Alert archive / Indiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 116, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 29, 1998, 7:38 PM EST for Marion County, Indiana. It was in force for 47 min. 4 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
- Jun 29, 1998, 7:38 PM EST (00:38 UTC)
- Expired
- Jun 29, 1998, 8:25 PM EST
- In force
- 47 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Marion County, IN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 29, 7:49 PM EST | Thunderstorm Wind | (Ind)Indnpls Intl Ar, IN | |
| Jun 29, 7:57 PM EST | Thunderstorm Wind 53 | (Ind)Indnpls Intl Ar, IN | |
| Jun 29, 8:05 PM EST | Thunderstorm Wind 64 | Indianapolis, IN | |
| Jun 29, 8:24 PM EST | Thunderstorm Wind | Southport, IN |
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 29, 6:30 PM EST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.6 hours before the alert went out and 204 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
- 397 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 1435 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 201 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 4.0
The text
As transmitted, in the capitals the NWS used until 2016.
528 WUUS1 KIND 300039 RRA SVRIND INC097-300125- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 738 PM EST MON JUN 29 1998 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MARION COUNTY IN CENTRAL INDIANA * UNTIL 825 PM EST * AT 735 PM EST...SPOTTERS INDICATED A SEVERE THUNDERSTORM 20 MILES WEST OF INDIANAPOLIS... MOVING EAST AT 40 MPH. WINDS OF 75 MPH WERE MEASURED BY AN AMATEUR RADIO OPERATOR IN CLAYTON. * THE SEVERE THUNDERSTORM WILL BE NEAR... PLAINFIELD BY 745 PM EST DOWNTOWN INDIANAPOLIS BY 755 PM EST CUMBERLAND BY 710 PM EST GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS A TORNADO WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. CONLEY SECURE LAWN FURNITURE...GARBAGE CANS...OR OTHER OBJECTS WHICH COULD BE BLOWN ABOUT BY THE WIND. &
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 7:01 PM EST | Severe Thunderstorm Warning | IND | Clay, Putnam | 34 min |
| Jun 29, 7:01 PM EST | Severe Thunderstorm Warning | IND | Montgomery | 34 min |
| Jun 29, 7:02 PM EST | Severe Thunderstorm Warning | IND | Vermillion | 33 min |
| Jun 29, 7:15 PM EST | Flash Flood Warning | IND | Clay, Owen | 3 hr |
| Jun 29, 7:27 PM EST | Severe Thunderstorm Warning | IND | Hendricks | 33 min |
| Jun 29, 7:34 PM EST | Severe Thunderstorm Warning | IND | Montgomery | 31 min |
| Jun 29, 7:53 PM EST | Severe Thunderstorm Warning | IND | Greene | 32 min |
| Jun 29, 8:01 PM EST | Tornado Warning | IND | Daviess | 34 min |
| Jun 29, 8:04 PM EST | Severe Thunderstorm Warning | IND | Johnson | 51 min |
| Jun 29, 8:08 PM EST | Severe Thunderstorm Warning | IND | Hancock, Shelby | 47 min |
| Jun 29, 8:22 PM EST | Tornado Warning | IND | Lawrence | 33 min |
| Jun 29, 8:29 PM EST | Severe Thunderstorm Warning | IND | Bartholomew | 36 min |
| Jun 29, 8:45 PM EST | Severe Thunderstorm Warning | IND | Jackson, Jennings | 45 min |
| Jun 29, 8:45 PM EST | Severe Thunderstorm Warning | IND | Lawrence | 45 min |
| Jun 29, 8:51 PM EST | Severe Thunderstorm Warning | IND | Jackson, Jennings | 49 min |
| Jun 29, 8:51 PM EST | Severe Thunderstorm Warning | IND | Decatur | 49 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.