Alert archive / Missouri / Tornado Warnings in 2002

Tornado Warning 23, NWS St. Louis, MO

June 11, 2002Callaway County, Missouri

NWS St. Louis, MO issued this tornado warning at Jun 11, 2002, 5:51 PM CDT for Callaway County, Missouri. It was in force for 39 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: Jun 11, 2002, 5:51 PM CDT (22:51 UTC)
Expired: Jun 11, 2002, 6:30 PM CDT
In force: 39 min
Issued by: NWS St. Louis, MO
Area: Counties, with a storm outline in the text

County Callaway County, MO

What was reported inside it

Time	Report	Where	Remark
Jun 11, 6:30 PM CDT	Thunderstorm Wind 55 E	Fulton, MO	Thunderstorm winds downed some power lines near Route HH.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 11, 5:15 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.9 hours before the alert went out and 281 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: 1092 J/kg
Mixed-layer CIN: -91 J/kg
Mixed-layer LCL: 724 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 139 m²/s²
0-3 km storm-relative helicity: 164 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.5

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLSX 112251
TORSTL
MOC027-112330-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
551 PM CDT TUE JUN 11 2002

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  CALLAWAY COUNTY IN CENTRAL MISSOURI

* UNTIL 630 PM CDT

* AT 551 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 7 MILES WEST OF HATTON.
  THE THUNDERSTORM WAS MOVING EAST AT 25 MPH...AND MAY PRODUCE A
  TORNADO AT ANY TIME

* LOCATIONS IN THE PATH...
  HATTON
  KINGDOM CITY
  AUXVASSE
  FULTON
  WILLIAMSBURG

THIS TORNADO WARNING IS AN UPGRADE TO THE SEVERE THUNDERSTORM WARNING
PREVIOUSLY ISSUED FOR THE WARNED AREA.

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER NOW MOVE TO A
BASEMENT...UNDERGROUND STORM SHELTER...OR AN INTERIOR ROOM OR HALLWAY
ON THE LOWEST LEVEL OF A STURDY BUILDING.

DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS. BE AWARE THAT HIGHWAY
BRIDGES DO NOT PROVIDE ADEQUATE PROTECTION AND CAN ENHANCE THE STRONG
WINDS OF A TORNADO.

LAT...LON 3908 9212 3889 9214 3874 9170 3904 9167

BRITT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 2:20 PM CDT	Severe Thunderstorm Warning	LSX		40 min
Jun 11, 3:00 PM CDT	Severe Thunderstorm Warning	LSX		30 min
Jun 11, 3:37 PM CDT	Severe Thunderstorm Warning	LSX		38 min
Jun 11, 4:06 PM CDT	Severe Thunderstorm Warning	LSX		24 min
Jun 11, 4:10 PM CDT	Severe Thunderstorm Warning	LSX		50 min
Jun 11, 4:24 PM CDT	Severe Thunderstorm Warning	LSX		51 min
Jun 11, 4:44 PM CDT	Severe Thunderstorm Warning	LSX		61 min
Jun 11, 4:55 PM CDT	Severe Thunderstorm Warning	LSX		50 min
Jun 11, 4:57 PM CDT	Severe Thunderstorm Warning	LSX		63 min
Jun 11, 5:33 PM CDT	Severe Thunderstorm Warning	LSX		42 min
Jun 11, 5:44 PM CDT	Severe Thunderstorm Warning	LSX		61 min
Jun 11, 6:27 PM CDT	Tornado Warning	LSX	Callaway, Gasconade, Osage	48 min

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.