Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 96, NWS Indianapolis, IN

June 22, 1998Brown County, Monroe County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 22, 1998, 12:40 PM EST for Brown County, Monroe County, Indiana. It was in force for 35 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 22, 1998, 12:40 PM EST (17:40 UTC)
Expired
Jun 22, 1998, 1:15 PM EST
In force
35 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Brown County, IN, Monroe County, IN

The radar

The Indianapolis radar (KIND), 59 km from the middle of the area, began a volume at 17:40 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.

What was reported inside it

TimeReportWhereRemark
Jun 22, 12:47 PM ESTThunderstorm Wind 61Bloomington, INThunderstorm winds to 70 mph blew down dozens of trees and power lines. Up to four homes and several vehicles were damaged by fallen trees.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 22, 11:30 AM ESTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 5.7 hours before the alert went out and 219 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 12:00Z on 1998-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 307 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 12:00Z on 1998-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.193958Sfc1 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
307 J/kg
Mixed-layer CIN
-227 J/kg
Mixed-layer LCL
1177 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
107 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.

699 
WUUS1 KIND 221739 RRA
SVRIND
INC013-105-221810-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1240 PM EST MON JUN 22 1998

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BROWN COUNTY IN SOUTH CENTRAL INDIANA
  MONROE COUNTY IN SOUTH CENTRAL INDIANA

* UNTIL 115 PM EST

* AT 1235 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER BLOOMINGTON... MOVING MOVING EAST AT 30
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  YELLOWOOD FOREST BY 1250 PM EST
  NASHVILLE BY 105 PM EST

THIS IS A DANGEROUS STORM STAY INDOORS AWAY FROM WINDOWS.

CONLEY

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 22, 12:08 PM EST, 32 minutes before
INZ021-029>031-036>042-044>049-051>057-060>065-067>072-222200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1208 PM EST MON JUN 22 1998

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 PM EST FOR
MOST OF CENTRAL AND SOUTHERN INDIANA.

THE SEVERE THUNDERSTORM WATCH AREA IS SOUTH OF A LINE FROM LAFAYETTE
TO 35 MILES NORTHEAST OF MUNCIE AND EAST OF A LINE FROM LAFAYETTE TO
TERRE HAUTE. THIS INCLUDES THE CITIES OF ANDERSON...INDIANAPOLIS...
BLOOMINGTON...COLUMBUS...VINCENNES AND SEYMOUR.

AN AREA OF STRONG THUNDERSTORMS HAD MOVED INTO WEST CENTRAL INDIANA
AT 1205 PM EST. THESE THUNDERSTORMS ARE MOVING EAST-SOUTHEAST AT 35
MPH.

THESE THUNDERSTORMS MAY BECOME SEVERE...AND PRODUCE LARGE HAIL AND
WIND GUSTS OVER 55 MPH. IF SEVERE WEATHER APPROACHES YOUR LOCATION...
SEEK SHELTER IN A STRONG BUILDING AND AWAY FROM WINDOWS.

ZIMMERMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 12:44 PM ESTSevere Thunderstorm WarningINDLawrence31 min
Jun 22, 1:05 PM ESTSevere Thunderstorm WarningINDKnox50 min
Jun 22, 1:47 PM ESTSevere Thunderstorm WarningINDHenry33 min
Jun 22, 1:48 PM ESTSevere Thunderstorm WarningINDBartholomew32 min
Jun 22, 1:52 PM ESTFlash Flood WarningINDKnox3 hr

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; radar from the NEXRAD Level II archive.