Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 5, NWS Kansas City, MO

March 15, 2021Cass County, Johnson County, Missouri

NWS Kansas City, MO issued this tornado warning at Mar 15, 2021, 5:07 PM CDT for Cass County, Johnson County, Missouri. It was in force for 38 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
Mar 15, 2021, 5:07 PM CDT (22:07 UTC)
Expired
Mar 15, 2021, 5:45 PM CDT
In force
38 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Cass County, MO, Johnson County, MO

What was reported inside it

TimeReportWhereRemark
Mar 15, 5:34 PM CDTFUNNEL CLOUD3 W Centerview, MOBRIEF FUNNEL CLOUD WITH RISING MOTION AS IT PASSED OVER PROPERTY. CLEAR SLOT NOTED AS WELL.
Mar 15, 5:40 PM CDTHAIL 0.52 Nw Centerview, MOREPORT FROM MPING: HALF-INCH (0.50 IN.).

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 10.1 hours before the alert went out and 140 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 2021-03-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 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 2021-03-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 square meters per square second.193958Sfc1 km3 km6 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
685 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
126 m²/s²
0-3 km storm-relative helicity
178 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

876 
WFUS53 KEAX 152207
TOREAX
MOC037-101-152245-
/O.NEW.KEAX.TO.W.0005.210315T2207Z-210315T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Kansas City/Pleasant Hill MO
507 PM CDT Mon Mar 15 2021

The National Weather Service in Pleasant Hill has issued a

* Tornado Warning for...
  East central Cass County in west central Missouri...
  Southwestern Johnson County in west central Missouri...

* Until 545 PM CDT.
    
* At 507 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near East Lynne, or 8 miles west of Holden, moving
  northeast at 20 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...
  Holden, Kingsville, Gunn City and La Tour. 

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 3859 9419 3862 9423 3873 9421 3885 9388
      3863 9382
TIME...MOT...LOC 2207Z 241DEG 18KT 3867 9413 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Blair
2 follow-up statements
911 
WWUS53 KEAX 152221
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
521 PM CDT Mon Mar 15 2021

MOC037-152231-
/O.CAN.KEAX.TO.W.0005.000000T0000Z-210315T2245Z/
Cass MO-
521 PM CDT Mon Mar 15 2021

...THE TORNADO WARNING FOR EAST CENTRAL CASS COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3866 9413 3876 9412 3885 9388 3866 9383
      3863 9411
TIME...MOT...LOC 2221Z 255DEG 18KT 3872 9404 

$$

MOC101-152245-
/O.CON.KEAX.TO.W.0005.000000T0000Z-210315T2245Z/
Johnson MO-
521 PM CDT Mon Mar 15 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
SOUTHWESTERN JOHNSON COUNTY...
    
At 521 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Kingsville, or over Holden, moving east at 20 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...
Holden, Kingsville and La Tour. 

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 3866 9413 3876 9412 3885 9388 3866 9383
      3863 9411
TIME...MOT...LOC 2221Z 255DEG 18KT 3872 9404 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Blair
698 
WWUS53 KEAX 152235
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
535 PM CDT Mon Mar 15 2021

MOC101-152245-
/O.CON.KEAX.TO.W.0005.000000T0000Z-210315T2245Z/
Johnson MO-
535 PM CDT Mon Mar 15 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR WEST
CENTRAL JOHNSON COUNTY...
    
At 535 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Holden, moving northeast at 25 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...
Holden.

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 3878 9404 3885 9388 3868 9384 3866 9401
TIME...MOT...LOC 2235Z 245DEG 20KT 3875 9393 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Blair

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 14, 9:54 PM CDTRiver Flood WarningEAXBuchanan3 days
Mar 15, 8:45 AM CDTRiver Flood WarningEAXAtchison, Holt4 hr
Mar 15, 8:45 AM CDTRiver Flood WarningEAXAndrew, Buchanan25 hr
Mar 15, 8:45 AM CDTRiver Flood WarningEAXCarroll, Chariton, Linn, Livingston3 days
Mar 15, 9:31 AM CDTRiver Flood WarningEAXDaviess, Gentry49 hr
Mar 15, 10:08 AM CDTRiver Flood WarningEAXCooper22 hr
Mar 15, 10:08 AM CDTRiver Flood WarningEAXCarroll4 days
Mar 15, 1:26 PM CDTRiver Flood WarningEAXDaviess, Livingston45 hr
Mar 15, 1:26 PM CDTRiver Flood WarningEAXLinn, Livingston55 hr
Mar 15, 2:16 PM CDTRiver Flood WarningEAXPlatte69 hr
Mar 15, 2:16 PM CDTRiver Flood WarningEAXPlatte62 hr
Mar 15, 4:26 PM CDTTornado WarningEAXCass, Jackson34 min
Mar 15, 4:47 PM CDTTornado WarningEAXCass28 min
Mar 15, 5:14 PM CDTTornado WarningEAXCass, Jackson31 min
Mar 15, 5:38 PM CDTTornado WarningEAXJohnson37 min
Mar 15, 5:45 PM CDTTornado WarningEAXPettis31 min
Mar 15, 6:12 PM CDTSevere Thunderstorm WarningEAXJohnson, Pettis48 min
Mar 15, 6:27 PM CDTTornado WarningEAXPettis33 min
Mar 15, 6:52 PM CDTSevere Thunderstorm WarningEAXCooper, Pettis23 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.