Alert archive / Indiana / Tornado Warnings in 1987

Tornado Warning 3, NWS Indianapolis, IN

May 25, 1987Jackson County, Jennings County, Indiana

NWS Indianapolis, IN issued this tornado warning at May 25, 1987, 5:35 PM EST for Jackson County, Jennings County, Indiana. It was in force for 35 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: May 25, 1987, 5:35 PM EST (22:35 UTC)
Expired: May 25, 1987, 6:10 PM EST
In force: 35 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

Counties Jackson County, IN, Jennings 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
May 25, 5:37 PM EST	Tornado F1	Jackson, 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 12:00Z, 10.6 hours before the alert went out and 175 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: 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 252235
TORIND
INC071-079-252310-
 
BULLETIN - EBS ACTIVATION AND IMMEDIATE BROADCAST REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
535 PM EST MON MAY 25 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 610 PM EST FOR THE FOLLOWING COUNTIES OF
 
SOUTH CENTRAL INDIANA... EAST JACKSON
 
SOUTHEAST INDIANA... WEST JENNINGS
                                                                         
A TORNADO WAS SPOTTED BY LOCAL SHERRIEF ONE MILE EAST OF TAMPICO AT 
529 PM EST.  THIS IS ABOUT 40 MILES SOUTH OF COLUMBUS.  THIS TORNADO 
WAS MOVING NORTHEAST AT 30 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.                                            
 
HENDRICKSON

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 5:58 PM EST	Tornado Warning	IND	Bartholomew	32 min
May 25, 6:19 PM EST	Tornado Warning	IND	Decatur, Shelby	41 min
May 25, 6:39 PM EST	Tornado Warning	IND	Rush	41 min

Nearby

Tornado Warnings in Indiana, 1987 Every tornado warning in 1987 Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.