Alert archive / Indiana / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 201, NWS Indianapolis, IN

July 10, 1993Montgomery County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 10, 1993, 10:34 PM EST for Montgomery County, Indiana. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Jul 10, 1993, 10:34 PM EST (03:34 UTC)
Expired
Jul 10, 1993, 11:15 PM EST
In force
41 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Montgomery County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 3.6 hours before the alert went out and 230 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 1993-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1533 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, Dayton/James M C, OH at 00:00Z on 1993-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 156 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
1533 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
1014 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
156 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
0.9
Supercell composite
6.9

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KIND 110336 RRA
SVRIND
INC107-110415-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1034 PM EST SAT JUL 10 1993
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN WEST CENTRAL INDIANA
 
   ...MONTGOMERY COUNTY
 
AT 1030 PM...A SEVERE THUNDERSTORM WAS 10 MILES NORTHWEST OF
CRAWFORDSVILLE. THE STORM WILL MOVE OVER CRAWFORDSVILLE BY 1100 PM. THE
STORM WILL PRODUCE DAMAGING WINDS OF AROUND 60 MILES PER HOUR.
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DO NOT USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
 
DS

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 10, 6:44 PM EST, 3 hours 50 minutes before
INZ001-004-110045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
642 PM EST SAT JUL 10 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 11 PM EST FOR EXTREME
NORTHWEST INDIANA...

AT 635 PM EST RADAR SHOWED THUNDERSTORMS HAD DEVELOPED IN NORTHWEST
INDIANA NEAR MOROCCO AND BROOK...WHICH ARE ABOUT 40 MILES NORTHWEST OF
LAFAYETTE.  THESE STORMS CONTAINED HEAVY RAIN AND GUSTY WINDS.  THE
STORMS WERE MOVING NORTHEAST AT 30 MPH.

OTHER STRONGER STORMS WERE IN ILLINOIS...ABOUT 45 MILES WEST OF
LAFAYETTE.  THESE STORMS WILL BEGIN TO MOVE INTO NORTHWEST INDIANA
BETWEEN 7 AND 730 PM EST NEAR FREELAND PARK...35 MILES NORTHWEST OF
LAFAYETTE.

PERSONS IN EXTREME NORTHWEST INDIANA SHOULD REMAIN ALERT TO THE
POSSIBILITY OF SEVERE THUNDERSTORMS THIS EVENING...AND BE PREPARED TO
SEEK SHELTER WHEN THUNDERSTORMS APPROACH.

ELSON
Special weather statement, Jul 10, 7:40 PM EST, 2 hours 54 minutes before
INZ001-004-110145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
740 PM EST SAT JUL 10 1993

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR EXTREME NORTHWEST
INDIANA UNTIL 11 PM EST...

AT 735 PM EST RADAR SHOWED A FEW THUNDERSTORMS WERE OVER NORTHWEST
INDIANA...BUT THE STRONGEST STORMS WERE ACROSS THE BORDER IN ILLINOIS.
THE STRONGEST STORMS WERE JUST ACROSS THE BORDER...ABOUT 40 MILES WEST
OF LAFAYETTE.  THESE STORMS WERE MOVING NORTHEAST AT 20 MPH.

PEOPLE IN KENTLAND...EARL PARK...AND FREELAND PARK...FROM 35 TO 40 MILES
NORTHWEST OF LAFAYETTE...CAN EXPECT HEAVY RAIN...GUSTY WINDS AND SMALL
HAIL AS THESE STORMS MOVE IN AFTER 8 PM.

PEOPLE IN NORTHWEST INDIANA SHOULD REMAIN ALERT TO THE POSSIBILITY OF
SEVERE WEATHER THIS EVENING...AND BE PREPARED TO TAKE COVER IF SEVERE
WEATHER THREATENS.

ELSON
Special weather statement, Jul 10, 7:43 PM EST, 2 hours 51 minutes before
INZ001-004-110145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
740 PM EST SAT JUL 10 1993

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR EXTREME NORTHWEST
INDIANA UNTIL 11 PM EST...

AT 735 PM EST RADAR SHOWED A FEW THUNDERSTORMS WERE OVER NORTHWEST
INDIANA...BUT THE STRONGEST STORMS WERE ACROSS THE BORDER IN ILLINOIS.
THE STRONGEST STORMS WERE JUST ACROSS THE BORDER...ABOUT 40 MILES WEST
OF LAFAYETTE.  THESE STORMS WERE MOVING NORTHEAST AT 20 MPH.

PEOPLE IN KENTLAND...EARL PARK...AND FREELAND PARK...FROM 35 TO 40 MILES
NORTHWEST OF LAFAYETTE...CAN EXPECT HEAVY RAIN...GUSTY WINDS AND SMALL
HAIL AS THESE STORMS MOVE IN AFTER 8 PM.

PEOPLE IN NORTHWEST INDIANA SHOULD REMAIN ALERT TO THE POSSIBILITY OF
SEVERE WEATHER THIS EVENING...AND BE PREPARED TO TAKE COVER IF SEVERE
WEATHER THREATENS.

ELSON
Special weather statement, Jul 10, 8:37 PM EST, 1 hour 57 minutes before
INZ001-004-007-110235-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
835 PM EST SAT JUL 10 1993

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR EXTREME NORTHWEST
INDIANA UNTIL 11 PM EST...

AT 825 PM EST RADAR SHOWED STRONG STORMS OVER NORTHWEST INDIANA. THE
STRONGEST STORMS WERE 20 MILES NORTHWEST OF LAFAYETTE...NEAR
OXFORD...AND 30 MILES WEST OF LAFAYETTE...NEAR TAB. THOSE STORMS
CONTAINED DANGEROUS LIGHTNING...HEAVY RAINFALL AND SMALL HAIL. THE
STORMS WERE MOVING EAST TOWARD OTTERBEIN AND WINTHROP.

AT 815 PM...MARBLE SIZE HAIL AND HEAVY RAIN WERE REPORTED AT BOSWELL.

STORMS WERE WIDELY SCATTERED OVER EAST CENTRAL INDIANA FROM JUST
SOUTHEAST OF ANDERSON  TO NEW CASTLE. THOSE STORMS WERE ALSO MOVING
EAST. THEY HAD DANGEROUS LIGHTNING AND HEAVY RAINFALL.

DS
Special weather statement, Jul 10, 9:55 PM EST, 39 minutes before
INZ001-004-110400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
955 PM EST SAT JUL 10 1993

THE SEVERE THUNDERSTORM WATCH FOR EXTREME NORTHWEST INDIANA HAS BEEN
CANCELLED.  SCATTERED THUNDERSTORMS ARE STILL POSSIBLE TONIGHT IN
EXTREME NORTHWEST INDIANA...BUT ARE NO LONGER EXPECTED TO BECOME
SEVERE.

ELSON
Special weather statement, Jul 10, 9:55 PM EST, 39 minutes before
INZ001-004-110400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
955 PM EST SAT JUL 10 1993

THE SEVERE THUNDERSTORM WATCH FOR EXTREME NORTHWEST INDIANA HAS BEEN
CANCELLED.  SCATTERED THUNDERSTORMS ARE STILL POSSIBLE TONIGHT IN
EXTREME NORTHWEST INDIANA...BUT ARE NO LONGER EXPECTED TO BECOME
SEVERE.

ELSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 2:53 PM ESTSevere Thunderstorm WarningINDFulton21 min
Jul 11, 2:54 PM ESTSevere Thunderstorm WarningINDCass46 min
Jul 11, 4:51 PM ESTSevere Thunderstorm WarningINDMontgomery, Tippecanoe54 min
Jul 11, 5:20 PM ESTSevere Thunderstorm WarningINDMontgomery40 min
Jul 11, 5:21 PM ESTSevere Thunderstorm WarningINDClinton24 min
Jul 11, 5:37 PM ESTSevere Thunderstorm WarningINDBoone68 min
Jul 11, 5:59 PM ESTSevere Thunderstorm WarningINDMontgomery61 min
Jul 11, 6:03 PM ESTSevere Thunderstorm WarningINDHamilton42 min
Jul 11, 6:10 PM ESTSevere Thunderstorm WarningINDParke50 min
Jul 11, 6:11 PM ESTSevere Thunderstorm WarningINDClay34 min
Jul 11, 6:19 PM ESTSevere Thunderstorm WarningINDHendricks41 min
Jul 11, 6:32 PM ESTSevere Thunderstorm WarningINDPutnam43 min
Jul 11, 6:41 PM ESTSevere Thunderstorm WarningINDMarion64 min
Jul 11, 6:51 PM ESTSevere Thunderstorm WarningINDHendricks54 min

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.