Alert archive / Missouri / Tornado Warnings in 2017

Tornado Warning 35, NWS Kansas City, MO

June 28, 2017Mercer County, Putnam County, Sullivan County, Missouri

NWS Kansas City, MO issued this tornado warning at Jun 28, 2017, 7:21 PM CDT for Mercer County, Putnam County, Sullivan County, Missouri. It was in force for 39 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: Jun 28, 2017, 7:21 PM CDT (00:21 UTC)
Expired: Jun 28, 2017, 8:00 PM CDT
In force: 39 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.5 in

Counties Mercer County, MO, Putnam County, MO, Sullivan County, MO

The radar

The Des Moines radar (KDMX), 149 km from the middle of the area, began a volume at 00:22 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.

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 28, 2:53 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 0.4 hours before the alert went out and 260 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: 1521 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1099 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 259 m²/s²
0-3 km storm-relative helicity: 334 m²/s²
Significant tornado parameter: 2.7
Supercell composite: 15.1

Open this sounding in Storm Lab

The text

As transmitted.

669 
WFUS53 KEAX 290021
TOREAX
MOC129-171-211-290100-
/O.NEW.KEAX.TO.W.0035.170629T0021Z-170629T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Kansas City/Pleasant Hill MO
721 PM CDT WED JUN 28 2017

The National Weather Service in Pleasant Hill has issued a

* Tornado Warning for...
  Northeastern Mercer County in north central Missouri...
  Northwestern Sullivan County in north central Missouri...
  Western Putnam County in north central Missouri...

* Until 800 PM CDT
    
* At 720 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Mercer, or 22 miles south of Corydon, moving east
  at 35 mph.

  HAZARD...Tornado and ping pong ball 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...
  Unionville, Newtown, Pollock, Lucerne, Powersville and Lemons. 

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 4031 9301 4037 9355 4057 9351 4059 9304
      4058 9301
TIME...MOT...LOC 0020Z 270DEG 33KT 4046 9346 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

Blair

1 follow-up statement

090 
WWUS53 KEAX 290045
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
745 PM CDT WED JUN 28 2017

MOC129-290054-
/O.CAN.KEAX.TO.W.0035.000000T0000Z-170629T0100Z/
Mercer MO-
745 PM CDT WED JUN 28 2017

...THE TORNADO WARNING FOR NORTHEASTERN MERCER COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Another storm with a possible tornado was 
located near Spickard. 

A tornado watch remains in effect until 1000 PM CDT for north central
Missouri.

LAT...LON 4031 9301 4035 9336 4058 9336 4059 9304
      4058 9301
TIME...MOT...LOC 0044Z 270DEG 33KT 4046 9317 

$$

MOC171-211-290100-
/O.CON.KEAX.TO.W.0035.000000T0000Z-170629T0100Z/
Sullivan MO-Putnam MO-
745 PM CDT WED JUN 28 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
NORTHWESTERN SULLIVAN AND WESTERN PUTNAM COUNTIES...
    
At 744 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles west of Unionville, moving east at 40 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...
Unionville, Newtown, Pollock, Lucerne, Powersville and Lemons. 

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 4031 9301 4035 9336 4058 9336 4059 9304
      4058 9301
TIME...MOT...LOC 0044Z 270DEG 33KT 4046 9317 

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

$$

Blair

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 7:10 PM CDT	Severe Thunderstorm Warning	EAX	Atchison, Gentry, Nodaway, Worth	65 min
Jun 28, 7:27 PM CDT	Tornado Warning	EAX	Gentry, Harrison	33 min
Jun 28, 7:30 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Harrison, Mercer	45 min
Jun 28, 7:33 PM CDT	Tornado Warning	EAX	Grundy, Harrison, Mercer	42 min
Jun 28, 8:00 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Putnam, Schuyler, Sullivan	60 min
Jun 28, 8:15 PM CDT	Severe Thunderstorm Warning	EAX	Gentry, Grundy, Harrison, Mercer, Nodaway, Worth	60 min
Jun 28, 8:22 PM CDT	Flash Flood Warning	EAX	Gentry, Grundy, Harrison, Mercer, Worth	6 hr
Jun 28, 8:48 PM CDT	Tornado Warning	EAX	Gentry, Nodaway	27 min
Jun 28, 8:53 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Linn, Sullivan	52 min
Jun 28, 9:12 PM CDT	Tornado Warning	EAX	Daviess, Gentry, Harrison	33 min
Jun 28, 9:17 PM CDT	Severe Thunderstorm Warning	EAX	Gentry, Nodaway, Worth	28 min
Jun 28, 9:21 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Linn, Macon	54 min
Jun 28, 9:38 PM CDT	Flash Flood Warning	EAX	Gentry, Nodaway, Worth	6 hr
Jun 28, 9:38 PM CDT	Tornado Warning	EAX	Adair, Macon	37 min
Jun 28, 9:43 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Harrison	32 min
Jun 28, 9:49 PM CDT	Tornado Warning	EAX	Daviess, Grundy, Livingston	41 min
Jun 28, 10:21 PM CDT	Severe Thunderstorm Warning	EAX	Nodaway, Worth	39 min
Jun 28, 10:24 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy, Livingston	51 min
Jun 28, 10:42 PM CDT	Special Weather Statement	EAX	Daviess	33 min
Jun 28, 10:50 PM CDT	River Flood Warning	EAX	Andrew, Nodaway	28 hr
Jun 28, 11:00 PM CDT	Special Weather Statement	EAX	Gentry, Nodaway, Worth	45 min
Jun 28, 11:13 PM CDT	Special Weather Statement	EAX	Linn, Livingston	47 min
Jun 28, 11:14 PM CDT	Flash Flood Warning	EAX	Daviess, Gentry, Grundy, Harrison, Linn, Sullivan	5 hr
Jun 28, 11:38 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, DeKalb, Gentry, Nodaway	52 min
Jun 29, 12:14 AM CDT	Severe Thunderstorm Warning	EAX	Daviess, DeKalb, Gentry	46 min
Jun 29, 1:26 AM CDT	Flash Flood Warning	EAX	Andrew, Daviess, Gentry, Grundy, Holt, Linn and 2 more	3 hr
Jun 29, 2:05 AM CDT	Special Weather Statement	EAX	DeKalb	40 min
Jun 29, 2:16 AM CDT	Flash Flood Warning	EAX	Gentry, Grundy, Harrison, Mercer, Worth	89 min
Jun 29, 3:25 AM CDT	Flash Flood Watch	EAX	Adair, Andrew, Atchison, Buchanan, Caldwell, Carroll and 24 more	28 hr
Jun 29, 3:37 AM CDT	Areal Flood Warning	EAX	Adair, Andrew, Atchison, Chariton, Daviess, DeKalb and 10 more	48 hr
Jun 29, 4:35 AM CDT	River Flood Warning	EAX	Daviess, Gentry	3 days
Jun 29, 4:38 AM CDT	River Flood Warning	EAX	Andrew, Buchanan	55 hr
Jun 29, 4:46 AM CDT	River Flood Warning	EAX	Buchanan	4 days
Jun 29, 4:46 AM CDT	River Flood Warning	EAX	Platte	5 days
Jun 29, 4:46 AM CDT	River Flood Warning	EAX	Platte	6 days
Jun 29, 5:02 AM CDT	River Flood Warning	EAX	Daviess, Livingston	4 days
Jun 29, 5:02 AM CDT	River Flood Warning	EAX	Linn, Livingston	4 days
Jun 29, 5:02 AM CDT	River Flood Warning	EAX	Carroll, Chariton, Linn, Livingston	6 days
Jun 29, 7:43 AM CDT	Special Weather Statement	EAX	Jackson	47 min
Jun 29, 8:19 AM CDT	Flash Flood Warning	EAX	Caldwell, Carroll, Chariton, Linn, Livingston, Macon	6 hr
Jun 29, 8:23 AM CDT	Special Weather Statement	EAX	Cass	37 min
Jun 29, 9:46 AM CDT	River Flood Warning	EAX	Chariton, Macon	71 hr
Jun 29, 9:46 AM CDT	River Flood Warning	EAX	Carroll, Chariton	6 days
Jun 29, 9:48 AM CDT	River Flood Warning	EAX	Atchison, Holt	45 hr
Jun 29, 9:52 AM CDT	River Flood Warning	EAX	Jackson, Lafayette, Ray	4 days
Jun 29, 9:52 AM CDT	River Flood Warning	EAX	Carroll, Lafayette, Saline	4 days
Jun 29, 9:52 AM CDT	River Flood Warning	EAX	Carroll, Chariton, Saline	5 days
Jun 29, 9:52 AM CDT	River Flood Warning	EAX	Chariton, Howard, Saline	5 days
Jun 29, 9:52 AM CDT	River Flood Warning	EAX	Cooper, Howard	5 days
Jun 29, 1:04 PM CDT	Special Weather Statement	EAX	Jackson	41 min
Jun 29, 1:37 PM CDT	Special Weather Statement	EAX	Jackson	38 min
Jun 29, 2:07 PM CDT	Special Weather Statement	EAX	Lafayette	23 min
Jun 29, 2:25 PM CDT	Areal Flood Warning	EAX	Caldwell, Carroll, Chariton, Daviess, Livingston	24 hr
Jun 29, 2:56 PM CDT	River Flood Warning	EAX	Carroll	53 hr
Jun 29, 2:59 PM CDT	Special Weather Statement	EAX	Lafayette	46 min
Jun 29, 6:29 PM CDT	Special Weather Statement	EAX	Saline	46 min
Jun 29, 6:33 PM CDT	Severe Thunderstorm Warning	EAX	Saline	42 min
Jun 29, 6:55 PM CDT	Areal Flood Advisory	EAX	Lafayette, Saline	4 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.