Alert archive / Indiana / Tornado Warnings in 1997

Tornado Warning 25, NWS Wilmington, OH

August 17, 1997Dearborn County, Indiana

NWS Wilmington, OH issued this tornado warning at Aug 17, 1997, 6:52 PM EDT for Dearborn 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 17, 1997, 6:52 PM EDT (22:52 UTC)
Expired
Aug 17, 1997, 7:25 PM EDT
In force
33 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Dearborn County, IN

What was reported inside it

TimeReportWhereRemark
Aug 17, 6:55 PM EDTTornado F0Mt Sinai, INA tornado made a brief touchdown and downed numerous 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.9 hours before the alert went out and 106 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.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 1997-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 1997-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
39 J/kg
Mixed-layer CIN
-211 J/kg
Mixed-layer LCL
934 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KILN 172252 RRA
TORILN
INC029-172325-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
652 PM EDT SUN AUG 17 1997

THE NATIONAL WEATHER SERVICE IN WILMINGTON OH HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 725 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHEASTERN INDIANA

   ...DEARBORN COUNTY
 
AT 650 PM...THE WILMINGTON DOPPLER RADAR WAS INDICATING A
TORNADIC THUNDERSTORM LOCATED 5 MILES NORTHWEST OF LAWRENCEBURG.
THE STORM WAS MOVING EAST-NORTHEAST AT 20 MILES AN HOUR.

THIS STORM WILL PASS TO THE NORTH OF LAWRENCEBURG...NEAR GREENDALE.
 
THIS IS A DANGEROUS STORM. YOUR QUICK REACTION TO THIS TORNADO
WARNING MAY SAVE YOUR LIFE. GO TO A SMALL INTERIOR ROOM ON THE
LOWEST FLOOR POSSIBLE. ABANDON CARS AND MOBILE HOMES FOR A
STRONGER SHELTER. REMEMBER...MOST TORNADO DEATHS OCCUR IN MOBILE
HOMES.

DANGELO

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 17, 1:35 PM EDTSevere Thunderstorm WarningILNRipley60 min

Nearby

Tornado Warnings in Indiana, 1997Every tornado warning in 1997Tornadoes 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.