Alert archive / Missouri / Tornado Warnings in 2017

Tornado Warning 2, NWS Kansas City, MO

March 6, 2017Holt County, Nodaway County, Missouri

NWS Kansas City, MO issued this tornado warning at Mar 6, 2017, 6:22 PM CST for Holt County, Nodaway County, Missouri. It was in force for 23 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, 6:22 PM CST (00:22 UTC)
Expired
Mar 6, 2017, 6:45 PM CST
In force
23 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Holt County, MO, Nodaway County, MO

The radar

The Omaha radar (KOAX), 168 km from the middle of the area, began a volume at 00:25 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, 6:30 PM CSTTORNADO2 Nne Skidmore, MOWEST NODAWAY FIRE REPORTED A BRIEF TORNADO ON HWY 113.
Mar 6, 6:32 PM CSTHAIL 0.883 W Maryville, MONICKEL SIZE HAIL REPORTED FROM LAW ENFORCEMENT VIA EM 3 MILES WEST OF MARYVILLE.
Mar 6, 6:35 PM CSTTORNADO2 Wsw Maryville, MOLAW ENFORCEMENT RELAYED REPORT FROM THE PUBLIC OF A BRIEF TORNADO WEST OF MARYVILLE.
Mar 6, 6:42 PM CSTHAIL 13 N Maryville, MOPICKERING FIRE REPORTED QUARTER SIZE HAIL ON HWY 71 VIA EM.
Mar 6, 6:48 PM CSTHAIL 1Parnell, MO.
Mar 6, 6:51 PM CSTTSTM WND DMG5 Nw Ravenwood, MOEM RELAYED REPORT FROM CITIZEN OF SHED BLOWN INTO ROAD ON 220TH STREET NEAR RAVENWOOD.
Mar 6, 6:55 PM CSTHAIL 0.75Parnell, MODIME SIZE HAIL IN PARNELL. TIME ESTIMATED.
Mar 6, 6:55 PM CSTHAIL 1.5Ravenwood, MOEM RELAYED REPORT FROM SPOTTER OF PING PONG BALL SIZE HAIL IN RAVENWOOD .
Mar 6, 6:55 PM CSTHAIL 1.751 Ene Ravenwood, MOUP TO GOLF BALL, SAW A LOT OF QUARTER SIZE AS WELL. HAIL IS COVERING THE ROADS.

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

Omaha, NE (KOAX), launched 00:00Z, 0.4 hours before the alert went out and 168 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, Omaha, NE at 00:00Z on 2017-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Omaha, NE at 00:00Z on 2017-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -227 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2603 m above ground
0-6 km bulk shear
105 kt
0-1 km storm-relative helicity
-227 m²/s²
0-3 km storm-relative helicity
179 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

611 
WFUS53 KEAX 070022
TOREAX
MOC087-147-070045-
/O.NEW.KEAX.TO.W.0002.170307T0022Z-170307T0045Z/

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

The National Weather Service in Pleasant Hill has issued a

* Tornado Warning for...
  Northeastern Holt County in northwestern Missouri...
  Central Nodaway County in northwestern Missouri...

* Until 645 PM CST
    
* At 622 PM CST, a severe thunderstorm capable of producing a tornado
  was located over Skidmore, or 9 miles west of Maryville, moving
  east at 90 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...
  Maryville, Burlington Junction, Ravenwood, Skidmore, Conception
  Junction, Parnell, Pickering, Clyde, Arkoe and Quitman.

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 4047 9463 4047 9461 4039 9461 4039 9460
      4028 9460 4020 9513 4038 9518 4041 9518
      4057 9467 4057 9463
TIME...MOT...LOC 0022Z 255DEG 80KT 4032 9505 

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

$$

32
1 follow-up statement
544 
WWUS53 KEAX 070046
SVSEAX

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

MOC087-147-070056-
/O.EXP.KEAX.TO.W.0002.000000T0000Z-170307T0045Z/
Holt MO-Nodaway MO-
646 PM CST MON MAR 6 2017

...THE TORNADO WARNING FOR NORTHEASTERN HOLT AND CENTRAL NODAWAY
COUNTIES HAS EXPIRED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been allowed to expire.  However small
hail and gusty winds are still possible with this thunderstorm.

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

LAT...LON 4047 9463 4047 9461 4039 9461 4039 9460
      4028 9460 4020 9513 4038 9518 4041 9518
      4057 9467 4057 9463
TIME...MOT...LOC 0046Z 255DEG 80KT 4045 9441 

$$

32

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, 6:39 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, 8:19 PM CSTTornado WarningEAXJackson, Johnson, Lafayette26 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.