Alert archive / Indiana / Tornado Warnings in 1989

Tornado Warning 2, NWS Indianapolis, IN

January 7, 1989Gibson County, Knox County, Indiana; Wabash County, Illinois

NWS Indianapolis, IN issued this tornado warning at Jan 7, 1989, 5:41 PM CST for Gibson County, Knox County, Indiana; Wabash County, Illinois. It was in force for 34 min.

The area

The counties it named.

The facts

Issued
Jan 7, 1989, 5:41 PM CST (23:41 UTC)
Expired
Jan 7, 1989, 6:15 PM CST
In force
34 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Wabash County, IL, Gibson 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.

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 11.7 hours before the alert went out and 184 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 072343
TOREVV
INC051-083-ILC101-185-080015-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 615 PM CST FOR PEOPLE IN THE FOLLOWING
COUNTIES

   IN THE SOUTHWEST PART OF INDIANA
      NORTHWEST GIBSON...SOUTHWEST KNOX...

   IN THE SOUTHEAST PART OF ILLINOIS
      SOUTHEAST LAWRENCE...NORTHEAST WABASH...

AT 525 PM CST A TORNADO WAS REPORTED AT ALLANDALE ILLINOIS IN
WABASH COUNTY. THE TORNADO WAS MOVING NORTHEAST AT 40 TO 50 MILES
AN HOUR IN THE DIRECTION OF LAWRENCEVILLE AND VINCENNES.
IF YOU ARE IN THE PATH OF THIS TORNADO MOVEi 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.

SUMMY

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 7, 5:08 PM CSTSevere Thunderstorm WarningINDMiami37 min
Jan 7, 5:59 PM CSTTornado WarningINDDaviess, Knox31 min
Jan 7, 5:09 PM CSTTornado WarningINDEdwards, White51 min
Jan 7, 5:41 PM CSTTornado WarningINDLawrence34 min

Nearby

Tornado Warnings in Indiana, 1989Tornado Warnings in Illinois, 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; the sounding from the Mesonet's radiosonde archive.