Alert archive / Missouri / Tornado Warnings in 2017

Tornado Warning 13, NWS Kansas City, MO

March 6, 2017Jackson County, Johnson County, Lafayette County, Missouri

NWS Kansas City, MO issued this tornado warning at Mar 6, 2017, 8:19 PM CST for Jackson County, Johnson County, Lafayette County, Missouri. It was in force for 26 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
Mar 6, 2017, 8:19 PM CST (02:19 UTC)
Expired
Mar 6, 2017, 8:45 PM CST
In force
26 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Jackson County, MO, Johnson County, MO, Lafayette County, MO

The radar

The Pleasant Hill radar (KEAX), 33 km from the middle of the area, began a volume at 02:18 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
Mar 6, 8:20 PM CSTTORNADOOak Grove, MO*** 15 INJ *** SIGNIFICANT DAMAGE TO HOMES IN OAK GROVE. NO INJURIES ARE LIFE THREATENING.
Mar 6, 8:29 PM CSTTSTM WND DMGOdessa, MOTWO HOMES COMPLETELY DESTROYED AND NUMEROUS OTHERS DAMAGED...ROOF OFF WATER PLANT AND DAMAGES TO THE POWER GRID. NO REPORTED INJURIES OR TRANSPORTS.
Mar 6, 8:29 PM CSTTSTM WND DMGOdessa, MODELAYED REPORT VIA SOCIAL MEDIA. LARGE TREE BLOWN DOWN ON HOME. TIME MATCHED TO RADAR.

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
Mar 6, 2:27 PM CSTTornado WatchSPC8 hr

The nearest sounding before it

Topeka, KS (KFOE), launched 00:00Z, 2.3 hours before the alert went out and 144 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 00:00Z on 2017-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 707 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 00:00Z on 2017-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 333 square meters per square second.1939587897117136Sfc1 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
707 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
1970 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
333 m²/s²
0-3 km storm-relative helicity
349 m²/s²
Significant tornado parameter
0.0
Supercell composite
9.4

Open this sounding in Storm Lab

The text

As transmitted.

558 
WFUS53 KEAX 070219
TOREAX
MOC095-101-107-070245-
/O.NEW.KEAX.TO.W.0013.170307T0219Z-170307T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Kansas City/Pleasant Hill MO
819 PM CST MON MAR 6 2017

The National Weather Service in Pleasant Hill has issued a

* Tornado Warning for...
  Lafayette County in west central Missouri...
  Southeastern Jackson County in west central Missouri...
  Northwestern Johnson County in west central Missouri...

* Until 845 PM CST
    
* At 818 PM CST, a severe thunderstorm capable of producing a tornado
  was located over Oak Grove, moving east at 60 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...
  Blue Springs, Grain Valley, Oak Grove, Odessa, Higginsville,
  Concordia, Corder, Mayview, Lake Lafayette, Bates City, Aullville
  and Tarsney Lakes.

This includes Interstate 70 in Missouri between mile markers 22 and
58.
 
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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3891 9423 3905 9426 3920 9360 3891 9355
TIME...MOT...LOC 0218Z 259DEG 52KT 3899 9415 

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

$$

Gitro
2 follow-up statements
649 
WWUS53 KEAX 070223
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
823 PM CST MON MAR 6 2017

MOC095-101-107-070245-
/O.CON.KEAX.TO.W.0013.000000T0000Z-170307T0245Z/
Lafayette MO-Jackson MO-Johnson MO-
823 PM CST MON MAR 6 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CST FOR
LAFAYETTE...EAST CENTRAL JACKSON AND NORTH CENTRAL JOHNSON
COUNTIES...
    
At 823 PM CST, a confirmed tornado was located near Oak Grove, moving
east at 60 mph.

HAZARD...Damaging tornado and quarter size hail. 

SOURCE...Weather spotters 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...
Grain Valley, Oak Grove, Odessa, Higginsville, Concordia, Corder,
Mayview, Lake Lafayette, Bates City and Aullville.

This includes Interstate 70 in Missouri between mile markers 26 and
58.
 
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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3893 9415 3907 9418 3920 9360 3891 9355
TIME...MOT...LOC 0223Z 259DEG 52KT 3901 9404 

TORNADO...OBSERVED
HAIL...1.00IN

$$

Gitro
787 
WWUS53 KEAX 070244
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
844 PM CST MON MAR 6 2017

MOC095-101-107-070254-
/O.EXP.KEAX.TO.W.0013.000000T0000Z-170307T0245Z/
Lafayette MO-Jackson MO-Johnson MO-
844 PM CST MON MAR 6 2017

...THE TORNADO WARNING FOR LAFAYETTE...EAST CENTRAL JACKSON AND NORTH
CENTRAL JOHNSON COUNTIES WILL EXPIRE AT 845 PM CST...
                
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 and heavy rain are still possible with this thunderstorm.

A tornado watch remains in effect until 1000 PM CST for west central
Missouri.

LAT...LON 3893 9415 3907 9418 3920 9360 3891 9355
TIME...MOT...LOC 0244Z 259DEG 52KT 3906 9368 

$$

Gitro

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 6:12 PM CSTTornado WarningEAXAndrew, Holt, Nodaway33 min
Mar 6, 6:22 PM CSTTornado WarningEAXHolt, Nodaway23 min
Mar 6, 6:39 PM CSTSpecial Weather StatementEAXBuchanan36 min
Mar 6, 6:43 PM CSTSevere Thunderstorm WarningEAXAndrew, Buchanan, DeKalb, Gentry47 min
Mar 6, 6:52 PM CSTSevere Thunderstorm WarningEAXGentry, Harrison, Mercer, Nodaway, Worth38 min
Mar 6, 6:53 PM CSTSevere Thunderstorm WarningEAXBuchanan, Clay, Platte37 min
Mar 6, 6:59 PM CSTTornado WarningEAXBuchanan, Clay, Platte31 min
Mar 6, 7:03 PM CSTTornado WarningEAXAndrew, Buchanan, DeKalb, Gentry27 min
Mar 6, 7:06 PM CSTSevere Thunderstorm WarningEAXBuchanan, Platte39 min
Mar 6, 7:18 PM CSTTornado WarningEAXBuchanan, Clay, Platte14 min
Mar 6, 7:26 PM CSTSevere Thunderstorm WarningEAXBuchanan, Caldwell, Clay, Clinton, DeKalb, Platte34 min
Mar 6, 7:27 PM CSTSevere Thunderstorm WarningEAXClay, Clinton, Jackson, Lafayette, Platte, Ray48 min
Mar 6, 7:27 PM CSTTornado WarningEAXHarrison, Mercer33 min
Mar 6, 7:29 PM CSTTornado Warning Tornado observedEAXClay, Clinton, Platte31 min
Mar 6, 7:33 PM CSTTornado WarningEAXDaviess, DeKalb, Harrison27 min
Mar 6, 7:36 PM CSTSevere Thunderstorm WarningEAXCass, Jackson54 min
Mar 6, 7:48 PM CSTTornado WarningEAXMercer, Putnam27 min
Mar 6, 7:50 PM CSTTornado WarningEAXCaldwell, Clinton, Daviess25 min
Mar 6, 7:55 PM CSTSevere Thunderstorm WarningEAXBates, Cass35 min
Mar 6, 7:59 PM CSTTornado WarningEAXCass, Jackson, Johnson, Lafayette31 min
Mar 6, 8:06 PM CSTSevere Thunderstorm WarningEAXCaldwell, Carroll, Clay, Daviess, Grundy, Jackson and 7 more24 min
Mar 6, 8:11 PM CSTTornado WarningEAXCaldwell, Daviess, Livingston23 min
Mar 6, 8:15 PM CSTSevere Thunderstorm WarningEAXCarroll, Cass, Henry, Jackson, Johnson, Lafayette and 1 more45 min
Mar 6, 8:18 PM CSTSevere Thunderstorm WarningEAXBates27 min
Mar 6, 8:25 PM CSTFlash Flood WarningEAXClay, Jackson3 hr
Mar 6, 8:25 PM CSTSevere Thunderstorm WarningEAXBates, Cass, Henry35 min
Mar 6, 8:32 PM CSTSevere Thunderstorm WarningEAXAdair, Carroll, Chariton, Grundy, Lafayette, Linn and 7 more28 min
Mar 6, 8:33 PM CSTTornado WarningEAXCarroll, Chariton, Saline27 min
Mar 6, 8:55 PM CSTSevere Thunderstorm WarningEAXCarroll, Chariton, Cooper, Howard, Johnson, Lafayette and 6 more35 min
Mar 6, 8:57 PM CSTSpecial Weather StatementEAXAdair, Linn, Macon, Schuyler33 min
Mar 6, 8:58 PM CSTTornado WarningEAXBates, Henry32 min
Mar 6, 8:59 PM CSTSpecial Weather StatementEAXBates, Henry, Johnson46 min
Mar 6, 9:01 PM CSTSevere Thunderstorm WarningEAXBates, Henry, Johnson, Pettis29 min
Mar 6, 9:04 PM CSTSevere Thunderstorm WarningEAXAdair, Linn, Macon, Putnam, Schuyler, Sullivan41 min
Mar 6, 9:10 PM CSTTornado WarningEAXChariton, Linn, Macon35 min
Mar 6, 9:23 PM CSTTornado WarningEAXCooper, Pettis, Saline37 min
Mar 6, 9:28 PM CSTSevere Thunderstorm WarningEAXChariton, Cooper, Howard, Macon, Pettis, Randolph and 1 more47 min
Mar 6, 9:40 PM CSTTornado Warning Tornado observedEAXMacon9 min
Mar 6, 9:56 PM CSTTornado WarningEAXCooper, Howard11 min
Mar 7, 11:07 AM CSTWind AdvisoryEAXAdair, Andrew, Atchison, Buchanan, Caldwell, Carroll and 22 more5 hr
Mar 7, 3:44 PM CSTFire Weather WatchEAXBates, Buchanan, Cass, Clay, Clinton, Henry and 6 more10 hr

Nearby

Tornado Warnings in Missouri, 2017Every tornado warning in 2017Tornadoes in 2017

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.