Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 25, NWS Kansas City, MO

October 24, 2021Linn County, Livingston County, Sullivan County, Missouri

NWS Kansas City, MO issued this tornado warning at Oct 24, 2021, 4:37 PM CDT for Linn County, Livingston County, Sullivan County, Missouri. It was in force for 38 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, 4:37 PM CDT (21:37 UTC)
Expired
Oct 24, 2021, 5:15 PM CDT
In force
38 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Linn County, MO, Livingston County, MO, Sullivan County, MO

The radar

The Pleasant Hill radar (KEAX), 152 km from the middle of the area, began a volume at 21:36 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, 4:47 PM CDTTORNADO3 W Linneus, MO

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

Topeka, KS (KTOP), launched 12:00Z, 9.6 hours before the alert went out and 228 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, Topeka, KS at 12:00Z on 2021-10-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1036 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, Topeka, KS at 12:00Z on 2021-10-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 368 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
1036 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
1015 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
368 m²/s²
0-3 km storm-relative helicity
374 m²/s²
Significant tornado parameter
0.0
Supercell composite
7.7

Open this sounding in Storm Lab

The text

As transmitted.

257 
WFUS53 KEAX 242137
TOREAX
MOC115-117-211-242215-
/O.NEW.KEAX.TO.W.0025.211024T2137Z-211024T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Kansas City/Pleasant Hill MO
437 PM CDT Sun Oct 24 2021

The National Weather Service in Pleasant Hill has issued a

* Tornado Warning for...
  Northern Linn County in north central Missouri...
  South central Sullivan County in north central Missouri...
  Northeastern Livingston County in north central Missouri...

* Until 515 PM CDT.
    
* At 437 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles north of Wheeling, or 11 miles northeast of
  Chillicothe, moving northeast at 35 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...
  Linneus, Browning and Purdin. 

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 3983 9342 3996 9342 3997 9340 3997 9336
      3999 9336 4016 9299 3983 9287
TIME...MOT...LOC 2137Z 244DEG 32KT 3990 9338 

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

$$

CDB
4 follow-up statements
749 
WWUS53 KEAX 242147
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
447 PM CDT Sun Oct 24 2021

MOC117-242157-
/O.CAN.KEAX.TO.W.0025.000000T0000Z-211024T2215Z/
Livingston MO-
447 PM CDT Sun Oct 24 2021

...THE TORNADO WARNING FOR NORTHEASTERN LIVINGSTON 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 1000 PM CDT for north central
Missouri.

LAT...LON 3983 9336 3999 9336 4016 9299 3983 9287
TIME...MOT...LOC 2147Z 252DEG 31KT 3991 9327 

$$

MOC115-211-242215-
/O.CON.KEAX.TO.W.0025.000000T0000Z-211024T2215Z/
Linn MO-Sullivan MO-
447 PM CDT Sun Oct 24 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR NORTHERN
LINN AND SOUTH CENTRAL SULLIVAN COUNTIES...
    
At 447 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Linneus, or 13 miles northwest of Brookfield, moving
east at 35 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...
Linneus, Browning and Purdin. 

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 3983 9336 3999 9336 4016 9299 3983 9287
TIME...MOT...LOC 2147Z 252DEG 31KT 3991 9327 

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

$$

CDB
385 
WWUS53 KEAX 242151
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
451 PM CDT Sun Oct 24 2021

MOC115-211-242215-
/O.CON.KEAX.TO.W.0025.000000T0000Z-211024T2215Z/
Linn MO-Sullivan MO-
451 PM CDT Sun Oct 24 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR NORTHERN
LINN AND SOUTH CENTRAL SULLIVAN COUNTIES...
    
At 451 PM CDT, a confirmed tornado was located near Linneus, or 12
miles northwest of Brookfield, moving northeast at 35 mph.

HAZARD...Damaging tornado and quarter size hail.

SOURCE...Weather spotters confirmed tornado.

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...
Linneus, Browning and Purdin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3983 9336 3999 9336 4016 9299 3983 9287
TIME...MOT...LOC 2151Z 244DEG 32KT 3993 9323 

TORNADO...OBSERVED
MAX HAIL SIZE...1.00 IN

$$

CDB
128 
WWUS53 KEAX 242156
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
456 PM CDT Sun Oct 24 2021

MOC115-211-242215-
/O.CON.KEAX.TO.W.0025.000000T0000Z-211024T2215Z/
Linn MO-Sullivan MO-
456 PM CDT Sun Oct 24 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR NORTHERN
LINN AND SOUTH CENTRAL SULLIVAN COUNTIES...
        
At 455 PM CDT, a confirmed tornado was located near Linneus, or 12 
miles north of Brookfield, moving northeast at 40 mph. The town of 
Purdin is in the path of this storm.

HAZARD...Damaging tornado and quarter size hail.

SOURCE...Radar confirmed tornado.

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...
Linneus, Browning and Purdin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3983 9336 3999 9336 4016 9299 3983 9287
TIME...MOT...LOC 2155Z 243DEG 35KT 3995 9316 

TORNADO...OBSERVED
MAX HAIL SIZE...1.00 IN

$$

CDB
190 
WWUS53 KEAX 242204
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
504 PM CDT Sun Oct 24 2021

MOC115-211-242215-
/O.CON.KEAX.TO.W.0025.000000T0000Z-211024T2215Z/
Linn MO-Sullivan MO-
504 PM CDT Sun Oct 24 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR NORTHERN
LINN AND SOUTH CENTRAL SULLIVAN COUNTIES...
    
At 504 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Browning, or 13 miles north of Brookfield, moving
northeast at 35 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...
Linneus, Browning and Purdin. 

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 3983 9327 4000 9327 4012 9298 3983 9287
TIME...MOT...LOC 2204Z 245DEG 30KT 3997 9308 

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

$$

CDB

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 24, 12:52 AM CDTSpecial Weather StatementEAXGrundy23 min
Oct 24, 1:26 AM CDTSpecial Weather StatementEAXBuchanan34 min
Oct 24, 5:07 AM CDTFlash Flood WarningEAXGrundy, Harrison, Sullivan5 hr
Oct 24, 8:26 AM CDTRiver Flood WarningEAXCarroll, Chariton, Linn, Livingston37 hr
Oct 24, 2:05 PM CDTSevere Thunderstorm WarningEAXAndrew, Buchanan, Holt40 min
Oct 24, 2:12 PM CDTTornado Warning Tornado observedEAXAndrew, Holt33 min
Oct 24, 2:31 PM CDTTornado WarningEAXAndrew, Buchanan, DeKalb29 min
Oct 24, 2:39 PM CDTTornado WarningEAXAndrew23 min
Oct 24, 2:44 PM CDTSevere Thunderstorm WarningEAXBuchanan, Clinton, DeKalb46 min
Oct 24, 2:51 PM CDTTornado WarningEAXBuchanan, Clinton, DeKalb24 min
Oct 24, 3:23 PM CDTTornado WarningEAXDaviess, DeKalb, Gentry37 min
Oct 24, 3:26 PM CDTTornado WarningEAXCaldwell, Clinton34 min
Oct 24, 3:50 PM CDTTornado WarningEAXCaldwell, Daviess, Livingston25 min
Oct 24, 4:07 PM CDTSpecial Weather StatementEAXHenry, Johnson23 min
Oct 24, 4:10 PM CDTTornado WarningEAXLivingston35 min
Oct 24, 4:16 PM CDTTornado WarningEAXGrundy, Harrison, Mercer29 min
Oct 24, 4:29 PM CDTSevere Thunderstorm WarningEAXJohnson, Pettis31 min
Oct 24, 4:56 PM CDTSevere Thunderstorm WarningEAXCooper, Pettis49 min
Oct 24, 4:57 PM CDTTornado WarningEAXCooper, Pettis33 min
Oct 24, 5:10 PM CDTTornado WarningEAXAdair, Linn, Macon, Sullivan35 min
Oct 24, 5:54 PM CDTSevere Thunderstorm WarningEAXAdair, Schuyler17 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.