Alert archive / Missouri / Tornado Warnings in 2007

Tornado Warning 25, NWS Kansas City, MO

August 8, 2007Atchison County, Nodaway County, Missouri

NWS Kansas City, MO issued this tornado warning at Aug 8, 2007, 6:58 PM CDT for Atchison County, Nodaway County, Missouri. It was in force for 32 min. 2 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
Aug 8, 2007, 6:58 PM CDT (23:58 UTC)
Expired
Aug 8, 2007, 7:30 PM CDT
In force
32 min
Issued by
NWS Kansas City, MO
Area
Counties, with a storm outline in the text

Counties Atchison County, MO, Nodaway County, MO

The radar

The Omaha radar (KOAX), 145 km from the middle of the area, began a volume at 00:01 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
Aug 8, 7:05 PM CDTTSTM WND GST 60Burlington Jct, MO
Aug 8, 7:19 PM CDTTSTM WND GST 61Maryville, MOMEASURED GUST AT MARYVILLE AIRPORT /KEVU/ AWOS.

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
Aug 8, 4:43 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 12.0 hours before the alert went out and 145 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 12:00Z on 2007-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 341 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 12:00Z on 2007-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.1939Sfc1 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
341 J/kg
Mixed-layer CIN
-250 J/kg
Mixed-layer LCL
900 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KEAX 082359
TOREAX
MOC005-147-090030-
/O.NEW.KEAX.TO.W.0025.070808T2358Z-070809T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
658 PM CDT WED AUG 8 2007

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN ATCHISON COUNTY IN NORTHWEST MISSOURI
  NORTHWESTERN NODAWAY COUNTY IN NORTHWEST MISSOURI

* UNTIL 730 PM CDT

* AT 645 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO JUST   
  NORTH OF FAIRFAX. DOPPLER RADAR SHOWED THIS TORNADO MOVING EAST AT 
  25 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
  BURLINGTON JUNCTION BY 715 PM CDT.
  7 MILES NORTHWEST OF MARYVILLE BY 730 PM CDT.

THE TOWNS OF QUITMAN...CLEARMONT AND PICKERING ARE ALSO IN THE PATH
OF THIS TORNADIC STORM.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4047 9532 4029 9528 4033 9480 4056 9484

$$

DEROCHE
2 follow-up statements
000 
WWUS53 KEAX 090017
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
717 PM CDT WED AUG 8 2007

MOC005-090027-
/O.CAN.KEAX.TO.W.0025.000000T0000Z-070809T0030Z/
ATCHISON MO-
717 PM CDT WED AUG 8 2007

...THE TORNADO WARNING FOR ATCHISON COUNTY IS CANCELLED...

AT 711 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE 
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA 
...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. 
THEREFORE...THE TORNADO WARNING IS CANCELLED.

LAT...LON 4047 9518 4029 9518 4033 9480 4056 9484

$$

MOC147-090030-
/O.CON.KEAX.TO.W.0025.000000T0000Z-070809T0030Z/
NODAWAY MO-
717 PM CDT WED AUG 8 2007

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN NODAWAY
COUNTY UNTIL 730 PM CDT...

AT 711 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 55 MPH.

THIS TORNADO WILL AFFECT MAINLY RURAL AREAS OF NORTHWESTERN NODAWAY
COUNTY.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN PLEASANT HILL.

LAT...LON 4047 9518 4029 9518 4033 9480 4056 9484

$$

DEROCHE
000 
WWUS53 KEAX 090026
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
726 PM CDT WED AUG 8 2007

MOC147-090036-
/O.EXP.KEAX.TO.W.0025.000000T0000Z-070809T0030Z/
NODAWAY MO-
726 PM CDT WED AUG 8 2007

...THE TORNADO WARNING FOR NORTHWESTERN NODAWAY COUNTY WILL EXPIRE AT
730 PM CDT...

AT 721 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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN PLEASANT HILL.

LAT...LON 4047 9518 4029 9518 4033 9480 4056 9484

$$

DEROCHE

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 12:09 AM CDTAreal Flood AdvisoryEAXAtchison, Gentry, Harrison, Mercer, Nodaway, Worth6 hr
Aug 8, 6:10 AM CDTAreal Flood AdvisoryEAXAtchison, Gentry, Harrison, Holt, Nodaway, Worth4 hr
Aug 8, 7:31 AM CDTRiver Flood WarningEAXAndrew, Nodaway8 hr
Aug 8, 6:24 PM CDTSevere Thunderstorm WarningEAXAtchison, Nodaway36 min
Aug 8, 6:35 PM CDTTornado WarningEAXAtchison, Nodaway25 min
Aug 8, 6:43 PM CDTSevere Thunderstorm WarningEAXAtchison, Holt47 min
Aug 8, 6:47 PM CDTFlash Flood WarningEAXAtchison, Nodaway6 hr

Nearby

Tornado Warnings in Missouri, 2007Every tornado warning in 2007Tornadoes in 2007

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.