Alert archive / Indiana / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 49, NWS Indianapolis, IN

June 4, 1993Morgan County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 4, 1993, 8:12 AM EST for Morgan County, Indiana. It was in force for 33 min.

The area

The counties it named.

The facts

Issued
Jun 4, 1993, 8:12 AM EST (13:12 UTC)
Expired
Jun 4, 1993, 8:45 AM EST
In force
33 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Morgan County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 1.2 hours before the alert went out and 198 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 12:00Z on 1993-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1993-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
665 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
248 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 041312 RRA
SVRIND
INC109-041345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
812 AM EST FRI JUN 4 1993
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  845 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN CENTRAL INDIANA
 
   ...MORGAN COUNTY
 
AT 810 AM WEATHER RADAR INDICATED SEVERE THUNDERSTORMS OVER WESTERN
MORGAN COUNTY. THESE STORMS WERE MOVING EAST AT 40 MPH AND WILL MOVE TO
THE CITIES OF MARTINSVILLE AND MOORESVILLE BY 825 AM EST. PEOPLE IN
MORGAN COUNTY SHOULD BE ALERT FOR LARGE HAIL...DAMAGING WINDS AND HEAVY
RAINS.
RPG
 
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
 
 
&

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, Jun 4, 6:40 AM EST, 1 hour 32 minutes before
INZALL-041800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
640 AM EST FRI JUN 4 1993

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 100  PM EST
FOR THE SOUTHERN QUARTER OF INDIANA
AND INCLUDES THAT PART OF INDIANA... SOUTH OF A LINE FROM
VINCENNES TO 15 MILES SOUTHWEST OF CINCINNATI OHIO.

SOME CITIES INCLUDED ARE... MADISON...WASHINGTON...JASPER...
FRENCH LICK AND EVANSVILLE.

REMEMBER...A WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE
WEATHER IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD
BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR
LATER STATEMENTS AND POSSIBLE WARNINGS.

JEH
Special weather statement, Jun 4, 6:41 AM EST, 1 hour 31 minutes before
INZALL-041800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
640 AM EST FRI JUN 4 1993

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 100  PM EST
FOR THE SOUTHERN QUARTER OF INDIANA
AND INCLUDES THAT PART OF INDIANA... SOUTH OF A LINE FROM
VINCENNES TO 15 MILES SOUTHWEST OF CINCINNATI OHIO.

SOME CITIES INCLUDED ARE... MADISON...WASHINGTON...JASPER...
FRENCH LICK AND EVANSVILLE.

REMEMBER...A WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE
WEATHER IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD
BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR
LATER STATEMENTS AND POSSIBLE WARNINGS.

JEH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 12:23 AM ESTSevere Thunderstorm WarningINDPerry, Spencer37 min
Jun 4, 12:23 AM ESTSevere Thunderstorm WarningINDWarrick37 min
Jun 4, 1:06 AM ESTSevere Thunderstorm WarningINDPerry39 min
Jun 4, 7:01 AM ESTSevere Thunderstorm WarningINDVigo44 min
Jun 4, 7:28 AM ESTSevere Thunderstorm WarningINDClay42 min
Jun 4, 7:53 AM ESTSevere Thunderstorm WarningINDOwen37 min
Jun 4, 8:08 AM ESTTornado WarningINDMonroe52 min
Jun 4, 8:49 AM ESTSevere Thunderstorm WarningINDJohnson, Marion41 min
Jun 4, 8:51 AM ESTSevere Thunderstorm WarningINDClay, Greene39 min
Jun 4, 9:00 AM ESTSevere Thunderstorm WarningINDOwen30 min
Jun 4, 9:19 AM ESTSevere Thunderstorm WarningINDMonroe26 min
Jun 4, 9:39 AM ESTTornado WarningINDMonroe36 min
Jun 4, 11:58 AM ESTSevere Thunderstorm WarningINDPerry47 min
Jun 4, 5:42 PM ESTSevere Thunderstorm WarningINDWhite33 min
Jun 4, 6:46 PM ESTSevere Thunderstorm WarningINDPerry, Spencer29 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.