Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 27, NWS Kansas City, MO

October 24, 20214 counties in Missouri

NWS Kansas City, MO issued this tornado warning at Oct 24, 2021, 5:10 PM CDT for 4 counties in Missouri. It was in force for 35 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, 5:10 PM CDT (22:10 UTC)
Expired: Oct 24, 2021, 5:45 PM CDT
In force: 35 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Adair County, MO, Linn County, MO, Macon County, MO, Sullivan County, MO

The radar

The Pleasant Hill radar (KEAX), 174 km from the middle of the area, began a volume at 22:09 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

Time	Report	Where	Remark
Oct 24, 5:20 PM CDT	TORNADO	2 Sse Winigan, MO	TORNADO CROSSED HWY 129 NEAR WINIGAN MO, PER STORM CHASER LOCATED 2 MILES NORTH OF NEW BOSTON.

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.

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

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 10.2 hours before the alert went out and 258 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: 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.

930 
WFUS53 KEAX 242210
TOREAX
MOC001-115-121-211-242245-
/O.NEW.KEAX.TO.W.0027.211024T2210Z-211024T2245Z/

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

The National Weather Service in Pleasant Hill has issued a

* Tornado Warning for...
  Southwestern Adair County in northeastern Missouri...
  Northeastern Linn County in north central Missouri...
  Southeastern Sullivan County in north central Missouri...
  Northwestern Macon County in north central Missouri...

* Until 545 PM CDT.
    
* At 510 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 9 miles southeast of 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...
  Elmer, Ethel, South Gifford, New Boston and Winigan. 

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 3984 9311 4004 9311 4024 9267 3992 9253
TIME...MOT...LOC 2210Z 245DEG 29KT 3997 9300 

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

$$

CDB

1 follow-up statement

165 
WWUS53 KEAX 242231
SVSEAX

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

MOC115-121-211-242240-
/O.CAN.KEAX.TO.W.0027.000000T0000Z-211024T2245Z/
Linn MO-Sullivan MO-Macon MO-
531 PM CDT Sun Oct 24 2021

...THE TORNADO WARNING FOR NORTHEASTERN LINN...SOUTHEASTERN SULLIVAN
AND NORTHWESTERN MACON COUNTIES 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
and northeastern Missouri.

LAT...LON 4004 9286 4012 9286 4016 9285 4024 9267
      4013 9262 4012 9262 4011 9261 4004 9259
TIME...MOT...LOC 2230Z 231DEG 44KT 4012 9275 

$$

MOC001-242245-
/O.CON.KEAX.TO.W.0027.000000T0000Z-211024T2245Z/
Adair MO-
531 PM CDT Sun Oct 24 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
SOUTHWESTERN ADAIR COUNTY...
    
At 530 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles south of Novinger, or 10 miles southwest of
Kirksville, 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.

This tornadic thunderstorm will remain over mainly rural areas of
southwestern Adair County.

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 4004 9286 4012 9286 4016 9285 4024 9267
      4013 9262 4012 9262 4011 9261 4004 9259
TIME...MOT...LOC 2230Z 231DEG 44KT 4012 9275 

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.

Issued	Product	Office	Counties	Lasted
Oct 24, 12:52 AM CDT	Special Weather Statement	EAX	Grundy	23 min
Oct 24, 1:26 AM CDT	Special Weather Statement	EAX	Buchanan	34 min
Oct 24, 5:07 AM CDT	Flash Flood Warning	EAX	Grundy, Harrison, Sullivan	5 hr
Oct 24, 8:26 AM CDT	River Flood Warning	EAX	Carroll, Chariton, Linn, Livingston	37 hr
Oct 24, 2:05 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan, Holt	40 min
Oct 24, 2:12 PM CDT	Tornado Warning Tornado observed	EAX	Andrew, Holt	33 min
Oct 24, 2:31 PM CDT	Tornado Warning	EAX	Andrew, Buchanan, DeKalb	29 min
Oct 24, 2:39 PM CDT	Tornado Warning	EAX	Andrew	23 min
Oct 24, 2:44 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Clinton, DeKalb	46 min
Oct 24, 2:51 PM CDT	Tornado Warning	EAX	Buchanan, Clinton, DeKalb	24 min
Oct 24, 3:23 PM CDT	Tornado Warning	EAX	Daviess, DeKalb, Gentry	37 min
Oct 24, 3:26 PM CDT	Tornado Warning	EAX	Caldwell, Clinton	34 min
Oct 24, 3:50 PM CDT	Tornado Warning	EAX	Caldwell, Daviess, Livingston	25 min
Oct 24, 4:07 PM CDT	Special Weather Statement	EAX	Henry, Johnson	23 min
Oct 24, 4:10 PM CDT	Tornado Warning	EAX	Livingston	35 min
Oct 24, 4:16 PM CDT	Tornado Warning	EAX	Grundy, Harrison, Mercer	29 min
Oct 24, 4:29 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Pettis	31 min
Oct 24, 4:37 PM CDT	Tornado Warning	EAX	Linn, Livingston, Sullivan	38 min
Oct 24, 4:56 PM CDT	Severe Thunderstorm Warning	EAX	Cooper, Pettis	49 min
Oct 24, 4:57 PM CDT	Tornado Warning	EAX	Cooper, Pettis	33 min
Oct 24, 5:54 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Schuyler	17 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.