Alert archive / Indiana / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 90, NWS Indianapolis, IN

June 12, 1994Boone County, Montgomery County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 12, 1994, 12:49 PM EST for Boone County, Montgomery County, Indiana. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Jun 12, 1994, 12:49 PM EST (17:49 UTC)
Expired
Jun 12, 1994, 1:30 PM EST
In force
41 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Boone County, IN, Montgomery County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 5.8 hours before the alert went out and 212 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 1994-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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 12:00Z on 1994-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
5 J/kg
Mixed-layer CIN
-158 J/kg
Mixed-layer LCL
1070 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
-20 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 121753 RRA
SVRIND
INC011-107-091830-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED DATE
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1249 PM EST SUN JUN 12 1994

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  130 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN CENTRAL INDIANA

   ...SOUTHERN BOONE COUNTY

IN WEST CENTRAL INDIANA

   ...SOUTHERN MONTGOMERY COUNTY

AT 12:45 PM WEATHER RADAR INDICATED A SEVERE THUNDERSTORM OVER SOUTHERN
MONTGOMERY COUNTY ABOUT 10 MILES SOUTH OF CRAWFORDSVILLE. THIS STORM IS
MOVING TO THE EAST TO NORTHEAST AROUND 30 MILES AN HOUR.


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 COVERSv THE ROAD.

MES

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 12, 10:57 AM EST, 1 hour 52 minutes before
INZ039>041-047>049-121700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1057 AM EST SUN JUN 12 1994

AT 1055 AM EST A STRONG THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED 15
MILES NORTHEAST OF INDIANAPOLIS...JUST EAST OF NOBLESVILLE. THIS
THUNDERSTORM HAS ALSO PRODUCED SMALL HAIL AND GUSTY WINDS.

THIS THUNDERSTORM WILL MOVE ACROSS ANDERSON TO 10 MILES SOUTH OF MUNCIE
BY 1145 AM. BRIEF HEAVY RAIN...SMALL HAIL AND GUSTY WINDS MAY ALSO
CONTINUE WITH THIS THUNDERSTORM.

PEOPLE IN THE PATH OF THIS THUNDERSTORM SHOULD MOVE INDOORS UNTIL THIS
STORM PASSES.

ZIMMERMAN
Special weather statement, Jun 12, 10:57 AM EST, 1 hour 52 minutes before
INZ039>041-047>049-121700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1057 AM EST SUN JUN 12 1994

AT 1055 AM EST A STRONG THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED 15
MILES NORTHEAST OF INDIANAPOLIS...JUST EAST OF NOBLESVILLE. THIS
THUNDERSTORM HAS ALSO PRODUCED SMALL HAIL AND GUSTY WINDS.

THIS THUNDERSTORM WILL MOVE ACROSS ANDERSON TO 10 MILES SOUTH OF MUNCIE
BY 1145 AM. BRIEF HEAVY RAIN...SMALL HAIL AND GUSTY WINDS MAY ALSO
CONTINUE WITH THIS THUNDERSTORM.

PEOPLE IN THE PATH OF THIS THUNDERSTORM SHOULD MOVE INDOORS UNTIL THIS
STORM PASSES.

ZIMMERMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 1:06 PM ESTSevere Thunderstorm WarningINDHendricks54 min
Jun 12, 2:01 PM ESTSevere Thunderstorm WarningINDHendricks44 min
Jun 12, 2:42 PM ESTSevere Thunderstorm WarningINDMarion48 min
Jun 12, 3:33 PM ESTSevere Thunderstorm WarningINDBrown, Johnson, Morgan42 min
Jun 12, 4:22 PM ESTSevere Thunderstorm WarningINDPutnam53 min
Jun 12, 4:58 PM ESTSevere Thunderstorm WarningINDHendricks, Morgan47 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.