Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 29, NWS Springfield, MO

October 24, 2021Dent County, Shannon County, Missouri

NWS Springfield, MO issued this tornado warning at Oct 24, 2021, 7:06 PM CDT for Dent County, Shannon County, Missouri. It was in force for 9 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, 7:06 PM CDT (00:06 UTC)
Expired: Oct 24, 2021, 7:15 PM CDT
In force: 9 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Dent County, MO, Shannon County, MO

The radar

The St Louis radar (KLSX), 151 km from the middle of the area, began a volume at 00:09 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.

Issued	Product	Office	Lasted
Oct 24, 2:06 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.1 hours before the alert went out and 233 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: 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.

064 
WFUS53 KSGF 250006
TORSGF
MOC065-203-250015-
/O.NEW.KSGF.TO.W.0029.211025T0006Z-211025T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Springfield MO
706 PM CDT Sun Oct 24 2021

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  North central Shannon County in south central Missouri...
  Southeastern Dent County in south central Missouri...

* Until 715 PM CDT.
    
* At 705 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Bunker, or 21 miles southeast of Salem, moving
  northeast at 50 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Bunker...                         

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3734 9131 3742 9137 3750 9125 3750 9121
      3742 9121 3741 9117 3737 9117
TIME...MOT...LOC 0005Z 240DEG 43KT 3741 9126 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Titus

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 24, 7:10 PM CDT	Severe Thunderstorm Warning	SGF	Maries, Phelps, Pulaski	50 min
Oct 24, 7:11 PM CDT	Severe Thunderstorm Warning	SGF	Barry	49 min
Oct 24, 7:13 PM CDT	Severe Thunderstorm Warning	SGF	Greene, Laclede, Webster, Wright	47 min
Oct 24, 7:23 PM CDT	Severe Thunderstorm Warning	SGF	Shannon	37 min
Oct 24, 7:37 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Stone	38 min
Oct 24, 7:42 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Douglas, Webster	48 min
Oct 24, 7:52 PM CDT	Severe Thunderstorm Warning	SGF	Texas, Wright	38 min
Oct 24, 8:08 PM CDT	Tornado Warning	SGF	Douglas, Wright	23 min
Oct 24, 8:23 PM CDT	Severe Thunderstorm Warning	SGF	Taney	52 min
Oct 24, 8:44 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Ozark	46 min
Oct 24, 8:50 PM CDT	Severe Thunderstorm Warning	SGF	Ozark, Taney	55 min
Oct 24, 9:04 PM CDT	Severe Thunderstorm Warning	SGF	Shannon, Texas	41 min
Oct 24, 9:18 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Oregon, Ozark, Shannon	57 min
Oct 24, 9:37 PM CDT	Severe Thunderstorm Warning	SGF	Shannon	53 min
Oct 24, 10:10 PM CDT	Special Weather Statement	SGF	Oregon	65 min

Nearby

Tornado Warnings in Missouri, 2021 Every tornado warning in 2021 Tornadoes 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.