Alert archive / Missouri / Tornado Warnings in 2011

Tornado Warning 51, NWS Kansas City, MO

June 19, 2011Nodaway County, Missouri

NWS Kansas City, MO issued this tornado warning at Jun 19, 2011, 9:42 PM CDT for Nodaway County, Missouri. It was in force for 33 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 19, 2011, 9:42 PM CDT (02:42 UTC)
Expired
Jun 19, 2011, 10:15 PM CDT
In force
33 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon

County Nodaway County, MO

The radar

The Omaha radar (KOAX), 157 km from the middle of the area, began a volume at 02:43 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.

IssuedProductOfficeLasted
Jun 19, 6:51 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 2.7 hours before the alert went out and 157 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 2011-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2452 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, Omaha, NE at 00:00Z on 2011-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 square meters per square second.193958Sfc1 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
2452 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
1426 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

652 
WFUS53 KEAX 200242
TOREAX
MOC147-200315-
/O.NEW.KEAX.TO.W.0051.110620T0242Z-110620T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
942 PM CDT SUN JUN 19 2011

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN NODAWAY COUNTY IN NORTHWEST MISSOURI...

* UNTIL 1015 PM CDT

* AT 940 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR BURLINGTON JUNCTION...OR 13 MILES WEST OF
  MARYVILLE...AND MOVING EAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MARYVILLE...BURLINGTON JUNCTION...QUITMAN...CLEARMONT AND
  PICKERING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4051 9473 4029 9475 4035 9518 4052 9517
TIME...MOT...LOC 0243Z 274DEG 19KT 4039 9509
HAIL <.75IN

$$

BOOKBINDER
3 follow-up statements
326 
WWUS53 KEAX 200252
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
952 PM CDT SUN JUN 19 2011

MOC147-200315-
/O.CON.KEAX.TO.W.0051.000000T0000Z-110620T0315Z/
NODAWAY MO-
952 PM CDT SUN JUN 19 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN NODAWAY COUNTY
UNTIL 1015 PM CDT...

AT 949 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR BURLINGTON JUNCTION...OR 11 MILES NORTHWEST OF
MARYVILLE...MOVING EAST AT 25 MPH.  IN ADDITION TO A TORNADO...GOLF 
BALL SIZE HAIL IS EXPECTED TO THE NORTH NEAR ELMO.

LOCATIONS IMPACTED INCLUDE...
  MARYVILLE...CLEARMONT AND PICKERING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4037 9517 4052 9517 4051 9473 4032 9475
TIME...MOT...LOC 0252Z 263DEG 20KT 4041 9503
HAIL 1.75IN

$$

BOOKBINDER
226 
WWUS53 KEAX 200304
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1004 PM CDT SUN JUN 19 2011

MOC147-200315-
/O.CON.KEAX.TO.W.0051.000000T0000Z-110620T0315Z/
NODAWAY MO-
1004 PM CDT SUN JUN 19 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN NODAWAY COUNTY
UNTIL 1015 PM CDT...

AT 957 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR BURLINGTON JUNCTION...OR 9 MILES NORTHWEST OF
MARYVILLE...MOVING EAST AT 25 MPH.  IN ADDITION TO A TORNADO...GOLF 
BALL SIZE HAIL IS EXPECTED WITH THIS STORM NEAR CLEARMONT.

LOCATIONS IMPACTED INCLUDE...
  MARYVILLE AND PICKERING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4038 9510 4052 9511 4051 9473 4032 9475
TIME...MOT...LOC 0304Z 269DEG 20KT 4042 9496
HAIL 1.75IN

$$

BOOKBINDER
191 
WWUS53 KEAX 200316
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1016 PM CDT SUN JUN 19 2011

MOC147-200326-
/O.EXP.KEAX.TO.W.0051.000000T0000Z-110620T0315Z/
NODAWAY MO-
1016 PM CDT SUN JUN 19 2011

...THE TORNADO WARNING FOR NORTHERN NODAWAY COUNTY HAS EXPIRED...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
EXPIRED. HOWEVER...A SEVERE THUNDERSTORM WARNING HAS BEEN ISSUED FOR 
THE AREA FOR LARGE HAIL AND DAMAGING WINDS. ALTHOUGH NOT 
IMMINENT...THIS STORM WILL CONTINUE TO BE MONITORED FOR 
RESTRENGTHENING AND TORNADO POTENTIAL.

LAT...LON 4038 9510 4052 9511 4051 9473 4032 9475
TIME...MOT...LOC 0304Z 269DEG 20KT 4042 9496

$$

BOOKBINDER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 9:41 PM CDTTornado WarningEAXAtchison34 min
Jun 19, 10:11 PM CDTTornado WarningEAXAtchison34 min
Jun 19, 10:13 PM CDTSevere Thunderstorm WarningEAXNodaway32 min
Jun 19, 10:49 PM CDTSpecial Weather StatementEAXWorth26 min
Jun 20, 1:54 AM CDTSpecial Weather StatementEAXSchuyler36 min
Jun 20, 2:02 AM CDTSpecial Weather StatementEAXAtchison13 min
Jun 20, 2:24 AM CDTSpecial Weather StatementEAXAndrew, Gentry, Nodaway36 min
Jun 20, 3:19 AM CDTSpecial Weather StatementEAXDaviess26 min
Jun 20, 3:23 AM CDTSpecial Weather StatementEAXGentry37 min
Jun 20, 9:45 AM CDTFlash Flood WarningEAXHolt24 hr
Jun 20, 3:06 PM CDTFlash Flood WatchEAXAtchison, Gentry, Harrison, Mercer, Nodaway, Putnam and 2 more9 hr

Nearby

Tornado Warnings in Missouri, 2011Every tornado warning in 2011Tornadoes in 2011

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.