Alert archive / Indiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 99, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 22, 1998, 1:47 PM EST for Henry 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 22, 1998, 1:47 PM EST (18:47 UTC)
- Expired
- Jun 22, 1998, 2:20 PM EST
- In force
- 33 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Henry County, IN
The radar
The Indianapolis radar (KIND), 80 km from the middle of the area, began a volume at 18:46 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 22, 2:05 PM EST | Thunderstorm Wind | Mt Summit, IN | Tree limbs blown down. |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 22, 11:30 AM EST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.8 hours before the alert went out and 148 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.
- Mixed-layer CAPE
- 571 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 921 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KIND 221847 RRA SVRIND INC065-221920- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 147 PM EST MON JUN 22 1998 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... HENRY COUNTY IN EAST CENTRAL INDIANA * UNTIL 220 PM EST * AT 145 PM EST...SPOTTERS AT ANDERSON AIRPORT REPORTED WIND GUSTS 60 TO 65 MPH. THE SEVERE THUNDERSTORM WAS 5 MILES NORTHWEST OF NEW CASTLE NEAR SULPHUR SPRINGS... MOVING EAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... NEW CASTLE AT 150 PM EST MOUNT SUMMIT AT 150 PM EST THIS STORM HAS A HISTORY OF DAMAGING WIND. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINtDOWS! 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, 1 hour 39 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
Local storm report, Jun 22, 1:11 PM EST, 36 minutes before
PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 111 PM EST MON JUN 22 1998 TIME (EST) .....CITY LOCATION.....STATE ...EVENT... DATE ....COUNTY LOCATION.... ...REMARKS... 1232 PM BLOOMINGTON IN 55-70 MPH WINDS REPORTED 06/22/98 MONROE BY STATE POLICE. 1247 PM BLOOMINGTON IN ESTIMATED 60 MPH WINDS BY 06/22/98 MONROE AMATEUR RADIO OPERATOR. 1252 PM BLOOMINGTON IN 65-70 MPH WINDS REPORTED BY 06/22/98 MONROE AMATEUR RADIO OPERATOR. EZ/MS
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 12:40 PM EST | Severe Thunderstorm Warning | IND | Brown, Monroe | 35 min |
| Jun 22, 12:44 PM EST | Severe Thunderstorm Warning | IND | Lawrence | 31 min |
| Jun 22, 1:05 PM EST | Severe Thunderstorm Warning | IND | Knox | 50 min |
| Jun 22, 1:48 PM EST | Severe Thunderstorm Warning | IND | Bartholomew | 32 min |
| Jun 22, 1:52 PM EST | Flash Flood Warning | IND | Knox | 3 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.