Alert archive / Indiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 98, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 22, 1998, 1:05 PM EST for Knox County, Indiana. It was in force for 50 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
- Jun 22, 1998, 1:05 PM EST (18:05 UTC)
- Expired
- Jun 22, 1998, 1:55 PM EST
- In force
- 50 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Knox 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 |
|---|---|---|---|
| Jun 22, 11:30 AM EST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 6.1 hours before the alert went out and 192 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
- 307 J/kg
- Mixed-layer CIN
- -227 J/kg
- Mixed-layer LCL
- 1177 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
797 WUUS1 KIND 221805 RRA SVRIND INC083-221855- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 105 PM EST MON JUN 22 1998 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... KNOX COUNTY IN SOUTHWESTERN INDIANA * UNTIL 155 PM EST * AT 103 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES WEST OF VINCENNES NEAR LAWRENCEVILLE ILLINOIS... MOVING EAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... VINCENNES BY 115 PM EST BRUCEVILLE BY 120 PM EST BICKNELL BY 130 PM EST DAMAGING WINDS AND HEAVY RAIN ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS 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, 57 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
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, 1:47 PM EST | Severe Thunderstorm Warning | IND | Henry | 33 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; the sounding from the Mesonet's radiosonde archive.