Alert archive / Indiana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 43, NWS Indianapolis, IN

July 2, 1997Madison County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 2, 1997, 3:08 PM EST for Madison County, Indiana. It was in force for 37 min. 3 reports 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 2, 1997, 3:08 PM EST (20:08 UTC)
Expired
Jul 2, 1997, 3:45 PM EST
In force
37 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Madison County, IN

What was reported inside it

TimeReportWhereRemark
Jul 2, 3:27 PM ESTHail 2Anderson Muni Arpt, IN
Jul 2, 3:27 PM ESTThunderstorm Wind 60Anderson Jessup Arpt, INDownburst winds from tornadic storm measured at 60 knots by airport anemometer.
Jul 2, 3:40 PM ESTTornado F2Anderson, INThe same supercell that produced the weak tornado in Hamilton county also produced this tornado. This strong tornado initially began as three funnels which merged to one tornadoabout when it touched down on the southwest side of Anderson near exit 22 of Inters

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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 2, 1:00 PM ESTTornado WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.1 hours before the alert went out and 183 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, Cncnati-Daytn, OH at 12:00Z on 1997-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 88 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, Cncnati-Daytn, OH at 12:00Z on 1997-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 square meters per square second.19395878Sfc1 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
88 J/kg
Mixed-layer CIN
-213 J/kg
Mixed-layer LCL
1070 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
154 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KIND 022008 RRA
SVRIND
INC095-022045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
308 PM EST WED JUL 2 1997
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  345 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL INDIANA
 
   ...MADISON COUNTY
 
AT 305 PM WEATHER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES WEST OF
ANDERSON MOVING TO THE EAST AT 35 MILES AN HOUR. LAPEL AND ANDERSON ARE
IN THE PATH OF THIS STORM.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  R4EMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
MES

What forecasters said that day

The local office's own words before this severe thunderstorm 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, Jul 2, 2:52 PM EST, 16 minutes before
INZ004>009-014>018-021>027-029>034-036>042-044>052-054>059-066-
030000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
252 PM EST WED JUL 2 1997

...A TORNADO WATCH CONTINUES UNTIL 700 PM FOR PARTS OF NORTHEAST AND
CENTRAL INDIANA...

...THE TORNADO WATCH IS CANCELLED FOR PARTS OF NORTH CENTRAL AND WEST
CENTRAL INDIANA...

THE TORNADO WATCH REMAINS IN EFFECT EAST OF A LINE FROM ANGOLA TO
TIPTON TO BRAZIL AND NORTH OF A LINE FROM MARTINSVILLE TO BROOKVILLE.
SOME CITIES REMAINING IN THE WATCH ARE FORT WAYNE...MARION...
ANDERSON...INDIANAPOLIS...AND RUSHVILLE.

AT 245 PM WEATHER SERVICE RADAR SHOWED A LINE OF THUNDERSTORM
EXTENDING FROM FORT WAYNE TO JUST NORTHWEST OF INDIANAPOLIS.  THE
STORMS WERE MOVING EAST AT 35 MPH.

REMEMBER...A TORNADO WATCH MEANS THAT TORNADOES ARE POSSIBLE IN
AND NEAR THE WATCH AREA.  LARGE HAIL AND DAMAGING WINDS MAY ALSO
OCCUR.  BE READY TO MOVE TO SHELTER IF A WARNING IS ISSUED FOR YOUR
AREA.

CS/LC
Special weather statement, Jul 2, 2:53 PM EST, 15 minutes before
INZ004>009-014>018-021>027-029>034-036>042-044>052-054>059-066-
030000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
252 PM EST WED JUL 2 1997

...A TORNADO WATCH CONTINUES UNTIL 700 PM FOR PARTS OF NORTHEAST AND
CENTRAL INDIANA...

...THE TORNADO WATCH IS CANCELLED FOR PARTS OF NORTH CENTRAL AND WEST
CENTRAL INDIANA...

THE TORNADO WATCH REMAINS IN EFFECT EAST OF A LINE FROM ANGOLA TO
TIPTON TO BRAZIL AND NORTH OF A LINE FROM MARTINSVILLE TO BROOKVILLE.
SOME CITIES REMAINING IN THE WATCH ARE FORT WAYNE...MARION...
ANDERSON...INDIANAPOLIS...AND RUSHVILLE.

AT 245 PM WEATHER SERVICE RADAR SHOWED A LINE OF THUNDERSTORM
EXTENDING FROM FORT WAYNE TO JUST NORTHWEST OF INDIANAPOLIS.  THE
STORMS WERE MOVING EAST AT 35 MPH.

REMEMBER...A TORNADO WATCH MEANS THAT TORNADOES ARE POSSIBLE IN
AND NEAR THE WATCH AREA.  LARGE HAIL AND DAMAGING WINDS MAY ALSO
OCCUR.  BE READY TO MOVE TO SHELTER IF A WARNING IS ISSUED FOR YOUR
AREA.

CS/LC

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 1:14 PM ESTSevere Thunderstorm WarningINDMiami31 min
Jul 2, 1:50 PM ESTSevere Thunderstorm WarningINDMiami25 min
Jul 2, 3:13 PM ESTTornado WarningINDMadison32 min
Jul 2, 3:34 PM ESTSevere Thunderstorm WarningINDDelaware, Henry41 min
Jul 2, 3:45 PM ESTTornado WarningINDDelaware, Henry, Madison60 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1997Every severe thunderstorm warning in 1997

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.