Alert archive / Indiana / Tornado Warnings in 2002

Tornado Warning 9, NWS Paducah, KY

April 21, 2002Posey County, Indiana

NWS Paducah, KY issued this tornado warning at Apr 21, 2002, 4:54 PM CDT for Posey County, Indiana. It was in force for 51 min. 3 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
Apr 21, 2002, 4:54 PM CDT (21:54 UTC)
Expired
Apr 21, 2002, 5:45 PM CDT
In force
51 min
Issued by
NWS Paducah, KY
Area
Counties, with a storm outline in the text

County Posey County, IN

What was reported inside it

TimeReportWhereRemark
Apr 21, 5:01 PM CDTThunderstorm Wind 50 EMt Vernon, INShingles were blown off a house.
Apr 21, 5:10 PM CDTThunderstorm Wind 50 EUpton, INTrees were down in the western end of the county.
Apr 21, 5:35 PM CDTHail 1.75Mt Vernon, IN

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.

IssuedProductOfficeLasted
Apr 21, 12:45 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.9 hours before the alert went out and 240 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-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2002-04-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2002-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 504 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer LCL
417 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
504 m²/s²
0-3 km storm-relative helicity
540 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KPAH 212154
TORPAH
INC129-212245-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
453 PM CDT SUN APR 21 2002

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* TORNADO WARNING FOR...
  POSEY COUNTY IN SOUTHWEST INDIANA

* UNTIL 545 PM CDT

* AT 450 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 10 MILES WEST OF MOUNT
  VERNON...MOVING EAST AT 40 MPH.

* THE TORNADO IS EXPECTED TO BE...
  3 MILES NORTH OF MOUNT VERNON AT 505 PM CDT

* LOCATIONS IN THE WARNING INCLUDE NEW HARMONY

SEEK SHELTER NOW

MOVE INTO A BASEMENT...OR INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. ABANDON MOBILE HOMES AND VEHICLES.

REPORT SEVERE WEATHER OR ANY STORM DAMAGE TO YOUR LOCAL LAW
ENFORCEMENT...FOR RELAY TO THE NATIONAL WEATHER SERVICE. STAY TUNED
FOR LATER STATEMENTS.

LAT...LON 3816 8799 3791 8805 3792 8774 3816 8772

The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 21, 4:53 PM CDTSevere Thunderstorm WarningPAHGibson, Pike, Warrick22 min
Apr 21, 5:17 PM CDTSevere Thunderstorm WarningPAHVanderburgh28 min
Apr 21, 5:29 PM CDTTornado WarningPAHSpencer31 min
Apr 21, 5:39 PM CDTSevere Thunderstorm WarningPAHWarrick36 min
Apr 21, 5:54 PM CDTFlash Flood WarningPAHPosey, Vanderburgh, Warrick4 hr
Apr 21, 6:05 PM CDTSevere Thunderstorm WarningPAHSpencer40 min

Nearby

Tornado Warnings in Indiana, 2002Every tornado warning in 2002Tornadoes 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.