Alert archive / Missouri / Tornado Warnings in 2008

Tornado Warning 27, NWS Kansas City, MO

June 11, 2008Atchison County, Missouri

NWS Kansas City, MO issued this tornado warning at Jun 11, 2008, 11:11 PM CDT for Atchison County, Missouri. It was in force for 19 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 11, 2008, 11:11 PM CDT (04:11 UTC)
Expired
Jun 11, 2008, 11:30 PM CDT
In force
19 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon

County Atchison County, MO

The radar

The Omaha radar (KOAX), 125 km from the middle of the area, began a volume at 04:11 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 11, 9:46 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 4.2 hours before the alert went out and 126 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 2008-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1641 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 2008-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 232 square meters per square second.19395878Sfc1 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
1641 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
1105 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
232 m²/s²
0-3 km storm-relative helicity
249 m²/s²
Significant tornado parameter
1.9
Supercell composite
8.7

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KEAX 120412
TOREAX
MOC005-120430-
/O.NEW.KEAX.TO.W.0027.080612T0411Z-080612T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1111 PM CDT WED JUN 11 2008

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

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

* UNTIL 1130 PM CDT

* AT 1108 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 7 MILES NORTH OF ROCKPORT...OR 11 MILES NORTHWEST
  OF TARKIO...AND MOVING NORTHEAST AT 59 MPH.

* THIS TORNADIC STORM WILL REMAIN OVER MAINLY RURAL AREAS OF NORTHERN
  ATCHISON COUNTY...INCLUDING THE TOWN OF WESTBORO.

THIS IS A SUPERCELL THUNDERSTORM. IN ADDITION TO TORNADOES...
SUPERCELLS ARE CAPABLE OF PRODUCING EXTREMELY LARGE HAIL AND
DESTRUCTIVE STRAIGHT LINE WINDS. ACT QUICKLY AND MOVE TO SAFETY
INSIDE A STURDY SHELTER...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM
ON THE LOWEST FLOOR.

AT 1108 PM CDT...A FUNNEL CLOUD WAS REPORTED 1 MILE SOUTHWEST OF
WATSON WITH THIS STORM.

LAT...LON 4059 9537 4058 9522 4048 9522 4047 9518
      4045 9518 4044 9519 4039 9557 4060 9566
TIME...MOT...LOC 0411Z 240DEG 51KT 4054 9549

$$

SF
2 follow-up statements
000 
WWUS53 KEAX 120425
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1125 PM CDT WED JUN 11 2008

MOC005-120430-
/O.CON.KEAX.TO.W.0027.000000T0000Z-080612T0430Z/
ATCHISON MO-
1125 PM CDT WED JUN 11 2008

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN ATCHISON
COUNTY UNTIL 1130 PM CDT...

AT 1120 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 7 MILES SOUTHWEST OF COIN...OR 11 MILES NORTH OF
TARKIO...MOVING NORTHEAST AT 59 MPH.

THIS TORNADO WILL AFFECT MAINLY RURAL AREAS OF NORTHEASTERN ATCHISON
COUNTY.

AT 1118 PM CDT...A TRAINED SPOTTER REPORTED A WALL CLOUD 5 MILES
NORTH OF TARKIO.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT THURSDAY MORNING
FOR NORTHEAST KANSAS AND NORTHWESTERN MISSOURI.

LAT...LON 4058 9522 4054 9522 4053 9522 4051 9522
      4049 9523 4049 9543 4060 9550
TIME...MOT...LOC 0425Z 240DEG 51KT 4063 9526

$$

SF
000 
WWUS53 KEAX 120431
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1131 PM CDT WED JUN 11 2008

MOC005-120441-
/O.EXP.KEAX.TO.W.0027.000000T0000Z-080612T0430Z/
ATCHISON MO-
1131 PM CDT WED JUN 11 2008

...THE TORNADO WARNING FOR NORTHEASTERN ATCHISON COUNTY HAS
EXPIRED...

AT 1129 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT THURSDAY MORNING
FOR NORTHEAST KANSAS AND NORTHWESTERN MISSOURI.

LAT...LON 4058 9522 4054 9522 4053 9522 4051 9522
      4049 9523 4049 9543 4060 9550
TIME...MOT...LOC 0425Z 240DEG 51KT 4063 9526

$$

SF

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 7:57 PM CDTAreal Flood WarningEAXPlatte24 hr
Jun 11, 9:42 PM CDTRiver Flood WarningEAXAndrew, Buchanan62 hr
Jun 11, 9:42 PM CDTRiver Flood WarningEAXAndrew, Holt, Nodaway48 hr
Jun 11, 10:43 PM CDTTornado WarningEAXAtchison32 min
Jun 11, 11:44 PM CDTFlash Flood WarningEAXAtchison6 hr
Jun 12, 2:38 AM CDTAreal Flood AdvisoryEAXAndrew, Buchanan, DeKalb, Gentry, Holt, Nodaway and 1 more7 hr
Jun 12, 7:10 AM CDTAreal Flood WarningEAXAndrew, Buchanan, DeKalb, Gentry, Harrison, Nodaway and 1 more8 hr
Jun 12, 9:48 AM CDTAreal Flood WarningEAXPlatte4 hr
Jun 12, 11:55 AM CDTRiver Flood WarningEAXDaviess, Gentry56 hr
Jun 12, 2:55 PM CDTAreal Flood WarningEAXAndrew, Buchanan, DeKalb, Gentry, Harrison, Nodaway and 1 more24 hr
Jun 12, 3:48 PM CDTFlash Flood WatchEAXAdair, Bates, Caldwell, Carroll, Cass, Chariton and 21 more13 hr
Jun 12, 3:50 PM CDTTornado WarningEAXSullivan25 min
Jun 12, 3:53 PM CDTTornado WarningEAXDaviess, Grundy37 min
Jun 12, 3:58 PM CDTTornado WarningEAXPutnam32 min
Jun 12, 4:20 PM CDTTornado WarningEAXGrundy, Sullivan40 min
Jun 12, 4:21 PM CDTRiver Flood WarningEAXLinn, Livingston4 days
Jun 12, 4:21 PM CDTRiver Flood WarningEAXCarroll, Chariton, Linn, Livingston6 days
Jun 12, 4:22 PM CDTSevere Thunderstorm WarningEAXMercer38 min
Jun 12, 4:24 PM CDTAreal Flood AdvisoryEAXGrundy, Mercer, Putnam, Schuyler, Sullivan3 hr
Jun 12, 4:26 PM CDTTornado WarningEAXPutnam, Schuyler34 min
Jun 12, 4:51 PM CDTTornado WarningEAXSullivan24 min
Jun 12, 5:07 PM CDTRiver Flood WarningEAXDaviess, Livingston60 hr
Jun 12, 5:10 PM CDTSevere Thunderstorm WarningEAXPutnam, Sullivan35 min
Jun 12, 5:15 PM CDTTornado WarningEAXAdair, Putnam, Sullivan19 min
Jun 12, 5:26 PM CDTTornado WarningEAXSchuyler34 min
Jun 12, 5:31 PM CDTSevere Thunderstorm WarningEAXSchuyler32 min
Jun 12, 6:41 PM CDTSevere Thunderstorm WarningEAXBuchanan, Clinton, DeKalb49 min

Nearby

Tornado Warnings in Missouri, 2008Every tornado warning in 2008Tornadoes in 2008

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.