Alert archive / Indiana / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 55, NWS Indianapolis, IN

April 27, 1994Henry County, Madison County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 27, 1994, 1:55 AM EST for Henry County, Madison County, Indiana. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Apr 27, 1994, 1:55 AM EST (06:55 UTC)
Expired
Apr 27, 1994, 2:30 AM EST
In force
35 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Henry County, IN, Madison County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 6.9 hours before the alert went out and 117 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 1994-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 981 joules per kilogram.LCLEL10008507005003002001001 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 1994-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 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
981 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1633 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
178 m²/s²
Significant tornado parameter
0.2
Supercell composite
3.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 270656
SVRIND
INC095-065-270730-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
155 AM EST WED APR 27 1994
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  230 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL INDIANA
 
   ...SOUTHERN MADISON COUNTY
 
IN EAST CENTRAL INDIANA
 
   ...HENRY COUNTY
 
AT 152 AM EST INDIANA STATE POLICE REPORTED STRONG WINDS AT THE
PENDLETON POST...10 MILES SOUTHWEST OF ANDERSON.
 
AT 152 AM EST RADAR INDICATED SEVERE THUNDERSTORMS FROM 10 MILES
SOUTHWEST OF ANDERSON TO 20 MILES SOUTHEAST OF ANDERSON NEAR
CHARLOTTESVILLE. THESE THUNDERSTORMS WERE MOVING EAST AT 50 MPH.
 
PEOPLE IN MARKLEVILLE...KENNARD AND NEW CASTLE SHOULD BE PREPARED FOR A
SEVERE THUNDERSTORM BEFORE 230 AM EST. SEEK SHELTER IN A STRONG BUILDING
AND AWAY FROM WINDOWS.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
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.
 ^
 
ZIMMERMAN
&

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 26, 8:56 PM EST, 4 hours 59 minutes before
INZ010-011-019-020-028-270315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
855 PM EST TUE APR 26 1994

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EST FOR THAT PART OF
INDIANA NORTHWEST OF A LINE FROM DANVILLE ILLINOIS TO ELKHART.

AT 850 PM EST VERY STRONG THUDERSTORMS EXTENDED FROM NEAR THE SOUTHERN
TIP OF LAKE MICHIGAN ACROSS CENTRAL ILLINOIS TO NEAR SAINT LOUIS.  SOME
OF THESE STRONG THUNDERSTORMS WERE LOCATED ABOUT 30 MILES WEST OF
RENSSELAER AND EXTENDED SOUTHWEST TO NEAR SPRINGFIELD ILLINOIS.

AT 835 PM EST THE CHICAGO RADAR INDICATED A POSSIBLE TORNADO ABOUT 35
MILES WEST OF RENSSELAER.  THESE THUNDERSTORMS HAVE ALSO PRODUCED LARGE
HAIL OVER NORTHEAST ILLINOIS.

THESE THUNDERSTORMS WERE MOVING EAST NORTHEAST AT 50 MILES AND HOUR AND
MAY MOVE TO NEAR OR JUST NORTHWEST OF RENSSELAER BY 930 PM EST.  PERSONS
OVER FAR NORTHWEST INDIANA SHOULD BE PREPARED FOR POSSIBLE SEVERE
WEATHER.

ALSO...REMEMBERF...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

HENDRICKSON
Special weather statement, Apr 26, 9:17 PM EST, 4 hours 38 minutes before
INZ010-011-019-020-028-270345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
915 PM EST TUE APR 26 1994

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EST FOR THAT PART OF
INDIANA NORTHWEST OF A LINE FROM DANVILLE ILLINOIS TO ELKHART.

AT 912 PM EST VERY STRONG THUDERSTORMS EXTENDED FROM THE SOUTH SIDE OF
CHICAGO TO ABOUT 30 MILES WEST OF RENSSELAER.  RADAR INDICATED SOME OF
THESE STORMS MAY HAVE PRODUCED SMALL TORNADOES ACROSS NORTHEAST
ILLINOIS.

THE THUNDERSTORMS WERE MOVING EAST NORTHEAST AT ABOUT 50 MILES AN HOUR
AND WILL MOVE INTO THE RENSSELAER AREA BY 945 PM EST.

MEANWHILE ANOTHER CLUSTER OF STRONG THUNDERSTORMS WAS LOCATED OVER EAST
CENTRAL ILLINOIS NEAR CHAMPAIGN.  THESE THUNDERSTORMS WERE MOVING EAST
AT 50 MILES AN HOUR AND WILL MOVE INTO WEST CENTRAL INDIANA JUST TO THE
WEST OF COVINGTON AFTER 1000 PM EST.

PERSONS OVER NORTHWEST AND WEST CENTRAL INDIANA SHOULD BE PREPARED FOR
POSSIBLE SEVERE LWEATHER.

ALSO...REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

HENDRICKSON
Special weather statement, Apr 26, 9:53 PM EST, 4 hours 2 minutes before
INZALL-270800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
950 PM EST TUE APR 26 1993

IN INDIANA A NEW TORNADO WATCH IS IN EFFECT UNTIL 300 AM EST AND
INCLUDES THAT PART OF INDIANA...SOUTH OF A LINE FROM ELKHART TO DANVILLE
ILLINOIS AND NORTH OF A LINE FROM SULLIVAN TO NASHVILLE TO PORTLAND.

SOME CITIES INCLUDED IN THE NEW TORNADO WATCH ARE...FORT WAYNE...KOKOMO...
LAFAYATTE...INDIANAPOLIS AND TERRE HAUTE.

A TORNADO WATCH IS ALSO IN EFFECT NORTH OF A LINE FROM ELKHART TO DANVILLE
ILLINOIS UNTIL MIDNIGHT.

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
Local storm report, Apr 26, 10:48 PM EST, 3 hours 7 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1048 PM EST TUE APR 26 1994

TIME (EST)    COUNTY LOCATION    EVENT

1025 PM       JASPER             SHERIFFS DEPUTY REPORTED 50 TO 60 MPH
  2                               WINDS WEST OF RENSSELAER

1035 PM       JAPSER             PENNY SIZE HAIL AT THE SHERIFFS OFFICE
                                 IN RENSSELAER

DE
Special weather statement, Apr 27, 12:41 AM EST, 1 hour 14 minutes before
INZALL-040800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1240 AM EST WED APR 27 1993

IN INDIANA THIS TORNADO        WATCH IS IN EFFECT  UNTIL 300 AM EST
AND INCLUDES THAT PART OF INDIANA...
SOUTH OF A LINE FROM 10 MILES NORTHWEST OF TERRE HAUTE TO 10 MILES
NORTH OF PORTLAND IN JAY COUNTY. AND NORTH OF A LINE FROM 5 MILES EAST
OF EVANSVILLE TO 15 MILES SOUTH OF LAWRENCEBURG AND EAST OF A LINE
FROM 10 MILES NORTHWEST OF TERRE HAUTE TO 5 MILES EAST OF EVANSVILLE.

SOME CITIES INCLUDED ARE... INDIANAPOLIS...MUNCIE...BLOOMINGTON...
BEDFORD...RICHMOND AND MADISON.

REMEMBER...A WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE
WEATHER IN AND CLOSE TO THE WATCH AREA.6 PERSONS IN THESE AREAS SHOULD
BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR
LATER STATEMENTS AND POSSIBLE WARNINGS.
HAINES
Special weather statement, Apr 27, 1:34 AM EST, 21 minutes before
INZALL-270715-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
132 AM EST WED APR 27 1993

...A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR MARION COUNTY
IN CENTRAL INDIANA UNTIL 2 AM EST...

...A TORNADO WATCH REMAINS IN EFFECT UNTIL 3 AM FOR JUST ABOUT ALL
COUNTIES SOUTH OF A LINE FROM 10 MILES NORTHWEST OF TERRE HAUTE TO 10
MILES NORTH OF PORTLAND IN JAY COUNTY...

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 3 AM EST
SOUTHEAST OF A LINE FROM 10 MILES NORTHWEST OF TERRE HAUTE TO ANGOLA...

AT 130 AM EST...A LINE OF VERY STRONG THUNDERSTORMS CONTINUED MOVING
EAST AT 50 MILES AN HOUR ACROSS CENTRAL INDIANA. THE INDIANAPOLIS
METROPOLITAN AREA WAS RECEIVING DANGEROUS LIGHTNING...TORRENTIAL
RAINFALL AND STRONG WINDS. SO FAR WINDS HAVE GUSTED TO 60 MILES AN
HOUR IN SOUTHERN MARION COUNTY ACCORDING TO AMATEUR RADIO OPERATORS.
.
PEOPLE IN MARION COUNTY SHOULD STAY AWAY FROM WINDOWS UNTIL THESE
DANGEROUS STORMS MOVE THROUGH THE AREA.
STEIGERWALDT

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 9:38 PM ESTSevere Thunderstorm WarningINDJasper, Newton52 min
Apr 26, 10:08 PM ESTSevere Thunderstorm WarningINDLaPorte52 min
Apr 26, 10:31 PM ESTSevere Thunderstorm WarningINDJasper, Newton26 min
Apr 26, 10:44 PM ESTTornado WarningINDJasper20 min
Apr 26, 10:47 PM ESTSevere Thunderstorm WarningINDPulaski, Starke58 min
Apr 26, 11:33 PM ESTSevere Thunderstorm WarningINDFulton, Kosciusko, Marshall57 min
Apr 26, 11:36 PM ESTSevere Thunderstorm WarningINDNewton39 min
Apr 26, 11:41 PM ESTSevere Thunderstorm WarningINDBenton, Warren34 min
Apr 26, 11:47 PM ESTSevere Thunderstorm WarningINDElkhart43 min
Apr 26, 11:52 PM ESTSevere Thunderstorm WarningINDPulaski, Starke48 min
Apr 27, 12:02 AM ESTSevere Thunderstorm WarningINDParke, Vermillion28 min
Apr 27, 12:04 AM ESTSevere Thunderstorm WarningINDTippecanoe26 min
Apr 27, 12:12 AM ESTTornado WarningINDTippecanoe33 min
Apr 27, 12:19 AM ESTSevere Thunderstorm WarningINDCarroll26 min
Apr 27, 12:20 AM ESTSevere Thunderstorm WarningINDDaviess, Knox40 min
Apr 27, 12:36 AM ESTSevere Thunderstorm WarningINDSullivan, Vigo39 min
Apr 27, 12:40 AM ESTSevere Thunderstorm WarningINDClinton35 min
Apr 27, 12:47 AM ESTSevere Thunderstorm WarningINDClay, Greene, Owen28 min
Apr 27, 1:26 AM ESTSevere Thunderstorm WarningINDMarion34 min
Apr 27, 1:41 AM ESTSevere Thunderstorm WarningINDHancock, Shelby34 min
Apr 27, 2:21 AM ESTSevere Thunderstorm WarningINDFayette39 min
Apr 27, 3:31 AM ESTSevere Thunderstorm WarningINDDubois29 min
Apr 27, 4:42 AM ESTSevere Thunderstorm WarningINDGibson, Pike53 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1994Every severe thunderstorm warning in 1994

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.