Alert archive / Kentucky / Tornado Warnings in 2011

Tornado Warning 78, NWS Louisville, KY

April 26, 20114 counties in Kentucky

NWS Louisville, KY issued this tornado warning at Apr 26, 2011, 10:32 PM EDT for 4 counties in Kentucky. It was in force for 28 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 26, 2011, 10:32 PM EDT (02:32 UTC)
Expired
Apr 26, 2011, 11:00 PM EDT
In force
28 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon

Counties Anderson County, KY, Nelson County, KY, Spencer County, KY, Washington County, KY

The radar

The Louisville radar (KLVX), 65 km from the middle of the area, began a volume at 02:35 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.

What was reported inside it

TimeReportWhereRemark
Apr 26, 10:50 PM EDTHAIL 0.883 Nne Chaplin, KYJUST UNDER QUARTER SIZE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 26, 5:50 PM EDTTornado WatchSPC5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.5 hours before the alert went out and 206 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 2011-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 781 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 2011-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 255 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
781 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
622 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
255 m²/s²
0-3 km storm-relative helicity
275 m²/s²
Significant tornado parameter
1.2
Supercell composite
4.7

Open this sounding in Storm Lab

The text

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

250 
WFUS53 KLMK 270232
TORLMK
KYC005-179-215-229-270300-
/O.NEW.KLMK.TO.W.0078.110427T0232Z-110427T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1032 PM EDT TUE APR 26 2011

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN ANDERSON COUNTY IN EAST CENTRAL KENTUCKY...
  NORTHEASTERN NELSON COUNTY IN NORTH CENTRAL KENTUCKY...
  SOUTHEASTERN SPENCER COUNTY IN NORTH CENTRAL KENTUCKY...
  NORTHERN WASHINGTON COUNTY IN NORTH CENTRAL KENTUCKY...

* UNTIL 1100 PM EDT...

* AT 1030 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR MAUD...MOVING NORTHEAST AT 30 MPH.

* THIS TORNADIC STORM WILL ALSO IMPACT...
  CHAPLIN...
  SPARROW AND VAN BUREN...
  KLONDYKE AND JOHNSONVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! TORNADOES AT NIGHT CAN BE EXTREMELY DANGEROUS. DO NOT
WAIT UNTIL YOU SEE OR HEAR THE TORNADO. IT MAY BE TOO LATE.

&&

LAT...LON 3804 8516 3790 8502 3781 8531 3790 8535
TIME...MOT...LOC 0232Z 236DEG 26KT 3787 8529

$$

13
4 follow-up statements
684 
WWUS53 KLMK 270238
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1038 PM EDT TUE APR 26 2011

KYC005-179-215-229-270300-
/O.CON.KLMK.TO.W.0078.000000T0000Z-110427T0300Z/
SPENCER KY-ANDERSON KY-NELSON KY-WASHINGTON KY-
1038 PM EDT TUE APR 26 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT FOR NORTHERN
WASHINGTON...NORTHEASTERN NELSON...SOUTHWESTERN ANDERSON AND
SOUTHEASTERN SPENCER COUNTIES...

AT 1035 PM EDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE 
A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS POTENTIAL TORNADO 
WAS LOCATED 4 MILES SOUTHWEST OF CHAPLIN ON THE BLUE GRASS PARKWAY 
NEAR EXIT 34...MOVING NORTHEAST AT 30 MPH.

* THE TORNADO WILL ALSO IMPACT...
  SPARROW AND VAN BUREN...
  KLONDYKE AND JOHNSONVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT...EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.

&&

LAT...LON 3784 8529 3792 8532 3804 8516 3790 8502
TIME...MOT...LOC 0237Z 236DEG 26KT 3789 8525

$$

13
215 
WWUS53 KLMK 270243
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1043 PM EDT TUE APR 26 2011

KYC229-270252-
/O.CAN.KLMK.TO.W.0078.000000T0000Z-110427T0300Z/
WASHINGTON KY-
1043 PM EDT TUE APR 26 2011

...THE TORNADO WARNING FOR NORTHERN WASHINGTON COUNTY IS CANCELLED...

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.

THE STORM THAT PROMPTED THE WARNING SHOULD STAY JUST NORTH OF 
WASHINGTON COUNTY.

LAT...LON 3790 8502 3788 8512 3791 8512 3789 8515
      3789 8517 3790 8521 3787 8521 3787 8525
      3794 8529 3804 8516
TIME...MOT...LOC 0242Z 239DEG 26KT 3790 8521

$$

KYC005-179-215-270300-
/O.CON.KLMK.TO.W.0078.000000T0000Z-110427T0300Z/
SPENCER KY-ANDERSON KY-NELSON KY-
1043 PM EDT TUE APR 26 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT FOR
NORTHEASTERN NELSON...SOUTHWESTERN ANDERSON AND SOUTHEASTERN SPENCER
COUNTIES...

AT 1039 PM EDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE 
A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS POTENTIAL TORNADO 
WAS LOCATED NEAR CHAPLIN ABOUT A MILE NORTH OF THE BLUE GRASS 
PARKWAY...MOVING NORTHEAST AT 30 MPH.

* THE TORNADO WILL ALSO IMPACT...
  SPARROW AND VAN BUREN...
  KLONDYKE AND JOHNSONVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT...EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.

&&

LAT...LON 3790 8502 3788 8512 3791 8512 3789 8515
      3789 8517 3790 8521 3787 8521 3787 8525
      3794 8529 3804 8516
TIME...MOT...LOC 0242Z 239DEG 26KT 3790 8521

$$

13
374 
WWUS53 KLMK 270248
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1048 PM EDT TUE APR 26 2011

KYC005-179-215-270300-
/O.CON.KLMK.TO.W.0078.000000T0000Z-110427T0300Z/
SPENCER KY-ANDERSON KY-NELSON KY-
1048 PM EDT TUE APR 26 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT FOR
NORTHEASTERN NELSON...SOUTHWESTERN ANDERSON AND SOUTHEASTERN SPENCER
COUNTIES...

AT 1044 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS POSSIBLE 
TORNADO WAS LOCATED 4 MILES NORTH OF CHAPLIN...MOVING NORTHEAST AT 
30 MPH.

* THE TORNADO WILL ALSO IMPACT...
  VAN BUREN AND JOHNSONVILLE...

LARGE HAIL TO THE SIZE OF GOLF BALLS WILL ALSO BE POSSIBLE WITH THIS 
STORM...ESPECIALLY IN THE VAN BUREN AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AT NIGHT. TAKE COVER NOW!

&&

LAT...LON 3794 8509 3793 8512 3791 8514 3790 8521
      3791 8522 3791 8524 3797 8525 3804 8516
      3795 8507
TIME...MOT...LOC 0247Z 229DEG 25KT 3794 8520

$$

13
018 
WWUS53 KLMK 270300
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1100 PM EDT TUE APR 26 2011

KYC005-179-215-270310-
/O.EXP.KLMK.TO.W.0078.000000T0000Z-110427T0300Z/
SPENCER KY-ANDERSON KY-NELSON KY-
1100 PM EDT TUE APR 26 2011

...THE TORNADO WARNING FOR NORTHEASTERN NELSON...SOUTHWESTERN
ANDERSON AND SOUTHEASTERN SPENCER COUNTIES HAS EXPIRED...

THE STORM THAT PROMPTED THE WARNING MOVED TO THE NORTHEAST OUT OF 
THE WARNED AREA.

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 3794 8509 3793 8512 3791 8514 3790 8521
      3791 8522 3791 8524 3797 8525 3804 8516
      3795 8507
TIME...MOT...LOC 0300Z 229DEG 25KT 3800 8511

$$

13

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 8:08 PM EDTTornado WarningLMKBreckinridge, Grayson, Hardin22 min
Apr 26, 8:27 PM EDTTornado WarningLMKGrayson, Hardin33 min
Apr 26, 8:48 PM EDTTornado WarningLMKHardin, Larue, Nelson27 min
Apr 26, 9:16 PM EDTTornado WarningLMKHardin, Larue, Nelson29 min
Apr 26, 9:46 PM EDTSpecial Weather StatementLMKNelson29 min
Apr 26, 10:20 PM EDTSevere Thunderstorm WarningLMKNelson, Spencer14 min
Apr 26, 10:23 PM EDTSpecial Weather StatementLMKOhio37 min
Apr 26, 10:56 PM EDTSevere Thunderstorm WarningLMKAnderson, Franklin, Shelby, Spencer34 min
Apr 26, 10:56 PM EDTTornado WarningLMKOhio34 min
Apr 26, 11:20 PM EDTSevere Thunderstorm WarningLMKShelby, Spencer40 min
Apr 26, 11:23 PM EDTSpecial Weather StatementLMKOhio37 min
Apr 26, 11:25 PM EDTSpecial Weather StatementLMKFranklin35 min
Apr 26, 11:31 PM EDTSevere Thunderstorm WarningLMKOhio29 min
Apr 26, 11:39 PM EDTAreal Flood WarningLMKBreckinridge, Bullitt, Grayson, Hancock, Hardin, Henry and 7 more10 hr
Apr 26, 11:44 PM EDTSpecial Weather StatementLMKGrayson31 min
Apr 26, 11:47 PM EDTSpecial Weather StatementLMKOhio28 min
Apr 26, 11:49 PM EDTSevere Thunderstorm WarningLMKBreckinridge, Edmonson, Grayson26 min
Apr 26, 11:54 PM EDTSpecial Weather StatementLMKHancock36 min
Apr 26, 11:59 PM EDTSpecial Weather StatementLMKShelby31 min
Apr 27, 12:02 AM EDTSevere Thunderstorm WarningLMKBreckinridge, Hancock, Ohio28 min
Apr 27, 12:13 AM EDTFlash Flood WarningLMKHancock, Ohio9 hr
Apr 27, 12:13 AM EDTSpecial Weather StatementLMKOhio32 min
Apr 27, 12:17 AM EDTSevere Thunderstorm WarningLMKBreckinridge, Grayson28 min
Apr 27, 12:23 AM EDTSevere Thunderstorm WarningLMKHenry37 min
Apr 27, 12:24 AM EDTSpecial Weather StatementLMKBreckinridge, Grayson, Hardin, Meade36 min
Apr 27, 12:32 AM EDTFlash Flood WarningLMKBreckinridge, Grayson, Hardin, Meade9 hr
Apr 27, 12:41 AM EDTSevere Thunderstorm WarningLMKButler, Logan34 min
Apr 27, 12:55 AM EDTSpecial Weather StatementLMKBreckinridge, Hardin, Meade35 min
Apr 27, 1:06 AM EDTSpecial Weather StatementLMKLogan24 min
Apr 27, 1:15 AM EDTSevere Thunderstorm WarningLMKButler, Logan30 min
Apr 27, 1:25 AM EDTSpecial Weather StatementLMKJefferson35 min
Apr 27, 1:34 AM EDTFlash Flood WarningLMKBullitt, Hardin, Jefferson, Oldham, Trimble3 hr
Apr 27, 1:38 AM EDTFlash Flood WarningLMKButler, Edmonson, Logan, Simpson, Warren3 hr
Apr 27, 1:41 AM EDTSpecial Weather StatementLMKButler, Grayson, Logan34 min
Apr 27, 1:58 AM EDTSpecial Weather StatementLMKEdmonson, Warren32 min
Apr 27, 2:23 AM EDTSevere Thunderstorm WarningLMKEdmonson, Grayson, Hardin22 min
Apr 27, 2:43 AM EDTSpecial Weather StatementLMKHardin32 min
Apr 27, 2:49 AM EDTSevere Thunderstorm WarningLMKButler, Logan, Ohio41 min
Apr 27, 3:07 AM EDTSpecial Weather StatementLMKGrayson, Warren23 min
Apr 27, 3:20 AM EDTSpecial Weather StatementLMKLogan25 min
Apr 27, 3:35 AM EDTSpecial Weather StatementLMKButler, Hancock, Ohio25 min
Apr 27, 4:15 AM EDTSpecial Weather StatementLMKAllen, Edmonson, Grayson, Hardin, Meade, Warren60 min
Apr 27, 4:24 AM EDTFlash Flood WarningLMKBullitt, Jefferson, Oldham, Trimble5 hr
Apr 27, 4:27 AM EDTFlash Flood WarningLMKButler, Edmonson, Logan, Simpson, Warren5 hr
Apr 27, 5:45 AM EDTSpecial Weather StatementLMKOldham, Shelby, Spencer, Trimble45 min
Apr 27, 6:06 AM EDTTornado WarningLMKHenry, Oldham, Shelby, Trimble24 min
Apr 27, 6:12 AM EDTSpecial Weather StatementLMKSimpson, Warren33 min
Apr 27, 6:27 AM EDTSpecial Weather StatementLMKAllen33 min
Apr 27, 6:37 AM EDTSevere Thunderstorm WarningLMKAllen, Barren, Edmonson, Hart, Warren23 min
Apr 27, 7:00 AM EDTSevere Thunderstorm WarningLMKBarren, Green, Hart30 min
Apr 27, 7:19 AM EDTSpecial Weather StatementLMKNelson, Shelby, Spencer26 min
Apr 27, 7:32 AM EDTSpecial Weather StatementLMKMonroe28 min
Apr 27, 7:44 AM EDTSevere Thunderstorm WarningLMKAdair, Cumberland, Green, Metcalfe, Monroe, Russell31 min
Apr 27, 7:48 AM EDTSevere Thunderstorm WarningLMKAnderson, Franklin, Henry, Shelby27 min
Apr 27, 7:52 AM EDTSevere Thunderstorm WarningLMKCumberland, Monroe30 min
Apr 27, 7:53 AM EDTSevere Thunderstorm WarningLMKAnderson, Mercer, Washington22 min
Apr 27, 7:56 AM EDTTornado WarningLMKFranklin, Henry, Shelby19 min
Apr 27, 8:08 AM EDTSevere Thunderstorm WarningLMKClinton, Cumberland, Russell37 min
Apr 27, 8:11 AM EDTSevere Thunderstorm WarningLMKAdair, Casey, Cumberland, Metcalfe, Russell, Taylor34 min
Apr 27, 8:12 AM EDTSevere Thunderstorm WarningLMKAnderson, Franklin, Harrison, Scott, Woodford33 min
Apr 27, 8:24 AM EDTTornado WarningLMKAnderson, Boyle, Fayette, Jessamine, Mercer, Woodford36 min
Apr 27, 8:31 AM EDTTornado WarningLMKClinton14 min
Apr 27, 8:33 AM EDTSevere Thunderstorm WarningLMKRussell12 min
Apr 27, 8:40 AM EDTTornado WarningLMKAdair, Casey, Russell35 min
Apr 27, 8:45 AM EDTSevere Thunderstorm WarningLMKBourbon, Harrison, Scott30 min
Apr 27, 8:51 AM EDTTornado WarningLMKCasey, Garrard, Lincoln24 min
Apr 27, 8:52 AM EDTTornado WarningLMKBourbon, Fayette, Harrison, Scott, Woodford23 min
Apr 27, 9:02 AM EDTSevere Thunderstorm WarningLMKGarrard, Lincoln28 min
Apr 27, 9:12 AM EDTTornado WarningLMKClark, Fayette, Garrard, Jessamine, Lincoln, Madison33 min
Apr 27, 9:15 AM EDTSevere Thunderstorm WarningLMKBourbon, Harrison, Nicholas30 min
Apr 27, 9:21 AM EDTSevere Thunderstorm WarningLMKGarrard, Lincoln, Madison24 min
Apr 27, 9:23 AM EDTAreal Flood WarningLMKBreckinridge, Bullitt, Butler, Edmonson, Grayson, Hancock and 9 more12 hr
Apr 27, 9:40 AM EDTSevere Thunderstorm WarningLMKBourbon, Clark, Fayette, Madison, Nicholas35 min
Apr 27, 11:19 AM EDTRiver Flood WarningLMKWarren36 hr
Apr 27, 11:19 AM EDTRiver Flood WarningLMKWarren36 hr
Apr 27, 11:19 AM EDTRiver Flood WarningLMKHart36 hr
Apr 27, 11:19 AM EDTRiver Flood WarningLMKEdmonson4 days
Apr 27, 11:41 AM EDTRiver Flood WarningLMKNicholas, Robertson25 hr
Apr 27, 5:13 PM EDTSpecial Weather StatementLMKButler, Logan, Warren32 min
Apr 27, 5:28 PM EDTSevere Thunderstorm WarningLMKButler, Edmonson, Grayson, Warren32 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.