Alert archive / Kentucky / Flash Flood Warnings in 2011

Flash Flood Warning 57, NWS Louisville, KY

July 12, 2011Jefferson County, Shelby County, Spencer County, Kentucky

NWS Louisville, KY issued this flash flood warning at Jul 12, 2011, 5:16 PM EDT for Jefferson County, Shelby County, Spencer County, Kentucky. It was in force for 93 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, 5:16 PM EDT (21:16 UTC)
Expired
Jul 12, 2011, 6:49 PM EDT
In force
93 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Flood severity
None

Counties Jefferson County, KY, Shelby County, KY, Spencer County, KY

The radar

The Louisville radar (KLVX), 39 km from the middle of the area, began a volume at 21:19 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, 6:34 PM EDTFLASH FLOODFairdale, KYWATER REPORTED OVER MT. HOLLY ROAD IN FAIRDALE

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, 9.3 hours before the alert went out and 209 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.

914 
WGUS53 KLMK 122116
FFWLMK
KYC111-211-215-130015-
/O.NEW.KLMK.FF.W.0057.110712T2116Z-110713T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JEFFERSON COUNTY IN NORTH CENTRAL KENTUCKY...
  THIS INCLUDES THE CITY OF LOUISVILLE...
  SHELBY COUNTY IN NORTH CENTRAL KENTUCKY...  
  NORTHERN SPENCER COUNTY IN NORTH CENTRAL KENTUCKY...

* UNTIL 815 PM EDT

* AT 510 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  HEAVY THUNDERSTORMS PRODUCING OVER TWO INCHES OF RAIN OVER THE     
  PAST HOUR AS THEY TRAIN OVER THE SAME AREAS...POTENTIALLY CAUSING  
  FLASH FLOODING.

* LOCATIONS IMPACTED INCLUDE...MIDDLETOWN...SHELBYVILLE...HIGHVIEW...
  ANCHORAGE...FAIRDALE...

  IN ADDITION...LOUISVILLE BOWMAN FIELD...LOUISVILLE INTERNATIONAL   
  AIRPORT...AND FISHERVILLE ARE INCLUDED IN THIS FLASH FLOOD         
  WARNING. BE ESPECIALLY CAUTIOUS NEAR THE U OF L CAMPUS FROM        
  ALREADY FLOODED ROADWAYS FROM YESTERDAY/S WATER MAIN BREAK.

ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE IN THE 
WARNED AREA OVER THE NEXT HOUR OR TWO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

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 3818 8501 3804 8508 3810 8544 3811 8543
      3811 8545 3810 8548 3809 8572 3804 8588
      3802 8593 3809 8590 3818 8589 3827 8581
      3828 8559

$$

AL
1 follow-up statement
680 
WGUS73 KLMK 122249
FFSLMK

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

KYC111-211-215-122259-
/O.CAN.KLMK.FF.W.0057.000000T0000Z-110713T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JEFFERSON KY-SHELBY KY-SPENCER KY-
649 PM EDT TUE JUL 12 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHERN SPENCER...
SOUTHERN SHELBY AND JEFFERSON 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 3818 8501 3804 8508 3810 8544 3811 8543
      3811 8545 3810 8548 3809 8572 3804 8588
      3802 8593 3809 8590 3818 8589 3827 8581
      3828 8559

$$

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, 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, 5:18 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.