Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 85, NWS Indianapolis, IN

June 18, 1998Madison County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 18, 1998, 11:53 PM EST for Madison County, Indiana. It was in force for 32 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 18, 1998, 11:53 PM EST (04:53 UTC)
Expired
Jun 19, 1998, 12:25 AM EST
In force
32 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Madison County, IN

The radar

The Indianapolis radar (KIND), 70 km from the middle of the area, began a volume at 04:43 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 19, 12:15 AM ESTThunderstorm WindAlliance, INTrees and power lines downed near i-69.

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 18, 11:00 PM ESTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 4.9 hours before the alert went out and 183 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 00:00Z on 1998-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3764 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 1998-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 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
3764 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1013 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
185 m²/s²
Significant tornado parameter
2.1
Supercell composite
16.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 190453 RRA
SVRIND
INC095-190525-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1153 PM EST THU JUN 18 1998

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MADISON COUNTY IN CENTRAL INDIANA

* UNTIL 1225 AM EST

* AT 1150 PM EST...SPOTTERS INDICATED A SEVERE THUNDERSTORM 5 MILES
  WEST OF ANDERSON... MOVING EAST AT 25 MPH. TREES WERE REPORTED
  DOWN WEST OF ANDERSON.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ANDERSON AROUND 1155 PM
  ALEXANDRIA AROUND MIDNIGHT

THIS STORM HAS A HISTORY OF DAMAGING WIND. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!

LASHLEY/EDDY


&

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

Local storm report, Jun 18, 11:42 PM EST, 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1142 PM EST THU JUNE 19 1998

TIME (EST) .....CITY LOCATION.....STATE   ...EVENT...
DATE       ....COUNTY LOCATION....        ...REMARKS...

1034 PM                              IN   WIND DAMAGE
06/19/98   PARKE                          TREES REPORTED DOWN
                                          SOUTH HALF OF COUNTY
                                          BY COUNTY SHERIFF

1036 PM                              IN   WIND DAMAGE
06/19/98   MONTOGOMERY                    ONE TREE REPORTED DOWN
                                          NORTHEAST PART OF COUNTY
                                          BY COUNTY SHERIFF

1050 PM                              IN   WIND DAMAGE
06/19/98   MONTGOMERY                     ONE TREE REPORTED DOWN
                                          NORTHEAST PART OF COUNTY
                                          BY COUNTY SHERIFF

1104 PM    NEWPORT                   IN   WIND DAMAGE
06/19/98   VERMILLION                     ONE TREE REPORTED DOWN
                                          BY COUNTY SHERIFF

UNKNOWN                              IN   WIND DAMAGE
06/19/98   CLAY                           TREES AND POWER LINES
                                          DOWN NORTH HALF OF COUNTY
                                          BY COUNTY SHERIFF

1115 PM                              IN   WIND DAMAGE
06/19/98   PUTNAM                         TREES DOWNED COUNTY WIDE
                                          BY COUNTY SHERIFF

ELSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 10:07 PM ESTSevere Thunderstorm WarningINDCarroll, Tippecanoe48 min
Jun 18, 10:16 PM ESTSevere Thunderstorm WarningINDParke, Vermillion, Vigo49 min
Jun 18, 10:37 PM ESTSevere Thunderstorm WarningINDClay33 min
Jun 18, 10:48 PM ESTSevere Thunderstorm WarningINDMontgomery, Putnam47 min
Jun 18, 11:15 PM ESTSevere Thunderstorm WarningINDHendricks, Morgan45 min
Jun 18, 11:36 PM ESTSevere Thunderstorm WarningINDHamilton, Johnson, Marion49 min
Jun 18, 11:49 PM ESTSevere Thunderstorm WarningINDHancock, Shelby31 min
Jun 18, 11:56 PM ESTSevere Thunderstorm WarningINDGreene, Monroe34 min
Jun 19, 12:01 AM ESTSevere Thunderstorm WarningINDBrown34 min
Jun 19, 12:09 AM ESTSevere Thunderstorm WarningINDDecatur, Henry, Rush46 min
Jun 19, 12:09 AM ESTSevere Thunderstorm WarningINDDelaware46 min
Jun 19, 12:09 AM ESTSevere Thunderstorm WarningINDBartholomew46 min
Jun 19, 12:25 AM ESTSevere Thunderstorm WarningINDKnox, Sullivan35 min
Jun 19, 12:34 AM ESTSevere Thunderstorm WarningINDRandolph31 min
Jun 19, 1:08 AM ESTSevere Thunderstorm WarningINDOwen, Putnam32 min
Jun 19, 1:19 AM ESTSevere Thunderstorm WarningINDHendricks, Monroe, Morgan31 min
Jun 19, 1:23 AM ESTSevere Thunderstorm WarningINDLawrence32 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; radar from the NEXRAD Level II archive.