Alert archive / Indiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 6, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 8, 1998, 12:18 AM EST for Johnson County, Indiana. It was in force for 27 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 8, 1998, 12:18 AM EST (05:18 UTC)
- Expired
- Apr 8, 1998, 12:45 AM EST
- In force
- 27 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Johnson County, IN
The radar
The Indianapolis radar (KIND), 29 km from the middle of the area, began a volume at 05:19 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.
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 7, 7:00 PM EST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 5.3 hours before the alert went out and 198 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
- 1470 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 385 m²/s²
- 0-3 km storm-relative helicity
- 517 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
219 WUUS1 KIND 080519 RRA SVRIND INC081-080545- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1218 AM EST WED APR 8 1998 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1245 AM EST FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL INDIANA ...JOHNSON COUNTY AT 1218 AM EST DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM ALONG THE JOHNSON AND MORGAN COUNTY LINE FROM WAVERLY TO NEAR MORGANTOWN. THIS STORM WAS MOVING EAST AT 30 MPH. SOME TOWNS IN THE PATH OF THIS STORM INCLUDE GREENWOOD...BARGERSVILLE...TRAFALGAR AND FRANKLIN. AT 1217 AM EST MARBLE SIZE HAIL WAS REPORTED IN BARGERSVILLE. LARGE HAIL AND WINDS IN EXCESS OF 55 MPH ARE POSSIBLE WITH THESE STORMS. 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 TO RAPIDLY CHANGING WEATHER CONDITIONS. LASHLEY &
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, Apr 7, 8:03 PM EST, 4 hours 15 minutes before
INZ003>007-012-014-020>024-026-031>034-080600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 803 PM EST TUE APR 7 1998 ...TORNADO WATCH IS IN EFFECT UNTIL 1AM EST FOR MUCH OF CENTRAL INDIANA... A FEW ISOLATED VERY STRONG TO POSSIBLY SEVERE STROMS WERE MOVING THROUGH CENTRAL INDIANA. THE STRONGEST OF THESE STORMS WILL MOVE THROUGH THE NORTHERN PART OF THE INDIANAPOLIS METROPOLITAN ARE THIS EVENING. THEY MAY ALSO MOVE NEAR CARMEL...FISHERS AND NOBLESVILLE BETWEEN 900 AND 10 PM. THESE STORMS HAVE A HISTORY OF PRODUCING LARGE HAIL...INTENSE RAIN AND POSSIBLY TORNADOES EARLIER THIS EVENING. AT 755 PM A SEVERE WEATHER SPOTTER REPORTED DIME SIZE HAIL COVERING THE GROUND NEAR CLERMONT. THERE WAS ALSO A FUNNEL CLOUD REPORT NEAR DAN JONES ROAD AND 300 SOUTH IN HENDRICKS COUNTY AT 754 PM. ANOTHER AREA OF THUNDERSTORMS WILL ENTER WESTERN INDIANA ABOUT 10 TO 20 MILES NORTH OF TERRE HAUTE BETWEEN 815 AND 830 PM. A TORNADO WATCH IS IN EFFECT UNTIL 1AM NORTH OF A LINE FROM TERRE HAUTE TO CINCINNATI AND SOUTH OF A LINE FROM NEWTON COUNTY TO 10 MILES SOUTH OF FORT WAYNE. LISTEN FOR LATER STATEMENTS OR POSSIBLE WARNINGS. REMAIN ALERT FOR CHANGING WEATHER CONDITIONS AND BE PREPARED TO SEEK SHELTER IF THREATENING WEATHER APPROACHES. HAINES
Special weather statement, Apr 7, 8:59 PM EST, 3 hours 19 minutes before
INZ003>007-012-014-020>024-026-031>034-080600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 859 PM EST TUE APR 7 1998 ...TORNADO WATCH IS IN EFFECT UNTIL 1AM EST FOR MUCH OF CENTRAL INDIANA... ISOLATED VERY STRONG TO POSSIBLY SEVERE STORMS WERE MOVING THROUGH CENTRAL INDIANA. THE STRONGEST OF THESE STORMS WILL MOVE JUST SOUTH OF ANDERSON IN MADISON COUNTY BY 10 PM. THIS STORM MAY PRODUCE LARGE HAIL...STRONG WINDS AND POSSIBLY A TORNADO. ANOTHER AREA OF STORMS WAS MOVING INTO NORTHWEST AND WEST CENTRAL INDIANA. THESE STORMS EXTENDED FROM AROUND 20 MILES NORTH OF TERRE HAUTE TO CRAWFORDSVILLE. THE STRONGEST STORMS IN THIS AREA WILL MOVE BETWEEN GREENCASTLE AND CRAWFORDSVILLE BY 10PM. A TORNADO WATCH IS IN EFFECT UNTIL 1AM NORTH OF A LINE FROM TERRE HAUTE TO CINCINNATI AND SOUTH OF A LINE FROM NEWTON COUNTY TO 10 MILES SOUTH OF FORT WAYNE. SEVERE WEATHER IS DIFFICULT TO SPOT AT NIGHT. USE EXTREME CAUTION. BE PREPARED TO SEK SHELTER QUICKLY. HAINES
Special weather statement, Apr 7, 8:59 PM EST, 3 hours 19 minutes before
INZ003>007-012-014-020>024-026-031>034-080600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 859 PM EST TUE APR 7 1998 ...TORNADO WATCH IS IN EFFECT UNTIL 1AM EST FOR MUCH OF CENTRAL INDIANA... ISOLATED VERY STRONG TO POSSIBLY SEVERE STORMS WERE MOVING THROUGH CENTRAL INDIANA. THE STRONGEST OF THESE STORMS WILL MOVE JUST SOUTH OF ANDERSON IN MADISON COUNTY BY 10 PM. THIS STORM MAY PRODUCE LARGE HAIL...STRONG WINDS AND POSSIBLY A TORNADO. ANOTHER AREA OF STORMS WAS MOVING INTO NORTHWEST AND WEST CENTRAL INDIANA. THESE STORMS EXTENDED FROM AROUND 20 MILES NORTH OF TERRE HAUTE TO CRAWFORDSVILLE. THE STRONGEST STORMS IN THIS AREA WILL MOVE BETWEEN GREENCASTLE AND CRAWFORDSVILLE BY 10PM. A TORNADO WATCH IS IN EFFECT UNTIL 1AM NORTH OF A LINE FROM TERRE HAUTE TO CINCINNATI AND SOUTH OF A LINE FROM NEWTON COUNTY TO 10 MILES SOUTH OF FORT WAYNE. SEVERE WEATHER IS DIFFICULT TO SPOT AT NIGHT. USE EXTREME CAUTION. BE PREPARED TO SEK SHELTER QUICKLY. HAINES
Special weather statement, Apr 7, 9:41 PM EST, 2 hours 37 minutes before
INZ067>069-070300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 941 PM EST TUE APR 7 1998 THUNDERSTORMS WERE MOVING INTO SOUTHWEST INDIANA LATE THIS EVENING. AT 930 PM EST THUNDERSTORMS WERE AROUND 20 MILES NORTH OF EVANSVILLE. THE STORMS WERE MOVING INTO THE SOUTHERN PORTIONS OF KNOX...DAVIESS AND MARTIN COUNTY. THESE STORMS MAY PRODUCE VERY HEAVY RAIN...STRONG WINDS AND HAIL. A SEVERE WEATHER WATCH WILL BE ISSUED SHORTLY FOR PORTIONS OF SOUTHERN INDIANA. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1AM FOR CENTRAL INDIANA. SEVERE WEATHER IS DIFFICULT TO SPOT AT NIGHT. USE EXTREME CAUTION. BE PREPARED TO SEEK SHELTER QUICKLY. USE RELIABLE SOURCES FOR WATCHES AND WARNINGS. HAINES
Special weather statement, Apr 7, 9:41 PM EST, 2 hours 37 minutes before
INZ067>069-070300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 941 PM EST TUE APR 7 1998 THUNDERSTORMS WERE MOVING INTO SOUTHWEST INDIANA LATE THIS EVENING. AT 930 PM EST THUNDERSTORMS WERE AROUND 20 MILES NORTH OF EVANSVILLE. THE STORMS WERE MOVING INTO THE SOUTHERN PORTIONS OF KNOX...DAVIESS AND MARTIN COUNTY. THESE STORMS MAY PRODUCE VERY HEAVY RAIN...STRONG WINDS AND HAIL. A SEVERE WEATHER WATCH WILL BE ISSUED SHORTLY FOR PORTIONS OF SOUTHERN INDIANA. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1AM FOR CENTRAL INDIANA. SEVERE WEATHER IS DIFFICULT TO SPOT AT NIGHT. USE EXTREME CAUTION. BE PREPARED TO SEEK SHELTER QUICKLY. USE RELIABLE SOURCES FOR WATCHES AND WARNINGS. HAINES
Special weather statement, Apr 7, 9:59 PM EST, 2 hours 19 minutes before
INZ060>092-080900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 959 PM EST TUE APR 7 1998 ...TORNADO WATCH HAS BEEN ISSUED FOR SOUTHERN INDIANA UNTIL 4 AM... ...TORNADO WATCH REMAINS IN EFFECT UNTIL 1 AM FOR CENTRAL INDIANA... THUNDERSTORMS HAVE MOVED INTO SOUTHERN INDIANA LATE THIS EVENING. SCATTERED THUNDERSTORMS CONTINUE TO MOVE THROUGH CENTRAL INDIANA. A TORNADO WATCH HAS BEEN ISSUED UNTIL 4AM FOR SOUTHERN INDIANA SOUTH OF A LINE FROM 10 MILES SOUTH OF TERRE HAUTE TO 15 MILES NORTH OF LAWRENCEBURG. A TORNADO WATCH REMAINS IN EFFECT IN CENTRAL INDIANA SOUTH OF A LINE FROM NEWTON COUNTY TO 10 MILES SOUTH OF FORT WAYNE. THUNDERSTORMS WILL CONTINUE TO MOVE THROUGH THE SOUTHERN TWO-THIRDS OF INDIANA THIS EVENING AND EARLY WEDNESDAY MORNING. STRONG STORMS WILL BE LIKELY. SEVERE STORMS WITH LARGE HAIL...RAINFALL IN EXCESS OF 1 INCH AN HOUR AND TORNADOES ARE ALSO POSSIBLE. USE EXTREME CAUTION TONIGHT. SEVERE WEATHER IS DIFFICULT TO SPOT AT NIGHT. USE EXTREME CAUTION. BE PREPARED TO SEEK SHELTER QUICKLY. USE RELIABLE SOURCES FOR WEATHER INFORMATION. HAINES
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 7:33 PM EST | Tornado Warning | IND | Hendricks, Marion | 42 min |
| Apr 7, 8:12 PM EST | Severe Thunderstorm Warning | IND | Marion | 33 min |
| Apr 7, 8:16 PM EST | Tornado Warning | IND | Parke, Vermillion | 59 min |
| Apr 7, 8:34 PM EST | Severe Thunderstorm Warning | IND | Hamilton, Hancock, Madison | 26 min |
| Apr 7, 9:10 PM EST | Tornado Warning | IND | Fountain, Parke | 50 min |
| Apr 7, 9:26 PM EST | Tornado Warning | IND | Montgomery | 49 min |
| Apr 7, 10:02 PM EST | Tornado Warning | IND | Boone | 58 min |
| Apr 7, 10:14 PM EST | Tornado Warning | IND | Montgomery | 46 min |
| Apr 8, 12:11 AM EST | Severe Thunderstorm Warning | IND | Marion | 34 min |
| Apr 8, 6:45 PM EST | Severe Thunderstorm Warning | IND | Jackson | 30 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; radar from the NEXRAD Level II archive.