Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 40, NWS Indianapolis, IN

May 24, 1998Johnson County, Shelby County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 24, 1998, 2:03 PM EST for Johnson County, Shelby County, Indiana. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 24, 1998, 2:03 PM EST (19:03 UTC)
Expired
May 24, 1998, 2:35 PM EST
In force
32 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Johnson County, IN, Shelby County, IN

The radar

The Indianapolis radar (KIND), 36 km from the middle of the area, began a volume at 19:07 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.1 hours before the alert went out and 184 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, Cncnati-Daytn, OH at 12:00Z on 1998-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 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, Cncnati-Daytn, OH at 12:00Z on 1998-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 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
8 J/kg
Mixed-layer CIN
-197 J/kg
Mixed-layer LCL
638 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

671 
WUUS1 KIND 241904 RRA
SVRIND
INC081-145-241935-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
203 PM EST SUN MAY 24 1998

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN JOHNSON COUNTY IN CENTRAL INDIANA
  WESTERN SHELBY COUNTY IN CENTRAL INDIANA

* UNTIL 235 PM EST

* AT 200 PM EST... NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM 12 MILES SOUTHWEST OF SHELBYVILLE OR 5 MILES
  SOUTHEAST OF FRANKLIN MOVING EAST AT 15 MPH.

  SOME CITIES IN THE PATH OF THIS STORM INCLUDE BENGAL AND MARIETTA.


* PLEASE TAKE COVER IF YOU ARE IN THE WARNED AREA.

DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS

RK

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 8:16 PM ESTTornado WarningINDDaviess, Knox34 min
May 23, 9:10 PM ESTSevere Thunderstorm WarningINDGreene30 min
May 24, 3:44 AM ESTSevere Thunderstorm WarningINDOwen46 min
May 24, 4:56 AM ESTSevere Thunderstorm WarningINDCarroll, Clinton34 min
May 24, 6:39 AM ESTSevere Thunderstorm WarningINDHamilton31 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1998Every severe thunderstorm warning in 1998

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; radar from the NEXRAD Level II archive.