Alert archive / Indiana / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 21, NWS Indianapolis, IN

April 15, 1993Wayne County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 15, 1993, 4:54 PM EST for Wayne County, Indiana. It was in force for 36 min.

The area

The counties it named.

The facts

Issued
Apr 15, 1993, 4:54 PM EST (21:54 UTC)
Expired
Apr 15, 1993, 5:30 PM EST
In force
36 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Wayne County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 9.9 hours before the alert went out and 69 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 152156 RRA
SVRIND
INC177-152230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
454 PM EST THU APR 15 1993
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN EAST CENTRAL INDIANA
 
   ...WAYNE COUNTY
 
AT 452 PM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM
JUST ENTERING WESTERN WAYNE COUNTY INDIANA. AT 444 PM STRONG WINDS
OVERTURNED A MOBILE HOME ON STATE ROUTE 421 IN SHELBY COUNTY AND
SERVERAL TREES WERE DOWNED BY HIGH WINDS IN SOUTHERN HENRY COUNTY 449
PM.
 
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.
&
LINDSEY

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, 2:16 PM ESTSevere Thunderstorm WarningINDHancock, Madison44 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, 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.