Alert archive / Indiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 141, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 20, 1998, 1:20 AM EST for Johnson County, Marion County, Morgan County, Indiana. It was in force for 30 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
- Jul 20, 1998, 1:20 AM EST (06:20 UTC)
- Expired
- Jul 20, 1998, 1:50 AM EST
- In force
- 30 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties Johnson County, IN, Marion County, IN, Morgan County, IN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 20, 1:30 AM EST | Thunderstorm Wind 52 | Greenwood, IN | |
| Jul 20, 1:40 AM EST | Thunderstorm Wind | Countywide, IN | Numerous trees and power lines downed. |
| Jul 20, 1:45 AM EST | Thunderstorm Wind | Beech Grove, IN | Trees and power lines 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 nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 6.3 hours before the alert went out and 209 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
- 2300 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 1282 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 189 m²/s²
- 0-3 km storm-relative helicity
- 232 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 7.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KIND 200620 RRA SVRIND INC081-097-109-200650- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 120 AM EST MON JUL 20 1998 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... JOHNSON COUNTY IN CENTRAL INDIANA MARION COUNTY IN CENTRAL INDIANA MORGAN COUNTY IN CENTRAL INDIANA * UNTIL 150 AM EST * AT 118 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER INDIANAPOLIS... MOVING SOUTHEAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MARTINSVILLE AT 135 AM EST GREENWOOD AT 130 AM EST BEECH GROVE AT 130 AM EST DAMAGING WINDS AND HEAVY RAIN ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! JAS/DT
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, Jul 19, 8:47 PM EST, 4 hours 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
847 PM EST SUN JUL 19 1998
TIME (EST) .....CITY LOCATION..... STATE ...EVENT...
DATE ....COUNTY LOCATION.... ...REMARKS...
0834 PM RUSHVILLE IN WIND DAMAGE
07/19/98 RUSH 36 INCH DIAMETER TREE
BLOWN DOWN ONTO A CAR
0836 PM RUSHVILLE IN WIND DAMAGE
07/19/98 RUSH NUMEROUS TREES DOWN
0836 PM CARTHAGE IN WIND DAMAGE
07/19/98 RUSH 2 FOOT DIAMETER TREE
BLOWN DOWN
0840 PM ARLINGTON IN WIND DAMAGE
07/19/98 RUSH LARGE TREE BLOWN DOWN
ACROSS U.S. 52
ZIMMERMANSpecial weather statement, Jul 19, 9:00 PM EST, 4 hours 20 minutes before
INZ029-030-036>042-048-049-056-057-064-065-072-200700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 900 PM EST SUN JUL 19 1998 THE SEVERE THUNDERSTORM WATCH FOR THE NORTHERN HALF OF INDIANA EXPIRED AT 900 EST. A SEVERE THUNDERSTORM WATCH FOR PART OF SOUTHEAST INDIANA REMAINS IN EFFECT UNTIL 200 AM EST. AT 900 PM EST RADAR INDICATED SCATTERED THUNDERSTORMS CONTINUED OVER THE EASTERN HALF OF CENTRAL AND OVER SOUTHEAST INDIANA...AND WERE MOVING TO THE EAST AT 35 MPH. IF SEVERE WEATHER APPROACHES YOUR LOCATION...SEEK SHELTER IN A STRONG BUILDING AND AWAY FROM WINDOWS. ELSON
Local storm report, Jul 19, 9:20 PM EST, 4 hours before
PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 920 PM EST SUN JUL 19 1998 TIME (EST) .....CITY LOCATION..... STATE ...EVENT... DATE ....COUNTY LOCATION.... ...REMAR,KS... 0917 PM MUNCIE IN 1.75 INCH HAIL 07/19/98 DELAWARE ELSON
Local storm report, Jul 19, 10:07 PM EST, 3 hours 13 minutes before
PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1007 PM EST SUN JUL 19 1998 TIME (EST) .....CITY LOCATION..... STATE ...EVENT... DATE ....COUNTY LOCATION.... ...REMARKS... 1004 PM CICERO IN 0.88 INCH HAIL 07/19/98 HAMILTON ELSON
Local storm report, Jul 19, 10:43 PM EST, 2 hours 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1043 PM EST SUN JUL 19 1998
TIME (EST) .....CITY LOCATION..... STATE ...EVENT...
DATE ....COUNTY LOCATION.... ...REMARKS...
0647 PM RUSSIAVILLE IN 0.75 INCH HAIL
07/19/98 HOWARD
0735 PM 10 NE LEBANON IN WIND DAMAGE
07/19/98 BOONE BUILDING UNDER CONSTRUCTION
...WALL BLOWN DOWN
1022 PM MIDDLETOWN IN WIND DAMAGE
07/19/98 HENRY 2 FOOT DIAMETER TREE
AND LARGE LIMBS DOWN
ELSONLocal storm report, Jul 20, 12:17 AM EST, 1 hour 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1217 AM EST MON JUL 20 1998
TIME (EST) .....CITY LOCATION..... STATE ...EVENT...
DATE ....COUNTY LOCATION.... ...REMARKS...
1143 PM 1 E ARLINGTON IN WIND DAMAGE
07/19/98 RUSH
1204 AM RUSHVILLE IN WIND DAMAGE
07/20/98 RUSH GAS PUMPS BLOWN OVER AND
TREES DOWN
1212 AM ARLINGTON IN WIND DAMAGE
07/20/98 RUSH TREES DOWN ON CR 775W
ZIMMERMANThe office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 7:46 PM EST | Severe Thunderstorm Warning | IND | Boone | 34 min |
| Jul 19, 7:59 PM EST | Severe Thunderstorm Warning | IND | Clinton | 36 min |
| Jul 19, 8:11 PM EST | Severe Thunderstorm Warning | IND | Rush | 34 min |
| Jul 19, 8:15 PM EST | Severe Thunderstorm Warning | IND | Hamilton | 35 min |
| Jul 19, 8:40 PM EST | Severe Thunderstorm Warning | IND | Madison | 30 min |
| Jul 19, 9:14 PM EST | Severe Thunderstorm Warning | IND | Delaware | 31 min |
| Jul 19, 9:21 PM EST | Severe Thunderstorm Warning | IND | Randolph | 49 min |
| Jul 19, 9:43 PM EST | Severe Thunderstorm Warning | IND | Madison | 32 min |
| Jul 19, 11:13 PM EST | Severe Thunderstorm Warning | IND | Rush | 32 min |
| Jul 19, 11:48 PM EST | Severe Thunderstorm Warning | IND | Rush | 32 min |
| Jul 20, 1:47 AM EST | Severe Thunderstorm Warning | IND | Shelby | 33 min |
| Jul 20, 1:52 AM EST | Severe Thunderstorm Warning | IND | Johnson | 33 min |
| Jul 20, 2:32 AM EST | Severe Thunderstorm Warning | IND | Bartholomew, Decatur | 33 min |
| Jul 20, 2:54 AM EST | Severe Thunderstorm Warning | IND | Brown | 31 min |
| Jul 20, 3:06 AM EST | Severe Thunderstorm Warning | IND | Bartholomew | 34 min |
| Jul 20, 3:26 AM EST | Severe Thunderstorm Warning | IND | Johnson, Shelby | 34 min |
| Jul 20, 5:43 AM EST | Flash Flood Warning | IND | Bartholomew, Decatur, Jennings | 6 hr |
| Jul 20, 11:40 AM EST | Flash Flood Warning | IND | Bartholomew, Decatur, Jackson, Jennings | 5 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.