Alert archive / Indiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 63, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 12, 1998, 4:33 PM EST for Tippecanoe County, Indiana. It was in force for 47 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 12, 1998, 4:33 PM EST (21:33 UTC)
- Expired
- Jun 12, 1998, 5:20 PM EST
- In force
- 47 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Tippecanoe County, IN
The radar
The Indianapolis radar (KIND), 92 km from the middle of the area, began a volume at 21:36 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 12, 4:45 PM EST | Thunderstorm Wind | Battle Ground, IN | Thunderstorm winds blew down several trees. |
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 |
|---|---|---|---|
| Jun 12, 2:45 PM EST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 9.6 hours before the alert went out and 147 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
- 538 J/kg
- Mixed-layer CIN
- -80 J/kg
- Mixed-layer LCL
- 1016 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.3
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 7:04 PM EST | Tornado Warning | IND | Howard | 51 min |
| Jun 11, 7:19 PM EST | Tornado Warning | IND | Randolph | 61 min |
| Jun 11, 7:31 PM EST | Severe Thunderstorm Warning | IND | Greene, Lawrence, Martin | 49 min |
| Jun 11, 7:31 PM EST | Severe Thunderstorm Warning | IND | Daviess | 49 min |
| Jun 11, 7:49 PM EST | Tornado Warning | IND | Madison | 36 min |
| Jun 11, 7:53 PM EST | Tornado Warning | IND | Hendricks, Marion | 47 min |
| Jun 11, 8:09 PM EST | Tornado Warning | IND | Hamilton | 46 min |
| Jun 11, 8:25 PM EST | Tornado Warning | IND | Howard | 30 min |
| Jun 11, 8:29 PM EST | Tornado Warning | IND | Tipton | 31 min |
| Jun 11, 8:51 PM EST | Severe Thunderstorm Warning | IND | Jackson | 34 min |
| Jun 11, 9:23 PM EST | Severe Thunderstorm Warning | IND | Randolph | 32 min |
| Jun 12, 4:01 PM EST | Flash Flood Warning | IND | Carroll, Tippecanoe | 3 hr |
| Jun 12, 4:01 PM EST | Flash Flood Warning | IND | Fountain, Warren | 3 hr |
| Jun 12, 4:55 PM EST | Severe Thunderstorm Warning | IND | Carroll | 45 min |
| Jun 12, 4:59 PM EST | Flash Flood Warning | IND | Clinton, Howard | 4 hr |
| Jun 12, 4:59 PM EST | Flash Flood Warning | IND | Montgomery | 4 hr |
| Jun 12, 5:17 PM EST | Tornado Warning | IND | Howard | 48 min |
| Jun 12, 6:13 PM EST | Severe Thunderstorm Warning | IND | Boone, Hendricks | 47 min |
| Jun 12, 6:17 PM EST | Severe Thunderstorm Warning | IND | Marion | 48 min |
| Jun 12, 6:32 PM EST | Severe Thunderstorm Warning | IND | Delaware, Madison | 33 min |
| Jun 12, 6:36 PM EST | Severe Thunderstorm Warning | IND | Vigo | 49 min |
| Jun 12, 6:45 PM EST | Severe Thunderstorm Warning | IND | Hancock | 50 min |
| Jun 12, 6:49 PM EST | Severe Thunderstorm Warning | IND | Clay | 36 min |
| Jun 12, 6:58 PM EST | Severe Thunderstorm Warning | IND | Henry | 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.