Alert archive / Indiana / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 161, NWS Louisville, KY

April 7, 2006Jefferson County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Apr 7, 2006, 6:31 PM EDT for Jefferson County, Indiana. It was in force for 29 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, 2006, 6:31 PM EDT (22:31 UTC)
Expired
Apr 7, 2006, 7:00 PM EDT
In force
29 min
Issued by
NWS Louisville, KY
Area
Counties, with a storm outline in the text

County Jefferson County, IN

The radar

The Louisville radar (KLVX), 100 km from the middle of the area, began a volume at 22:31 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 7, 11:20 AM EDTTornado WatchSPC10 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.5 hours before the alert went out and 159 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 2006-04-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2006-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 233 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
885 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
233 m²/s²
0-3 km storm-relative helicity
244 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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.

NWS Louisville, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 7, 5:43 PM EDT, 48 minutes earlier.

Area forecast discussion, Apr 7, 5:43 PM EDT, 48 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LOUISVILLE KY
543 PM EDT FRI APR 7 2006

.SHORT TERM(MESOSCALE UPDATE).

SUPERCELLS CONTINUE TO MOVE OUT OF TN AND HAVE DISTINCT RIGHT MOVING
CHARACTERISTICS...AND NOW THE OUR MAIN FOCUS IS THE LINE OF STORMS
THAT ARE FORMING AHEAD OF THE FRONT. THIS SHOULD ENHANCE THE WIND
POTENTIAL GIBSON COUNTY KY STORM JUST PRODUCED BASEBALL SIZE HAIL.
THIS STORM IN ENTERING AIR THAT HAS NOT BEEN WORKED OVER...SO THE
TORNADO THREAT WILL CONTINUE. LARGE HAIL IS STILL A THREAT WITH
OPTIMUM WBZS. DEW POINTS DROP OFF BEHIND THE FRONT AND THINGS WILL
QUIET DOWN BY MID TO LATE EVENING.
JDG

.LONG TERM(SATURDAY NIGHT THROUGH FRIDAY)

NO CHANGES TO THE EXTENDED PD...MAINLY DRY WITH ABOVE NORMAL TEMPS.

HIGH PRESSURE WILL MIGRATE EAST TOWARD THE MID ATLANTIC COAST
BY TUESDAY. MOIST SOUTHERLY FLO WILL INCREASE BY TUESDAY...BUT A
RIDGE AXIS EXTENDING SOUTHWEST INTO THE NORTHERN GULF WILL INHIBIT
RAPID RETURN OF GULF MOISTURE. RIDGING ALOFT WILL DEVELOP ACROSS THE
LOWER OHIO VALLEY AS TROUGHING DEVELOPS ACROSS THE ROCKIES.

LOW PRESSURE MOVING WEST OF THE GREAT LAKES WEDNESDAY WILL ALLOW A
TROUGH TO MOVE EAST THROUGH OUR REGION WEDNESDAY. MODIFIED GULF AIR
WILL APPROACH FROM THE WEST AND SO WILL KEEP LOW CHANCES FOR SHOWERS
AND THUNDER WEDNESDAY...SUPPORTED BY HPC. THIS SYSTEM IS WEAK
HOWEVER AND MAINLY TO OUR NORTH...SO NO COLD AIR TO FOLLOW WITH
CONTD OSLO WARMING THRU FRI. --DK

.LMK WATCHES/WARNINGS/ADVISORIES...
KY...NONE.
IN...NONE.

&&

JG/AB/DK
Hazardous weather outlook, Apr 7, 5:00 PM EDT, 1 hour 31 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
500 PM EDT FRI APR 7 2006

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-080830-
ORANGE IN-WASHINGTON IN-SCOTT IN-JEFFERSON IN-DUBOIS IN-
CRAWFORD IN-PERRY IN-HARRISON IN-FLOYD IN-CLARK IN-HANCOCK KY-
BRECKINRIDGE KY-MEADE KY-OHIO KY-GRAYSON KY-HARDIN KY-BULLITT KY-
JEFFERSON KY-OLDHAM KY-TRIMBLE KY-HENRY KY-SHELBY KY-FRANKLIN KY-
SCOTT KY-HARRISON KY-SPENCER KY-ANDERSON KY-WOODFORD KY-
FAYETTE KY-BOURBON KY-NICHOLAS KY-NELSON KY-WASHINGTON KY-
MERCER KY-JESSAMINE KY-CLARK KY-LARUE KY-MARION KY-BOYLE KY-
GARRARD KY-MADISON KY-BUTLER KY-EDMONSON KY-HART KY-GREEN KY-
TAYLOR KY-CASEY KY-LINCOLN KY-LOGAN KY-WARREN KY-SIMPSON KY-
ALLEN KY-BARREN KY-MONROE KY-METCALFE KY-ADAIR KY-RUSSELL KY-
CUMBERLAND KY-CLINTON KY-
600 PM CDT FRI APR 7 2006 /500 PM EDT FRI APR 7 2006/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
INDIANA AND CENTRAL KENTUCKY.

.DAY ONE...TONIGHT.

STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE TONIGHT ACROSS THE
TWO STATE REGION. A COLD FRONT WILL DROP SOUTHEAST ACROSS THE REGION
TONIGHT WHILE AN AREA OF LOW PRESSURE DEVELOPS ALONG THE COLD FRONT
OVER SOUTHEAST MISSOURI. BOTH THE LOW PRESSURE AND COLD FRONT WILL
CONTINUE TO MOVE TO THE SOUTHEAST DURING THE OVERNIGHT HOURS.

THE MAIN FOCUS FOR THE THUNDERSTORM ACTIVITY WILL BE ALONG AND AHEAD
OF THE COLD FRONT AND THE SURFACE LOW PRESSURE. THE MAIN SEVERE
WEATHER THREAT WILL BE FOR ISOLATED TORNADOES...LARGE HAIL AND
DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH FRIDAY.

THERE WILL BE THE POSSIBILITY OF FROST OR FREEZING TEMPERATURES
SUNDAY MORNING AS COOL HIGH PRESSURE BUILDS INTO THE LOWER OHIO
VALLEY. THE NEXT CHANCE OF SHOWERS AND THUNDERSTORMS WILL BE NEXT
WEDNESDAY AND WEDNESDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUESTED LATE THIS AFTERNOON AND
TONIGHT. FOR THE LATEST INFORMATION ON THESE DEVELOPING STORMS
LISTEN TO NOAA WEATHER RADIO OR BROADCAST MEDIA. INFORMATION MAY
ALSO BE FOUND ON THE WEB AT WEATHER.GOV/LOUISVILLE.

--21

In the hours before

Local storm report, Apr 7, 5:08 PM EDT, 1 hour 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
508 PM EDT FRI APR 07 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0430 PM     HAIL             ORLEANS                 38.66N 86.45W
04/07/2006  M1.00 INCH       ORANGE             IN   BROADCAST MEDIA

&&

MAS
Local storm report, Apr 7, 5:25 PM EDT, 1 hour 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
525 PM EDT FRI APR 07 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0300 PM     HAIL             PIERCE                  37.18N 85.62W
04/07/2006  M1.75 INCH       GREEN              KY   TRAINED SPOTTER

&&

MAS
Local storm report, Apr 7, 5:38 PM EDT, 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
538 PM EDT FRI APR 07 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0410 PM     TSTM WND DMG     3 NW MADISON            38.79N 85.42W
04/07/2006                   JEFFERSON          IN   EMERGENCY MNGR

            BARN DESTROYED

&&

MAS
Local storm report, Apr 7, 6:01 PM EDT, 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
601 PM EDT FRI APR 07 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0601 PM     HAIL             JASPER                  38.39N 86.94W
04/07/2006  M1.00 INCH       DUBOIS             IN   AMATEUR RADIO

&&

MAS
Special weather statement, Apr 7, 6:19 PM EDT, 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
619 PM EDT FRI APR 7 2006

INZ076>079-083-084-089>092-072330-
ORANGE IN-WASHINGTON IN-SCOTT IN-JEFFERSON IN-DUBOIS IN-
CRAWFORD IN-PERRY IN-HARRISON IN-FLOYD IN-CLARK IN-
INCLUDING THE CITIES OF...PAOLI...SALEM...SCOTTSBURG...MADISON...
JASPER...MARENGO...TELL CITY...CORYDON...NEW ALBANY...
JEFFERSONVILLE
519 PM CDT FRI APR 7 2006 /619 PM EDT FRI APR 7 2006/

...TORNADO WATCH REMAINS IN EFFECT...

A BROKEN LINE OF STRONG TO SEVERE THUNDERSTORMS WILL CONTINUE
MOVING EAST SOUTHEAST AT 30 TO 40 MPH ACROSS SOUTHERN INDIANA.
THESE STORMS HAVE HAD A HISTORY OF PRODUCING LARGE HAIL AND
DAMAGING WINDS. THROUGH 7 PM EDT (6 PM CDT)...DUBOIS... ORANGE...
CRAWFORD... AND PERRY COUNTIES WILL HAVE THE HIGHEST THREAT OF
SEEING SEVERE WEATHER. STAY TUNED TO LOCAL MEDIA...OR NOAA WEATHER
RADIO...FOR POSSIBLE WARNINGS. TRAVELERS ON I-64 WEST OF ENGLISH
WILL ENCOUNTER THESE SEVERE STORMS

KYZ073>078-081-082-072330-
ALLEN KY-BARREN KY-MONROE KY-METCALFE KY-ADAIR KY-RUSSELL KY-
CUMBERLAND KY-CLINTON KY-
INCLUDING THE CITIES OF...SCOTTSVILLE...GLASGOW...TOMPKINSVILLE...
EDMONTON...COLUMBIA...JAMESTOWN...BURKESVILLE...ALBANY
519 PM CDT FRI APR 7 2006

...TORNADO WATCH REMAINS IN EFFECT...

CLUSTERS OF SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS FAR
SOUTHERN KENTUCKY. LOCATIONS IN MONROE... CUMBERLAND...AND
CLINTON COUNTIES HAVE THE BEST CHANCES OF SEEING STORMS THROUGH 6
PM CDT. THESE STORMS HAVE THE POTENTIAL TO BECOME SEVERE...
THEREFORE MONITOR LOCAL MEDIA OR NOAA WEATHER RADIO FOR POSSIBLE
WARNINGS.

CS
Local storm report, Apr 7, 6:31 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 1:12 PM EDTSevere Thunderstorm WarningLMKLogan33 min
Apr 7, 1:23 PM EDTSevere Thunderstorm WarningLMKOhio37 min
Apr 7, 1:29 PM EDTSevere Thunderstorm WarningLMKWarren31 min
Apr 7, 2:00 PM EDTSevere Thunderstorm WarningLMKWarren15 min
Apr 7, 2:00 PM EDTSevere Thunderstorm WarningLMKOhio15 min
Apr 7, 2:04 PM EDTSevere Thunderstorm WarningLMKEdmonson26 min
Apr 7, 2:10 PM EDTSevere Thunderstorm WarningLMKBreckinridge50 min
Apr 7, 2:27 PM EDTSevere Thunderstorm WarningLMKBarren, Hart48 min
Apr 7, 2:29 PM EDTSevere Thunderstorm WarningLMKLogan46 min
Apr 7, 2:34 PM EDTTornado WarningLMKBarren, Hart26 min
Apr 7, 2:44 PM EDTTornado WarningLMKGreen, Metcalfe34 min
Apr 7, 2:45 PM EDTTornado WarningLMKLogan30 min
Apr 7, 2:53 PM EDTSevere Thunderstorm WarningLMKMeade37 min
Apr 7, 2:55 PM EDTSevere Thunderstorm WarningLMKCasey35 min
Apr 7, 2:57 PM EDTTornado WarningLMKSimpson, Warren48 min
Apr 7, 3:00 PM EDTTornado WarningLMKTaylor45 min
Apr 7, 3:09 PM EDTTornado WarningLMKAdair36 min
Apr 7, 3:19 PM EDTTornado WarningLMKAllen27 min
Apr 7, 3:27 PM EDTTornado WarningLMKCasey33 min
Apr 7, 3:30 PM EDTSevere Thunderstorm WarningLMKLincoln36 min
Apr 7, 3:41 PM EDTSevere Thunderstorm WarningLMKMadison34 min
Apr 7, 3:46 PM EDTSevere Thunderstorm WarningLMKGarrard29 min
Apr 7, 3:56 PM EDTSevere Thunderstorm WarningLMKBarren34 min
Apr 7, 3:59 PM EDTSevere Thunderstorm WarningLMKTrimble46 min
Apr 7, 4:06 PM EDTSevere Thunderstorm WarningLMKMetcalfe24 min
Apr 7, 4:09 PM EDTTornado WarningLMKBarren, Metcalfe20 min
Apr 7, 4:33 PM EDTTornado WarningLMKMonroe22 min
Apr 7, 4:48 PM EDTTornado WarningLMKClinton, Cumberland27 min
Apr 7, 5:15 PM EDTTornado WarningLMKClinton15 min
Apr 7, 6:45 PM EDTSevere Thunderstorm WarningLMKCumberland, Monroe22 min
Apr 7, 7:10 PM EDTSevere Thunderstorm WarningLMKMeade35 min
Apr 7, 7:16 PM EDTSevere Thunderstorm WarningLMKJefferson44 min
Apr 7, 7:30 PM EDTTornado WarningLMKJefferson34 min
Apr 7, 7:43 PM EDTSevere Thunderstorm WarningLMKHancock42 min
Apr 7, 7:50 PM EDTSevere Thunderstorm WarningLMKOhio40 min
Apr 7, 7:51 PM EDTTornado WarningLMKBullitt, Spencer24 min
Apr 7, 3:20 PM EDTSevere Thunderstorm WarningLMKFloyd25 min
Apr 7, 3:32 PM EDTSevere Thunderstorm WarningLMKClark43 min
Apr 7, 3:42 PM EDTTornado WarningLMKClark33 min
Apr 7, 4:00 PM EDTSevere Thunderstorm WarningLMKOrange, Washington30 min
Apr 7, 4:12 PM EDTSevere Thunderstorm WarningLMKDubois33 min
Apr 7, 4:53 PM EDTSevere Thunderstorm WarningLMKDubois37 min
Apr 7, 4:57 PM EDTSevere Thunderstorm WarningLMKWashington18 min
Apr 7, 5:30 PM EDTSevere Thunderstorm WarningLMKDubois45 min
Apr 7, 6:20 PM EDTSevere Thunderstorm WarningLMKDubois25 min
Apr 7, 6:22 PM EDTSevere Thunderstorm WarningLMKCrawford, Perry38 min
Apr 7, 6:29 PM EDTTornado WarningLMKCrawford31 min
Apr 7, 6:39 PM EDTSevere Thunderstorm WarningLMKOrange25 min
Apr 7, 6:51 PM EDTSevere Thunderstorm WarningLMKHarrison54 min
Apr 7, 7:03 PM EDTTornado WarningLMKHarrison42 min
Apr 7, 7:13 PM EDTSevere Thunderstorm WarningLMKFloyd32 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2006Every severe thunderstorm warning in 2006

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; radar from the NEXRAD Level II archive.