Alert archive / Missouri / Tornado Warnings in 2002

Tornado Warning 6, NWS Springfield, MO

August 12, 2002Douglas County, Ozark County, Missouri

NWS Springfield, MO issued this tornado warning at Aug 12, 2002, 10:14 PM CDT for Douglas County, Ozark County, Missouri. It was in force for 61 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 12, 2002, 10:14 PM CDT (03:14 UTC)
Expired: Aug 12, 2002, 11:15 PM CDT
In force: 61 min
Issued by: NWS Springfield, MO
Area: Counties, with a storm outline in the text

Counties Douglas County, MO, Ozark County, MO

The radar

The Springfield radar (KSGF), 97 km from the middle of the area, began a volume at 03:16 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
Aug 12, 10:35 PM CDT	Tornado F1	Wasola, MO
Aug 12, 10:45 PM CDT	Thunderstorm Wind 50 E	Noble, MO

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 3.2 hours before the alert went out and 121 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: 732 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 1456 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 105 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

125 
WFUS53 KSGF 130314
TORSGF
MOC067-153-130415-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1013 PM CDT MON AUG 12 2002

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN OZARK COUNTY IN SOUTHWEST MISSOURI
  SOUTHEASTERN DOUGLAS COUNTY IN SOUTHWEST MISSOURI

* UNTIL 1115 PM CDT

* AT 1011 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A STRONG LIKELIHOOD OF PRODUCING A
  TORNADO 12 MILES SOUTHEAST OF AVA...MOVING EAST AT 20 MPH.

* THE TORNADO WILL TRACK ALONG THE DOUGLAS AND OZARK COUNTY LINE.

THE TOWNS OF WASOLA...NOBLE...SQUIRES...ROCKBRIDGE AND BRIXEY ARE
ALSO IN THE PATH OF THIS TORNADIC STORM.

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR THE SAME AREA. GO TO A BASEMENT OR SMALL INTERIOR
ROOM ON THE LOWEST FLOOR

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 3685 9267 3670 9264 3671 9213 3690 9212

BOOKBINDER

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 12, 7:23 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Laclede, Webster	52 min
Aug 12, 8:15 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Webster, Wright	60 min
Aug 12, 9:15 PM CDT	Severe Thunderstorm Warning	SGF	Douglas	60 min
Aug 12, 9:58 PM CDT	Severe Thunderstorm Warning	SGF	Ozark	62 min
Aug 12, 10:03 PM CDT	Flash Flood Warning	SGF	Douglas, Webster, Wright	6 hr
Aug 12, 11:30 PM CDT	Flash Flood Warning	SGF	Douglas, Ozark	5 hr
Aug 13, 6:15 AM CDT	Severe Thunderstorm Warning	SGF	Morgan	45 min
Aug 13, 11:59 AM CDT	Severe Thunderstorm Warning	SGF	Taney	31 min
Aug 13, 12:39 PM CDT	Flash Flood Warning	SGF	Douglas, Howell, Oregon, Ozark, Shannon	6 hr

Nearby

Tornado Warnings in Missouri, 2002 Every tornado warning in 2002 Tornadoes in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.