Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 3, NWS Kansas City, MO

March 15, 2021Cass County, Jackson County, Missouri; Johnson County, Kansas

NWS Kansas City, MO issued this tornado warning at Mar 15, 2021, 4:26 PM CDT for Cass County, Jackson County, Missouri; Johnson County, Kansas. It was in force for 34 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, 4:26 PM CDT (21:26 UTC)
Expired
Mar 15, 2021, 5:00 PM CDT
In force
34 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Johnson County, KS, Cass County, MO, Jackson County, MO

What was reported inside it

TimeReportWhereRemark
Mar 15, 4:30 PM CDTTORNADO3 W Stillwell, KSREPORT OF A TORNADO NEAR 199TH AND SWITZER.
Mar 15, 4:32 PM CDTHAIL 0.52 Sw Stanley, KSREPORT 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, 9.4 hours before the alert went out and 89 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.

915 
WFUS53 KEAX 152126
TOREAX
KSC091-MOC037-095-152200-
/O.NEW.KEAX.TO.W.0003.210315T2126Z-210315T2200Z/

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

The National Weather Service in Pleasant Hill has issued a

* Tornado Warning for...
  Southeastern Johnson County in east central Kansas...
  Northwestern Cass County in west central Missouri...
  Southwestern Jackson County in west central Missouri...

* Until 500 PM CDT.
    
* At 426 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles east of Spring Hill, moving northeast at 15
  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...
  Overland Park, Leawood, Grandview, Belton, Raymore and Stillwell. 

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 3874 9477 3881 9476 3891 9453 3876 9448
      3874 9461
TIME...MOT...LOC 2126Z 244DEG 15KT 3878 9469 

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

$$

Blair
2 follow-up statements
025 
WWUS53 KEAX 152132
SVSEAX

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

KSC091-MOC037-095-152200-
/O.CON.KEAX.TO.W.0003.000000T0000Z-210315T2200Z/
Johnson KS-Cass MO-Jackson MO-
432 PM CDT Mon Mar 15 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
SOUTHEASTERN JOHNSON...NORTHWESTERN CASS AND SOUTHWESTERN JACKSON
COUNTIES...
    
At 432 PM CDT, a confirmed tornado was located 7 miles west of
Belton, moving northeast at 15 mph.

HAZARD...Damaging tornado and quarter size hail.

SOURCE...Law enforcement 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...
Overland Park, Leawood, Grandview, Belton, Raymore and Stillwell. 

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 3874 9474 3882 9474 3891 9453 3876 9448
      3874 9461
TIME...MOT...LOC 2132Z 244DEG 15KT 3879 9466 

TORNADO...OBSERVED
HAIL...1.00IN

$$

Blair
833 
WWUS53 KEAX 152149
SVSEAX

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

KSC091-152159-
/O.CAN.KEAX.TO.W.0003.000000T0000Z-210315T2200Z/
Johnson KS-
449 PM CDT Mon Mar 15 2021

...THE TORNADO WARNING FOR SOUTHEASTERN JOHNSON 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 3888 9461 3891 9453 3876 9448 3874 9461
TIME...MOT...LOC 2149Z 244DEG 15KT 3882 9458 

$$

MOC037-095-152200-
/O.CON.KEAX.TO.W.0003.000000T0000Z-210315T2200Z/
Cass MO-Jackson MO-
449 PM CDT Mon Mar 15 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
NORTHWESTERN CASS AND SOUTHWESTERN JACKSON COUNTIES...
    
At 449 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Belton, moving northeast at 15 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...
Grandview, Belton and Raymore. 

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 3888 9461 3891 9453 3876 9448 3874 9461
TIME...MOT...LOC 2149Z 244DEG 15KT 3882 9458 

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, 4:47 PM CDTTornado WarningEAXCass28 min
Mar 15, 5:07 PM CDTTornado WarningEAXCass, Johnson38 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
Mar 15, 3:46 PM CDTSevere Thunderstorm WarningEAXJohnson, Miami29 min
Mar 15, 3:55 PM CDTTornado WarningEAXJohnson, Miami35 min
Mar 15, 4:22 PM CDTSevere Thunderstorm WarningEAXMiami38 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.