Alert archive / Indiana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 176, NWS Louisville, KY

August 25, 1997Dubois County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Aug 25, 1997, 9:52 AM EST for Dubois County, Indiana. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 25, 1997, 9:52 AM EST (14:52 UTC)
Expired: Aug 25, 1997, 10:25 AM EST
In force: 33 min
Issued by: NWS Louisville, KY
Area: Whole counties

County Dubois County, IN

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 2.9 hours before the alert went out and 248 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 187 J/kg
Mixed-layer CIN: -164 J/kg
Mixed-layer LCL: 663 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 85 m²/s²
0-3 km storm-relative helicity: 164 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 KSDF 251452 RRA
SVRSDF
INC037-251525-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1052 AM EDT MON AUG 25 1997

* SEVERE THUNDERSTORM WARNING FOR
  SOUTH AND SOUTHEASTERN DUBOIS COUNTY - SOUTH CENTRAL INDIANA

* UNTIL 1025 AM EST (1125 AM EDT)
 
* SOME LOCATIONS AFFECTED
  ST MARKS
  KYANA

* AT 950 AM EST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 8
MILES SOUTHEAST OF JASPER...WHICH IS 55 MILES WEST O
F LOUISIVLLE.
THE STORM IS MOVING SOUTHEAST AT 30 MPH.

IF YOU ARE OUTSIDE OR IN THE PATH OF THIS STORM...SEEK SHELTER INSIDE
A STRONG BUILDING. AVOID WINDOWS AND STAY OFF THE TELEPHONE UNTIL
THE STORM HAS PASSED.



DEWALD

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Aug 25, 8:18 AM EST, 1 hour 34 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
919 AM EDT MON AUG 25 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0730 AM    LAWRENCEBURG              KY   .75 INCH HAIL
08/25/97   ANDERSON

0800 AM    SALVISA                   KY   .75 INCH HAIL
08/25/97   MERCER

Local storm report, Aug 25, 8:19 AM EST, 1 hour 33 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
919 AM EDT MON AUG 25 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0730 AM    LAWRENCEBURG              KY   .75 INCH HAIL
08/25/97   ANDERSON

0800 AM    SALVISA                   KY   .75 INCH HAIL
08/25/97   MERCER

The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 25, 7:20 AM EST	Severe Thunderstorm Warning	LMK	Perry	35 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1997 Every 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; the sounding from the Mesonet's radiosonde archive.