Alert archive / Indiana / Tornado Warnings in 2002
Tornado Warning 7, NWS Northern Indiana
NWS Northern Indiana issued this tornado warning at Sep 20, 2002, 2:49 PM EST for Blackford County, Grant County, Indiana. It was in force for 56 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
- Sep 20, 2002, 2:49 PM EST (19:49 UTC)
- Expired
- Sep 20, 2002, 3:45 PM EST
- In force
- 56 min
- Issued by
- NWS Northern Indiana
- Area
- Counties, with a storm outline in the text
Counties Blackford County, IN, Grant County, IN
The radar
The Northern Indiana radar (KIWX), 98 km from the middle of the area, began a volume at 19:50 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 |
|---|---|---|---|
| Sep 20, 3:10 PM EST | Tornado F1 | Hartford City, IN | NWS officials reported the tornado touched down and lifted numerous times along the path. This tornado was produced by the same parent supercell that produced several tornadoes in the Indianapolis WFO CWA. Most of the damage occurred as it passed through Hartf |
| Sep 20, 3:35 PM EST | Thunderstorm Wind | Montpelier, IN | Newspaper reported a large tree was uprooted. |
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 |
|---|---|---|---|
| Sep 20, 12:35 PM EST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.8 hours before the alert went out and 186 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
- 339 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 850 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 153 m²/s²
- 0-3 km storm-relative helicity
- 179 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.5
The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 3:27 PM EST | Severe Thunderstorm Warning | IWX | Jay | 33 min |
| Sep 20, 3:31 PM EST | Tornado Warning | IWX | Adams, Wells | 44 min |
| Sep 20, 3:14 PM EST | Severe Thunderstorm Warning | IWX | Allen, Putnam | 46 min |
| Sep 20, 3:59 PM EST | Severe Thunderstorm Warning | IWX | Van Wert | 46 min |
| Sep 20, 3:59 PM EST | Tornado Warning | IWX | Putnam | 31 min |
Nearby
Tornado Warnings in Indiana, 2002Every tornado warning in 2002Tornadoes in 2002
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.