Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 22, NWS Louisville, KY

April 8, 19984 counties in Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Apr 8, 1998, 6:42 PM EST for 4 counties in 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: Apr 8, 1998, 6:42 PM EST (23:42 UTC)
Expired: Apr 8, 1998, 7:15 PM EST
In force: 33 min
Issued by: NWS Louisville, KY
Area: Whole counties

Counties Crawford County, IN, Dubois County, IN, Orange County, IN, Perry County, IN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.7 hours before the alert went out and 243 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: 5 J/kg
Mixed-layer CIN: -164 J/kg
Mixed-layer LCL: 1652 m above ground
0-6 km bulk shear: 75 kt
0-1 km storm-relative helicity: 140 m²/s²
0-3 km storm-relative helicity: 180 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.6

Open this sounding in Storm Lab

The text

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

505 
WUUS1 KSDF 082342 RRA
SVRSDF
INC025-037-117-123-090015-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
742 PM EDT WED APR 8 1998

* SEVERE THUNDERSTORM WARNING FOR
  WESTERN CRAWFORD COUNTY - SOUTH CENTRAL INDIANA
  SOUTHEASTERN DUBOIS COUNTY - SOUTH CENTRAL INDIANA
  SOUTHERN ORANGE COUNTY - SOUTH CENTRAL INDIANA
  NORTHERN PERRY COUNTY - SOUTH CENTRAL INDIANA

* UNTIL 815 PM EDT

* SOME LOCATIONS AFFECTED
  SIBERIA BY 650 PM EST
  TASWELL BY 700 PM EST
  GREENBRIAR BY 710 PM EST

* AT 640 PM EST DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM IN
NORTHEAST SPENCER COUNTY INDIANA...MOVING NORTHEAST AT 40 MPH. THIS
STORM WILL PRODUCE LARGE HAIL AND DAMAGING WINDS.

THIS IS A DANGEROUS STORM. SEEK SHELTER IMMEDIATELY IN A REINFORCED
BUILDING AND STAY AWAY FROM WINDOWS AND OFF THE TELEPHONE. AVOID
DOWNED POWER LINES.



REITMEYER

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

Special weather statement, Apr 8, 2:40 PM EST, 4 hours 2 minutes before

KYZ023>043-045>049-053>057-061>067-070>078-081-082-INZ076-079-083-
084-089>092-082300-

SPECIAL WEATHER STATMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
340 PM EDT TUE APR 7 1998

A TORNADO WATCH WILL CONTINUE UNTIL 700 PM EDT FOR COUNTIES ALONG
AND NORTH OF JEFFERSON COUNTY INDIANA...TRIMBLE...OLDHAM...HENRY...
FRANKLIN...WOODFORD...FAYETTE...CLARK...BOURBON...NICHOLAS...
MASON AND LEWIS COUNTIES. THIS WILL INCLUDE THE CITIES OF
LEXINGTON...FRANKLIN AND COVINGTON.

THE TORNADO WATCH HAS BEEN CANCELLED FOR THE REMAINDER OF CENTRAL
KENTUCKY AND SOUTH CENTRAL INDIANA...INCLUDING THE BOWLING GREEN...
LOUISVILLE AND CAMPBELLSVILLE AREAS.

DEWALD

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 7, 9:30 PM EST	Tornado Warning	LMK	Dubois	30 min
Apr 7, 9:58 PM EST	Tornado Warning	LMK	Orange	32 min
Apr 7, 10:01 PM EST	Tornado Warning	LMK	Dubois	34 min
Apr 7, 10:27 PM EST	Tornado Warning	LMK	Washington	33 min
Apr 7, 10:35 PM EST	Tornado Warning	LMK	Orange	25 min
Apr 7, 10:59 PM EST	Tornado Warning	LMK	Washington	31 min
Apr 7, 11:13 PM EST	Tornado Warning	LMK	Scott	27 min
Apr 7, 11:56 PM EST	Severe Thunderstorm Warning	LMK	Jefferson	34 min
Apr 8, 12:01 AM EST	Tornado Warning	LMK	Jefferson	29 min
Apr 8, 12:15 AM EST	Severe Thunderstorm Warning	LMK	Dubois	30 min
Apr 8, 12:47 AM EST	Tornado Warning	LMK	Jefferson	28 min
Apr 8, 2:02 AM EST	Severe Thunderstorm Warning	LMK	Jefferson	33 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1998 Every severe thunderstorm warning in 1998

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.