Alert archive / Missouri / Tornado Warnings in 2007

Tornado Warning 70, NWS Springfield, MO

October 18, 2007Howell County, Oregon County, Missouri

NWS Springfield, MO issued this tornado warning at Oct 18, 2007, 1:32 AM CDT for Howell County, Oregon County, Missouri. It was in force for 42 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: Oct 18, 2007, 1:32 AM CDT (06:32 UTC)
Expired: Oct 18, 2007, 2:14 AM CDT
In force: 42 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon

Counties Howell County, MO, Oregon County, MO

The radar

The Springfield radar (KSGF), 185 km from the middle of the area, began a volume at 06:33 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.

Issued	Product	Office	Lasted
Oct 17, 11:40 PM CDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 6.5 hours before the alert went out and 212 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: 1262 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 618 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 266 m²/s²
0-3 km storm-relative helicity: 287 m²/s²
Significant tornado parameter: 2.4
Supercell composite: 8.3

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KSGF 180632
TORSGF
MOC091-149-180730-
/O.NEW.KSGF.TO.W.0070.071018T0632Z-071018T0730Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
132 AM CDT THU OCT 18 2007

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  OREGON COUNTY IN SOUTH CENTRAL MISSOURI...
  SOUTHEASTERN HOWELL COUNTY IN SOUTH CENTRAL MISSOURI...

* UNTIL 230 AM CDT.

* AT 129 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS VERY
  DANGEROUS STORM WAS LOCATED 13 MILES NORTHEAST OF VIOLA...OR 14
  MILES WEST OF MAMMOTH SPRING...MOVING EAST AT 50 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
  THAYER BY 145 AM CDT.
  ALTON BY 155 AM CDT.

THE TOWNS OF KOSHKONONG...COUCH AND WILDERNESS ARE ALSO IN THE PATH
OF THIS TORNADIC STORM.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING
DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 70 MPH.

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 3660 9191 3689 9168 3688 9131 3689 9122
      3684 9121 3684 9112 3682 9110 3649 9113
      3647 9126 3649 9186
TIME...MOT...LOC 0632Z 249DEG 47KT 3651 9175

$$

CRAMER

4 follow-up statements

000 
WWUS53 KSGF 180641
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
141 AM CDT THU OCT 18 2007

MOC091-149-180730-
/O.CON.KSGF.TO.W.0070.000000T0000Z-071018T0730Z/
HOWELL MO-OREGON MO-
141 AM CDT THU OCT 18 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM CDT FOR OREGON
AND SOUTHEASTERN HOWELL COUNTIES...

AT 138 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
KOSHKONONG...OR 10 MILES WEST OF THAYER...MOVING NORTHEAST AT 50 MPH.

THE TORNADO WILL BE NEAR...
  ALTON BY 200 AM CDT.

THE TOWNS OF GREER AND WILDERNESS ARE IN THE PATH OF THIS TORNADO.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING
DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 70 MPH.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 AM CDT THURSDAY MORNING
FOR SOUTHERN MISSOURI.

LAT...LON 3651 9174 3661 9180 3689 9168 3688 9131
      3689 9122 3684 9121 3684 9112 3682 9110
      3649 9113 3647 9125
TIME...MOT...LOC 0641Z 240DEG 44KT 3659 9166

$$

CRAMER

000 
WWUS53 KSGF 180650
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
150 AM CDT THU OCT 18 2007

MOC091-180700-
/O.CAN.KSGF.TO.W.0070.000000T0000Z-071018T0730Z/
HOWELL MO-
150 AM CDT THU OCT 18 2007

...THE TORNADO WARNING FOR SOUTHEASTERN HOWELL COUNTY IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 AM CDT THURSDAY MORNING
FOR SOUTHERN MISSOURI.

LAT...LON 3663 9163 3688 9167 3688 9131 3689 9122
      3684 9121 3684 9112 3680 9109 3659 9112
      3659 9149
TIME...MOT...LOC 0650Z 241DEG 50KT 3666 9150

$$

MOC149-180730-
/O.CON.KSGF.TO.W.0070.000000T0000Z-071018T0730Z/
OREGON MO-
150 AM CDT THU OCT 18 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM CDT FOR OREGON
COUNTY...

AT 148 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 8 MILES
SOUTHEAST OF ROVER...OR 8 MILES NORTH OF THAYER...MOVING NORTHEAST AT
55 MPH.

THE TORNADO WILL BE NEAR...
  ALTON BY 155 AM CDT.

THE TOWNS OF GREER AND WILDERNESS ARE IN THE PATH OF THIS TORNADO.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING
DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 70 MPH.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 AM CDT THURSDAY MORNING
FOR SOUTHERN MISSOURI.

LAT...LON 3663 9163 3688 9167 3688 9131 3689 9122
      3684 9121 3684 9112 3680 9109 3659 9112
      3659 9149
TIME...MOT...LOC 0650Z 241DEG 50KT 3666 9150

$$

CRAMER

000 
WWUS53 KSGF 180659
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
159 AM CDT THU OCT 18 2007

MOC149-180730-
/O.CON.KSGF.TO.W.0070.000000T0000Z-071018T0730Z/
OREGON MO-
159 AM CDT THU OCT 18 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM CDT FOR
NORTHEASTERN OREGON COUNTY...

AT 158 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
ALTON...OR 15 MILES NORTHEAST OF THAYER...MOVING NORTHEAST AT 55 MPH.

THE TORNADO WILL REMAIN OVER MAINLY RURAL AREAS OF NORTHEASTERN
OREGON COUNTY.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING
DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 70 MPH.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 AM CDT THURSDAY MORNING
FOR SOUTHERN MISSOURI.

LAT...LON 3672 9147 3688 9146 3688 9131 3689 9122
      3684 9121 3684 9112 3680 9109 3667 9113
      3665 9140
TIME...MOT...LOC 0659Z 236DEG 48KT 3671 9137

$$

CRAMER

000 
WWUS53 KSGF 180714
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
214 AM CDT THU OCT 18 2007

MOC149-180724-
/O.CAN.KSGF.TO.W.0070.000000T0000Z-071018T0730Z/
OREGON MO-
214 AM CDT THU OCT 18 2007

...THE TORNADO WARNING FOR NORTHEASTERN OREGON COUNTY IS CANCELLED...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE TORNADO
THAT PROMPTED THE WARNING IS EXITING THE WARNED AREA...THUS THE
WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 AM CDT THURSDAY MORNING
FOR SOUTHERN MISSOURI.

LAT...LON 3672 9147 3688 9146 3688 9131 3689 9122
      3684 9121 3684 9112 3680 9109 3667 9113
      3665 9140
TIME...MOT...LOC 0714Z 236DEG 48KT 3682 9116

$$

LINDENBERG

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 17, 8:49 PM CDT	Severe Thunderstorm Warning	SGF	Jasper, McDonald, Newton	56 min
Oct 17, 9:34 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Cedar, Dade, Jasper, St. Clair, Vernon	56 min
Oct 17, 9:38 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Jasper, Lawrence, McDonald, Newton	67 min
Oct 17, 9:49 PM CDT	Severe Thunderstorm Warning	SGF	Oregon	42 min
Oct 17, 9:57 PM CDT	Severe Thunderstorm Warning	SGF	Benton, Hickory, Polk, St. Clair	63 min
Oct 17, 10:05 PM CDT	Severe Thunderstorm Warning	SGF	Greene	70 min
Oct 17, 10:12 PM CDT	Severe Thunderstorm Warning	SGF	Christian	33 min
Oct 17, 10:21 PM CDT	Severe Thunderstorm Warning	SGF	Ozark	54 min
Oct 17, 10:40 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Stone, Taney	70 min
Oct 17, 10:50 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Webster	55 min
Oct 17, 10:52 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Howell	53 min
Oct 17, 11:19 PM CDT	Severe Thunderstorm Warning	SGF	Laclede, Wright	43 min
Oct 17, 11:22 PM CDT	Severe Thunderstorm Warning	SGF	Shannon, Texas	53 min
Oct 17, 11:40 PM CDT	Severe Thunderstorm Warning	SGF	Pulaski, Texas	55 min
Oct 17, 11:44 PM CDT	Severe Thunderstorm Warning	SGF	Dent	76 min
Oct 18, 12:05 AM CDT	Severe Thunderstorm Warning	SGF	Dent, Maries, Phelps	52 min
Oct 18, 12:18 AM CDT	Severe Thunderstorm Warning	SGF	Douglas, Ozark	57 min
Oct 18, 12:49 AM CDT	Severe Thunderstorm Warning	SGF	Howell	51 min
Oct 18, 1:13 AM CDT	Severe Thunderstorm Warning	SGF	Oregon	59 min
Oct 18, 1:47 AM CDT	Severe Thunderstorm Warning	SGF	Shannon	27 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.