Alert archive / Indiana / Tornado Warnings in 1998
Tornado Warning 79, NWS Northern Indiana
NWS Northern Indiana issued this tornado warning at Aug 24, 1998, 4:17 AM EST for Steuben County, Indiana. It was in force for 48 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
- Aug 24, 1998, 4:17 AM EST (09:17 UTC)
- Expired
- Aug 24, 1998, 5:05 AM EST
- In force
- 48 min
- Issued by
- NWS Northern Indiana
- Area
- Whole counties
County Steuben County, IN
The radar
The Northern Indiana radar (KIWX), 66 km from the middle of the area, began a volume at 09:17 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 |
|---|---|---|---|
| Aug 24, 5:00 AM EST | Hail 0.75 | Fremont, IN | |
| Aug 24, 5:00 AM EST | Thunderstorm Wind 56 | Clear Lake, IN | SEVERAL LARGE TREES BLOWN DOWN. |
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
Detroit, MI (KDTX), launched 00:00Z, 9.3 hours before the alert went out and 176 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
- 812 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 1734 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.6
The text
As transmitted, in the capitals the NWS used until 2016.
957 WFUS53 KIWX 240922 RRA TORFWA INC151-241005- BULLETIN- EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NORTHERN INDIANA 417 AM EST MON AUG 24 1998 THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A * TORNADO WARNING FOR... NORTHERN STEUBEN COUNTY IN NORTHEASTERN INDIANA * UNTIL 505 AM EST * AT 418 AM EST... DOPPLER RADAR AT NORTH WEBSTER INDICATED A POSSIBLE TORNADO 10 MILES WEST OF FREMONT MOVING SOUTHEAST AT 25 MPH. * THE TORNADO WILL AFFECT... JAMESTOWN FREMONT CLEAR LAKE SEEK SHELTER INSIDE A STURDY BUILDING AWAY FROM WINDOWS. THIS IS A DANGEROUS STORM JAH
The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 5:04 AM EST | Severe Thunderstorm Warning | IWX | Steuben | 46 min |
| Aug 24, 2:31 PM EST | Severe Thunderstorm Warning | IWX | LaPorte, Saint Joseph, Starke | 64 min |
| Aug 24, 3:03 PM EST | Severe Thunderstorm Warning | IWX | Elkhart, Marshall | 62 min |
| Aug 24, 3:15 PM EST | Severe Thunderstorm Warning | IWX | Fulton, Kosciusko | 50 min |
| Aug 24, 3:15 PM EST | Severe Thunderstorm Warning | IWX | Pulaski | 50 min |
| Aug 24, 3:31 PM EST | Severe Thunderstorm Warning | IWX | LaGrange | 49 min |
| Aug 24, 3:31 PM EST | Severe Thunderstorm Warning | IWX | Noble | 49 min |
| Aug 24, 3:47 PM EST | Severe Thunderstorm Warning | IWX | Wabash, Whitley | 48 min |
| Aug 24, 3:47 PM EST | Severe Thunderstorm Warning | IWX | Miami | 48 min |
| Aug 24, 3:53 PM EST | Severe Thunderstorm Warning | IWX | DeKalb, Steuben | 47 min |
| Aug 24, 3:59 PM EST | Severe Thunderstorm Warning | IWX | Allen, Huntington | 46 min |
| Aug 24, 4:49 PM EST | Severe Thunderstorm Warning | IWX | Grant | 51 min |
Nearby
Tornado Warnings in Indiana, 1998Every tornado warning in 1998Tornadoes 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.