Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 42, NWS Indianapolis, IN

May 29, 1998Delaware County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 29, 1998, 3:08 PM EST for Delaware County, Indiana. It was in force for 32 min. 3 reports 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
May 29, 1998, 3:08 PM EST (20:08 UTC)
Expired
May 29, 1998, 3:40 PM EST
In force
32 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Delaware County, IN

The radar

The Indianapolis radar (KIND), 95 km from the middle of the area, began a volume at 20:08 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
May 29, 3:12 PM ESTHail 1.75Eaton, IN
May 29, 3:17 PM ESTHail 2Eaton, IN
May 29, 3:36 PM ESTThunderstorm WindEaton, INSeveral trees blown down. One fell on mobile home.

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
May 29, 2:30 PM ESTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.1 hours before the alert went out and 163 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 1998-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 410 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 1998-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.1939Sfc1 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
410 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
1085 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

774 
WUUS1 KIND 292010 RRA
SVRIND
INC035-292040-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
308 PM EST FRI MAY 29 1998

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN DELAWARE COUNTY IN EAST CENTRAL INDIANA

* UNTIL 340 PM EST

* AT 305 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 10 MILES NORTH OF MUNCIE NEAR EATON... MOVING
  EAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GRANDEVILLE BY 325 PM EST
  ALBANY BY 335 PM EST

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

WHEN THUNDERSTORMS ARE OCCURRING... PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES OR
ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS
PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

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, May 29, 2:32 PM EST, 36 minutes before
INZ008-009-012>018-020>050-057>059-292130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
232 PM EST FRI MAY 29 1998

...SEVERE THUNDERSTORM WATCH FOR MUCH OF CENTRAL AND NORTHERN INDIANA
UNTIL 800 PM EST...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF CENTRAL AND
NORTHERN INDIANA UNTIL 800 PM THIS EVENING. THE WATCH IS NORTH OF A
LINE FROM 10 MILES NORTH OF TERRE HAUTE TO 20 MILES SOUTH OF
RICHMOND. SOME CITIES IN THE WATCH ARE INDIANAPOLIS...TERRE HAUTE...
FORT WAYNE...ANDERSON...LAFAYETTE...AND KOKOMO.

AT 225 PM EST...THUNDERSTORMS HAVE RAPIDLY DEVELOPED OVER PARTS OF
EAST CENTRAL INDIANA. OTHER STORMS ARE EXPECTED TO DEVELOP ACROSS
NORTH AND CENTRAL INDIANA LATER THIS AFTERNOON AND EVENING. SOME OF
THE STORMS MAY BECOME SEVERE.

STAY TUNED TO THIS MEDIA SOURCE FOR FURTHER UPDATES.

SH/JS
Special weather statement, May 29, 2:32 PM EST, 36 minutes before
INZ008-009-012>018-020>050-057>059-292130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
232 PM EST FRI MAY 29 1998

...SEVERE THUNDERSTORM WATCH FOR MUCH OF CENTRAL AND NORTHERN INDIANA
UNTIL 800 PM EST...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF CENTRAL AND
NORTHERN INDIANA UNTIL 800 PM THIS EVENING. THE WATCH IS NORTH OF A
LINE FROM 10 MILES NORTH OF TERRE HAUTE TO 20 MILES SOUTH OF
RICHMOND. SOME CITIES IN THE WATCH ARE INDIANAPOLIS...TERRE HAUTE...
FORT WAYNE...ANDERSON...LAFAYETTE...AND KOKOMO.

AT 225 PM EST...THUNDERSTORMS HAVE RAPIDLY DEVELOPED OVER PARTS OF
EAST CENTRAL INDIANA. OTHER STORMS ARE EXPECTED TO DEVELOP ACROSS
NORTH AND CENTRAL INDIANA LATER THIS AFTERNOON AND EVENING. SOME OF
THE STORMS MAY BECOME SEVERE.

STAY TUNED TO THIS MEDIA SOURCE FOR FURTHER UPDATES.

SH/JS
Special weather statement, May 29, 2:35 PM EST, 33 minutes before
INZ008-009-012>018-020>050-057>059-292130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
235 PM EST FRI MAY 29 1998

...SEVERE THUNDERSTORM WATCH FOR MUCH OF CENTRAL AND NORTHERN INDIANA
UNTIL 800 PM EST...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF CENTRAL AND
NORTHERN INDIANA UNTIL 800 PM THIS EVENING. THE WATCH IS NORTH OF A
LINE FROM 10 MILES NORTH OF TERRE HAUTE TO 20 MILES SOUTH OF
RICHMOND. SOME CITIES IN THE WATCH ARE INDIANAPOLIS...TERRE HAUTE...
FORT WAYNE...ANDERSON...LAFAYETTE...AND KOKOMO.

AT 230 PM EST...THUNDERSTORMS HAVE RAPIDLY DEVELOPED OVER PARTS OF
EAST CENTRAL INDIANA. OTHER STORMS ARE EXPECTED TO DEVELOP ACROSS
NORTH AND CENTRAL INDIANA LATER THIS AFTERNOON AND EVENING. SOME OF
THE STORMS MAY BECOME SEVERE.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS OF 58 MPH OR HIGHER AND
AND LARGE HAIL THREE QUARTER INCH IN DIAMETER OR LARGER.

STAY TUNED TO THIS MEDIA SOURCE FOR FURTHER UPDATES.

SH/JS
Special weather statement, May 29, 2:35 PM EST, 33 minutes before
INZ008-009-012>018-020>050-057>059-292130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
235 PM EST FRI MAY 29 1998

...SEVERE THUNDERSTORM WATCH FOR MUCH OF CENTRAL AND NORTHERN INDIANA
UNTIL 800 PM EST...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF CENTRAL AND
NORTHERN INDIANA UNTIL 800 PM THIS EVENING. THE WATCH IS NORTH OF A
LINE FROM 10 MILES NORTH OF TERRE HAUTE TO 20 MILES SOUTH OF
RICHMOND. SOME CITIES IN THE WATCH ARE INDIANAPOLIS...TERRE HAUTE...
FORT WAYNE...ANDERSON...LAFAYETTE...AND KOKOMO.

AT 230 PM EST...THUNDERSTORMS HAVE RAPIDLY DEVELOPED OVER PARTS OF
EAST CENTRAL INDIANA. OTHER STORMS ARE EXPECTED TO DEVELOP ACROSS
NORTH AND CENTRAL INDIANA LATER THIS AFTERNOON AND EVENING. SOME OF
THE STORMS MAY BECOME SEVERE.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS OF 58 MPH OR HIGHER AND
AND LARGE HAIL THREE QUARTER INCH IN DIAMETER OR LARGER.

STAY TUNED TO THIS MEDIA SOURCE FOR FURTHER UPDATES.

SH/JS

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 1:57 PM ESTSevere Thunderstorm WarningINDDelaware48 min
May 29, 6:01 PM ESTSevere Thunderstorm WarningINDHoward49 min
May 29, 6:20 PM ESTSevere Thunderstorm WarningINDRandolph65 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.