Alert archive / Indiana / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 261, NWS Indianapolis, IN

September 2, 1993Fayette County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Sep 2, 1993, 7:55 PM EST for Fayette County, Indiana. It was in force for 23 min.

The area

The counties it named.

The facts

Issued
Sep 2, 1993, 7:55 PM EST (00:55 UTC)
Expired
Sep 2, 1993, 8:18 PM EST
In force
23 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Fayette County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 0.9 hours before the alert went out and 89 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 1993-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2344 joules per kilogram.LCLEL10008507005003002001001 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 1993-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 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
2344 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
672 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
1.0
Supercell composite
6.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 030055 RRA
SVRIND
INC041-161-030130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
755 PM EST THU SEP 2 1993
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...S...
 
IN EAST CENTRAL INDIANA
 
   ...EASTERN FAYETTE COUNTY...UNION COUNTY
 
AT 755 PM EST RADAR INDICATED A SEVERE THUNDERSTORM WAS LOCATED ABOUT 20
MILES SOUTHWEST OF RICHMOND NEAR THE TOWN OF CONNERSVILLE.
 
THIS STORM WAS MOVING EAST AT 35 MILES AND HOUR.  THE TOWNS OF LIBERTY
AND LYONSVILLE ARE IN THE PATH OF THIS STORM.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE .WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
JEH

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, Sep 2, 5:09 PM EST, 2 hours 46 minutes before
INZ008>010-013-022310-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
507 PM EST THU SEP 2 1993

THE SEVERE THUNDERSTORM WATCH FOR PORTIONS OF CENTRAL AND EASTERN
INDIANA IS NO LONGER IN EFFECT NORTH OF A LINE FROM RICHMOND TO 20 MILES
SOUTHEAST OF INDIANAPOLIS. THE SEVERE THUNDERSTORM WATCH REMAINS IN
EFFECT FOR THE REST OF THE WATCH AREA UNTIL 8 PM EST.

AT 506 PM EST WEATHER SERVICE RADAR SHOWED THE LEADING EDGE OF A LINE
OF THUNDERSTORMS EXTENDING FROM CONNERSVILLE THROUGH RUSHVILLE AND TO
SHELBYVILLE. THE LINE OF STORMS WAS MOVING TO THE EAST SOUTHEAST AT 25
MILES AN HOUR.

THE STRONGEST THUNDERSTORMS WILL PRODUCE VERY HEAVY RAINFALL...FREQUENT
LIGHTNING...GUSTY WINDS OF 35 TO 40 MILES AN HOUR AND POSSIBLY SMALL
HAIL.

PEOPLE IN THE WATCH AREA ACROSS EASTERN INDIANA SHOULD REMAIN ALERT TO
THREATENING WEATHER CONDITIONS AND BE PREPARED TO TAKE SHELTER IF A
STORM APPROACHES OR A WARNING IS ISSUED.

AT 506 PM EST WEATHER RADAR ALSO INDICATED A LARGE AREA OF LIGHT TO
MODERATE RAIN COVERING NORTHERN AND CENTRAL INDIANA. THE AREA OF RAIN
WAS MOVING TO THE EAST AT 25 MILES AN HOUR.

TMA
Local storm report, Sep 2, 5:31 PM EST, 2 hours 24 minutes before
LOCAL STORM REPORT SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
530 PM CDT THU SEP 2 1993

  TIME       COUNTY            EVENT

403 PM CDT  JOHNSON/KS    8 TELEPHONE POLES KNOCKED DOWN IN OLATHE.
                          REPORTED BY CWSU METEOROLOGIST.
Special weather statement, Sep 2, 6:30 PM EST, 1 hour 25 minutes before
INZ010-013-030030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
630 PM EST THU SEP 2 1993

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR A SMALL PORTION OF
CENTRAL AND EASTERN INDIANA UNTIL 8 PM EST.

AT 628 PM EST WEATHER SERVICE RADAR SHOWED A LINE OF THUNDERSTORMS
PRODUCING VERY HEAVY RAINFALL EXTENDING FROM 10 MILES SOUTH OF RICHMOND
TO BLOOMINGTON. THE LINE OF STORMS WAS MOVING TO THE EAST SOUTHEAST AT
25 MILES AN HOUR.

AT 625 PM EST RADAR ESTIMATES WERE SHOWING THESE THUNDERSTORMS WERE
PRODUCING 1 TO 2 INCHES OF RAINFALL PER HOUR. SOME MINOR FLOODING MAY
OCCUR ACROSS PORTIONS OF SOUTH CENTRAL AND SOUTHEAST INDIANA AS THESE
STORMS MOVE THROUGH THIS EVENING.

IN ADDITION TO THE VERY HEAVY RAINFALL...THE STRONGEST THUNDERSTORMS WILL
PRODUCE FREQUENT LIGHTNING AND GUSTY WINDS OF 30 TO 40 MILES AN HOUR.
.
PEOPLE IN CENTRAL AND EASTERN INDIANA SHOULD CONTINUE TO REMAIN ALERT
TO THREATENING WEATHER CONDITIONS THIS EVENING AND BE PREPARED TO TAKE
SHELTER IF A STORM APPROACHES OR A WARNING IS ISSUED.

TMA
Special weather statement, Sep 2, 6:30 PM EST, 1 hour 25 minutes before
INZ010-013-030030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
630 PM EST THU SEP 2 1993

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR A SMALL PORTION OF
CENTRAL AND EASTERN INDIANA UNTIL 8 PM EST.

AT 628 PM EST WEATHER SERVICE RADAR SHOWED A LINE OF THUNDERSTORMS
PRODUCING VERY HEAVY RAINFALL EXTENDING FROM 10 MILES SOUTH OF RICHMOND
TO BLOOMINGTON. THE LINE OF STORMS WAS MOVING TO THE EAST SOUTHEAST AT
25 MILES AN HOUR.

AT 625 PM EST RADAR ESTIMATES WERE SHOWING THESE THUNDERSTORMS WERE
PRODUCING 1 TO 2 INCHES OF RAINFALL PER HOUR. SOME MINOR FLOODING MAY
OCCUR ACROSS PORTIONS OF SOUTH CENTRAL AND SOUTHEAST INDIANA AS THESE
STORMS MOVE THROUGH THIS EVENING.

IN ADDITION TO THE VERY HEAVY RAINFALL...THE STRONGEST THUNDERSTORMS WILL
PRODUCE FREQUENT LIGHTNING AND GUSTY WINDS OF 30 TO 40 MILES AN HOUR.
.
PEOPLE IN CENTRAL AND EASTERN INDIANA SHOULD CONTINUE TO REMAIN ALERT
TO THREATENING WEATHER CONDITIONS THIS EVENING AND BE PREPARED TO TAKE
SHELTER IF A STORM APPROACHES OR A WARNING IS ISSUED.

TMA
Special weather statement, Sep 2, 7:10 PM EST, 45 minutes before
INZ010-013-030110-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
710 PM EST THU SEP 2 1993

THE SEVERE THUNDERSTORM WATCH ISSUED EARLIER IS NO LONGER IN EFFECT
FOR ANY PORTION OF INDIANA.

AT 708 PM EST WEATHER SERVICE RADAR SHOWED AN AREA OF SHOWERS AND
THUNDERSTORMS ACROSS MOST OF INDIANA. HOWEVER...THE THREAT FOR SEVERE
WEATHER ACROSS INDIANA THIS EVENING HAS ENDED.

AT 709 PM EST WEATHER RADAR WAS SHOWING THE STRONGEST THUNDERSTORMS
EXTENDING FROM COLUMBUS TO BLOOMINGTON. THESE THUNDERSTORMS WERE
PRODUCING VERY HEAVY RAINFALL AND SOME MINOR FLOODING IS POSSIBLE IN
URBAN AND LOW LYING AREAS ACROSS PORTIONS OF SOUTH CENTRAL INDIANA
THIS EVENING.

GUSTY WINDS OF 30 TO 35 MILES AN HOUR AND FREQUENT LIGHTNING CAN ALSO
BE EXPECTED WITH THESE THUNDERSTORMS.
.
TMA
Special weather statement, Sep 2, 7:10 PM EST, 45 minutes before
INZ010-013-030110-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
710 PM EST THU SEP 2 1993

THE SEVERE THUNDERSTORM WATCH ISSUED EARLIER IS NO LONGER IN EFFECT
FOR ANY PORTION OF INDIANA.

AT 708 PM EST WEATHER SERVICE RADAR SHOWED AN AREA OF SHOWERS AND
THUNDERSTORMS ACROSS MOST OF INDIANA. HOWEVER...THE THREAT FOR SEVERE
WEATHER ACROSS INDIANA THIS EVENING HAS ENDED.

AT 709 PM EST WEATHER RADAR WAS SHOWING THE STRONGEST THUNDERSTORMS
EXTENDING FROM COLUMBUS TO BLOOMINGTON. THESE THUNDERSTORMS WERE
PRODUCING VERY HEAVY RAINFALL AND SOME MINOR FLOODING IS POSSIBLE IN
URBAN AND LOW LYING AREAS ACROSS PORTIONS OF SOUTH CENTRAL INDIANA
THIS EVENING.

GUSTY WINDS OF 30 TO 35 MILES AN HOUR AND FREQUENT LIGHTNING CAN ALSO
BE EXPECTED WITH THESE THUNDERSTORMS.
.
TMA

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 7:55 PM ESTSevere Thunderstorm WarningINDUnion35 min
Sep 3, 5:06 AM ESTFlash Flood WarningINDGreene, Monroe, Owen4 hr

Nearby

Severe Thunderstorm Warnings in Indiana, 1993Every severe thunderstorm warning in 1993

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.