Alert archive / Missouri / Tornado Warnings in 2002

Tornado Warning 9, NWS St. Louis, MO

April 27, 2002Reynolds County, Missouri

NWS St. Louis, MO issued this tornado warning at Apr 27, 2002, 11:30 PM CDT for Reynolds County, Missouri. It was in force for 30 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: Apr 27, 2002, 11:30 PM CDT (04:30 UTC)
Expired: Apr 28, 2002, 12:00 AM CDT
In force: 30 min
Issued by: NWS St. Louis, MO
Area: Counties, with a storm outline in the text

County Reynolds County, MO

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 27, 11:15 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 4.5 hours before the alert went out and 254 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: 1053 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 905 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 256 m²/s²
0-3 km storm-relative helicity: 299 m²/s²
Significant tornado parameter: 2.1
Supercell composite: 9.8

Open this sounding in Storm Lab

The text

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

746 
WFUS53 KLSX 280430
TORSTL
MOC179-280500-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1129 PM CDT SAT APR 27 2002

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN REYNOLDS COUNTY IN SOUTHEAST MISSOURI

* UNTIL MIDNIGHT CDT

* AT 1129 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 11 MILES WEST OF
  ELLINGTON. THE THUNDERSTORM WAS MOVING EAST AT 50 MPH...AND MAY
  PRODUCE A TORNADO AT ANY TIME

* LOCATIONS IN THE PATH...
  ELLINGTON
  REDFORD

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.

LAT...LON 3727 9115 3707 9097 3706 9078 3739 9078

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 7:40 PM CDT	Severe Thunderstorm Warning	LSX		50 min
Apr 27, 7:51 PM CDT	Severe Thunderstorm Warning	LSX		39 min
Apr 27, 8:00 PM CDT	Tornado Warning	LSX	Callaway	45 min
Apr 27, 8:17 PM CDT	Tornado Warning	LSX	Montgomery, Warren	43 min
Apr 27, 8:27 PM CDT	Severe Thunderstorm Warning	LSX		33 min
Apr 27, 9:45 PM CDT	Severe Thunderstorm Warning	LSX		45 min
Apr 27, 10:32 PM CDT	Severe Thunderstorm Warning	LSX		43 min
Apr 27, 11:07 PM CDT	Severe Thunderstorm Warning	LSX		38 min
Apr 27, 11:20 PM CDT	Severe Thunderstorm Warning	LSX		40 min
Apr 27, 11:22 PM CDT	Severe Thunderstorm Warning	LSX		38 min
Apr 27, 11:34 PM CDT	Severe Thunderstorm Warning	LSX		26 min
Apr 27, 11:34 PM CDT	Severe Thunderstorm Warning	LSX		41 min
Apr 27, 11:57 PM CDT	Severe Thunderstorm Warning	LSX		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; the sounding from the Mesonet's radiosonde archive.