Alert archive / Indiana / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 129, NWS Indianapolis, IN

July 30, 1992Fayette County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 30, 1992, 2:45 AM EST for Fayette County, Indiana. It was in force for 30 min.

The area

The counties it named.

The facts

Issued: Jul 30, 1992, 2:45 AM EST (07:45 UTC)
Expired: Jul 30, 1992, 3:15 AM EST
In force: 30 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, 7.8 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-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: 252 J/kg
Mixed-layer CIN: -67 J/kg
Mixed-layer LCL: 1093 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 58 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 300746
SVRIND
INC041-300815-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
245 AM EST THU JUL 30 1992
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  315 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN EAST CENTRAL INDIANA
 
   ...SOUTHERN FAYETTE COUNTY
 
AT 240 AM EST RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 25 MILES
SOUTHWEST OF RICHMOND...OR JUST TO THE SOUTHWEST OF CONNERSVILLE.
 
THIS STORM WAS MOVING EAST AT 30 MILES PER HOUR.  THE TOWNS OF ALPINE
AND EVERTON 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.
HENDRICKSON

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 30, 12:48 AM EST, 1 hour 57 minutes before

INZALL-300700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1248 AM EST THU JUL 29 1992

AT 1245 AM A LINE OF THUNDERSTORMS EXTENDED FROM JUST SOUTHEAST OF
LAFAYATTE TO NEAR INDIANAPOLIS.  EVEN THOUGH NO SEVERE WEATHER HAS
BEEN REPORTED WITH THESE STORMS...THERE HAVE BEEN NUMEROUS LIGHTNING
STRIKES IN THE INDIANAPOLIS AREA.

THESE THUNDERSTORMS MAY ALSO CONTAIN BRIEF HEAVY RAINS AND GUSTY WINDS.
THE THUNDERSTORMS WERE MOVING EAST AT 30 MILES PER HOUR.
HENDRICKSON

Special weather statement, Jul 30, 2:21 AM EST, 24 minutes before

INZALL-300700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
218 AM EST THU JUL 29 1992

AT 215 AM A LINE OF THUNDERSTORMS WAS MOVING THROUGH RUSH COUNTY IN
EASTCENTRAL INDIANA. A CITIZEN OF RUSHVILLE REPORTED HAIL...INTENSE
LIGHTNING AND HEAVY RAIN FROM THIS STORM.

AS THESE STORMS MOVE TOWARD THE CONNERSVILLE AREA...MOVE INDOOR
AND AWAY FROM WINDOWS AND DOORS. DONT USE ELECTRICAL APPLIANCE OR
YOUR TELEVISION.

BPRUITT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 30, 2:10 PM EST	Severe Thunderstorm Warning	IND	Hamilton	35 min
Jul 30, 2:21 PM EST	Tornado Warning	IND	Parke, Vigo	39 min
Jul 30, 2:25 PM EST	Severe Thunderstorm Warning	IND	Clay	25 min
Jul 30, 2:50 PM EST	Severe Thunderstorm Warning	IND	Delaware	40 min
Jul 30, 2:56 PM EST	Severe Thunderstorm Warning	IND	Martin	34 min
Jul 30, 3:31 PM EST	Severe Thunderstorm Warning	IND	Lawrence	29 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1992 Every severe thunderstorm warning in 1992

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.