Alert archive / Kentucky / Flash Flood Warnings in 2011

Flash Flood Warning 56, NWS Louisville, KY

July 12, 20114 counties in Kentucky

NWS Louisville, KY issued this flash flood warning at Jul 12, 2011, 4:58 PM EDT for 4 counties in Kentucky. It was in force for 109 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
Jul 12, 2011, 4:58 PM EDT (20:58 UTC)
Expired
Jul 12, 2011, 6:47 PM EDT
In force
109 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Flood severity
None

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

The radar

The Louisville radar (KLVX), 66 km from the middle of the area, began a volume at 21:01 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, 5:34 PM EDTFLASH FLOODTaylorsville, KY2 ROADS CLOSED IN TAYLORSVILLE DUE TO FLOODINS

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

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.0 hours before the alert went out and 204 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 2011-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1093 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 12:00Z on 2011-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.193958Sfc1 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
1093 J/kg
Mixed-layer CIN
-119 J/kg
Mixed-layer LCL
894 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

387 
WGUS53 KLMK 122058
FFWLMK
KYC005-179-215-229-130000-
/O.NEW.KLMK.FF.W.0056.110712T2058Z-110713T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

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

* UNTIL 800 PM EDT

* AT 455 PM EDT...DOPPLER RADAR INDICATED TORRENTIAL RAINFALL FROM 
SLOW MOVING THUNDERSTORMS OVER THE WARNED AREA.  THIS RAINFALL WILL 
LIKELY CAUSE FLASH FLOODING.

* LOCATIONS IMPACTED INCLUDE...TAYLORSVILLE...

  IN ADDITION...FAIRFIELD...YODER AND WAYSIDE ARE INCLUDED IN THIS
  FLASH FLOOD WARNING.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3805 8514 3804 8511 3804 8504 3789 8502
      3788 8503 3786 8501 3779 8500 3776 8501
      3778 8537 3796 8543 3801 8551 3809 8547
      3810 8547

$$

AMS
2 follow-up statements
676 
WGUS73 KLMK 122149
FFSLMK

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

KYC005-179-215-229-130000-
/O.CON.KLMK.FF.W.0056.000000T0000Z-110713T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NELSON KY-SPENCER KY-WASHINGTON KY-ANDERSON KY-
549 PM EDT TUE JUL 12 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR
SOUTHWESTERN ANDERSON...NORTHERN WASHINGTON...SPENCER AND
NORTHEASTERN NELSON COUNTIES...

AT 542 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORM PRODUCING OVER THE WARNED AREA. LAW 
ENFORCEMENT REPORTED AT LEAST TWO ROADS CLOSED IN TAYLORSVILLE DUE 
TO HIGH WATER. 

ALTHOUGH RAINFALL RATES HAVE DIMINISHED A BIT OVER THE LAST 15 TO 30 
MINUTES OVER THE WARNED AREA...ADDITIONAL RAINFALL STILL COULD 
CREATE MORE FLOOD PROBLEMS. 

* LOCATIONS IMPACTED INCLUDE...
  TAYLORSVILLE...

  IN ADDITION...YODER...WAYSIDE AND WAKEFIELD ARE INCLUDED IN THIS
  FLASH FLOOD WARNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 IF NECESSARY.

&&

LAT...LON 3805 8514 3804 8511 3804 8504 3789 8502
      3788 8503 3786 8501 3779 8500 3776 8501
      3778 8537 3796 8543 3801 8551 3809 8547
      3810 8547

$$

TWF
425 
WGUS73 KLMK 122247
FFSLMK

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

KYC005-179-215-229-122256-
/O.CAN.KLMK.FF.W.0056.000000T0000Z-110713T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NELSON KY-SPENCER KY-WASHINGTON KY-ANDERSON KY-
647 PM EDT TUE JUL 12 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHWESTERN
ANDERSON...NORTHERN WASHINGTON...SPENCER AND NORTHEASTERN NELSON
COUNTIES...

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

LAT...LON 3805 8514 3804 8511 3804 8504 3789 8502
      3788 8503 3786 8501 3779 8500 3776 8501
      3778 8537 3796 8543 3801 8551 3809 8547
      3810 8547

$$

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, 4:47 PM EDTFlash Flood WarningLMKBullitt, Hardin, Meade, Nelson2 hr
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.