Alert archive / Indiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 34, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at May 23, 1998, 7:01 AM EST for Monroe County, Indiana. It was in force for 34 min. 1 report 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
- May 23, 1998, 7:01 AM EST (12:01 UTC)
- Expired
- May 23, 1998, 7:35 AM EST
- In force
- 34 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Monroe County, IN
The radar
The Indianapolis radar (KIND), 64 km from the middle of the area, began a volume at 12:03 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 |
|---|---|---|---|
| May 23, 7:22 AM EST | Hail 1.75 | Ellettsville, 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 nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 0.0 hours before the alert went out and 209 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
- 64 J/kg
- Mixed-layer CIN
- -431 J/kg
- Mixed-layer LCL
- 556 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 142 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.1
The text
As transmitted, in the capitals the NWS used until 2016.
379 WUUS1 KIND 231202 RRA SVRIND INC105-231235- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 701 AM EST SAT MAY 23 1998 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MONROE COUNTY IN SOUTH CENTRAL INDIANA * UNTIL 735 AM EST * AT 659 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES NORTHWEST OF BLOOMINGTON... MOVING SOUTHEAST AT 35 MPH. THE INDIANA STATE POLICE REPORTED HAIL UP TO GOLFBALL SIZE AT 656 AM EST JUST EAST OF SPENCER /15 MILES NORTHWEST OF BLOOMINGTON/. * THE SEVERE THUNDERSTORM WILL BE NEAR... ELLETTVILLE AT 705 AM BLOOMINGTON AT 715 AM DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS ZIMMERMAN &
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, May 23, 4:30 AM EST, 2 hours 31 minutes before
INZ003>009-012>018-020>049-051>057-060>065-067>072-231600- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE INDIANAPOLIS IN 430 AM EST SAT MAY 23 1998 THUNDERSTORMS ARE LIKELY OVER CENTRAL AND SOUTHERN INDIANA TODAY... AND THERE IS A CHANCE OF THUNDERSTORMS IN THE NORTH. SOME STRONG TO POSSIBLY SEVERE THUNDERSTORMS MAY DEVELOP IN CENTRAL AND SOUTHERN INDIANA LATE THIS AFTERNOON. SOME BRIEF HEAVY RAIN MAY ALSO OCCUR WITH THE THUNDERSTORMS. SPOTTER ACTIVATION MAY BE REQUESTED LATER TODAY. ZIMMERMAN
Special weather statement, May 23, 4:30 AM EST, 2 hours 31 minutes before
INZ003>009-012>018-020>049-051>057-060>065-067>072-231600- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE INDIANAPOLIS IN 430 AM EST SAT MAY 23 1998 THUNDERSTORMS ARE LIKELY OVER CENTRAL AND SOUTHERN INDIANA TODAY... AND THERE IS A CHANCE OF THUNDERSTORMS IN THE NORTH. SOME STRONG TO POSSIBLY SEVERE THUNDERSTORMS MAY DEVELOP IN CENTRAL AND SOUTHERN INDIANA LATE THIS AFTERNOON. SOME BRIEF HEAVY RAIN MAY ALSO OCCUR WITH THE THUNDERSTORMS. SPOTTER ACTIVATION MAY BE REQUESTED LATER TODAY. ZIMMERMAN
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 1:32 AM EST | Severe Thunderstorm Warning | IND | Daviess, Martin | 43 min |
| May 23, 2:03 PM EST | Severe Thunderstorm Warning | IND | Marion | 32 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.