Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 16, NWS Kansas City, MO

October 24, 2021Doniphan County, Kansas; Andrew County, Holt County, Missouri

NWS Kansas City, MO issued this tornado warning at Oct 24, 2021, 2:12 PM CDT for Doniphan County, Kansas; Andrew County, Holt County, Missouri. It was in force for 33 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, 2:12 PM CDT (19:12 UTC)
Expired: Oct 24, 2021, 2:45 PM CDT
In force: 33 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Tornado: Observed
Hail: 1.0 in

Counties Doniphan County, KS, Andrew County, MO, Holt County, MO

The radar

The Pleasant Hill radar (KEAX), 131 km from the middle of the area, began a volume at 19:12 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, 2:12 PM CDT	TORNADO	2 Nw Troy, KS	EMD REPORTED VISUAL OF TORNADO WITH DEBRIS.

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, 7.2 hours before the alert went out and 113 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.

673 
WFUS53 KEAX 241912
TOREAX
KSC043-MOC003-087-241945-
/O.NEW.KEAX.TO.W.0016.211024T1912Z-211024T1945Z/

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

The National Weather Service in Pleasant Hill has issued a

* Tornado Warning for...
  East central Doniphan County in northeastern Kansas...
  Southeastern Holt County in northwestern Missouri...
  Southwestern Andrew County in northwestern Missouri...

* Until 245 PM CDT.

* At 212 PM CDT, a confirmed tornado was located over Troy, moving
  northeast at 45 mph.

  HAZARD...Damaging tornado and quarter size hail.

  SOURCE...Emergency management 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...
  Troy, Country Club Villa, Country Club, Amazonia and Fanning. 

This includes the following highways...
 Interstate 29 between mile markers 56 and 67.
 Interstate 229 between mile markers 10 and 14.

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 4004 9494 3982 9480 3982 9487 3981 9487
      3980 9488 3975 9515 3983 9518
TIME...MOT...LOC 1912Z 225DEG 37KT 3981 9512 

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

$$

CDB

1 follow-up statement

488 
WWUS53 KEAX 241924
SVSEAX

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

KSC043-MOC003-087-241945-
/O.CON.KEAX.TO.W.0016.000000T0000Z-211024T1945Z/
Doniphan KS-Holt MO-Andrew MO-
224 PM CDT Sun Oct 24 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR EAST
CENTRAL DONIPHAN...SOUTHEASTERN HOLT AND SOUTHWESTERN ANDREW
COUNTIES...
    
At 223 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles west of Amazonia, or 7 miles northeast of Troy,
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...
Amazonia.

This includes the following highways...
 Interstate 29 between mile markers 56 and 66.
 Interstate 229 near mile marker 14.

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 9494 3988 9484 3982 9506 3986 9510
TIME...MOT...LOC 1923Z 224DEG 36KT 3988 9503 

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, 1:04 AM CDT	Severe Thunderstorm Warning	EAX	Atchison	26 min
Oct 24, 1:26 AM CDT	Special Weather Statement	EAX	Doniphan	34 min
Oct 24, 7:34 AM CDT	Special Weather Statement	EAX	Linn	26 min
Oct 24, 7:53 AM CDT	Special Weather Statement	EAX	Linn	37 min
Oct 24, 2:05 PM CDT	Severe Thunderstorm Warning	EAX	Doniphan	40 min
Oct 24, 12:52 AM CDT	Special Weather Statement	EAX	Grundy	23 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, 2:31 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, 5:10 PM CDT	Tornado Warning	EAX	Adair, Linn, Macon, Sullivan	35 min
Oct 24, 5:54 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Schuyler	17 min

Nearby

Tornado Warnings in Missouri, 2021 Tornado Warnings in Kansas, 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.