Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 157, NWS Springfield, MO

October 24, 20214 counties in Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Oct 24, 2021, 9:18 PM CDT for 4 counties in Missouri. It was in force for 57 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 24, 2021, 9:18 PM CDT (02:18 UTC)
Expired
Oct 24, 2021, 10:15 PM CDT
In force
57 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Howell County, MO, Oregon County, MO, Ozark County, MO, Shannon County, MO

The radar

The Springfield radar (KSGF), 134 km from the middle of the area, began a volume at 02:21 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
Oct 24, 9:58 PM CDTHAIL 0.881 N Moody, MODELAYED REPORT FROM SOCIAL MEDIA OF NICKEL SIZE HAIL JUST NORTH OF MOODY.

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
Oct 24, 2:06 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.3 hours before the alert went out and 159 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.

425 
WUUS53 KSGF 250218
SVRSGF
MOC091-149-153-203-250315-
/O.NEW.KSGF.SV.W.0157.211025T0218Z-211025T0315Z/

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

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Eastern Ozark County in southwestern Missouri...
  Southwestern Shannon County in south central Missouri...
  Howell County in south central Missouri...
  Western Oregon County in south central Missouri...

* Until 1015 PM CDT.

* At 917 PM CDT, severe thunderstorms were located along a line
  extending from near Willow Springs to near Price Place, moving east
  at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  West Plains...                    Grand Gulf State Park...
  Mountain View...                  Willow Springs...
  Birch Tree...                     Pomona...
  Bakersfield...                    South Fork...
  Koshkonong...                     Brandsville...
  Montier...                        Thomasville...
  Peace Valley...                   Lanton...
  Teresita...                       Pottersville...
  Caulfield...                      Rover...
  Siloam Springs...                 White Church...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3650 9225 3662 9223 3679 9215 3680 9210
      3691 9210 3705 9203 3704 9141 3650 9167
TIME...MOT...LOC 0217Z 265DEG 34KT 3701 9199 3652 9255 

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

$$

Rothstein
1 follow-up statement
026 
WWUS53 KSGF 250311
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
1011 PM CDT Sun Oct 24 2021

MOC091-149-153-203-250320-
/O.EXP.KSGF.SV.W.0157.000000T0000Z-211025T0315Z/
Ozark MO-Shannon MO-Howell MO-Oregon MO-
1011 PM CDT Sun Oct 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN OZARK...SOUTHWESTERN
SHANNON...HOWELL AND WESTERN OREGON COUNTIES WILL EXPIRE AT 1015 PM
CDT...
            
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 will be allowed to expire.  However small hail
and gusty winds are still possible with these thunderstorms.

A Tornado Watch remains in effect until 1100 PM CDT for south central
and southwestern Missouri...and southwestern Missouri.

LAT...LON 3650 9225 3662 9223 3679 9215 3680 9210
      3691 9210 3705 9203 3704 9141 3650 9167
TIME...MOT...LOC 0310Z 265DEG 34KT 3705 9138 3656 9195 

$$

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, 7:42 PM CDTSevere Thunderstorm WarningSGFChristian, Douglas, Webster48 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, 9:37 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.