Alert archive / Missouri / Tornado Warnings in 2007

Tornado Warning 63, NWS Springfield, MO

October 17, 2007McDonald County, Missouri

NWS Springfield, MO issued this tornado warning at Oct 17, 2007, 4:33 PM CDT for McDonald County, Missouri. It was in force for 42 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: Oct 17, 2007, 4:33 PM CDT (21:33 UTC)
Expired: Oct 17, 2007, 5:15 PM CDT
In force: 42 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon

County McDonald County, MO

The radar

The Springfield radar (KSGF), 102 km from the middle of the area, began a volume at 21:37 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
Oct 17, 5:05 PM CDT	TSTM WND GST 45	Powell, MO	GUSTS OF 40 TO 45 MPH

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.

Issued	Product	Office	Lasted
Oct 17, 10:43 AM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.6 hours before the alert went out and 50 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: 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 172133
TORSGF
MOC119-172215-
/O.NEW.KSGF.TO.W.0063.071017T2133Z-071017T2215Z/

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

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

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

* UNTIL 515 PM CDT.

* AT 432 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS VERY
  DANGEROUS STORM WAS LOCATED NEAR HIWASSE...OR 10 MILES WEST OF
  BENTONVILLE...MOVING NORTHEAST AT 45 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
  6 MILES SOUTHEAST OF PINEVILLE BY 445 PM CDT.

THE TOWNS OF POWELL AND ROCKY COMFORT 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.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

LAT...LON 3675 9429 3675 9409 3673 9408 3650 9409
      3648 9412 3648 9415 3648 9446 3649 9447
TIME...MOT...LOC 2133Z 210DEG 40KT 3643 9437

$$

WISE

2 follow-up statements

000 
WWUS53 KSGF 172146
SVSSGF

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

MOC119-172215-
/O.CON.KSGF.TO.W.0063.000000T0000Z-071017T2215Z/
MCDONALD MO-
446 PM CDT WED OCT 17 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR EASTERN
MCDONALD COUNTY...

AT 442 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 12
MILES SOUTHWEST OF POWELL...OR 8 MILES SOUTHEAST OF PINEVILLE...
MOVING NORTHEAST AT 40 MPH.

THE TORNADO WILL REMAIN OVER MAINLY RURAL AREAS OF EASTERN MCDONALD
COUNTY...INCLUDING THE TOWNS OF POWELL AND ROCKY COMFORT.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT WEDNESDAY EVENING
FOR SOUTHEAST KANSAS AND SOUTHWESTERN MISSOURI.

LAT...LON 3650 9442 3675 9429 3675 9409 3673 9408
      3650 9409 3648 9412 3648 9442
TIME...MOT...LOC 2146Z 214DEG 34KT 3652 9429

$$

WISE

000 
WWUS53 KSGF 172214
SVSSGF

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

KSC011-172224-
/O.CAN.KSGF.SV.W.0216.000000T0000Z-071017T2230Z/
BOURBON KS-
514 PM CDT WED OCT 17 2007

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BOURBON COUNTY IS
CANCELLED...

THE THUNDERSTORM THAT PROMPTED THE WARNING HAS EXITED THE AREA.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT WEDNESDAY EVENING
FOR SOUTHEAST KANSAS AND SOUTHWESTERN MISSOURI.

LAT...LON 3807 9460 3807 9424 3806 9424 3807 9413
      3804 9408 3792 9408 3773 9459 3776 9461
      3803 9461 3804 9463
TIME...MOT...LOC 2214Z 248DEG 45KT 3802 9428

$$

MOC217-172230-
/O.CON.KSGF.SV.W.0216.000000T0000Z-071017T2230Z/
VERNON MO-
514 PM CDT WED OCT 17 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR NORTHERN VERNON COUNTY...

AT 511 PM CDT...A A SEVERE THUNDERSTORM WAS REPORTED NEAR HORTON...OR
6 MILES SOUTH OF RICH HILL...MOVING EAST AT 40 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  SCHELL CITY BY 525 PM CDT.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT WEDNESDAY EVENING
FOR SOUTHEAST KANSAS AND SOUTHWESTERN MISSOURI.

LAT...LON 3807 9460 3807 9424 3806 9424 3807 9413
      3804 9408 3792 9408 3773 9459 3776 9461
      3803 9461 3804 9463
TIME...MOT...LOC 2214Z 248DEG 45KT 3802 9428

$$

ANGLE

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 17, 3:22 AM CDT	Dense Fog Advisory	SGF	Dent, Douglas, Howell, Oregon, Ozark, Shannon and 1 more	3 hr
Oct 17, 2:48 PM CDT	Severe Thunderstorm Warning	SGF	Vernon	37 min
Oct 17, 4:56 PM CDT	Severe Thunderstorm Warning	SGF	Vernon	34 min
Oct 17, 5:10 PM CDT	Tornado Warning	SGF	Barry, Newton	36 min
Oct 17, 5:24 PM CDT	Severe Thunderstorm Warning	SGF	Vernon	36 min
Oct 17, 5:34 PM CDT	Tornado Warning	SGF	Lawrence	41 min
Oct 17, 5:52 PM CDT	Severe Thunderstorm Warning	SGF	Barton	53 min
Oct 17, 6:02 PM CDT	Severe Thunderstorm Warning	SGF	Cedar, St. Clair, Vernon	58 min
Oct 17, 6:03 PM CDT	Tornado Warning	SGF	Christian, Greene	57 min
Oct 17, 6:08 PM CDT	Tornado Warning	SGF	Barton, Cedar, Vernon	43 min
Oct 17, 6:38 PM CDT	Tornado Warning	SGF	Polk	34 min
Oct 17, 6:39 PM CDT	Tornado Warning	SGF	St. Clair, Vernon	21 min

Nearby

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