Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 13, NWS St. Louis, MO

June 24, 2021Audrain County, Monroe County, Ralls County, Missouri

NWS St. Louis, MO issued this tornado warning at Jun 24, 2021, 11:35 PM CDT for Audrain County, Monroe County, Ralls County, Missouri. It was in force for 40 min. 2 reports 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
Jun 24, 2021, 11:35 PM CDT (04:35 UTC)
Expired
Jun 25, 2021, 12:15 AM CDT
In force
40 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Audrain County, MO, Monroe County, MO, Ralls County, MO

The radar

The St Louis radar (KLSX), 124 km from the middle of the area, began a volume at 04:35 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
Jun 25, 12:03 AM CDTTSTM WND GST 607 N Mexico, MOHAM REPORTED 50-60 MPH WINDS.
Jun 25, 12:11 AM CDTTSTM WND DMGFarber, MOMULTIPLE TREE LIMBS DOWN AND A FEW SHINGLES RIPPED OFF HOMES ALONG TRABUE DRIVE.

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
Jun 24, 8:57 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 4.6 hours before the alert went out and 275 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, Davenport, at 00:00Z on 2021-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 112 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, Davenport, at 00:00Z on 2021-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 square meters per square second.193958Sfc1 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
112 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
817 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
230 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted.

712 
WFUS53 KLSX 250435
TORLSX
MOC007-137-173-250515-
/O.NEW.KLSX.TO.W.0013.210625T0435Z-210625T0515Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
1135 PM CDT Thu Jun 24 2021

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Southwestern Ralls County in northeastern Missouri...
  Northeastern Audrain County in central Missouri...
  Southeastern Monroe County in northeastern Missouri...

* Until 1215 AM CDT.
    
* At 1135 PM CDT, a severe thunderstorm capable of producing a
  tornado was located 9 miles northeast of Centralia, moving east at
  50 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...
  Santa Fe around 1150 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Perry, Farber, Vandalia and Center.

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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3938 9211 3953 9147 3928 9143 3925 9208
TIME...MOT...LOC 0435Z 260DEG 43KT 3933 9204 

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

$$

CVKING
3 follow-up statements
796 
WWUS53 KLSX 250442
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1142 PM CDT Thu Jun 24 2021

MOC007-137-173-250515-
/O.CON.KLSX.TO.W.0013.000000T0000Z-210625T0515Z/
Ralls MO-Audrain MO-Monroe MO-
1142 PM CDT Thu Jun 24 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT FOR
SOUTHWESTERN RALLS...NORTHEASTERN AUDRAIN AND SOUTHEASTERN MONROE
COUNTIES...
    
At 1142 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles southwest of Santa Fe, moving east 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...
  Santa Fe around 1155 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Perry, Vandalia and Farber.

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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3938 9206 3953 9147 3928 9143 3925 9201
TIME...MOT...LOC 0442Z 263DEG 33KT 3931 9198 

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

$$

CVKING
790 
WWUS53 KLSX 250452 RRA
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1152 PM CDT Thu Jun 24 2021

MOC007-137-173-250515-
/O.CON.KLSX.TO.W.0013.000000T0000Z-210625T0515Z/
Ralls MO-Audrain MO-Monroe MO-
1152 PM CDT Thu Jun 24 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT FOR
SOUTHWESTERN RALLS...NORTHEASTERN AUDRAIN AND SOUTHEASTERN MONROE
COUNTIES...
    
At 1152 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Santa Fe, moving east at 50 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...
  Perry, Farber and Vandalia.

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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3953 9147 3928 9143 3926 9193 3942 9189
TIME...MOT...LOC 0452Z 260DEG 43KT 3933 9182 

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

$$

CVKING
341 
WWUS53 KLSX 250505
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1205 AM CDT Fri Jun 25 2021

MOC137-250515-
/O.CAN.KLSX.TO.W.0013.000000T0000Z-210625T0515Z/
Monroe MO-
1205 AM CDT Fri Jun 25 2021

...THE TORNADO WARNING FOR SOUTHEASTERN MONROE COUNTY IS CANCELLED...
    
The tornadic 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 400 AM CDT for central and
northeastern Missouri.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
northeastern Missouri.

LAT...LON 3945 9146 3928 9143 3927 9173 3941 9171
      3946 9146
TIME...MOT...LOC 0505Z 260DEG 43KT 3936 9162 

$$

MOC007-173-250515-
/O.CON.KLSX.TO.W.0013.000000T0000Z-210625T0515Z/
Ralls MO-Audrain MO-
1205 AM CDT Fri Jun 25 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT FOR
SOUTHWESTERN RALLS AND NORTHEASTERN AUDRAIN COUNTIES...
    
At 1205 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Perry, moving east at 50 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...
Vandalia and Farber. 

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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3945 9146 3928 9143 3927 9173 3941 9171
      3946 9146
TIME...MOT...LOC 0505Z 260DEG 43KT 3936 9162 

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

$$

CVKING

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 10:57 PM CDTSevere Thunderstorm WarningLSXMonroe, Shelby48 min
Jun 24, 11:03 PM CDTTornado WarningLSXMonroe, Shelby42 min
Jun 24, 11:29 PM CDTSevere Thunderstorm WarningLSXAudrain, Lewis, Marion, Monroe, Pike, Ralls and 1 more46 min
Jun 24, 11:32 PM CDTTornado WarningLSXLewis28 min
Jun 24, 11:40 PM CDTTornado WarningLSXMarion, Monroe, Ralls, Shelby38 min
Jun 25, 12:09 AM CDTTornado WarningLSXAudrain, Pike, Ralls51 min
Jun 25, 12:17 AM CDTSevere Thunderstorm WarningLSXAudrain, Lincoln, Montgomery, Pike, Ralls43 min
Jun 25, 12:57 AM CDTSevere Thunderstorm WarningLSXLincoln, Pike48 min
Jun 25, 1:27 AM CDTRiver Flood WarningLSXBoone33 hr
Jun 25, 1:54 AM CDTAreal Flood AdvisoryLSXMontgomery3 hr
Jun 25, 2:21 AM CDTAreal Flood AdvisoryLSXAudrain, Boone, Callaway106 min
Jun 25, 3:07 AM CDTAreal Flood AdvisoryLSXBoone, Callaway, Cole, Moniteau82 min
Jun 25, 3:34 AM CDTFlash Flood WarningLSXBoone6 hr
Jun 25, 4:04 AM CDTFlash Flood WarningLSXAudrain, Boone, Callaway6 hr
Jun 25, 4:26 AM CDTFlash Flood WarningLSXBoone, Callaway, Cole, Moniteau6 hr
Jun 25, 4:28 AM CDTFlash Flood WarningLSXCallaway, Lincoln, Montgomery, Osage, Warren6 hr
Jun 25, 7:48 AM CDTRiver Flood WarningLSXLincoln62 hr
Jun 25, 8:25 AM CDTAreal Flood WarningLSXAudrain, Boone, Callaway, Cole, Moniteau9 hr
Jun 25, 10:06 AM CDTRiver Flood WarningLSXFranklin, Warren9 days
Jun 25, 10:06 AM CDTRiver Flood WarningLSXSaint Charles, Saint Louis21 days
Jun 25, 10:06 AM CDTRiver Flood WarningLSXBoone, Callaway, Cole, Moniteau8 days
Jun 25, 10:06 AM CDTRiver Flood WarningLSXCallaway, Osage21 days
Jun 25, 10:06 AM CDTRiver Flood WarningLSXGasconade, Montgomery10 days
Jun 25, 4:59 PM CDTSevere Thunderstorm WarningLSXCallaway, Osage20 min
Jun 25, 5:01 PM CDTSevere Thunderstorm WarningLSXBoone, Moniteau44 min
Jun 25, 5:05 PM CDTRiver Flood WarningLSXCole, Osage9 days
Jun 25, 5:42 PM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Callaway22 min
Jun 25, 6:07 PM CDTRiver Flood WarningLSXLincoln3 days
Jun 25, 6:36 PM CDTSevere Thunderstorm WarningLSXLincoln, Saint Charles, Warren39 min
Jun 25, 6:43 PM CDTFlash Flood WarningLSXAudrain, Boone, Callaway6 hr
Jun 25, 6:48 PM CDTSevere Thunderstorm WarningLSXLincoln, Montgomery, Warren42 min
Jun 25, 6:55 PM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Callaway19 min

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.