUUS53 KSGF 250042
SVRSGF
MOC043-067-225-250130-
/O.NEW.KSGF.SV.W.0151.211025T0042Z-211025T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
742 PM CDT Sun Oct 24 2021

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Southeastern Webster County in southwestern Missouri...
  Northwestern Douglas County in southwestern Missouri...
  Northeastern Christian County in southwestern Missouri...

* Until 830 PM CDT.

* At 742 PM CDT, a severe thunderstorm was located over Sparta, or 10
  miles southeast of Ozark, moving east at 35 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...
  Ava...                            Sparta...
  Oldfield...                       Elkhead...
  Bruner...                         Keltner...
  Dogwood...                        

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM CDT for southwestern
Missouri.

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

A Tornado Watch remains in effect until 1000 PM CDT for southwestern
Missouri.

&&

LAT...LON 3694 9310 3703 9311 3713 9268 3690 9268
TIME...MOT...LOC 0042Z 264DEG 29KT 3698 9304 

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

$$

Rothstein
1 follow-up statement
717 
WWUS53 KSGF 250102 RRA
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
802 PM CDT Sun Oct 24 2021

MOC043-225-250112-
/O.CAN.KSGF.SV.W.0151.000000T0000Z-211025T0130Z/
Webster MO-Christian MO-
802 PM CDT Sun Oct 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WEBSTER AND
NORTHEASTERN CHRISTIAN COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1000 PM CDT for southwestern
Missouri.

LAT...LON 3694 9291 3702 9291 3707 9280 3707 9268
      3691 9268
TIME...MOT...LOC 0102Z 267DEG 34KT 3699 9280 

$$

MOC067-250130-
/O.CON.KSGF.SV.W.0151.000000T0000Z-211025T0130Z/
Douglas MO-
802 PM CDT Sun Oct 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR NORTHWESTERN DOUGLAS COUNTY...

At 802 PM CDT, a severe thunderstorm was located 8 miles west of Ava,
moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Ava...                            Dogwood...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM CDT for southwestern
Missouri.

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

&&

LAT...LON 3694 9291 3702 9291 3707 9280 3707 9268
      3691 9268
TIME...MOT...LOC 0102Z 267DEG 34KT 3699 9280 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Rothstein

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 24, 7:06 PM CDTTornado WarningSGFDent, Shannon9 min
Oct 24, 7:10 PM CDTSevere Thunderstorm WarningSGFMaries, Phelps, Pulaski50 min
Oct 24, 7:11 PM CDTSevere Thunderstorm WarningSGFBarry49 min
Oct 24, 7:13 PM CDTSevere Thunderstorm WarningSGFGreene, Laclede, Webster, Wright47 min
Oct 24, 7:23 PM CDTSevere Thunderstorm WarningSGFShannon37 min
Oct 24, 7:37 PM CDTSevere Thunderstorm WarningSGFBarry, Stone38 min
Oct 24, 7:52 PM CDTSevere Thunderstorm WarningSGFTexas, Wright38 min
Oct 24, 8:08 PM CDTTornado WarningSGFDouglas, Wright23 min
Oct 24, 8:23 PM CDTSevere Thunderstorm WarningSGFTaney52 min
Oct 24, 8:44 PM CDTSevere Thunderstorm WarningSGFDouglas, Ozark46 min
Oct 24, 8:50 PM CDTSevere Thunderstorm WarningSGFOzark, Taney55 min
Oct 24, 9:04 PM CDTSevere Thunderstorm WarningSGFShannon, Texas41 min
Oct 24, 9:18 PM CDTSevere Thunderstorm WarningSGFHowell, Oregon, Ozark, Shannon57 min
Oct 24, 9:37 PM CDTSevere Thunderstorm WarningSGFShannon53 min
Oct 24, 10:10 PM CDTSpecial Weather StatementSGFOregon65 min

Nearby

Severe Thunderstorm Warnings in Missouri, 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.