Alert archive / Indiana / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 13, NWS Indianapolis, IN

April 15, 1993Hancock County, Madison County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 15, 1993, 2:16 PM EST for Hancock County, Madison County, Indiana. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Apr 15, 1993, 2:16 PM EST (19:16 UTC)
Expired
Apr 15, 1993, 3:00 PM EST
In force
44 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Hancock County, IN, Madison County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 7.3 hours before the alert went out and 132 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 1993-04-15Temperature 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 1993-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 327 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
1876 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
327 m²/s²
0-3 km storm-relative helicity
369 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 
WUUS1 KIND 151917 RRA
SVRIND
INC059-095-152000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
216 PM EST THU APR 15 1993
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...S...
 
IN CENTRAL INDIANA
 
   ...HANCOCK COUNTY...MADISON COUNTY
 
AT 215 PM EST SEVERE THUNDERSTORMS WERE OVER MARION AND HAMILTON
COUNTIES. THERE HAVE BEEN NUMEROUS REPORTS OF 5O TO 60 MPH WINDS IN BOTH
MARION AND HAMILTON COUNTIES BETWEEN 200 AND 215 PM EST.
 
THE THUNDERSTORMS WERE MOVING NORTHEAST AND WILL MOVE ACROSS THE TOWNS
OF ELWOOD...ANDERSON...AND GREENFIELD.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE 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.
 
SBH

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, Apr 15, 1:52 PM EST, 24 minutes before
INZALL-151950-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
150 PM EST THU APR 15 1992

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 800  PM EST
FOR SOUTHERN AND CENTRAL INDIANA...

AND INCLUDES THAT PART OF INDIANA... SOUTH OF A LINE FROM 10
MILES NORTH OF RENSSELAER TO FORT WAYNE.

SOME CITIES INCLUDED ARE... ANDERSON...BEDFORD...BLOOMINGTON...
RICHMOND...INDIANAPOLIS...EVANSVILLE...MUNCIE...RICHMOND...AND
NEW ALBANY.

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.
SBH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 1:54 PM ESTSevere Thunderstorm WarningINDMarion36 min
Apr 15, 2:12 PM ESTSevere Thunderstorm WarningINDHamilton33 min
Apr 15, 2:54 PM ESTSevere Thunderstorm WarningINDDelaware51 min
Apr 15, 3:56 PM ESTSevere Thunderstorm WarningINDBartholomew34 min
Apr 15, 4:12 PM ESTSevere Thunderstorm WarningINDShelby48 min
Apr 15, 4:29 PM ESTSevere Thunderstorm WarningINDRush31 min
Apr 15, 4:40 PM ESTSevere Thunderstorm WarningINDHenry35 min
Apr 15, 4:54 PM ESTSevere Thunderstorm WarningINDWayne36 min
Apr 15, 5:09 PM ESTSevere Thunderstorm WarningINDRandolph36 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.