Alert archive / Indiana / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 17, NWS Louisville, KY

April 19, 1996Orange County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Apr 19, 1996, 11:38 PM EST for Orange County, Indiana. It was in force for 52 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 19, 1996, 11:38 PM EST (04:38 UTC)
Expired
Apr 20, 1996, 12:30 AM EST
In force
52 min
Issued by
NWS Louisville, KY
Area
Whole counties

County Orange County, IN

What was reported inside it

TimeReportWhereRemark
Apr 20, 12:15 AM ESTThunderstorm Wind 60Orleans, IN

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 00:00Z, 4.6 hours before the alert went out and 253 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 00:00Z on 1996-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1144 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 00:00Z on 1996-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 square meters per square second.1939587897117Sfc1 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
1144 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
991 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
276 m²/s²
Significant tornado parameter
1.1
Supercell composite
4.8

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 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 19, 10:12 PM EST, 1 hour 26 minutes before
INZ090>092-KYZ001>100-104-106>120-200900-

SEVERE WEATHER OUTLOOK FOR KENTUCKY
NATIONAL WEATHER SERVICE LOUISVILLE KY
1100 PM EDT FRI APR 19 1996

...SIGNIFICANT OUTBREAK OF SEVERE THUNDERSTORMS AND TORNADOES
EXPECTED ACROSS WEST AND CENTRAL KENTUCKY...

A STRONG LOW PRESSURE STORM SYSTEM WILL MOVE FROM THE UPPER
MISSISSIPPI VALLEY TO THE GREAT LAKES BY SATURDAY MORNING.
AT THE SAME TIME...A COLD FRONT WILL SWEEP EASTWARD ACROSS
THE OHIO VALLEY.  AHEAD OF THE FRONT...WARM...MOIST...VERY UNSTABLE
AIR...AND STRONG WIND FIELDS IN THE ATMOSPHERE WILL BE IN PLACE ACROSS
WESTERN AND NORTHERN KENTUCKY AS WELL AS MUCH OF ILLINOIS AND INDIANA.
AS THE FRONT MOVED INTO THIS AREA...THUNDERSTORMS DEVELOPED THIS EVENING
ACROSS MISSOURI...ILLINOIS...AND INDIANA.
>
GIVEN THE STRENGTH OF THE STORM SYSTEM AND EXPECTED INSTABILITY...
SOME THUNDERSTORMS WILL HAVE THE POTENTIAL TO PRODUCE VERY LARGE
HAIL...DAMAGING SURFACE WINDS...AND TORNADOES.

STAY :TUNED TO NOAA WEATHER RADIO FOR THE LATEST INFORMATION ON THIS
POTENTIALLY DANGEROUS WEATHER SITUATION. SKYWARN SPOTTER ACTIVATION
IS REQUESTED IN THOSE AREAS COVERED BY TORNADO WATCHES.

RNK

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 12:17 AM ESTTornado WarningLMKHancock43 min
Apr 20, 12:40 AM ESTSevere Thunderstorm WarningLMKBreckinridge, Meade50 min
Apr 20, 12:58 AM ESTSevere Thunderstorm WarningLMKTrimble47 min
Apr 20, 1:19 AM ESTSevere Thunderstorm WarningLMKBreckinridge, Bullitt, Hardin, Jefferson56 min
Apr 20, 1:30 AM ESTSevere Thunderstorm WarningLMKOldham45 min
Apr 20, 1:45 AM ESTSevere Thunderstorm WarningLMKShelby, Spencer45 min
Apr 20, 1:52 AM ESTSevere Thunderstorm WarningLMKGrayson, Hardin53 min
Apr 20, 2:19 AM ESTSevere Thunderstorm WarningLMKAnderson, Franklin41 min
Apr 20, 2:19 AM ESTSevere Thunderstorm WarningLMKNelson, Washington41 min
Apr 20, 2:28 AM ESTTornado WarningLMKButler, Logan47 min
Apr 20, 2:37 AM ESTSevere Thunderstorm WarningLMKScott, Woodford38 min
Apr 20, 2:42 AM ESTSevere Thunderstorm WarningLMKEdmonson, Warren48 min
Apr 20, 3:01 AM ESTSevere Thunderstorm WarningLMKBourbon, Fayette, Harrison44 min
Apr 20, 3:10 AM ESTSevere Thunderstorm WarningLMKHardin, Hart35 min
Apr 20, 3:16 AM ESTTornado WarningLMKHart29 min
Apr 20, 3:29 AM ESTTornado WarningLMKGreen31 min
Apr 20, 3:35 AM ESTSevere Thunderstorm WarningLMKLarue, Marion40 min
Apr 20, 3:41 AM ESTSevere Thunderstorm WarningLMKTaylor34 min
Apr 20, 3:56 AM ESTSevere Thunderstorm WarningLMKBoyle, Casey49 min
Apr 20, 3:56 AM ESTSevere Thunderstorm WarningLMKAdair49 min
Apr 20, 4:02 AM ESTSevere Thunderstorm WarningLMKMercer43 min
Apr 20, 4:14 AM ESTSevere Thunderstorm WarningLMKGarrard, Jessamine61 min
Apr 20, 4:14 AM ESTSevere Thunderstorm WarningLMKLincoln, Pulaski, Russell61 min
Apr 20, 4:28 AM ESTSevere Thunderstorm WarningLMKWayne47 min
Apr 20, 4:32 AM ESTSevere Thunderstorm WarningLMKClark, Fayette, Madison, Rockcastle43 min
Apr 20, 4:36 AM ESTTornado WarningLMKMadison24 min
Apr 20, 4:40 AM ESTTornado WarningLMKEstill, Powell50 min
Apr 20, 4:51 AM ESTSevere Thunderstorm WarningLMKMontgomery39 min
Apr 20, 4:54 AM ESTSevere Thunderstorm WarningLMKLaurel51 min
Apr 20, 5:08 AM ESTSevere Thunderstorm WarningLMKMcCreary37 min
Apr 20, 5:11 AM ESTSevere Thunderstorm WarningLMKMenifee34 min
Apr 20, 5:21 AM ESTTornado WarningLMKMenifee24 min
Apr 19, 11:21 PM ESTSevere Thunderstorm WarningLMKDubois54 min
Apr 19, 11:51 PM ESTTornado WarningLMKOrange39 min
Apr 20, 12:02 AM ESTSevere Thunderstorm WarningLMKWashington43 min
Apr 20, 12:30 AM ESTSevere Thunderstorm WarningLMKCrawford, Orange45 min
Apr 20, 12:41 AM ESTSevere Thunderstorm WarningLMKScott34 min
Apr 20, 12:51 AM ESTSevere Thunderstorm WarningLMKWashington24 min
Apr 20, 1:04 AM ESTTornado WarningLMKFloyd26 min
Apr 20, 1:14 AM ESTTornado WarningLMKClark31 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1996Every severe thunderstorm warning in 1996

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.