Alert archive / Indiana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 67, NWS Indianapolis, IN

August 24, 1997Vigo County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 24, 1997, 9:15 PM EST for Vigo County, Indiana. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 24, 1997, 9:15 PM EST (02:15 UTC)
Expired
Aug 24, 1997, 9:45 PM EST
In force
30 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Vigo County, IN

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.3 hours before the alert went out and 131 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, Lincoln, IL at 00:00Z on 1997-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1758 joules per kilogram.LCLLFCEL10008507005003002001001 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, Lincoln, IL at 00:00Z on 1997-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 170 square meters per square second.1939587897117Sfc1 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
1758 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
969 m above ground
0-6 km bulk shear
87 kt
0-1 km storm-relative helicity
170 m²/s²
0-3 km storm-relative helicity
349 m²/s²
Significant tornado parameter
2.4
Supercell composite
13.2

Open this sounding in Storm Lab

The text

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

148 
WUUS1 KIND 250216 RRA
SVRIND
INC167-250245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
915 PM EST SUN AUG 24 1997
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  945 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL INDIANA
 
   ...SOUTHERN VIGO COUNTY
 
AT 914 PM DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES WEST OF
TERRE HAUTE MOVING SOUTHEAST AT 40 MPH. THIS STORM WILL MOVE TO NEAR
BLACKHAWK AND LEWIS BY 940 PM.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DONT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
LASHLEY

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, Aug 24, 6:20 PM EST, 2 hours 55 minutes before
INZ070-071-250030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
619 PM EST SUN AUG 24 1997

...STRONG THUNDERSTORMS OVER SOUTH CENTRAL INDIANA...

AT 618 PM DOPPLER RADAR WAS SHOWING A STRONG THUNDERSTORM OVER
NORTHERN LAWRENCE COUNTY...NEAR THE TOWNS OF GUTHRIE AND
BARTLETTSVILLE. THIS STORM WAS MOVING SOUTHEAST AT 30 MPH AND WILL
AFFECT THE BEDORD AREA THROUGH 645 PM.

THIS STORM IS EXPECTED TO MOVE INTO WESTERN JACKSON COUNTY BY 630 PM
AND CONTINUE MOVING SOUTHEAST.

EXPECT STRONG WINDS OF 40 MPH...BRIEF HEAVY RAIN AND SMALL HAIL.
DEADLY LIGHTNING WILL ALSO BE POSSIBLE AS THIS STORM MOVES THROUGH.

LASHLEY
Special weather statement, Aug 24, 6:32 PM EST, 2 hours 43 minutes before
INZ043>045-051>054-060>064-067>071-250030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
632 PM EST SUN AUG 24 1997

...STRONG THUNDERSTORMS CONTINUE OVER WEST CENTRAL AND SOUTH CENTRAL
INDIANA...

AT 630 PM STRONG THUNDERSTORMS CONTINUED TO DEVELOP OVER WEST AND
SOUTH CENTRAL INDIANA. THESE STORMS WERE SOUTH AND WEST OF A LINE
FROM COVINGTON TO COLUMBUS TO MADISON AND WERE MOVING SOUTHEAST AT
30 MPH. SOME CITIES TO BE AFFECTED BY THESE STORMS INCLUDE
GREENCASTLE...TERRE HAUTE...SULLIVAN...BLOOMINGTON...BEDFORD AND
BROWNSTOWN.

EXPECT BRIEF HEAVY RAINFALL OF UP TO AN INCH...STRONG WINDS OF 30 TO
40 MPH...SMALL HAIL AND DEADLY LIGHTNING AS THESE STORMS MOVE
THROUGH. YOU SHOULD MOVE INDOORS AS THESE STORMS APPROACH AND STAY
AWAY FROM WINDOWS.

LASHLEY
Special weather statement, Aug 24, 6:33 PM EST, 2 hours 42 minutes before
INZ043>045-051>054-060>064-067>071-250030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
632 PM EST SUN AUG 24 1997

...STRONG THUNDERSTORMS CONTINUE OVER WEST CENTRAL AND SOUTH CENTRAL
INDIANA...

AT 630 PM STRONG THUNDERSTORMS CONTINUED TO DEVELOP OVER WEST AND
SOUTH CENTRAL INDIANA. THESE STORMS WERE SOUTH AND WEST OF A LINE
FROM COVINGTON TO COLUMBUS TO MADISON AND WERE MOVING SOUTHEAST AT
30 MPH. SOME CITIES TO BE AFFECTED BY THESE STORMS INCLUDE
GREENCASTLE...TERRE HAUTE...SULLIVAN...BLOOMINGTON...BEDFORD AND
BROWNSTOWN.

EXPECT BRIEF HEAVY RAINFALL OF UP TO AN INCH...STRONG WINDS OF 30 TO
40 MPH...SMALL HAIL AND DEADLY LIGHTNING AS THESE STORMS MOVE
THROUGH. YOU SHOULD MOVE INDOORS AS THESE STORMS APPROACH AND STAY
AWAY FROM WINDOWS.

LASHLEY
Local storm report, Aug 24, 8:23 PM EST, 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
823 PM EST SUN AUG 24 1997

TIME(EST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0721 PM    3 E MARTINSVILLE          IN   1.75 INCH HAIL
08/24/97   MORGAN

0721 PM    2 N MARTINSVILLE          IN   1.75 INCH HAIL
08/24/97   MORGAN

0730 PM    TRAFALGAR                 IN   2.75 INCH HAIL
08/24/97   JOHNSON

0730 PM    MORGANTOWN                IN   2.00 INCH HAIL
08/24/97   MORGAN

LASHLEY
Special weather statement, Aug 24, 9:04 PM EST, 11 minutes before
INZ051-052-060-061-069-070-250300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
904 PM EST SUN AUG 24 1997

...THUNDERSTORMS WERE OVER WEST CENTRAL INDIANA...

STRONG STORMS WERE NEAR WORTHINGTON...25 MILES WEST OF BLOOMINGTON.
THEY WERE MOVING SOUTHEAST 45 MPH AND SHOULD BE JUST WEST OF BEDFORD
BETWEEN 930 AND 1000 PM.

OTHER STORMS WERE 15 MILES WEST OF TERRE HAUTE AND MOVING SOUTHEAST.
THEY SHOULD BE NEAR JASONVILLE BETWEEN 930 AND 1000 PM.

THUNDERSTORMS WILL HAVE DANGEROUS LIGHTNING AND BRIEF HEAVY RAINFALL.
HAIL IS POSSIBLE.

DS
Special weather statement, Aug 24, 9:05 PM EST, 10 minutes before
INZ051-052-060-061-069-070-250300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
904 PM EST SUN AUG 24 1997

...THUNDERSTORMS WERE OVER WEST CENTRAL INDIANA...

STRONG STORMS WERE NEAR WORTHINGTON...25 MILES WEST OF BLOOMINGTON.
THEY WERE MOVING SOUTHEAST 45 MPH AND SHOULD BE JUST WEST OF BEDFORD
BETWEEN 930 AND 1000 PM.

OTHER STORMS WERE 15 MILES WEST OF TERRE HAUTE AND MOVING SOUTHEAST.
THEY SHOULD BE NEAR JASONVILLE BETWhEEN 930 AND 1000 PM.

THUNDERSTORMS WILL HAVE DANGEROUS LIGHTNING AND BRIEF HEAVY RAINFALL.
HAIL IS POSSIBLE.

DS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 7:14 PM ESTSevere Thunderstorm WarningINDMorgan31 min
Aug 24, 7:25 PM ESTSevere Thunderstorm WarningINDBartholomew, Brown, Johnson50 min
Aug 25, 12:50 AM ESTSevere Thunderstorm WarningINDDaviess30 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; the sounding from the Mesonet's radiosonde archive.