Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 102, NWS Indianapolis, IN

June 28, 1998Owen County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 28, 1998, 7:42 PM EST for Owen County, Indiana. It was in force for 33 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 28, 1998, 7:42 PM EST (00:42 UTC)
Expired
Jun 28, 1998, 8:15 PM EST
In force
33 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Owen County, IN

What was reported inside it

TimeReportWhereRemark
Jun 28, 8:02 PM ESTHail 1.75Spencer, IN

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 0.7 hours before the alert went out and 177 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, Lincoln, IL at 00:00Z on 1998-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3145 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, Lincoln, IL at 00:00Z on 1998-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
3145 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1452 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.5
Supercell composite
6.5

Open this sounding in Storm Lab

The text

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

363 
WUUS1 KIND 290042 RRA
SVRIND
INC119-290115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
742 PM EST SUN JUN 28 1998

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  OWEN COUNTY IN WEST CENTRAL INDIANA

* UNTIL 815 PM EST

* AT 740 PM EST... NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM 21 MILES NORTHWEST OF BLOOMINGTON OR 6 MILES
  WEST OF SPENCER MOVING EAST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SPENCER              AROUND 800 PM EST

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

JK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 7:06 PM ESTSevere Thunderstorm WarningINDMorgan34 min
Jun 28, 8:21 PM ESTSevere Thunderstorm WarningINDOwen34 min
Jun 28, 8:44 PM ESTFlash Flood WarningINDOwen4 hr
Jun 28, 9:07 PM ESTSevere Thunderstorm WarningINDOwen63 min
Jun 28, 9:25 PM ESTSevere Thunderstorm WarningINDClay, Vigo45 min
Jun 28, 10:12 PM ESTSevere Thunderstorm WarningINDOwen48 min
Jun 29, 12:54 AM ESTFlash Flood WarningINDOwen8 hr
Jun 29, 6:05 PM ESTSevere Thunderstorm WarningINDVermillion, Warren50 min
Jun 29, 6:44 PM ESTSevere Thunderstorm WarningINDFountain, Parke51 min
Jun 29, 6:44 PM ESTSevere Thunderstorm WarningINDVigo51 min
Jun 29, 6:56 PM ESTSevere Thunderstorm WarningINDTippecanoe34 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.