Alert archive / Indiana / Tornado Warnings in 1999
Tornado Warning 1, NWS Indianapolis, IN
NWS Indianapolis, IN issued this tornado warning at Apr 9, 1999, 2:54 AM EST for Jennings County, Indiana. It was in force for 26 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
- Apr 9, 1999, 2:54 AM EST (07:54 UTC)
- Expired
- Apr 9, 1999, 3:20 AM EST
- In force
- 26 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Jennings County, IN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 9, 3:00 AM EST | Tornado F3 | San Jacinto, IN | A strong F3 tornado moved across the extreme southeastern part of the county significantly damaging 2 homes and destroying 4 barns. 2 high tension power line towers were toppled as well. The tornado then moved northeast out of the Indianapolis CWA. |
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 |
|---|---|---|---|
| Apr 8, 11:30 PM EST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 7.9 hours before the alert went out and 165 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
- 250 J/kg
- Mixed-layer CIN
- -130 J/kg
- Mixed-layer LCL
- 1483 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 166 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
999 WFUS1 KIND 090755 RRA TORIND INC079-090820- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 254 AM EST FRI APR 9 1999 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN JENNINGS COUNTY IN SOUTHEASTERN INDIANA * UNTIL 320 AM EST * AT 250 AM EST... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 10 MILES SOUTH OF NORTH VERNON... MOVING NORTHEAST 40 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... COMMISKEY AT 300 AM EST SAN JACINTO AT 325 AM EST GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR DS
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 11:51 PM EST | Severe Thunderstorm Warning | IND | Sullivan, Vigo | 49 min |
| Apr 9, 12:05 AM EST | Severe Thunderstorm Warning | IND | Fountain, Vermillion, Warren | 30 min |
| Apr 9, 12:05 AM EST | Severe Thunderstorm Warning | IND | Parke | 30 min |
| Apr 9, 1:55 AM EST | Severe Thunderstorm Warning | IND | Shelby | 30 min |
Nearby
Tornado Warnings in Indiana, 1999Every tornado warning in 1999Tornadoes in 1999
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.