Alert archive / Indiana / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 5, NWS Indianapolis, IN

April 10, 1992Henry County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 10, 1992, 3:36 PM EST for Henry County, Indiana. It was in force for 34 min.

The area

The counties it named.

The facts

Issued
Apr 10, 1992, 3:36 PM EST (20:36 UTC)
Expired
Apr 10, 1992, 4:10 PM EST
In force
34 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Henry County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 8.6 hours before the alert went out and 102 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 1992-04-10Temperature 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 1992-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
1060 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
173 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 102038
SVRIND
INC065-102130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
336 PM EST FRI APR 10 1992
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN EAST CENTRAL INDIANA
 
   ...SOUTHERN HENRY COUNTY
 
AT 333 PM EST WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM 30
MILES EAST OF INDIANAPOLIS NEAR KNIGHTSTOWN. THIS THUNDERSTORM HAS A
HISTORY OF LARGE HAIL AND WAS MOVING NORTHEAST AT 30 MILES AN HOUR
TOWARD NEW CASTLE.
 
 
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.
PRICE

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 10, 12:28 PM EST, 3 hours 8 minutes before
INZ012-013-101800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1225 PM EST FRI APR 10 1992

VERY STRONG THUNDERSTORMS WERE MOVING THROUGH A PART OF SOUTH CENTRAL
INDIANA AT 1220 PM EST.

THE BAND OF THUNDERSTORMS 5 TO 10 MILES WIDE EXTENDED FROM 10 MILES
SOUTHEAST TO 35 MILES SOUTH OF COLUMBUS.

MOVEMENT WAS EAST AT 35 MILES AN HOUR.

AROUND NOON THE PUBLIC REPORTED MARBLE SIZE HAIL 20 MILES WEST OF
SEYMOUR.

VERY STRONG THUNDERSTORMS WILL BE LOCATED FROM 40 MILES EAST TO 40
MILES SOUTHEAST OF COLUMBUS BY 110 PM EST.

PEOPLE IN THE TOWNS OF SEYMOUR...NORTH VERNON...CROTHERSVILLE...
AND COMMISKEY SHOULD REMAIN INDOORS UNTIL THESE STORMS PASS BY.

BRIEF VERY HEAVY RAIN...FREQUENT LIGHTNING...GUSTY WINDS AND SMALL HAIL
CAN BE EXPECTED WITH THE THUNDERSTORMS.

REPORT ANY SEVERE WEATHER SUCH AS WIND DAMAGE OR LARGE HAIL TO YOUR
LOCAL LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.
STEIGERWzALDT

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 10:18 AM ESTSevere Thunderstorm WarningINDKnox45 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1992Every severe thunderstorm warning in 1992

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.