Alert archive / Indiana / Tornado Warnings in 1998

Tornado Warning 6, NWS Louisville, KY

April 7, 1998Dubois County, Indiana

NWS Louisville, KY issued this tornado warning at Apr 7, 1998, 10:01 PM EST for Dubois County, Indiana. It was in force for 34 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 7, 1998, 10:01 PM EST (03:01 UTC)
Expired
Apr 7, 1998, 10:35 PM EST
In force
34 min
Issued by
NWS Louisville, KY
Area
Whole counties

County Dubois County, IN

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 7, 10:00 PM ESTTornado WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 3.0 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-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 1998-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 756 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 1998-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 square meters per square second.19395878Sfc1 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
756 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
671 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
185 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.3

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this tornado 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 7, 6:56 PM EST, 3 hours 5 minutes before
INZ076-083-084-089-080055-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
756 PM EDT TUE APR 7 1998

A TORNADO WATCH CONTINUES IN EFFECT UNTIL 10 PM EST FOR DUBOIS...
PERRY...ORANGE AND CRAWFORD COUNTIES IN SOUTHERN INDIANA.

THUNDERSTORMS SO FAR THIS EVENING HAVE DEVELOPED WELL NORTH OF A
JASPER TO PAOLI LINE...OR ALONG A NORTHWARD MOVING WARM FRONT IN
CENTRAL INDIANA.

IT LOOKS LIKE THE MAIN SEVERE WEATHER THREAT THIS EVENING WILL BE
NORTH OF THE ABOVE MENTIONED COUNTIES...BUT THUNDERSTORMS COULD
STILL FIRE THIS EVENING.

STAY TUNED TO NOAA WEATHER RADIO OR COMMERCIAL RADIO AND TV FOR THE
LATEST INFORMATION.

STUREY
Special weather statement, Apr 7, 6:56 PM EST, 3 hours 5 minutes before
INZ076-083-084-089-080055-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
756 PM EDT TUE APR 7 1998

A TORNADO WATCH CONTINUES IN EFFECT UNTIL 10 PM EST FOR DUBOIS...
PERRY...ORANGE AND CRAWFORD COUNTIES IN SOUTHERN INDIANA.

THUNDERSTORMS SO FAR THIS EVENING HAVE DEVELOPED WELL NORTH OF A
JASPER TO PAOLI LINE...OR ALONG A NORTHWARD MOVING WARM FRONT IN
CENTRAL INDIANA.

IT LOOKS LIKE THE MAIN SEVERE WEATHER THREAT THIS EVENING WILL BE
NORTH OF THE ABOVE MENTIONED COUNTIES...BUT THUNDERSTORMS COULD
STILL FIRE THIS EVENING.

STAY TUNED TO NOAA WEATHER RADIO OR COMMERCIAL RADIO AND TV FOR THE
LATEST INFORMATION.

STUREY

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 9:30 PM ESTTornado WarningLMKDubois30 min
Apr 7, 9:58 PM ESTTornado WarningLMKOrange32 min
Apr 7, 10:27 PM ESTTornado WarningLMKWashington33 min
Apr 7, 10:35 PM ESTTornado WarningLMKOrange25 min
Apr 7, 10:59 PM ESTTornado WarningLMKWashington31 min
Apr 7, 11:13 PM ESTTornado WarningLMKScott27 min
Apr 7, 11:56 PM ESTSevere Thunderstorm WarningLMKJefferson34 min
Apr 8, 12:01 AM ESTTornado WarningLMKJefferson29 min
Apr 8, 12:15 AM ESTSevere Thunderstorm WarningLMKDubois30 min
Apr 8, 12:47 AM ESTTornado WarningLMKJefferson28 min
Apr 8, 2:02 AM ESTSevere Thunderstorm WarningLMKJefferson33 min
Apr 8, 6:42 PM ESTSevere Thunderstorm WarningLMKCrawford, Dubois, Orange, Perry33 min

Nearby

Tornado Warnings in Indiana, 1998Every tornado warning in 1998Tornadoes 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.