Alert archive / Indiana / Tornado Warnings in 1990

Tornado Warning 9, NWS Louisville, KY

June 2, 1990Orange County, Indiana

NWS Louisville, KY issued this tornado warning at Jun 2, 1990, 7:29 PM EST for Orange County, Indiana. It was in force for 46 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 2, 1990, 7:29 PM EST (00:29 UTC)
Expired: Jun 2, 1990, 8:15 PM EST
In force: 46 min
Issued by: NWS Louisville, KY
Area: Whole counties

County Orange County, IN

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

Time	Report	Where	Remark
Jun 2, 7:54 PM EST	Tornado F1	Orange, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 0.5 hours before the alert went out and 249 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: 1038 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 715 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 188 m²/s²
0-3 km storm-relative helicity: 285 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 6.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSDF 030034
TORSDF
INC117-030115-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
829 PM EDT  JUN 2 1990
 
THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  915 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH INDIANA
          ...NORTHERN ORANGE
 
AT 830 PM EDT WEATHER SERVICE RADAR INDICATED A POSSIBLE TORNADO 50
MILES NORTHWEST OF LOUISVILLE NEAR SHOALS INDIANA IN MARTIN COUNTY.
TORNADO TOUCHDOWNS AND STRUCTURAL DAMAGE HAVE BEEN REPORTED IN MARTIN
COUNTY INDIANA.
 
THE TORNADO WAS MOVING EAST AT 30 MPH AND ITS TRACK WILL TAKE IT INTO
ORLEANS INDIANA AND POSSIBLY FRENCH LICK AND PAOLI BY 900 PM EDT.
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE.  OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.
 
KIRKPATRICK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 2, 8:48 PM EST	Tornado Warning	LMK	Orange	57 min
Jun 2, 9:22 PM EST	Tornado Warning	LMK	Washington	53 min
Jun 2, 9:51 PM EST	Tornado Warning	LMK	Jefferson, Scott	54 min
Jun 2, 10:51 PM EST	Tornado Warning	LMK	Clark, Floyd	54 min
Jun 2, 10:51 PM EST	Tornado Warning	LMK	Crawford, Harrison	54 min

Nearby

Tornado Warnings in Indiana, 1990 Every tornado warning in 1990 Tornadoes in 1990

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.