Alert archive / Indiana / Tornado Warnings in 1989
Tornado Warning 29, NWS Indianapolis, IN
NWS Indianapolis, IN issued this tornado warning at Aug 5, 1989, 1:12 AM CDT for LaPorte County, Indiana. It was in force for 33 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
- Aug 5, 1989, 1:12 AM CDT (06:12 UTC)
- Expired
- Aug 5, 1989, 1:45 AM CDT
- In force
- 33 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County LaPorte County, IN
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 5, 1:45 AM CDT | Tornado F0 | La Porte, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Peoria Regional, IL (KPIA), launched 00:00Z, 6.2 hours before the alert went out and 259 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
- 3854 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 1122 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.5
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 |
|---|---|---|---|---|
| Aug 5, 1:38 AM CDT | Tornado Warning | IND | Saint Joseph | 37 min |
| Aug 5, 5:33 AM CDT | Severe Thunderstorm Warning | IND | Delaware, Randolph | 27 min |
| Aug 5, 2:10 PM CDT | Severe Thunderstorm Warning | IND | Marion | 35 min |
| Aug 5, 5:44 PM CDT | Severe Thunderstorm Warning | IND | Lawrence | 46 min |
| Aug 5, 6:39 PM CDT | Severe Thunderstorm Warning | IND | Jackson | 21 min |
| Aug 5, 6:46 PM CDT | Severe Thunderstorm Warning | IND | Brown, Monroe | 44 min |
Nearby
Tornado Warnings in Indiana, 1989Every tornado warning in 1989Tornadoes in 1989
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.