Alert archive / Indiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 3, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 7, 1998, 8:12 PM EST for Marion County, Indiana. It was in force for 33 min. 2 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
- Apr 7, 1998, 8:12 PM EST (01:12 UTC)
- Expired
- Apr 7, 1998, 8:45 PM EST
- In force
- 33 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Marion County, IN
The radar
The Indianapolis radar (KIND), 15 km from the middle of the area, began a volume at 01:28 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 7, 8:30 PM EST | Hail 0.75 | Traders Pt, IN | |
| Apr 7, 8:35 PM EST | Hail 0.75 | Indianapolis, 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 |
|---|---|---|---|
| Apr 7, 7:00 PM EST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.2 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
- 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.
975 WUUS1 KIND 080113 RRA SVRIND INC097-080145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 812 PM EST TUE APR 7 1998 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 845 PM EST FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL INDIANA ...NORTHERN MARION COUNTY AT 810 PM EST DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM NEAR EAGLE CREEK...OR 8 MILES NORTHWEST OF DOWNTOWN INDIANAPOLIS. THIS STORM WAS MOVING NORTHEAST AT 25 MPH AND WILL AFFECT THE COMMUNITIES OF BROADMOOR...NORA...BROAD RIPPLE AND MERIDIAN HILLS. THIS STORM HAS A HISTORY OF LARGE HAIL AND VERY HEAVY RAINFALL. TAKE COVER IF THIS STORM APPROACHES YOUR AREA. 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, 5:20 PM EST, 2 hours 52 minutes before
INZ045-051>053-060-061-067>070-072330- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE INDIANAPOLIS IN 520 PM EST TUE APR 7 1998 ...A TORNADO WATCH COVERS SOUTHWEST AND PART OF WEST CENTRAL INDIANA UNTIL 1000 PM EST... THE WATCH INCLUDES TERRE HAUTE...VINCENNES...GREENCASTLE...LINTON... WASHINGTON AND BEDFORD. SEVERE THUNDERSTORMS WITH LARGE HAIL...DAMAGING WINDS AND TORNADOES ARE POSSIBLE IN AND NEAR THE WATCH AREA. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. AT 510 PM...A FEW SHOWERS WERE OVER WEST CENTRAL INDIANA. SEVERE THUNDERSTORMS WERE OVER CENTRAL ILLINOIS. THE STORMS WERE MOVING NORTHEAST. THUNDERSTORMS ARE NOT LIKELY OVER THE WATCH AREA BEFORE 700 PM. ...CORRECTED SECOND PARAGRAPH SECOND SENTENCE... DS
Special weather statement, Apr 7, 5:20 PM EST, 2 hours 52 minutes before
INZ045-051>053-060-061-067>070-072330- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE INDIANAPOLIS IN 520 PM EST TUE APR 7 1998 ...A TORNADO WATCH COVERS SOUTHWEST AND PART OF WEST CENTRAL INDIANA UNTIL 1000 PM EST... THE WATCH INCLUDES TERRE HAUTE...VINCENNES...GREENCASTLE...LINTON... WASHINGTON AND BEDFORD. SEVERE THUNDERSTORMS WITH LARGE HAIL...DAMAGING WINDS AND TORNADOES ARE POSSIBLE IN AND NEAR THE WATCH AREA. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. AT 510 PM...A FEW SHOWERS WERE OVER WEST CENTRAL INDIANA. SEVERE THUNDERSTORMS WERE OVER CENTRAL ILLINOIS. THE STORMS WERE MOVING NORTHEAST. THUNDERSTORMS ARE NOT LIKELY OVER THE WATCH AREA BEFORE 700 PM. ...CORRECTED SECOND PARAGRAPH SECOND SENTENCE... DS
Special weather statement, Apr 7, 6:41 PM EST, 1 hour 31 minutes before
INZ029-030-035>037-039-040-043>048-051>056-060>064-067>070-080030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 641 PM EST TUE APR 7 1998 ...TORNADO WATCH REMAINS IN EFFECT UNTIL 10PM FOR WEST CENTRAL AND SOUTHWEST INDIANA... VERY STRONG STORMS CONTINUE TO MOVE THROUGH EARLY THIS EVENING. DURING THE LATE AFTERNOON AND EARLY EVENING THESE STORMS PRODUCES SOME DAMAGE AND LARGE HAIL IN CENTRAL ILLINOIS. THE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR. THESE STORMS WILL MOVE INTO WESTERN INDIANA ABOUT 20 MILES NORTH OF TERRE HAUTE TO DANVILLE ILLINOIS AROUND 700 PM. THESE STORMS MAY PRODUCE LARGE HAIL...STRONG WINDS AND POSSIBLY A TORNADO. OVER CENTRAL INDIANA A VERY STRONG STORM WAS OVER CLOVERDALE AND LIEBER STATE PARK ABOUT 40 MILES SOUTHWEST OF INDIANAPOLIS. THIS STORM MAY PRODUCE LARGE HAIL...GUSTY WINDS AND POSSIBLY A TORNADO AS IT MOVES THROUGH SOUTHEAST PUTNAM COUNTY. DIME TO PENNY SIZE HAIL WAS REPORTED BY A WEATHER OBSERVER AT CLOVERDALE AT 625 PM. AN ADDITIONAL WEATHER WATCH COVERING PARTS OF CENTRAL INDIANA WILL BE ISSUED THIS EVENING. 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, 7:16 PM EST, 56 minutes before
INZ010-011-019>024-026-028>059-062>066-072>075-070600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 716 PM EST TUE APR 7 1998 ...TORNADO WATCH HAS BEEN ISSUED UNTIL 1AM EST FOR MUCH OF CENTRAL INDIANA... 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. STRONG TO POSSIBLY SEVERE STORMS CONTINUE TO MARCH ACROSS ILLINOIS. THESE STORMS WILL BEGIN TO MOVE INTO WESTERN INDIANA JUST EAST OF DANVILLE ILLINOIS AROUND 700 PM. A FEW ISOLATED STORMS DEVELOPED IN CENTRAL INDIANA EARLY THIS EVENING. THESE WILL CONTINUE TO MOVE NORTHEAST THROUGH CENTRAL INDIANA. THESE STORMS MAY ALSO PRODUCE LARGE HAIL...GUSTY WINDS AND POSSIBLY A TORNADO. 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, 7:16 PM EST, 56 minutes before
INZ010-011-019>024-026-028>059-062>066-072>075-070600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 716 PM EST TUE APR 7 1998 ...TORNADO WATCH HAS BEEN ISSUED UNTIL 1AM EST FOR MUCH OF CENTRAL INDIANA... 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. STRONG TO POSSIBLY SEVERE STORMS CONTINUE TO MARCH ACROSS ILLINOIS. THESE STORMS WILL BEGIN TO MOVE INTO WESTERN INDIANA JUST EAST OF DANVILLE ILLINOIS AROUND 700 PM. A FEW ISOLATED STORMS DEVELOPED IN CENTRAL INDIANA EARLY THIS EVENING. THESE WILL CONTINUE TO MOVE NORTHEAST THROUGH CENTRAL INDIANA. THESE STORMS MAY ALSO PRODUCE LARGE HAIL...GUSTY WINDS AND POSSIBLY A TORNADO. 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, 8:03 PM EST, 9 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
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, 8:16 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, 12:18 AM EST | Severe Thunderstorm Warning | IND | Johnson | 27 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.