Alert archive / Indiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 13, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 16, 1998, 12:51 AM EST for Jackson County, Indiana. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 16, 1998, 12:51 AM EST (05:51 UTC)
- Expired
- Apr 16, 1998, 1:40 AM EST
- In force
- 49 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Jackson County, 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 |
|---|---|---|---|
| Apr 15, 8:45 PM EST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 5.9 hours before the alert went out and 201 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 835 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 283 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KIND 160551 RRA SVRIND INC071-160640- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1251 AM EST THU APR 16 1998 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... JACKSON COUNTY IN SOUTH CENTRAL INDIANA * UNTIL 140 AM EST * AT 12:50 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 20 MILES SOUTHWEST OF SEYMOUR...OR JUST WEST OF MEDORA... MOVING NORTHEAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... BROWNSTOWN AT 1:10 AM SEYMOUR AT 1:30 AM DAMAGING WINDS AND HEAVY RAIN ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER... SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. LASHLEY
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 7:32 PM EST | Severe Thunderstorm Warning | IND | Greene, Monroe | 63 min |
| Apr 15, 8:55 PM EST | Tornado Warning | IND | Lawrence, Martin | 50 min |
| Apr 15, 9:47 PM EST | Flash Flood Warning | IND | Daviess, Greene, Knox, Martin, Monroe | 3 hr |
| Apr 15, 9:47 PM EST | Flash Flood Warning | IND | Brown | 3 hr |
| Apr 15, 10:09 PM EST | Flash Flood Warning | IND | Bartholomew, Decatur, Jackson, Jennings | 4 hr |
| Apr 15, 10:09 PM EST | Flash Flood Warning | IND | Lawrence | 4 hr |
| Apr 16, 12:23 AM EST | Severe Thunderstorm Warning | IND | Lawrence | 32 min |
| Apr 16, 12:46 AM EST | Flash Flood Warning | IND | Daviess, Greene, Knox | 4 hr |
| Apr 16, 12:46 AM EST | Flash Flood Warning | IND | Brown, Monroe | 4 hr |
| Apr 16, 12:46 AM EST | Flash Flood Warning | IND | Martin | 4 hr |
| Apr 16, 12:59 AM EST | Flash Flood Warning | IND | Jackson, Lawrence | 4 hr |
| Apr 16, 12:59 AM EST | Flash Flood Warning | IND | Bartholomew, Decatur, Jennings | 4 hr |
| Apr 16, 1:34 AM EST | Severe Thunderstorm Warning | IND | Jennings | 46 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; the sounding from the Mesonet's radiosonde archive.