Alert archive / Kentucky / Flash Flood Warnings in 2011

Flash Flood Warning 55, NWS Louisville, KY

July 12, 20114 counties in Kentucky

NWS Louisville, KY issued this flash flood warning at Jul 12, 2011, 4:47 PM EDT for 4 counties in Kentucky. It was in force for 2 hr. 3 reports 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
Jul 12, 2011, 4:47 PM EDT (20:47 UTC)
Expired
Jul 12, 2011, 6:48 PM EDT
In force
2 hr
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Flood severity
None

Counties Bullitt County, KY, Hardin County, KY, Meade County, KY, Nelson County, KY

The radar

The Louisville radar (KLVX), 7 km from the middle of the area, began a volume at 20:50 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.

What was reported inside it

TimeReportWhereRemark
Jul 12, 5:25 PM EDTFLASH FLOODFlaherty, KYWATER REPORTED OVER HIGHWAY 144 FLAHERTY RD JUST OUTSIDE OF FLAHERTY
Jul 12, 5:47 PM EDTFLASH FLOODShepherdsville, KYTWO TO THREE FEET OF WATER REPORTED BETWEEN WALGREENS AND BIG-O TIRE ON N BUCKMAN ST.
Jul 12, 6:50 PM EDTHEAVY RAIN 4.122 S Brooks, KYALSO REPORTS DEAD TREES HAVING FLOATED DOWN A SWELLING CREEK AND HAS SINCE RECEEDED.

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

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 8.8 hours before the alert went out and 215 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, Nashville Metro, TN at 12:00Z on 2011-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2386 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, Nashville Metro, TN at 12:00Z on 2011-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 square meters per square second.1939Sfc1 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
2386 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
1325 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

617 
WGUS53 KLMK 122047
FFWLMK
KYC029-093-163-179-130045-
/O.NEW.KLMK.FF.W.0055.110712T2047Z-110713T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
447 PM EDT TUE JUL 12 2011

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BULLITT COUNTY IN NORTH CENTRAL KENTUCKY...
  NORTHERN HARDIN COUNTY IN NORTH CENTRAL KENTUCKY...
  SOUTHEASTERN MEADE COUNTY IN NORTH CENTRAL KENTUCKY...  
  WESTERN NELSON COUNTY IN NORTH CENTRAL KENTUCKY...

* UNTIL 845 PM EDT

* AT 438 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
THAT OVER TWO INCHES OF RAIN HAS FALLEN FROM A LARGE AREA OF HEAVY 
THUNDERSTORMS TRAINING OVER THE SAME AREAS.

* LOCATIONS IMPACTED INCLUDE...BARDSTOWN...BRANDENBURG...            
  SHEPHERDSVILLE...FORT KNOX.

  IN ADDITION...HEBRON ESTATES...FOX CHASE AND SMITHVILLE ARE
  INCLUDED IN THIS FLASH FLOOD WARNING.

ADDITIONAL RAINFALL AMOUNTS OF UP TO TWO MORE INCHES ARE POSSIBLE IN 
THE WARNED AREA AS MORE HEAVY THUNDERSTORMS PRODUCING TORRENTIAL 
RAIN MOVE INTO THE AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS 
SAFELY. MOVE TO HIGHER GROUND.

TO REPORT 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 3801 8621 3801 8611 3796 8604 3800 8602
      3800 8594 3804 8588 3805 8584 3808 8562
      3807 8556 3810 8547 3801 8551 3796 8543
      3778 8537 3777 8617 3780 8615 3787 8623

$$

AL
1 follow-up statement
264 
WGUS73 KLMK 122248
FFSLMK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
648 PM EDT TUE JUL 12 2011

KYC029-093-163-179-122258-
/O.CAN.KLMK.FF.W.0055.000000T0000Z-110713T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MEADE KY-NELSON KY-BULLITT KY-HARDIN KY-
648 PM EDT TUE JUL 12 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHERN HARDIN...
BULLITT...NORTHWESTERN NELSON AND SOUTHEASTERN MEADE COUNTIES...

THE HEAVY THUNDERSTORMS FROM EARLIER THAT PROMPTED THE FLASH FLOOD 
WARNING HAVE GREATLY WEAKENED. ALTHOUGH STORMS REMAIN IN THE 
AREA...THE IMMEDIATE THREAT OF FLASH FLOODING HAS ENDED AND THUS THE 
WARNING HAS BEEN CANCELLED.

LAT...LON 3801 8621 3801 8611 3796 8604 3800 8602
      3800 8594 3804 8588 3805 8584 3808 8562
      3807 8556 3810 8547 3801 8551 3796 8543
      3778 8537 3777 8617 3780 8615 3787 8623

$$

AL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 3:13 AM EDTExcessive Heat WarningLMKAllen, Anderson, Barren, Boyle, Breckinridge, Bullitt and 27 more16 hr
Jul 12, 7:46 AM EDTSpecial Weather StatementLMKClinton29 min
Jul 12, 8:18 AM EDTSpecial Weather StatementLMKClinton27 min
Jul 12, 1:07 PM EDTSpecial Weather StatementLMKAdair23 min
Jul 12, 1:20 PM EDTSpecial Weather StatementLMKCumberland, Monroe40 min
Jul 12, 1:36 PM EDTAreal Flood AdvisoryLMKAdair, Casey, Marion, Taylor114 min
Jul 12, 1:48 PM EDTSevere Thunderstorm WarningLMKMonroe27 min
Jul 12, 1:51 PM EDTSevere Thunderstorm WarningLMKBarren, Metcalfe24 min
Jul 12, 1:57 PM EDTSpecial Weather StatementLMKAllen33 min
Jul 12, 2:04 PM EDTSevere Thunderstorm WarningLMKAllen, Warren26 min
Jul 12, 2:05 PM EDTAreal Flood AdvisoryLMKAdair, Allen, Barren, Cumberland, Green, Hart and 2 more3 hr
Jul 12, 2:19 PM EDTAreal Flood AdvisoryLMKAllen, Barren, Warren3 hr
Jul 12, 2:32 PM EDTFlash Flood WarningLMKAllen, Warren106 min
Jul 12, 3:00 PM EDTFlash Flood WarningLMKBarren, Green, Hart, Metcalfe3 hr
Jul 12, 3:09 PM EDTAreal Flood AdvisoryLMKBarren, Hart3 hr
Jul 12, 3:13 PM EDTFlash Flood WarningLMKAllen, Barren3 hr
Jul 12, 3:14 PM EDTSevere Thunderstorm WarningLMKBreckinridge, Grayson, Ohio31 min
Jul 12, 3:22 PM EDTAreal Flood AdvisoryLMKBourbon, Clark, Fayette, Jessamine, Madison3 hr
Jul 12, 3:27 PM EDTSevere Thunderstorm WarningLMKGrayson, Hart33 min
Jul 12, 3:35 PM EDTAreal Flood AdvisoryLMKGrayson, Hardin, Hart, Larue, Nelson3 hr
Jul 12, 3:44 PM EDTFlash Flood WarningLMKJessamine113 min
Jul 12, 3:46 PM EDTSevere Thunderstorm WarningLMKHardin29 min
Jul 12, 3:51 PM EDTSevere Thunderstorm WarningLMKAnderson, Mercer24 min
Jul 12, 3:53 PM EDTAreal Flood AdvisoryLMKBreckinridge, Bullitt, Butler, Edmonson, Grayson, Hardin and 5 more3 hr
Jul 12, 3:59 PM EDTAreal Flood AdvisoryLMKBreckinridge, Bullitt, Jefferson, Meade3 hr
Jul 12, 3:59 PM EDTSevere Thunderstorm WarningLMKMeade31 min
Jul 12, 4:02 PM EDTAreal Flood AdvisoryLMKAnderson, Bullitt, Fayette, Franklin, Jefferson, Jessamine and 6 more3 hr
Jul 12, 4:09 PM EDTFlash Flood WarningLMKBourbon, Clark, Fayette88 min
Jul 12, 4:23 PM EDTFlash Flood WarningLMKMeade3 hr
Jul 12, 4:37 PM EDTSevere Thunderstorm WarningLMKBreckinridge, Meade23 min
Jul 12, 4:58 PM EDTFlash Flood WarningLMKAnderson, Nelson, Spencer, Washington109 min
Jul 12, 5:04 PM EDTSpecial Weather StatementLMKJefferson26 min
Jul 12, 5:09 PM EDTAreal Flood AdvisoryLMKBreckinridge, Hancock, Ohio98 min
Jul 12, 5:16 PM EDTFlash Flood WarningLMKJefferson, Shelby, Spencer93 min
Jul 12, 5:18 PM EDTSevere Thunderstorm WarningLMKJefferson, Shelby16 min
Jul 12, 6:02 PM EDTAreal Flood AdvisoryLMKFranklin, Henry, Shelby3 hr
Jul 12, 6:52 PM EDTAreal Flood AdvisoryLMKAnderson, Bullitt, Franklin, Hardin, Jefferson, Meade and 6 more53 min

Nearby

Flash Flood Warnings in Kentucky, 2011Every flash flood warning 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.