Alert archive / Missouri / Tornado Warnings in 2017

Tornado Warning 6, NWS Kansas City, MO

March 6, 2017Harrison County, Mercer County, Missouri

NWS Kansas City, MO issued this tornado warning at Mar 6, 2017, 7:27 PM CST for Harrison County, Mercer County, Missouri. It was in force for 33 min. 9 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, 7:27 PM CST (01:27 UTC)
Expired: Mar 6, 2017, 8:00 PM CST
In force: 33 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Harrison County, MO, Mercer County, MO

The radar

The Des Moines radar (KDMX), 158 km from the middle of the area, began a volume at 01:30 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
Mar 6, 7:27 PM CST	TSTM WND DMG	1 N Bethany, MO	* 1 INJ * DELAYED REPORT. TRACTOR TRAILER BLOWN OVER ON I-35 NEAR BETHANY AT MM 93. TIME MATCHED TO RADAR.
Mar 6, 7:27 PM CST	TSTM WND DMG	1 N Bethany, MO	DELAYED REPORT. TRACTOR TRAILER BLOWN OVER ON I-35 NEAR BETHANY AT MM 93. TIME MATCHED TO RADAR.
Mar 6, 7:27 PM CST	TSTM WND DMG	4 N Mount Moriah, MO	DELAYED REPORT. FRONT PORCH BLOWN OFF HOME. ADDITIONAL DAMAGE TO TWO OUT BUILDINGS. TIME MATCHED TO RADAR.
Mar 6, 7:27 PM CST	TSTM WND DMG	4 Ssw Cainsville, MO	DELAYED REPORT. FRONT PORCH BLOWN OFF HOME. ADDITIONAL DAMAGE TO TWO OUT BUILDINGS. TIME MATCHED TO RADAR.
Mar 6, 7:30 PM CST	TORNADO	3 S Mount Moriah, MO	POSSIBLY STARTED NEAR HWY CC AND HWY 136. MOBILE HOME BLOW AWAY, BARN DAMAGE, AND HOME DAMAGE NEAR THIS AREA AS WELL. POSSIBLE PATH IS THROUGH MERCER TO SEYMOUR, IA.
Mar 6, 7:30 PM CST	TORNADO	4 S Mount Moriah, MO	POSSIBLY STARTED NEAR HWY CC AND HWY 136. MOBILE HOME BLOW AWAY, BARN DAMAGE, AND HOME DAMAGE NEAR THIS AREA AS WELL. POSSIBLE PATH IS THROUGH MERCER TO SEYMOUR, IA.
Mar 6, 7:38 PM CST	TORNADO	4 S Mount Moriah, MO	POSSIBLY STARTED NEAR HWY CC AND HWY 136. MOBILE HOME BLOW AWAY, BARN DAMAGE, AND HOME DAMAGE NEAR THIS AREA AS WELL. POSSIBLE PATH IS THROUGH MERCER TO SEYMOUR, IA.
Mar 6, 7:38 PM CST	TORNADO	Mount Moriah, MO	DAMAGE TO HOME, OUTBUILDING AND TREES
Mar 6, 7:38 PM CST	TORNADO	Mount Moriah, MO	DAMAGE TO HOME, OUTBUILDING AND TREES.

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
Mar 6, 2:27 PM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Topeka, KS (KFOE), launched 00:00Z, 1.5 hours before the alert went out and 209 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: 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.

204 
WFUS53 KEAX 070127
TOREAX
MOC081-129-070200-
/O.NEW.KEAX.TO.W.0006.170307T0127Z-170307T0200Z/

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

The National Weather Service in Pleasant Hill has issued a

* Tornado Warning for...
  Southwestern Mercer County in north central Missouri...
  Southeastern Harrison County in north central Missouri...

* Until 800 PM CST
    
* At 727 PM CST, a severe thunderstorm capable of producing a tornado
  was located over Bethany, moving northeast 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...
  Bethany, Ridgeway, Cainsville, Mount Moriah and Modena. 

This includes Interstate 35 in Missouri between mile markers 89 and
98.
 
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 4021 9405 4030 9412 4052 9369 4032 9358
TIME...MOT...LOC 0127Z 244DEG 52KT 4028 9400 

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

$$

Hawblitzel

1 follow-up statement

382 
WWUS53 KEAX 070134
SVSEAX

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

MOC081-129-070200-
/O.CON.KEAX.TO.W.0006.000000T0000Z-170307T0200Z/
Mercer MO-Harrison MO-
734 PM CST MON MAR 6 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CST FOR
SOUTHWESTERN MERCER AND EAST CENTRAL HARRISON COUNTIES...
    
At 734 PM CST, a severe thunderstorm capable of producing a tornado
was located near Ridgeway, or 10 miles northeast of Bethany, moving
northeast 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...
Ridgeway, Cainsville and Mount Moriah. 

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 4027 9390 4035 9397 4052 9369 4032 9358
TIME...MOT...LOC 0134Z 242DEG 53KT 4034 9386 

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

$$

Hawblitzel

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 6, 6:12 PM CST	Tornado Warning	EAX	Andrew, Holt, Nodaway	33 min
Mar 6, 6:22 PM CST	Tornado Warning	EAX	Holt, Nodaway	23 min
Mar 6, 6:39 PM CST	Special Weather Statement	EAX	Buchanan	36 min
Mar 6, 6:43 PM CST	Severe Thunderstorm Warning	EAX	Andrew, Buchanan, DeKalb, Gentry	47 min
Mar 6, 6:52 PM CST	Severe Thunderstorm Warning	EAX	Gentry, Harrison, Mercer, Nodaway, Worth	38 min
Mar 6, 6:53 PM CST	Severe Thunderstorm Warning	EAX	Buchanan, Clay, Platte	37 min
Mar 6, 6:59 PM CST	Tornado Warning	EAX	Buchanan, Clay, Platte	31 min
Mar 6, 7:03 PM CST	Tornado Warning	EAX	Andrew, Buchanan, DeKalb, Gentry	27 min
Mar 6, 7:06 PM CST	Severe Thunderstorm Warning	EAX	Buchanan, Platte	39 min
Mar 6, 7:18 PM CST	Tornado Warning	EAX	Buchanan, Clay, Platte	14 min
Mar 6, 7:26 PM CST	Severe Thunderstorm Warning	EAX	Buchanan, Caldwell, Clay, Clinton, DeKalb, Platte	34 min
Mar 6, 7:27 PM CST	Severe Thunderstorm Warning	EAX	Clay, Clinton, Jackson, Lafayette, Platte, Ray	48 min
Mar 6, 7:29 PM CST	Tornado Warning Tornado observed	EAX	Clay, Clinton, Platte	31 min
Mar 6, 7:33 PM CST	Tornado Warning	EAX	Daviess, DeKalb, Harrison	27 min
Mar 6, 7:36 PM CST	Severe Thunderstorm Warning	EAX	Cass, Jackson	54 min
Mar 6, 7:48 PM CST	Tornado Warning	EAX	Mercer, Putnam	27 min
Mar 6, 7:50 PM CST	Tornado Warning	EAX	Caldwell, Clinton, Daviess	25 min
Mar 6, 7:55 PM CST	Severe Thunderstorm Warning	EAX	Bates, Cass	35 min
Mar 6, 7:59 PM CST	Tornado Warning	EAX	Cass, Jackson, Johnson, Lafayette	31 min
Mar 6, 8:06 PM CST	Severe Thunderstorm Warning	EAX	Caldwell, Carroll, Clay, Daviess, Grundy, Jackson and 7 more	24 min
Mar 6, 8:11 PM CST	Tornado Warning	EAX	Caldwell, Daviess, Livingston	23 min
Mar 6, 8:15 PM CST	Severe Thunderstorm Warning	EAX	Carroll, Cass, Henry, Jackson, Johnson, Lafayette and 1 more	45 min
Mar 6, 8:18 PM CST	Severe Thunderstorm Warning	EAX	Bates	27 min
Mar 6, 8:19 PM CST	Tornado Warning	EAX	Jackson, Johnson, Lafayette	26 min
Mar 6, 8:25 PM CST	Flash Flood Warning	EAX	Clay, Jackson	3 hr
Mar 6, 8:25 PM CST	Severe Thunderstorm Warning	EAX	Bates, Cass, Henry	35 min
Mar 6, 8:32 PM CST	Severe Thunderstorm Warning	EAX	Adair, Carroll, Chariton, Grundy, Lafayette, Linn and 7 more	28 min
Mar 6, 8:33 PM CST	Tornado Warning	EAX	Carroll, Chariton, Saline	27 min
Mar 6, 8:55 PM CST	Severe Thunderstorm Warning	EAX	Carroll, Chariton, Cooper, Howard, Johnson, Lafayette and 6 more	35 min
Mar 6, 8:57 PM CST	Special Weather Statement	EAX	Adair, Linn, Macon, Schuyler	33 min
Mar 6, 8:58 PM CST	Tornado Warning	EAX	Bates, Henry	32 min
Mar 6, 8:59 PM CST	Special Weather Statement	EAX	Bates, Henry, Johnson	46 min
Mar 6, 9:01 PM CST	Severe Thunderstorm Warning	EAX	Bates, Henry, Johnson, Pettis	29 min
Mar 6, 9:04 PM CST	Severe Thunderstorm Warning	EAX	Adair, Linn, Macon, Putnam, Schuyler, Sullivan	41 min
Mar 6, 9:10 PM CST	Tornado Warning	EAX	Chariton, Linn, Macon	35 min
Mar 6, 9:23 PM CST	Tornado Warning	EAX	Cooper, Pettis, Saline	37 min
Mar 6, 9:28 PM CST	Severe Thunderstorm Warning	EAX	Chariton, Cooper, Howard, Macon, Pettis, Randolph and 1 more	47 min
Mar 6, 9:40 PM CST	Tornado Warning Tornado observed	EAX	Macon	9 min
Mar 6, 9:56 PM CST	Tornado Warning	EAX	Cooper, Howard	11 min
Mar 7, 11:07 AM CST	Wind Advisory	EAX	Adair, Andrew, Atchison, Buchanan, Caldwell, Carroll and 22 more	5 hr
Mar 7, 3:44 PM CST	Fire Weather Watch	EAX	Bates, Buchanan, Cass, Clay, Clinton, Henry and 6 more	10 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.