Alert archive / Indiana / Tornado Warnings in 1987

Tornado Warning 7, NWS Indianapolis, IN

May 25, 1987Hancock County, Shelby County, Indiana

NWS Indianapolis, IN issued this tornado warning at May 25, 1987, 7:16 PM EST for Hancock County, Shelby County, Indiana. It was in force for 29 min.

The area

The counties it named.

The facts

Issued
May 25, 1987, 7:16 PM EST (00:16 UTC)
Expired
May 25, 1987, 7:45 PM EST
In force
29 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Hancock County, IN, Shelby 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 00:00Z, 0.3 hours before the alert went out and 138 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 00:00Z on 1987-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 487 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 00:00Z on 1987-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
487 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
1013 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
75 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 260016
TORIND
INC059-145-260045-
 
BULLETIN - EBS ACTIVATION AND IMMEDIATE BROADCAST REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
716 PM EST MON MAY 25 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 745 PM EST FOR THE FOLLOWING COUNTIES OF
 
CENTRAL INDIANA... EAST HANCOCK... NORTH SHELBY
                                                                         
AT 710 PM EST...RADAR SHOWED A POSSIBLE TORNADO 8 MILES NORTHWEST OF  
SHELBYVILLE...15 MILES SOUTHEAST OF DOWNTOWN INDIANAPOLIS. THE  
STORM WAS MOVING NORTHEAST 20 MPH. 
                                                                         
IF YOU ARE IN A CAR OR MOBILE HOME...LEAVE AT ONCE FOR A BUILDING        
WHERE SHELTER CAN BE SOUGHT IN A BASEMENT OR INTERIOR PART OF THE        
LOWEST FLOOR.  IF NO STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH       
OR LOW SPOT.                                                             
                                                                         
REPORT SEVERE WEATHER TO YOUR NEAREST LAW ENFORCEMENT AGENCY OR          
THE NATIONAL WEATHER SERVICE.                  Z                          
 
DS

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 25, 1:51 PM EST, 5 hours 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
150 PM EST MON MAY 25 1987

AT 140 PM EST...SCATTERED SHOWERS AND THUNDERSTORMS WERE RAPIDLY
DEVELOPING OVER THE SOUTHERN THIRD OF INDIANA...WHILE SHOWERS
COVERED PARTS OF NORTHERN INDIANA.

ONE AREA OF SHOWERS AND THUNDERSTORMS EXTENDED FROM BLOOMINGTON TO
TO BEDFORD AND SOUTHEAST TO LOUISVILLE...WHILE A SECOND AREA EXTENDED
FROM ABOUT 30 MILES SOUTHWEST OF TERRE HAUTE TO ABOUT 60 MILES
NORTHWEST OF EVANSVILLE.

THE STRONGEST THUNDERSTORMS WERE LOCATED NEAR BLOOMINGTON...BEDFORD
AND ABOUT 20 MILES NORTH OF LOUSIVILLE.

OTHER LIGHT RAINSHOWERS EXTENDED FROM SOUTH BEND TO FORT WAYNE AND
THEN WEST TO GRISSOM AFB.
Q
BRIEF GUSTY WINDS..HEAVY RAINFALL AND VIVID LIGHTNING WILL ACCOMPANY
SOME OF THE STRONGER THUNDERSTORMS.

THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE NORTH AT 25 MILES AN
HOUR.
PRZYBYLINSKI

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.