Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 22, NWS St. Louis, MO

October 24, 2021Reynolds County, Missouri

NWS St. Louis, MO issued this tornado warning at Oct 24, 2021, 7:06 PM CDT for Reynolds County, Missouri. It was in force for 39 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, 7:06 PM CDT (00:06 UTC)
Expired
Oct 24, 2021, 7:45 PM CDT
In force
39 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Reynolds County, MO

The radar

The St Louis radar (KLSX), 139 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.

What was reported inside it

TimeReportWhereRemark
Oct 24, 7:43 PM CDTTORNADO5 E Black, MOCORRECTS PREVIOUS TORNADO REPORT FROM 5 E BLACK. A TORNADO TOUCHED DOWN JUST OUTSIDE OF JOHNSON`S SHUT INS STATE PARK ON HIGHWAY N, EAST OF BLACK, MO. THIS TORNADO SNAPPED THE TRUNKS OF SEVERAL LARGE TREES ALONG THE ROAD BEFORE MOVING INTO THE PARK WHERE IT CA

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, 0.1 hours before the alert went out and 248 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.

244 
WFUS53 KLSX 250006
TORLSX
MOC179-250045-
/O.NEW.KLSX.TO.W.0022.211025T0006Z-211025T0045Z/

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

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Northern Reynolds County in southeastern Missouri...

* Until 745 PM CDT.
    
* At 706 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Bunker, moving northeast at 40 mph.

  HAZARD...Tornado.

  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.

* This dangerous storm will be near...
  Bunker around 715 PM CDT.
  Reynolds around 720 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Oates.

This also includes Johnsons Shut-Ins State Park.
 
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 3741 9118 3742 9121 3750 9121 3751 9130
      3759 9119 3759 9110 3760 9100 3760 9079
      3750 9077 3733 9118
TIME...MOT...LOC 0006Z 235DEG 33KT 3741 9128 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Glass
3 follow-up statements
558 
WWUS53 KLSX 250015
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
715 PM CDT Sun Oct 24 2021

MOC179-250045-
/O.CON.KLSX.TO.W.0022.000000T0000Z-211025T0045Z/
Reynolds MO-
715 PM CDT Sun Oct 24 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR NORTHERN
REYNOLDS COUNTY...
    
At 714 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Bunker, moving northeast at 40 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...
  Oates.

This also includes Johnsons Shut-Ins State Park.
 
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 3741 9118 3742 9121 3751 9121 3757 9112
      3759 9110 3760 9100 3760 9079 3753 9081
      3737 9117
TIME...MOT...LOC 0014Z 237DEG 33KT 3745 9119 

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

$$

Glass
979 
WWUS53 KLSX 250027
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
727 PM CDT Sun Oct 24 2021

MOC179-250045-
/O.CON.KLSX.TO.W.0022.000000T0000Z-211025T0045Z/
Reynolds MO-
727 PM CDT Sun Oct 24 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
NORTHEASTERN REYNOLDS COUNTY...
    
At 727 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Oates, moving northeast at 35 mph.

HAZARD...Tornado.

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...
Oates and Black. 

This also includes Johnsons Shut-Ins State Park.
 
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 3741 9109 3744 9113 3749 9114 3755 9110
      3758 9107 3760 9100 3760 9079 3753 9081
      3741 9108
TIME...MOT...LOC 0027Z 239DEG 32KT 3749 9106 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Glass
682 
WWUS53 KLSX 250035
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
735 PM CDT Sun Oct 24 2021

MOC179-250045-
/O.CON.KLSX.TO.W.0022.000000T0000Z-211025T0045Z/
Reynolds MO-
735 PM CDT Sun Oct 24 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
NORTHEASTERN REYNOLDS COUNTY...
    
At 735 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Oates, moving northeast at 40 mph.

HAZARD...Tornado.

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...
Black.

This also includes Johnsons Shut-Ins State Park.
 
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 3746 9099 3748 9102 3752 9105 3754 9104
      3760 9100 3760 9079 3753 9081 3745 9098
TIME...MOT...LOC 0035Z 235DEG 33KT 3754 9098 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Glass

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 24, 7:00 PM CDTSevere Thunderstorm WarningLSXPike34 min
Oct 24, 7:03 PM CDTSevere Thunderstorm WarningLSXLincoln, Montgomery, Warren42 min
Oct 24, 7:07 PM CDTSevere Thunderstorm WarningLSXCallaway, Franklin, Gasconade, Montgomery, Osage, Warren38 min
Oct 24, 7:09 PM CDTTornado WarningLSXCrawford, Iron, Washington31 min
Oct 24, 7:37 PM CDTSevere Thunderstorm WarningLSXReynolds38 min
Oct 24, 7:39 PM CDTSevere Thunderstorm WarningLSXJefferson, Sainte Genevieve, Saint Francois, Washington51 min
Oct 24, 7:48 PM CDTTornado WarningLSXIron, Madison, Reynolds, Saint Francois27 min
Oct 24, 8:03 PM CDTTornado WarningLSXSainte Genevieve, Saint Francois42 min
Oct 24, 8:09 PM CDTTornado WarningLSXSainte Genevieve, Saint Francois40 min
Oct 24, 8:10 PM CDTTornado WarningLSXIron, Madison, Reynolds50 min
Oct 24, 8:23 PM CDTTornado WarningLSXIron, Madison, Reynolds52 min
Oct 24, 8:34 PM CDTTornado Warning Tornado observedConsiderable damage threatLSXSainte Genevieve41 min
Oct 24, 8:48 PM CDTTornado Warning Tornado observedConsiderable damage threatLSXMadison, Saint Francois27 min
Oct 24, 9:08 PM CDTSevere Thunderstorm WarningLSXJefferson, Saint Louis54 min
Oct 24, 9:11 PM CDTTornado WarningLSXIron, Madison49 min
Oct 24, 9:12 PM CDTFlash Flood WarningLSXIron, Madison4 hr
Oct 24, 9:37 PM CDTSevere Thunderstorm WarningLSXIron, Reynolds36 min
Oct 24, 10:07 PM CDTSevere Thunderstorm WarningLSXIron, Reynolds38 min
Oct 24, 10:12 PM CDTFlash Flood WarningLSXMadison4 hr

Nearby

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