Alert archive / Indiana / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 86, NWS Chicago, IL
NWS Chicago, IL issued this severe thunderstorm warning at Jul 6, 1997, 2:55 PM EST for Elkhart County, Indiana. It was in force for 50 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
- Jul 6, 1997, 2:55 PM EST (19:55 UTC)
- Expired
- Jul 6, 1997, 3:45 PM EST
- In force
- 50 min
- Issued by
- NWS Chicago, IL
- Area
- Whole counties
County Elkhart County, IN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 6, 3:00 PM EST | Hail 1 | Elkhart, IN | One inch hail was reported in the south part of Elkhart county. |
| Jul 6, 3:45 PM EST | Thunderstorm Wind 50 | Elkhart, IN | A thunderstorm produced strong winds which broke trees that were one-foot diameter. |
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 12:00Z, 7.9 hours before the alert went out and 236 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
- 7 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 1361 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 55 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.
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 3:17 PM EST | Severe Thunderstorm Warning | LOT | Jasper, Newton | 43 min |
| Jul 6, 3:24 PM EST | Severe Thunderstorm Warning | LOT | LaPorte | 36 min |
| Jul 6, 3:52 PM EST | Severe Thunderstorm Warning | LOT | Elkhart | 38 min |
| Jul 6, 4:03 PM EST | Severe Thunderstorm Warning | LOT | LaPorte | 42 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 1997Every severe thunderstorm warning in 1997
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.