Alert archive / Indiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 114, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Jun 2, 1998, 9:14 AM EST for Union County, Indiana. It was in force for 31 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
- Jun 2, 1998, 9:14 AM EST (14:14 UTC)
- Expired
- Jun 2, 1998, 9:45 AM EST
- In force
- 31 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Union County, IN
The radar
The Cincinnati radar (KILN), 97 km from the middle of the area, began a volume at 14:14 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 |
|---|---|---|---|
| Jun 2, 9:22 AM EST | Hail 0.75 | Liberty, 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 2.2 hours before the alert went out and 99 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
- 1445 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 214 m²/s²
- 0-3 km storm-relative helicity
- 241 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.
NWS Wilmington, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 2, 9:10 AM EST, 4 minutes earlier.
Area forecast discussion, Jun 2, 9:10 AM EST, 4 minutes before
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</html>In the hours before
Special weather statement, Jun 2, 4:15 AM EST, 4 hours 59 minutes before
INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046- 051>056-060>065-070>074-077>082-088-022100- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE WILMINGTON OH 515 AM EDT TUE JUN 2 1998 THE STORM PREDICTION CENTER AT NORMAN OKLAHOMA INDICATES THAT A MODERATE CHANCE OF SEVERE WEATHER EXISTS THIS AFTERNOON ACROSS PORTIONS OF CENTRAL AND SOUTH CENTRAL OHIO AND NORTHEAST KENTUCKY. TOWNS IN THE MODERATE CHANCE INCLUDE...COLUMBUS...PORTSMOUTH... CHILLICOTHE AND LANCASTER. A SLIGHT CHANCE OF SEVERE WEATHER EXISTS LATE THIS MORNING INTO THIS AFTERNOON ACROSS THE MIAMI AND WHITEWATER VALLEYS...SOUTHWEST OHIO AND NORTHERN KENTUCKY. TOWNS IN THE SLIGHT CHANCE INCLUDE... DAYTON...CINCINNATI...RICHMOND AND DRY RIDGE. BREEZY SOUTHWEST WINDS WHICH WILL INCREASE TO 15 TO 25 MPH BY LATE MORNING WILL BRING AN INCREASE IN MOISTURE TO THE REGION. THIS MOISTURE WILL HELP DESTABLIZE THE AIRMASS OVER THE OHIO VALLEY...MAKING THE ENVIRONMENT PRIME FOR THUNDERSTORM DEVELOPMENT. A COLD FRONT APPROACHING FROM THE NORTHWEST WILL INTERACT WITH THIS UNSTABLE AIRMASS CAUSING THUNDERSTORMS TO DEVELOP DURING THE LATE MORNING ACROSS EASTERN INDIANA...AROUND MIDDAY IN WESTERN OHIO AND DURING THE EARLY AFTERNOON IN CENTRAL OHIO. SOME OF THESE STORMS WILL BECOME SEVERE TODAY. THE MAIN SEVERE WEATHER THREATS APPEAR TO BE DAMAGING WINDS AND LARGE HAIL BUT DUE TO THE STRENGTH OF THE WIND FIELDS ISOLATED TORNADOES ARE ALSO POSSIBLE. AREA SKYWARN SPOTTER ACTIVATION WILL LIKELY BE NEEDED LATER TODAY. STAY TUNED TO NOAA WEATHER RADIO OR OTHER MEDIA OUTLETS FOR LATER STATEMENTS AND POSSIBLE WARNINGS. RANDALL
Special weather statement, Jun 2, 4:15 AM EST, 4 hours 59 minutes before
INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046- 051>056-060>065-070>074-077>082-088-022100- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE WILMINGTON OH 515 AM EDT TUE JUN 2 1998 THE STORM PREDICTION CENTER AT NORMAN OKLAHOMA INDICATES THAT A MODERATE CHANCE OF SEVERE WEATHER EXISTS THIS AFTERNOON ACROSS PORTIONS OF CENTRAL AND SOUTH CENTRAL OHIO AND NORTHEAST KENTUCKY. TOWNS IN THE MODERATE CHANCE INCLUDE...COLUMBUS...PORTSMOUTH... CHILLICOTHE AND LANCASTER. A SLIGHT CHANCE OF SEVERE WEATHER EXISTS LATE THIS MORNING INTO THIS AFTERNOON ACROSS THE MIAMI AND WHITEWATER VALLEYS...SOUTHWEST OHIO AND NORTHERN KENTUCKY. TOWNS IN THE SLIGHT CHANCE INCLUDE... DAYTON...CINCINNATI...RICHMOND AND DRY RIDGE. BREEZY SOUTHWEST WINDS WHICH WILL INCREASE TO 15 TO 25 MPH BY LATE MORNING WILL BRING AN INCREASE IN MOISTURE TO THE REGION. THIS MOISTURE WILL HELP DESTABLIZE THE AIRMASS OVER THE OHIO VALLEY...MAKING THE ENVIRONMENT PRIME FOR THUNDERSTORM DEVELOPMENT. A COLD FRONT APPROACHING FROM THE NORTHWEST WILL INTERACT WITH THIS UNSTABLE AIRMASS CAUSING THUNDERSTORMS TO DEVELOP DURING THE LATE MORNING ACROSS EASTERN INDIANA...AROUND MIDDAY IN WESTERN OHIO AND DURING THE EARLY AFTERNOON IN CENTRAL OHIO. SOME OF THESE STORMS WILL BECOME SEVERE TODAY. THE MAIN SEVERE WEATHER THREATS APPEAR TO BE DAMAGING WINDS AND LARGE HAIL BUT DUE TO THE STRENGTH OF THE WIND FIELDS ISOLATED TORNADOES ARE ALSO POSSIBLE. AREA SKYWARN SPOTTER ACTIVATION WILL LIKELY BE NEEDED LATER TODAY. STAY TUNED TO NOAA WEATHER RADIO OR OTHER MEDIA OUTLETS FOR LATER STATEMENTS AND POSSIBLE WARNINGS. RANDALL
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 9:27 AM EST | Severe Thunderstorm Warning | ILN | Butler | 43 min |
| Jun 2, 10:33 AM EST | Severe Thunderstorm Warning | ILN | Darke | 37 min |
| Jun 2, 10:45 AM EST | Severe Thunderstorm Warning | ILN | Warren | 45 min |
| Jun 2, 10:58 AM EST | Severe Thunderstorm Warning | ILN | Miami, Montgomery | 47 min |
| Jun 2, 8:53 AM EST | Severe Thunderstorm Warning | ILN | Fayette | 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.