Alert archive / Missouri / Tornado Warnings in 2008

Tornado Warning 172, NWS Springfield, MO

September 11, 2008Douglas County, Howell County, Texas County, Missouri

NWS Springfield, MO issued this tornado warning at Sep 11, 2008, 6:34 PM CDT for Douglas County, Howell County, Texas County, Missouri. It was in force for 26 min. 1 report 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: Sep 11, 2008, 6:34 PM CDT (23:34 UTC)
Expired: Sep 11, 2008, 7:00 PM CDT
In force: 26 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon

Counties Douglas County, MO, Howell County, MO, Texas County, MO

The radar

The Springfield radar (KSGF), 127 km from the middle of the area, began a volume at 23:35 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

Time	Report	Where	Remark
Sep 11, 6:52 PM CDT	TORNADO	1 N Cabool, MO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.6 hours before the alert went out and 164 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 336 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 627 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 107 m²/s²
0-3 km storm-relative helicity: 108 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KSGF 112334
TORSGF
MOC067-091-215-120000-
/O.NEW.KSGF.TO.W.0172.080911T2334Z-080912T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
634 PM CDT THU SEP 11 2008

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN DOUGLAS COUNTY IN SOUTHWEST MISSOURI...
  NORTHWESTERN HOWELL COUNTY IN SOUTH CENTRAL MISSOURI...
  SOUTHERN TEXAS COUNTY IN SOUTH CENTRAL MISSOURI...

* UNTIL 700 PM CDT.

* AT 630 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A CONFIRMED TORNADO 7 MILES SOUTH OF CABOOL...OR 9 MILES WEST OF
  WILLOW SPRINGS...MOVING NORTHEAST AT 16 MPH.

* THE TORNADO WILL BE NEAR...
  6 MILES SOUTHEAST OF CABOOL BY 645 PM CDT.
  WILLOW SPRINGS BY 655 PM CDT.

STORM SPOTTERS REPORT A TORNADO ON THE GROUND WITH THIS STORM. TAKE 
COVER IMMEDIATELY IF YOU ARE IN THE PATH OF THIS STORM

THERE ARE TWO AREAS OF ROTATION WITH THIS STORM...ONE OVER 
NORTHEASTERN DOUGLAS COUNTY AND A SECOND AREA OF ROTATION 3 MILES 
SOUTH OF CABOOL. BOTH OF THESE ARE MOVING TO THE EAST NORTHEAST.

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 3723 9184 3700 9174 3693 9220 3711 9225
TIME...MOT...LOC 2333Z 245DEG 14KT 3702 9211

$$

BARJENBRUCH

1 follow-up statement

000 
WWUS53 KSGF 112343
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
643 PM CDT THU SEP 11 2008

MOC067-091-215-120000-
/O.CON.KSGF.TO.W.0172.000000T0000Z-080912T0000Z/
TEXAS MO-DOUGLAS MO-HOWELL MO-
639 PM CDT THU SEP 11 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
NORTHEASTERN DOUGLAS...NORTHWESTERN HOWELL AND SOUTHERN TEXAS
COUNTIES...

AT 635 PM CDT...TRAINED WEATHER SPOTTERS CONTINUED TO TRACK A TORNADO
7 MILES SOUTH OF CABOOL...OR 8 MILES WEST OF WILLOW SPRINGS...MOVING
NORTHEAST AT 16 MPH.

THIS TORNADO WILL BE NEAR...
  CABOOL BY 650 PM CDT.
  WILLOW SPRINGS BY 700 PM CDT.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW. IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

A SECOND AREA OF ROTATION WAS LOCATED NEAR CABOOL. THIS AREA OF 
ROTATION HAD PREVIOUSLY PRODUCED A TORNADO. THIS TORNADO HAS 
LIFTED...BUT THE ROTATION REMAINS AND MAY PRODUCE A TORNADO AT ANY 
TIME.

LAT...LON 3696 9218 3712 9221 3719 9200 3719 9196
      3720 9194 3721 9190 3722 9190 3723 9184
      3700 9174
TIME...MOT...LOC 2339Z 245DEG 14KT 3703 9210

$$

BARJENBRUCH

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 11, 3:53 PM CDT	Tornado Warning	SGF	Taney	37 min
Sep 11, 4:21 PM CDT	Tornado Warning	SGF	Douglas, Ozark, Taney	39 min
Sep 11, 4:59 PM CDT	Tornado Warning	SGF	Douglas, Ozark, Taney	46 min
Sep 11, 6:48 PM CDT	Tornado Warning	SGF	Ozark	42 min
Sep 11, 6:55 PM CDT	Tornado Warning	SGF	Ozark, Taney	35 min
Sep 11, 6:58 PM CDT	Tornado Warning	SGF	Howell, Texas	32 min

Nearby

Tornado Warnings in Missouri, 2008 Every tornado warning in 2008 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.