Alert archive / Indiana / Tornado Warnings in 1989

Tornado Warning 4, NWS Indianapolis, IN

January 7, 1989Daviess County, Knox County, Indiana

NWS Indianapolis, IN issued this tornado warning at Jan 7, 1989, 6:59 PM EST for Daviess County, Knox County, Indiana. It was in force for 31 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
Jan 7, 1989, 6:59 PM EST (23:59 UTC)
Expired
Jan 7, 1989, 7:30 PM EST
In force
31 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Daviess County, IN, Knox 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

TimeReportWhereRemark
Jan 7, 7:15 PM ESTHail 0.75Daviess, 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

Paducah/Barkley, KY (KPAH), launched 12:00Z, 12.0 hours before the alert went out and 221 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, Paducah/Barkley, KY at 12:00Z on 1989-01-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Paducah/Barkley, KY at 12:00Z on 1989-01-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 202 square meters per square second.1939587897117Sfc1 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
18 J/kg
Mixed-layer CIN
-236 J/kg
Mixed-layer LCL
753 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
202 m²/s²
0-3 km storm-relative helicity
194 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KEVV 072359
TOREVV
INC027-083-080030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE EVANSVILLE IN
659 PM EST SAT JAN 7 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 730 PM EST FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTHWEST PART OF INDIANA
      DAVIESS...KNOX

AT 555 PM CST RADAR INDICATED A TORNADO JUST SOUTH OF VINCENNES
INDIANA. IT WAS MOVING NORTHEAST AT 50 MILES AN HOUR TOWARD PLAINVI
LLE AND ODON IN DAVIESS COUNTY INDIANA.

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. AVO}ID WINDOWS. ABANDON CARS AND MOBILE
HOMES FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 7, 6:08 PM ESTSevere Thunderstorm WarningINDMiami37 min
Jan 7, 6:41 PM ESTTornado WarningINDGibson, Knox34 min

Nearby

Tornado Warnings in Indiana, 1989Every tornado warning in 1989Tornadoes in 1989

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.