Alert archive / Indiana / Tornado Warnings in 1987

Tornado Warning 13, NWS Indianapolis, IN

July 6, 1987Newton County, Indiana

NWS Indianapolis, IN issued this tornado warning at Jul 6, 1987, 6:18 PM CDT for Newton County, Indiana. It was in force for 42 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
Jul 6, 1987, 6:18 PM CDT (23:18 UTC)
Expired
Jul 6, 1987, 7:00 PM CDT
In force
42 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Newton 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
Jul 6, 6:22 PM CDTHail 1.75Newton, 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

Peoria Regional, IL (KPIA), launched 12:00Z, 11.3 hours before the alert went out and 188 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, Peoria Regional, IL at 12:00Z on 1987-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peoria Regional, IL at 12:00Z on 1987-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
86 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 062317
TORIND
INC111-070000-
 
BULLETIN - EBS ACTIVATION AND IMMEDIATE BROADCAST REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
618 PM EST MON JUL 6 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 700 PM EST FOR THE FOLLOWING COUNTY OF
 
NORTHWEST INDIANA... NEWTON
 
AT 610 PM EST...A TORNADO WAS REPORTED JUST EAST  OF MOROCCO EAST OF
SR 14.....OR 40 MILES NORTHWEST OF LAFAYETTE. THE STORM WAS MOVING
TOWARD MT AYR.
 
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.
 
IF YOU ARE IN A HOUSE OR SMALL BUILDING...GO TO THE BASEMENT OR
INTERIOR PART OF THE LOWEST FLOOR.  STAY AWAY FROM EXTERIOR WALLS
AND WINDOWS.  GET UNDER SOMETHING STURDY AND PROTECT YOUR HEAD
FROM FLYING DEBRIS.
 
DS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 5:06 AM CDTFlash Flood WarningINDClay, Vigo2 hr
Jul 6, 5:06 AM CDTFlash Flood WarningINDOwen, Putnam2 hr
Jul 6, 2:10 PM CDTSevere Thunderstorm WarningINDLawrence40 min
Jul 6, 2:44 PM CDTSevere Thunderstorm WarningINDGibson, Knox61 min
Jul 6, 3:06 PM CDTSevere Thunderstorm WarningINDPike, Vanderburgh, Warrick39 min
Jul 6, 3:10 PM CDTFlash Flood WarningINDGreene2 hr
Jul 6, 3:15 PM CDTSevere Thunderstorm WarningINDGreene, Lawrence35 min
Jul 6, 3:47 PM CDTSevere Thunderstorm WarningINDDubois28 min
Jul 6, 5:12 PM CDTSevere Thunderstorm WarningINDMontgomery, Tippecanoe38 min
Jul 6, 6:39 PM CDTSevere Thunderstorm WarningINDJasper31 min
Jul 6, 6:46 PM CDTSevere Thunderstorm WarningINDWhite34 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.