Alert archive / Indiana / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 39, NWS Indianapolis, IN

May 30, 1993Delaware County, Henry County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 30, 1993, 7:25 PM EST for Delaware County, Henry County, Indiana. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
May 30, 1993, 7:25 PM EST (00:25 UTC)
Expired
May 30, 1993, 8:10 PM EST
In force
45 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Delaware County, IN, Henry County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 0.4 hours before the alert went out and 104 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 1993-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 48 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 1993-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 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
48 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
1405 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
151 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 310026 RRA
SVRIND
INC035-065-310110-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
725 PM EST SUN MAY 30 1993
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  810 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...S...
 
IN EAST CENTRAL INDIANA
 
   ...DELAWARE COUNTY...HENRY COUNTY
 
AT 725 PM EST RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 30 MILES
NORTHEAST OF DOWNTOWN INDIANAPOLIS.
 
THIS THUNDERSTORM IS MOVING EAST AT 30 MILES AN HOUR AND WILL MOVE
ACROSS THE TOWNS OF NEW CASTLE AND MUNCIE BEFORE 800 PM EST.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTlIVE 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
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
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, May 30, 4:25 PM EST, 3 hours before
INZALL-312230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
425 PM EST SUN MAY 30 1993

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM EST FOR
MOST OF INDIANA.

AT 425 PM EST A LINE OF THUNDERSTORMS EXTENDED FROM NEAR SOUTH BEND
TO 20 MILES WEST OF TERRE HAUTE. THE STRONGEST STORMS WERE NEAR
LAFAYETTE. THE LINE OF THUNDERSTORMS WAS MOVING EAST AT 30 MPH.

THUNDERSTORMS WILL MOVE ACROSS THE COMMUNITIES OF LAFAYETTE...
VEEDERSBURG...AND TERRE HAUTE BETWEEN 430 AND 530 PM EST. PEOPLE
IN WESTERN INDIANA SHOULD BE PREPARED FOR STRONG GUSTY WINDS AND BRIEF
HEAVY RAIN.

WHEN THREATENING WEATHER APPROACHES TAKE SHELTER INSIDE A STRONG
BUILDING...AND STAY AWAY FROM WINDOWS.
.
SBH
Special weather statement, May 30, 4:27 PM EST, 2 hours 58 minutes before
INZALL-312230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
425 PM EST SUN MAY 30 1993

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM EST FOR
MOST OF INDIANA.

AT 425 PM EST A LINE OF THUNDERSTORMS EXTENDED FROM NEAR SOUTH BEND
TO 20 MILES WEST OF TERRE HAUTE. THE STRONGEST STORMS WERE NEAR
LAFAYETTE. THE LINE OF THUNDERSTORMS WAS MOVING EAST AT 30 MPH.

THUNDERSTORMS WILL MOVE ACROSS THE COMMUNITIES OF LAFAYETTE...
VEEDERSBURG...AND TERRE HAUTE BETWEEN 430 AND 530 PM EST. PEOPLE
IN WESTERN INDIANA SHOULD BE PREPARED FOR STRONG GUSTY WINDS AND BRIEF
HEAVY RAIN.

WHEN THREATENING WEATHER APPROACHES TAKE SHELTER INSIDE A STRONG
BUILDING...AND STAY AWAY FROM WINDOWS.
.
SBH
Special weather statement, May 30, 5:14 PM EST, 2 hours 11 minutes before
INZALL-302315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
514 PM EST SUN MAY 30 1993

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM EST FOR
MOST OF INDIANA.

A WEATHER OBSERVER AT OTTERBEIN...WHICH IS 12 MILES NORTHWEST OF
LAFAYETTE...REPORTED PEA SIZE HAIL AT 442 PM EST...AND 1.05 INCHES
OF RAIN WITHIN A 20 MINUTE PERIOD.

AT 510 PM EST A LINE OF THUNDERSTORMS EXTENDED FROM LOGANSPORT TO
TERRE HAUTE INDIANA. AS OF 510 PM EST THERE HAD BEEN NO REPORTS
OF SEVERE WEATHER IN CENTRAL INDIANA.

THE THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MPH AND WILL MOVE
ACROSS THE COMMUNITIES OF PERU...FRANFORT...AND GREENCASTLE BETWEEN
BETWEEN 530 AND 630 PM EST.
.
IF SEVERE WEATHER THREATENS TAKE SHELTER IN A STRONG BUILDING...AND
STAY AWAY FROM WINDOWS.

SBH
Special weather statement, May 30, 5:15 PM EST, 2 hours 10 minutes before
INZALL-302315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
514 PM EST SUN MAY 30 1993

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM EST FOR
MOST OF INDIANA.

A WEATHER OBSERVER AT OTTERBEIN...WHICH IS 12 MILES NORTHWEST OF
LAFAYETTE...REPORTED PEA SIZE HAIL AT 442 PM EST...AND 1.05 INCHES
OF RAIN WITHIN A 20 MINUTE PERIOD.

AT 510 PM EST A LINE OF THUNDERSTORMS EXTENDED FROM LOGANSPORT TO
TERRE HAUTE INDIANA. AS OF 510 PM EST THERE HAD BEEN NO REPORTS
OF SEVERE WEATHER IN CENTRAL INDIANA.

THE THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MPH AND WILL MOVE
ACROSS THE COMMUNITIES OF PERU...FRANFORT...AND GREENCASTLE BETWEEN
BETWEEN 530 AND 630 PM EST.
.
IF SfEVERE WEATHER THREATENS TAKE SHELTER IN A STRONG BUILDING...AND
STAY AWAY FROM WINDOWS.

SBH
Special weather statement, May 30, 6:00 PM EST, 1 hour 25 minutes before
INZALL-310005-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
600 PM EST SUN MAY 30 1993

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM EST FOR
MOST OF INDIANA.

AT 555 PM EST A LINE OF THUNDERSTORMS EXTENDED FROM PERU TO 20 MILES
WEST OF MARTINSVILLE. OTHER THUNDERSTORMS WERE SCATTERED FROM MUNCIE
TO COLUMBUS. THE THUNDERSTORMS WERE MOVING EAST AT 30 MPH.

AMATEUR RADIO OPERATORS REPORTED 30 TO 40 MILE AN HOUR WINDS BETWEEN
540 AND 545 PM EST NEAR GREENCASTLE AND IN SHELBY COUNTY. PEA SIZE HAIL
WAS ALSO REPORTED IN SHELBY COUNTY.

PEOPLE IN CENTRAL INDIANA SHOULD BE PREPARED FOR WINDS OF 40 TO 50
MPH...SMALL HAIL...AND BRIEF TORRENTIAL RAINS AS THE THUNDERSTORMS
MOVE THROUGH.
.
IF SEVERE WEATHER THREATENS TAKE SHELTER IN A STRONG BUILDING...AND
STAY AWAY FROM WINDOWS.

REPORT WIND DAMAGE AND LARGE HAIL TO LOCAL LAW ENFORCEMENT AGENCIES
FOR RELAY TO THE NATIONAL WEATHER SERVICE.

SBH
Special weather statement, May 30, 6:01 PM EST, 1 hour 24 minutes before
INZALL-310005-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
600 PM EST SUN MAY 30 1993

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM EST FOR
MOST OF INDIANA.

AT 555 PM EST A LINE OF THUNDERSTORMS EXTENDED FROM PERU TO 20 MILES
WEST OF MARTINSVILLE. OTHER THUNDERSTORMS WERE SCATTERED FROM MUNCIE
TO COLUMBUS. THE THUNDERSTORMS WERE MOVING EAST AT 30 MPH.

AMATEUR RADIO OPERATORS REPORTED 30 TO 40 MILE AN HOUR WINDS BETWEEN
540 AND 545 PM EST NEAR GREENCASTLE AND IN SHELBY COUNTY. PEA SIZE HAIL
WAS ALSO REPORTED IN SHELBY COUNTY.

PEOPLE IN CENTRAL INDIANA SHOULD BE PREPARED FOR WINDS OF 40 TO 50
MPH...SMALL HAIL...AND BRIEF TORRENTIAL RAINS AS THE THUNDERSTORMS
MOVE THROUGH.
.
IF SEVERE WEATHER THREATENS TAKE SHELTER IN A STRONG BUILDING...AND
STAY AWAY FROM WINDOWS.

REPORT WIND DAMAGE AND LARGE HAIL TO LOCAL LAW ENFORCEMENT AGENCIES
FOR RELAY TO THE NATIONAL WEATHER SERVICE.

SBH

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 7:03 PM ESTSevere Thunderstorm WarningINDShelby42 min
May 30, 7:08 PM ESTSevere Thunderstorm WarningINDMadison37 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.