Alert archive / Kentucky / Tornado Warnings in 2011

Tornado Warning 106, NWS Louisville, KY

June 22, 2011Jefferson County, Shelby County, Kentucky

NWS Louisville, KY issued this tornado warning at Jun 22, 2011, 9:50 PM EDT for Jefferson County, Shelby County, Kentucky. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 22, 2011, 9:50 PM EDT (01:50 UTC)
Expired
Jun 22, 2011, 10:15 PM EDT
In force
25 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon

Counties Jefferson County, KY, Shelby County, KY

The radar

The Louisville radar (KLVX), 59 km from the middle of the area, began a volume at 01:50 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.8 hours before the alert went out and 189 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 2011-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 517 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, Cncnati-Daytn, OH at 00:00Z on 2011-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 198 square meters per square second.1939587897Sfc1 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
517 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
895 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
198 m²/s²
0-3 km storm-relative helicity
258 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.9

Open this sounding in Storm Lab

The text

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

485 
WFUS53 KLMK 230150
TORLMK
KYC111-211-230215-
/O.NEW.KLMK.TO.W.0106.110623T0150Z-110623T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
950 PM EDT WED JUN 22 2011

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN JEFFERSON COUNTY IN NORTH CENTRAL KENTUCKY...
  WESTERN SHELBY COUNTY IN NORTH CENTRAL KENTUCKY...

* UNTIL 1015 PM EDT...

* AT 945 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR CONNER...MOVING EAST AT 30 MPH.

* THIS TORNADIC STORM WILL ALSO IMPACT...
  CONNER...
  SIMPSONVILLE AND MONTCLAIR...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A VEHICLE OR OUTDOORS...MOVE TO
THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING
DEBRIS.

TO REPORT DAMAGING WINDS...LARGE HAIL...OR FLOODING TO THE NATIONAL
WEATHER SERVICE...CALL TOLL FREE AT...1...8 7 7...6 3 3...6 7 7 2...
WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 3820 8532 3820 8545 3826 8550 3831 8538
      3830 8537 3831 8536 3831 8535
TIME...MOT...LOC 0150Z 259DEG 24KT 3823 8544

$$

EER
1 follow-up statement
027 
WWUS53 KLMK 230210
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1010 PM EDT WED JUN 22 2011

KYC111-211-230220-
/O.EXP.KLMK.TO.W.0106.000000T0000Z-110623T0215Z/
JEFFERSON KY-SHELBY KY-
1010 PM EDT WED JUN 22 2011

...THE TORNADO WARNING FOR WESTERN SHELBY AND EASTERN JEFFERSON
COUNTIES WILL EXPIRE AT 1015 PM EDT...

THE STORMS THAT PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED 
AREA AND HAVE WEAKENED.

TO REPORT DAMAGING WINDS...LARGE HAIL...OR FLOODING TO THE NATIONAL
WEATHER SERVICE...CALL TOLL FREE AT...1...8 7 7...6 3 3...6 7 7 2...
WHEN YOU CAN DO SO SAFELY.

LAT...LON 3820 8532 3820 8545 3826 8550 3831 8538
      3830 8537 3831 8536 3831 8535
TIME...MOT...LOC 0210Z 259DEG 24KT 3825 8527

$$

EER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 8:03 PM EDTTornado WarningLMKJefferson27 min
Jun 22, 8:25 PM EDTTornado WarningLMKJefferson, Oldham20 min
Jun 22, 8:43 PM EDTSevere Thunderstorm WarningLMKJefferson32 min
Jun 22, 8:43 PM EDTTornado WarningLMKJefferson, Oldham, Shelby32 min
Jun 22, 9:01 PM EDTTornado WarningLMKJefferson14 min
Jun 22, 9:11 PM EDTTornado WarningLMKHenry, Shelby34 min
Jun 22, 9:13 PM EDTTornado WarningLMKJefferson, Oldham, Shelby32 min
Jun 22, 9:31 PM EDTTornado WarningLMKJefferson29 min
Jun 22, 9:39 PM EDTTornado WarningLMKMeade36 min
Jun 22, 9:40 PM EDTAreal Flood AdvisoryLMKHenry, Jefferson, Oldham, Shelby3 hr
Jun 22, 9:42 PM EDTTornado WarningLMKShelby33 min
Jun 22, 10:06 PM EDTSevere Thunderstorm WarningLMKBullitt, Hardin, Jefferson, Meade24 min
Jun 22, 10:11 PM EDTSpecial Weather StatementLMKShelby34 min
Jun 22, 10:18 PM EDTFlash Flood WarningLMKHenry, Jefferson, Oldham, Shelby3 hr
Jun 22, 10:32 PM EDTSpecial Weather StatementLMKBullitt28 min
Jun 23, 3:05 AM EDTSpecial Weather StatementLMKJefferson, Oldham25 min
Jun 23, 3:34 AM EDTSpecial Weather StatementLMKHenry, Jefferson, Oldham, Shelby26 min
Jun 23, 3:46 AM EDTSpecial Weather StatementLMKBullitt29 min
Jun 23, 12:36 PM EDTTornado WarningLMKAnderson, Woodford24 min
Jun 23, 12:54 PM EDTSpecial Weather StatementLMKFayette36 min
Jun 23, 1:10 PM EDTTornado WarningLMKBourbon, Clark, Fayette35 min
Jun 23, 1:40 PM EDTTornado WarningLMKBourbon, Clark20 min
Jun 23, 2:09 PM EDTSpecial Weather StatementLMKFayette21 min
Jun 23, 2:13 PM EDTSpecial Weather StatementLMKMercer32 min
Jun 23, 2:56 PM EDTSpecial Weather StatementLMKGarrard, Madison34 min
Jun 23, 5:01 PM EDTSpecial Weather StatementLMKMadison29 min
Jun 23, 5:43 PM EDTSpecial Weather StatementLMKLincoln32 min
Jun 23, 6:54 PM EDTSpecial Weather StatementLMKRussell21 min
Jun 23, 7:08 PM EDTSpecial Weather StatementLMKMadison22 min

Nearby

Tornado Warnings in Kentucky, 2011Every tornado warning in 2011Tornadoes in 2011

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.