Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 28, NWS Kansas City, MO

December 15, 2021Andrew County, Holt County, Nodaway County, Missouri; Doniphan County, Kansas

NWS Kansas City, MO issued this tornado warning at Dec 15, 2021, 4:51 PM CST for Andrew County, Holt County, Nodaway County, Missouri; Doniphan County, Kansas. It was in force for 39 min. 3 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
Dec 15, 2021, 4:51 PM CST (22:51 UTC)
Expired
Dec 15, 2021, 5:30 PM CST
In force
39 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

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

The radar

The Topeka radar (KTWX), 148 km from the middle of the area, began a volume at 22:53 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
Dec 15, 4:55 PM CSTNON-TSTM WND GST 582 Wnw Maryville, MOMARYVILLE NW MISSOURI REGIONAL AIRPORT REPORTED GUST OF 58 MPH JUST AHEAD OF INCOMING LINE OF STORMS.
Dec 15, 5:17 PM CSTTSTM WND DMG1 Nw Maryville, MODEBRIS IN THE ROADWAY AND LIGHT POLES DOWN. TIME ESTIMATED FROM RADAR.
Dec 15, 5:17 PM CSTHAIL 1.75Maryville, MOGOLF BALL SIZED HAIL REPORTED ON SOUTH MAIN STREET. POWER LINES AND TREES DOWN IN TOWN. REPORTED BY LAW ENFORCEMENT RELAYED BY EMERGENCY MANAGEMENT.

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
Dec 15, 1:23 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 10.9 hours before the alert went out and 123 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 2021-12-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 2021-12-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 466 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1036 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
466 m²/s²
0-3 km storm-relative helicity
477 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

962 
WFUS53 KEAX 152251
TOREAX
KSC043-MOC003-087-147-152330-
/O.NEW.KEAX.TO.W.0028.211215T2251Z-211215T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Kansas City/Pleasant Hill MO
451 PM CST Wed Dec 15 2021

The National Weather Service in Pleasant Hill has issued a

* Tornado Warning for...
  Northwestern Doniphan County in northeastern Kansas...
  Holt County in northwestern Missouri...
  Southwestern Nodaway County in northwestern Missouri...
  Northwestern Andrew County in northwestern Missouri...

* Until 530 PM CST.
    
* At 451 PM CST, a severe thunderstorm capable of producing a tornado
  was located near White Cloud, or 7 miles northwest of Highland,
  moving northeast at 80 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...
  Maryville, Mound City, Highland, Oregon, Maitland, Skidmore, Forest
  City, Fillmore, White Cloud, Barnard, Bolckow, Graham, Big Lake,
  Rosendale, Arkoe, Rea, Fortescue, Bigelow and Iowa Point.

This includes Interstate 29 between mile markers 64 and 86.
 
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 4002 9474 3982 9534 4000 9534 4000 9531
      4003 9535 4003 9540 4004 9541 4047 9485
TIME...MOT...LOC 2251Z 227DEG 69KT 3994 9537 

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

$$

CDB
2 follow-up statements
771 
WWUS53 KEAX 152306
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
506 PM CST Wed Dec 15 2021

KSC043-152316-
/O.CAN.KEAX.TO.W.0028.000000T0000Z-211215T2330Z/
Doniphan KS-
506 PM CST Wed Dec 15 2021

...THE TORNADO WARNING FOR NORTHWESTERN DONIPHAN 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 800 PM CST for northwestern
Missouri.

LAT...LON 4002 9474 3998 9518 4004 9521 4014 9527
      4047 9485
TIME...MOT...LOC 2306Z 236DEG 70KT 4009 9504 

$$

MOC003-087-147-152330-
/O.CON.KEAX.TO.W.0028.000000T0000Z-211215T2330Z/
Holt MO-Nodaway MO-Andrew MO-
506 PM CST Wed Dec 15 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CST FOR
NORTHEASTERN HOLT...SOUTHWESTERN NODAWAY AND NORTHWESTERN ANDREW
COUNTIES...
    
At 506 PM CST, a severe thunderstorm capable of producing a tornado
was located near Fillmore, or 10 miles east of Mound City, moving
northeast at 80 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...
Maryville, Mound City, Oregon, Maitland, Skidmore, Forest City,
Fillmore, Barnard, Bolckow, Graham, Rosendale, Arkoe and Rea.

This includes Interstate 29 between mile markers 70 and 85.
 
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 4002 9474 3998 9518 4004 9521 4014 9527
      4047 9485
TIME...MOT...LOC 2306Z 236DEG 70KT 4009 9504 

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

$$

CDB
549 
WWUS53 KEAX 152322
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
522 PM CST Wed Dec 15 2021

MOC003-087-147-152331-
/O.EXP.KEAX.TO.W.0028.000000T0000Z-211215T2330Z/
Holt MO-Nodaway MO-Andrew MO-
522 PM CST Wed Dec 15 2021

...THE TORNADO WARNING FOR NORTHEASTERN HOLT...SOUTHWESTERN NODAWAY
AND NORTHWESTERN ANDREW COUNTIES WILL EXPIRE AT 530 PM CST...
    
The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, damaging winds remain likely and a Severe 
Thunderstorm Warning remains in effect for the area.  

A Tornado Watch remains in effect until 800 PM CST for northwestern
Missouri.

LAT...LON 4002 9474 3998 9518 4004 9521 4014 9527
      4047 9485
TIME...MOT...LOC 2321Z 227DEG 69KT 4028 9478 

$$

CDB

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 15, 4:03 PM CSTSevere Thunderstorm Warning Destructive damage threatEAXAndrew, Atchison, Holt, Nodaway, Worth72 min
Dec 15, 4:43 PM CSTSevere Thunderstorm Warning Destructive damage threatEAXAndrew, Buchanan, Holt, Platte62 min
Dec 15, 5:03 PM CSTTornado WarningEAXAndrew, Buchanan27 min
Dec 15, 5:12 PM CSTSevere Thunderstorm Warning Destructive damage threatEAXAndrew, Buchanan, Daviess, DeKalb, Gentry, Harrison and 3 more78 min
Dec 15, 5:18 PM CSTSevere Thunderstorm Warning Considerable damage threatEAXClay, Clinton, DeKalb, Platte57 min
Dec 15, 5:31 PM CSTSevere Thunderstorm Warning Considerable damage threatEAXJohnson, Miami44 min

Nearby

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