Alert archive / Missouri / Tornado Warnings in 2017

Tornado Warning 29, NWS Kansas City, MO

June 17, 2017Lafayette County, Missouri

NWS Kansas City, MO issued this tornado warning at Jun 17, 2017, 9:49 PM CDT for 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: Jun 17, 2017, 9:49 PM CDT (02:49 UTC)
Expired: Jun 17, 2017, 10:15 PM CDT
In force: 26 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Lafayette County, MO

The radar

The Pleasant Hill radar (KEAX), 37 km from the middle of the area, began a volume at 02:51 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

Time	Report	Where	Remark
Jun 17, 9:53 PM CDT	TORNADO	4 Nw Odessa, MO	A NWS STORM SURVEY CREW CONFIRMED EF-0 TORNADO DAMAGE. DAMAGE WAS MAINLY TO LARGE TREES BUT ONE RESIDENCE LOST NUMEROUS SHINGLES FROM ITS ROOF.
Jun 17, 9:54 PM CDT	TSTM WND DMG	Odessa, MO	TREES AND POWERLINES DOWN IN ODESSA. VIA TWITTER.
Jun 17, 10:10 PM CDT	TSTM WND GST 70	3 Wsw Aullville, MO	AT I-70 AND ROUTE 13.

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.

Issued	Product	Office	Lasted
Jun 17, 6:12 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Topeka, KS (KFOE), launched 00:00Z, 2.8 hours before the alert went out and 147 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: 4476 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 1204 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 103 m²/s²
Significant tornado parameter: -0.3
Supercell composite: -1.9

Open this sounding in Storm Lab

The text

As transmitted.

240 
WFUS53 KEAX 180249
TOREAX
MOC107-180315-
/O.NEW.KEAX.TO.W.0029.170618T0249Z-170618T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Kansas City/Pleasant Hill MO
949 PM CDT SAT JUN 17 2017

The National Weather Service in Pleasant Hill has issued a

* Tornado Warning for...
  Southwestern Lafayette County in west central Missouri...

* Until 1015 PM CDT
    
* At 949 PM CDT, a severe thunderstorm capable of producing a 
  tornado was located near Wellington, or 5 miles north of Oak 
  Grove, moving east at 50 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...
  Odessa, Higginsville, Mayview and Bates City. 

This includes Interstate 70 in Missouri between mile markers 30 and
50.
 
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 3898 9410 3911 9410 3916 9369 3894 9372
TIME...MOT...LOC 0249Z 272DEG 42KT 3907 9404 

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

$$

Hawblitzel

3 follow-up statements

397 
WWUS53 KEAX 180256
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
956 PM CDT SAT JUN 17 2017

MOC107-180315-
/O.CON.KEAX.TO.W.0029.000000T0000Z-170618T0315Z/
Lafayette MO-
956 PM CDT SAT JUN 17 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR
SOUTHWESTERN LAFAYETTE COUNTY...

At 954 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located over 
Odessa. Another possible tornado was detected 4 miles north of 
Odessa, or 6 miles south of Wellington. Both storms are moving east 
at 45 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...
Odessa, Higginsville, Mayview and Bates City. 

This includes Interstate 70 in Missouri between mile markers 30 and
50.
 
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 3898 9410 3911 9410 3916 9369 3894 9372
TIME...MOT...LOC 0254Z 277DEG 42KT 3900 9398 

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

$$

Hawblitzel

140 
WWUS53 KEAX 180305
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
1005 PM CDT SAT JUN 17 2017

MOC107-180315-
/O.CON.KEAX.TO.W.0029.000000T0000Z-170618T0315Z/
Lafayette MO-
1005 PM CDT SAT JUN 17 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR SOUTH
CENTRAL LAFAYETTE COUNTY...

At 1005 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Mayview, or near Higginsville, moving east at 50 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...
Higginsville and Mayview. 

This includes Interstate 70 in Missouri between mile markers 43 and
50.
 
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 3895 9385 3906 9387 3908 9370 3894 9372
TIME...MOT...LOC 0305Z 272DEG 43KT 3899 9378 

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

$$

Hawblitzel

597 
WWUS53 KEAX 180312
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
1012 PM CDT SAT JUN 17 2017

MOC107-180321-
/O.EXP.KEAX.TO.W.0029.000000T0000Z-170618T0315Z/
Lafayette MO-
1012 PM CDT SAT JUN 17 2017

...THE TORNADO WARNING FOR SOUTH CENTRAL LAFAYETTE COUNTY WILL EXPIRE
AT 1015 PM CDT...
    
The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, damaging winds to 75 mph remain likely and a 
Severe Thunderstorm Warning remains in effect for Lafayette County 
until 1100 PM.


LAT...LON 3895 9385 3906 9387 3908 9370 3894 9372
TIME...MOT...LOC 0311Z 272DEG 42KT 3899 9371 

$$

Hawblitzel

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 8:29 PM CDT	Severe Thunderstorm Warning	EAX	Platte	46 min
Jun 17, 9:00 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Jackson, Platte, Ray	45 min
Jun 17, 9:08 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Jackson	52 min
Jun 17, 9:14 PM CDT	Areal Flood Advisory	EAX	Clay, Clinton, Jackson, Platte	3 hr
Jun 17, 9:34 PM CDT	Areal Flood Advisory	EAX	Cass, Jackson	3 hr
Jun 17, 9:38 PM CDT	Severe Thunderstorm Warning	EAX	Jackson, Johnson, Lafayette, Ray	52 min
Jun 17, 9:47 PM CDT	Severe Thunderstorm Warning	EAX	Jackson	5 min
Jun 17, 10:07 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Lafayette, Pettis, Saline	53 min
Jun 17, 10:16 PM CDT	Severe Thunderstorm Warning	EAX	Bates	44 min
Jun 17, 10:38 PM CDT	Severe Thunderstorm Warning	EAX	Cooper, Howard, Pettis, Saline	51 min
Jun 17, 10:40 PM CDT	Severe Thunderstorm Warning	EAX	Chariton, Howard, Randolph, Saline	36 min
Jun 18, 9:00 AM CDT	River Flood Warning	EAX	Carroll	47 hr
Jun 18, 10:03 AM CDT	River Flood Warning	EAX	Carroll, Lafayette, Saline	63 hr
Jun 18, 2:31 PM CDT	River Flood Warning	EAX	Carroll, Chariton, Saline	61 hr

Nearby

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