Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 154, NWS Springfield, MO

October 24, 2021Douglas County, Ozark County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Oct 24, 2021, 8:44 PM CDT for Douglas County, Ozark County, Missouri. It was in force for 46 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, 8:44 PM CDT (01:44 UTC)
Expired
Oct 24, 2021, 9:30 PM 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 Douglas County, MO, Ozark County, MO

The radar

The Springfield radar (KSGF), 98 km from the middle of the area, began a volume at 01:43 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, 1.7 hours before the alert went out and 120 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.

084 
WUUS53 KSGF 250144
SVRSGF
MOC067-153-250230-
/O.NEW.KSGF.SV.W.0154.211025T0144Z-211025T0230Z/

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

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Northern Ozark County in southwestern Missouri...
  Southeastern Douglas County in southwestern Missouri...

* Until 930 PM CDT.

* At 844 PM CDT, severe thunderstorms were located along a line
  extending from 10 miles south of Ava to 16 miles northwest of
  Gainesville to 15 miles north of Price Place, moving east at 50
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Wasola...                         Thornfield...
  Brixey...                         Sycamore...
  Noble...                          Squires...
  Willhoit...                       Dora...
  Rockbridge...                     Zanoni...
  Gentryville...                    

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 3669 9277 3673 9277 3676 9274 3685 9272
      3696 9209 3680 9210 3679 9212 3666 9212
TIME...MOT...LOC 0144Z 262DEG 41KT 3680 9267 3676 9265 3671 9270 

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

$$

Rothstein
2 follow-up statements
883 
WWUS53 KSGF 250157
SVSSGF

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

MOC067-153-250230-
/O.CON.KSGF.SV.W.0154.000000T0000Z-211025T0230Z/
Ozark MO-Douglas MO-
857 PM CDT Sun Oct 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR NORTHERN OZARK AND SOUTHEASTERN DOUGLAS COUNTIES...

At 857 PM CDT, severe thunderstorms were located along a line
extending from 13 miles southeast of Ava to 8 miles northwest of
Gainesville, moving east at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Brixey...                         Sycamore...
Noble...                          Willhoit...
Dora...                           Rockbridge...
Zanoni...                         Gentryville...

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.

&&

LAT...LON 3669 9265 3678 9258 3688 9250 3696 9209
      3680 9210 3679 9212 3666 9212
TIME...MOT...LOC 0157Z 262DEG 45KT 3684 9247 3677 9245 3672 9249 

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

$$

Rothstein
233 
WWUS53 KSGF 250207
SVSSGF

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

MOC067-153-250230-
/O.CON.KSGF.SV.W.0154.000000T0000Z-211025T0230Z/
Ozark MO-Douglas MO-
907 PM CDT Sun Oct 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR NORTHEASTERN OZARK AND SOUTHEASTERN DOUGLAS COUNTIES...

At 907 PM CDT, severe thunderstorms were located along a line
extending from 17 miles southeast of Ava to 8 miles north of
Gainesville, moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Dora...                           Rockbridge...
Brixey...                         Sycamore...
Zanoni...                         Gentryville...

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.

&&

LAT...LON 3669 9254 3690 9240 3696 9209 3680 9210
      3679 9212 3666 9212
TIME...MOT...LOC 0207Z 262DEG 41KT 3685 9238 3678 9236 3673 9240 

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, 7:42 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, 8:50 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.