Alert archive / Missouri / Tornado Warnings in 2007

Tornado Warning 65, NWS Springfield, MO

October 17, 2007Lawrence County, Missouri

NWS Springfield, MO issued this tornado warning at Oct 17, 2007, 5:34 PM CDT for Lawrence County, Missouri. It was in force for 41 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
Oct 17, 2007, 5:34 PM CDT (22:34 UTC)
Expired
Oct 17, 2007, 6:15 PM CDT
In force
41 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon

County Lawrence County, MO

The radar

The Springfield radar (KSGF), 41 km from the middle of the area, began a volume at 22:35 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
Oct 17, 5:50 PM CDTTORNADO1 N Verona, MOEF-2 TORNADO TRACKED FROM JUST NORTH OF VERONA TO NEAR CHESAPEAKE IN EASTERN LAWRENCE COUNTY. THE TORNADO PATH RANGED FROM 50 TO 150 YARDS WIDE AND PRODUCED AN INTERMITTENT DAMAGE PATH APPROXIMATELY ELEVEN MILES LONG. NINE HOMES, A LUMBER MILL AND SEVERAL BARN
Oct 17, 5:50 PM CDTTORNADO2 N Verona, MOCONFIRMED TORNADO 1.5 MILES NORTH OF VERONA
Oct 17, 5:56 PM CDTTORNADOMount Vernon, MODEBRIS IN THE AIR ON SOUTHWEST SIDE OF MOUNT VERNON
Oct 17, 6:00 PM CDTTORNADO2 N Verona, MOTHREE HOMES DESTROYED AND ONE HOME DAMAGED BETWEEN VERONA AND CHESAPEAKE.
Oct 17, 6:00 PM CDTTORNADO3 Sw Chesapeake, MOA HOME WAS DESTROYED 3 MILES SOUTHWEST OF CHESAPEAKE AT THE JUNCTION OF HIGHWAY KK AND F.
Oct 17, 6:03 PM CDTTORNADO2 Sw Chesapeake, MO
Oct 17, 6:05 PM CDTTORNADO2 Sw Chesapeake, MOREPORTED BY TOWER PERSONNEL AT SGF
Oct 17, 6:14 PM CDTTORNADO1 N Halltown, MODEBRIS IN AIR 0.5 MILES NORTH OF HALLTOWN
Oct 17, 6:21 PM CDTTORNADO1 N Halltown, MODEBRIS IN AIR 0.5 MILES NORTH OF HALLTOWN

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
Oct 17, 10:43 AM CDTTornado WatchSPC7 hr
Oct 17, 5:30 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.6 hours before the alert went out and 12 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, Springfield, MO at 12:00Z on 2007-10-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 389 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2007-10-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 195 square meters per square second.1939587897Sfc1 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
389 J/kg
Mixed-layer CIN
-89 J/kg
Mixed-layer LCL
632 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
195 m²/s²
0-3 km storm-relative helicity
218 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KSGF 172234
TORSGF
MOC109-172315-
/O.NEW.KSGF.TO.W.0065.071017T2234Z-071017T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
534 PM CDT WED OCT 17 2007

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN LAWRENCE COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 615 PM CDT.

* AT 530 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS VERY
  DANGEROUS STORM WAS LOCATED NEAR MONETT...MOVING NORTHEAST AT 50
  MPH.

* THIS TORNADIC STORM WILL BE NEAR...
  VERONA BY 540 PM CDT.
  6 MILES NORTHWEST OF AURORA BY 545 PM CDT.
  MOUNT VERNON AND 8 MILES NORTHWEST OF MARIONVILLE BY 550 PM CDT.

THE TOWNS OF FREISTATT...HOBERG...CHESAPEAKE AND HALLTOWN ARE ALSO IN
THE PATH OF THIS TORNADIC STORM. THIS ALSO INCLUDES INTERSTATE 44
BETWEEN MILE MARKERS 40 AND 58.

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 3693 9373 3693 9400 3694 9401 3728 9378
      3728 9361 3694 9363 3691 9368 3692 9371
TIME...MOT...LOC 2234Z 214DEG 43KT 3692 9388

$$

WISE
2 follow-up statements
000 
WWUS53 KSGF 172254
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
553 PM CDT WED OCT 17 2007

MOC109-172315-
/O.CON.KSGF.TO.W.0065.000000T0000Z-071017T2315Z/
LAWRENCE MO-
553 PM CDT WED OCT 17 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR EASTERN
LAWRENCE COUNTY...

AT 550 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
AURORA...MOVING NORTHEAST AT 25 MPH.

THE TORNADO WILL BE NEAR...
  6 MILES NORTHWEST OF MARIONVILLE BY 600 PM CDT.

THE TOWNS OF CHESAPEAKE AND HALLTOWN ARE IN THE PATH OF THIS TORNADO.
THIS ALSO INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 42 AND 58.

AT 550 PM CDT A TORNADO WAS REPORTED JUST NORTH OF THE CITY OF 
VERONA.

LAT...LON 3699 9385 3703 9390 3727 9379 3728 9378
      3728 9361 3697 9364 3695 9372
TIME...MOT...LOC 2253Z 224DEG 22KT 3704 9376

$$

WISE
000 
WWUS53 KSGF 172313
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
612 PM CDT WED OCT 17 2007

MOC109-172322-
/O.EXP.KSGF.TO.W.0065.000000T0000Z-071017T2315Z/
LAWRENCE MO-
612 PM CDT WED OCT 17 2007

...THE TORNADO WARNING FOR EASTERN LAWRENCE COUNTY EXPIRES AT 615 PM
CDT...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE TORNADO
THAT PROMPTED THE WARNING IS EXITING THE WARNED AREA...THUS THE
WARNING IS BEING ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT THURSDAY MORNING
FOR SOUTHEAST KANSAS AND SOUTHERN MISSOURI.

LAT...LON 3699 9385 3703 9390 3727 9379 3728 9378
      3728 9361 3697 9364 3695 9372
TIME...MOT...LOC 2312Z 224DEG 22KT 3712 9366

$$

WISE

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 17, 3:22 AM CDTDense Fog AdvisorySGFDent, Douglas, Howell, Oregon, Ozark, Shannon and 1 more3 hr
Oct 17, 2:48 PM CDTSevere Thunderstorm WarningSGFVernon37 min
Oct 17, 4:33 PM CDTTornado WarningSGFMcDonald42 min
Oct 17, 4:56 PM CDTSevere Thunderstorm WarningSGFVernon34 min
Oct 17, 5:10 PM CDTTornado WarningSGFBarry, Newton36 min
Oct 17, 5:24 PM CDTSevere Thunderstorm WarningSGFVernon36 min
Oct 17, 5:52 PM CDTSevere Thunderstorm WarningSGFBarton53 min
Oct 17, 6:02 PM CDTSevere Thunderstorm WarningSGFCedar, St. Clair, Vernon58 min
Oct 17, 6:03 PM CDTTornado WarningSGFChristian, Greene57 min
Oct 17, 6:08 PM CDTTornado WarningSGFBarton, Cedar, Vernon43 min
Oct 17, 6:38 PM CDTTornado WarningSGFPolk34 min
Oct 17, 6:39 PM CDTTornado WarningSGFSt. Clair, Vernon21 min

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.