Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 6, NWS Kansas City, MO

March 15, 2021Cass County, Jackson County, Missouri

NWS Kansas City, MO issued this tornado warning at Mar 15, 2021, 5:14 PM CDT for Cass County, Jackson County, Missouri. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Mar 15, 2021, 5:14 PM CDT (22:14 UTC)
Expired: Mar 15, 2021, 5:45 PM CDT
In force: 31 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Cass County, MO, Jackson County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 10.2 hours before the alert went out and 121 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: 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.

370 
WFUS53 KEAX 152214
TOREAX
MOC037-095-152245-
/O.NEW.KEAX.TO.W.0006.210315T2214Z-210315T2245Z/

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

The National Weather Service in Pleasant Hill has issued a

* Tornado Warning for...
  Northeastern Cass County in west central Missouri...
  Southeastern Jackson County in west central Missouri...

* Until 545 PM CDT.
    
* At 514 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Lake Winnebago, or near Raymore, 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...
  Raymore, Pleasant Hill, Greenwood, Lake Winnebago, Lone Jack,
  Baldwin Park and Strasburg.

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 3871 9441 3882 9441 3889 9411 3887 9412
      3874 9412
TIME...MOT...LOC 2214Z 241DEG 18KT 3877 9437 

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

$$

Blair

2 follow-up statements

968 
WWUS53 KEAX 152223
SVSEAX

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

MOC037-095-152245-
/O.CON.KEAX.TO.W.0006.000000T0000Z-210315T2245Z/
Cass MO-Jackson MO-
523 PM CDT Mon Mar 15 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
NORTHEASTERN CASS AND SOUTHEASTERN JACKSON COUNTIES...
    
At 523 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Pleasant Hill, 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...
Pleasant Hill, Greenwood, Lone Jack, Baldwin Park and Strasburg. 

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 3872 9434 3884 9434 3889 9411 3887 9412
      3875 9412
TIME...MOT...LOC 2223Z 244DEG 19KT 3879 9430 

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

$$

Blair

863 
WWUS53 KEAX 152239
SVSEAX

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

MOC037-095-152249-
/O.EXP.KEAX.TO.W.0006.000000T0000Z-210315T2245Z/
Cass MO-Jackson MO-
539 PM CDT Mon Mar 15 2021

...THE TORNADO WARNING FOR NORTHEASTERN CASS AND SOUTHEASTERN JACKSON
COUNTIES WILL EXPIRE AT 545 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

LAT...LON 3872 9434 3884 9434 3889 9411 3887 9412
      3875 9412
TIME...MOT...LOC 2239Z 241DEG 18KT 3883 9421 

$$

Blair

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 14, 9:54 PM CDT	River Flood Warning	EAX	Buchanan	3 days
Mar 15, 8:45 AM CDT	River Flood Warning	EAX	Atchison, Holt	4 hr
Mar 15, 8:45 AM CDT	River Flood Warning	EAX	Andrew, Buchanan	25 hr
Mar 15, 8:45 AM CDT	River Flood Warning	EAX	Carroll, Chariton, Linn, Livingston	3 days
Mar 15, 9:31 AM CDT	River Flood Warning	EAX	Daviess, Gentry	49 hr
Mar 15, 10:08 AM CDT	River Flood Warning	EAX	Cooper	22 hr
Mar 15, 10:08 AM CDT	River Flood Warning	EAX	Carroll	4 days
Mar 15, 1:26 PM CDT	River Flood Warning	EAX	Daviess, Livingston	45 hr
Mar 15, 1:26 PM CDT	River Flood Warning	EAX	Linn, Livingston	55 hr
Mar 15, 2:16 PM CDT	River Flood Warning	EAX	Platte	69 hr
Mar 15, 2:16 PM CDT	River Flood Warning	EAX	Platte	62 hr
Mar 15, 4:26 PM CDT	Tornado Warning	EAX	Cass, Jackson	34 min
Mar 15, 4:47 PM CDT	Tornado Warning	EAX	Cass	28 min
Mar 15, 5:07 PM CDT	Tornado Warning	EAX	Cass, Johnson	38 min
Mar 15, 5:38 PM CDT	Tornado Warning	EAX	Johnson	37 min
Mar 15, 5:45 PM CDT	Tornado Warning	EAX	Pettis	31 min
Mar 15, 6:12 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Pettis	48 min
Mar 15, 6:27 PM CDT	Tornado Warning	EAX	Pettis	33 min
Mar 15, 6:52 PM CDT	Severe Thunderstorm Warning	EAX	Cooper, Pettis	23 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; the sounding from the Mesonet's radiosonde archive.