Alert archive / Indiana / Tornado Warnings in 1987

Tornado Warning 6, NWS Indianapolis, IN

May 25, 1987Rush County, Indiana

NWS Indianapolis, IN issued this tornado warning at May 25, 1987, 6:39 PM EST for Rush County, Indiana. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
May 25, 1987, 6:39 PM EST (23:39 UTC)
Expired
May 25, 1987, 7:20 PM EST
In force
41 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Rush 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

Dayton/James M C, OH (KDAY), launched 12:00Z, 11.7 hours before the alert went out and 113 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, Dayton/James M C, OH at 12:00Z on 1987-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 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, Dayton/James M C, OH at 12:00Z on 1987-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 square meters per square second.1939Sfc1 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
25 J/kg
Mixed-layer CIN
-119 J/kg
Mixed-layer LCL
613 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
72 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 
TTAA00 KIND 252339
TORIND
INC139-260020-
 
BULLETIN - EBS ACTIVATION AND IMMEDIATE BROADCAST REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
639 PM EST MON MAY 25 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 720 PM EST FOR THE FOLLOWING COUNTY OF
 
CENTRAL INDIANA... RUSH
                                                                         
AT 635 PM EST RADAR INDICATED THAT A POSSIBLE TORNADO WAS ABOUT 
10 MILES WEST OF RUSHVILLE OR ABOUT 40 MILES EAST OF INDIANAPOLIS. 
 
THIS TORNADO WAS MOVING NORTHEAST AT 20 MPH. 
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR
LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
 
REPORT SEVERE 3WEATHER TO YOUR NEAREST LAW ENFORCEMENT AGENCY OR
THE NATIONAL WEATHER SERVICE.
 
HENDRICKSON

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 5:35 PM ESTTornado WarningINDJackson, Jennings35 min
May 25, 5:58 PM ESTTornado WarningINDBartholomew32 min
May 25, 6:19 PM ESTTornado WarningINDDecatur, Shelby41 min

Nearby

Tornado Warnings in Indiana, 1987Every tornado warning in 1987Tornadoes in 1987

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.