Alert archive / Missouri / Tornado Warnings in 2002

Tornado Warning 7, NWS St. Louis, MO

April 27, 2002Montgomery County, Warren County, Missouri

NWS St. Louis, MO issued this tornado warning at Apr 27, 2002, 8:17 PM CDT for Montgomery County, Warren County, Missouri. It was in force for 43 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: Apr 27, 2002, 8:17 PM CDT (01:17 UTC)
Expired: Apr 27, 2002, 9:00 PM CDT
In force: 43 min
Issued by: NWS St. Louis, MO
Area: Counties, with a storm outline in the text

Counties Montgomery County, MO, Warren County, MO

What was reported inside it

Time	Report	Where	Remark
Apr 27, 8:32 PM CDT	Hail 0.75	New Florence, MO	The County Sheriff department reported 3/4 inch hail.

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
Apr 27, 6:30 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.3 hours before the alert went out and 284 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 439 m above ground
0-6 km bulk shear: 79 kt
0-1 km storm-relative helicity: 516 m²/s²
0-3 km storm-relative helicity: 567 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLSX 280117
TORSTL
MOC139-219-280200-

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

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI
  WARREN COUNTY IN EAST CENTRAL MISSOURI

* UNTIL 900 PM CDT

* AT 817 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 13 MILES WEST OF AMERICUS.
  THE THUNDERSTORM WAS MOVING EAST AT 60 MPH...AND MAY PRODUCE A
  TORNADO AT ANY TIME

* LOCATIONS IN THE PATH...
  AMERICUS
  RHINELAND
  BIG SPRING
  MCKITTRICK
  JONESBURG
  HIGH HILL
  WARRENTON
  TRUESDALE

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.

THIS STORM WILL ALSO PRODUCE LARGE DESTRUCTIVE HAIL AND DAMAGING
WINDS IN EXCESS OF 60 MPH.

LAT...LON 3892 9165 3870 9165 3870 9105 3904 9128

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, 8:27 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, 11:30 PM CDT	Tornado Warning	LSX	Reynolds	30 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.