Alert archive / Kentucky / Flash Flood Warnings in 2012

Flash Flood Warning 28, NWS Louisville, KY

August 5, 20125 counties in Kentucky

NWS Louisville, KY issued this flash flood warning at Aug 5, 2012, 6:26 PM CDT for 5 counties in Kentucky. It was in force for 3 hr. 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
Aug 5, 2012, 6:26 PM CDT (23:26 UTC)
Expired
Aug 5, 2012, 9:20 PM CDT
In force
3 hr
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Flood severity
None

Counties Grayson County, KY, Green County, KY, Hardin County, KY, Hart County, KY, Larue County, KY

What was reported inside it

TimeReportWhereRemark
Aug 5, 7:37 PM CDTHEAVY RAIN 4.54 Wnw Big Clifty, KYSTORM TOTAL. NEAR THE INTERSECTION OF HIGHWAY 720 AND 920.

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, 11.4 hours before the alert went out and 164 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 2012-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1769 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 2012-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 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
1769 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
739 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
144 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.6

Open this sounding in Storm Lab

The text

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

895 
WGUS53 KLMK 052326
FFWLMK
KYC085-087-093-099-123-060220-
/O.NEW.KLMK.FF.W.0028.120805T2326Z-120806T0220Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
626 PM CDT SUN AUG 5 2012

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN HARDIN COUNTY IN NORTH CENTRAL KENTUCKY...
  SOUTHERN LARUE COUNTY IN NORTH CENTRAL KENTUCKY...
  NORTHEASTERN GRAYSON COUNTY IN SOUTH CENTRAL KENTUCKY...
  NORTHWESTERN GREEN COUNTY IN SOUTH CENTRAL KENTUCKY...
  NORTHERN HART COUNTY IN SOUTH CENTRAL KENTUCKY...

* UNTIL 920 PM CDT/1020 PM EDT/

* AT 618 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  TORRENTIAL RAINFALL IS OCCURRING OR IS IMMENENT FROM REPEATED      
  THUNDERSTORMS OVER THE WARNED AREA. 1 TO 3 INCHES OF RAINFALL HAS  
  OCCURRED OR WILL OCCUR WITHIN THE NEXT 1 TO 2 HOURS. NUMEROUS      
  REPORTS OF FLOODING HAVE OCCURRED IN RADCLIFF AND ELIAZABETHTOWN   
  WITH THESE STORMS.

* LOCATIONS IMPACTED INCLUDE MAINLY RURAL AREAS OF NORTHEASTERN
  GRAYSON...NORTHERN HART...NORTHWESTERN GREEN...SOUTHERN LARUE AND
  SOUTHWESTERN HARDIN COUNTIES...INCLUDING WHITE MILLS JUNCTION...TAR
  HILL...SUMMIT...LIMP AND HARDIN SPRINGS.

  FLASH FLOOD PRONE AREAS IN THIS WARNING...
  BARREN RUN CREEK OVERFLOWS ONTO AIRLINE ROAD.
  THE SOUTH FORK OF NOLIN RIVER OVERFLOWS ONTO THE INTERSECTION OF   
  HALL AND BROOKS STREET.

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.

REPORT FLOODING TO LOCAL LAW ENFORCEMENT OR POST YOUR REPORT TO THE
NATIONAL WEATHER SERVICE LOUISVILLE FACEBOOK PAGE.

&&

LAT...LON 3744 8623 3761 8626 3751 8552 3746 8555
      3747 8558 3743 8558 3741 8557 3729 8562

$$

SCHOETTMER
2 follow-up statements
426 
WGUS73 KLMK 060148
FFSLMK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
948 PM EDT SUN AUG 5 2012

KYC087-123-060156-
/O.CAN.KLMK.FF.W.0028.000000T0000Z-120806T0220Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LARUE KY-GREEN KY-
948 PM EDT SUN AUG 5 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHWESTERN GREEN
AND SOUTHERN LARUE COUNTIES...


REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR POST YOUR REPORT TO
THE NATIONAL WEATHER SERVICE LOUISVILLE FACEBOOK PAGE.

LAT...LON 3761 8626 3755 8587 3737 8591 3744 8623

$$

KYC085-093-099-060220-
/O.CON.KLMK.FF.W.0028.000000T0000Z-120806T0220Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRAYSON KY-HARDIN KY-HART KY-
848 PM CDT SUN AUG 5 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 920 PM CDT/1020 PM
EDT/ FOR NORTHERN HART...SOUTHWESTERN HARDIN AND NORTHEASTERN GRAYSON
COUNTIES...

AT 848 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THAT HEAVY RAIN HAS FALLEN OVER THE AREA OVER THE PAST 
SEVERAL HOURS. USE CAUTION IF DRIVING TONIGHT AS FLOODED ROADWAYS 
WILL BE HARD TO SEE.


* LOCATIONS IMPACTED INCLUDE HORNTOWN...WHITE MILLS JUNCTION...WEST  
  CLIFTY...TAR HILL AND SUMMIT.

  FLASH FLOOD PRONE AREA IN THIS WARNING...
  LOW WATER CROSSING OVERFLOWS ONTO HORNTOWN ROAD AND ROCK CREEK
  ROAD.

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.

&&

LAT...LON 3761 8626 3755 8587 3737 8591 3744 8623

$$

SCHOETTMER
880 
WGUS73 KLMK 060220
FFSLMK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
920 PM CDT SUN AUG 5 2012

KYC085-093-099-060230-
/O.EXP.KLMK.FF.W.0028.000000T0000Z-120806T0220Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRAYSON KY-HARDIN KY-HART KY-
920 PM CDT SUN AUG 5 2012

...THE FLASH FLOOD WARNING HAS EXPIRED FOR NORTHERN HART...
SOUTHWESTERN HARDIN AND NORTHEASTERN GRAYSON COUNTIES...

THE STORMS THAT PROMPTED THE WARNING HAVE WEAKENED AND ARE NO LONGER 
PRODUCING HEAVY RAIN. CALLS TO COUNTY OFFICIALS HAVE YIELDED NO 
FLOODING REPORTS.

REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR POST YOUR REPORT TO
THE NATIONAL WEATHER SERVICE LOUISVILLE FACEBOOK PAGE.

LAT...LON 3761 8626 3755 8587 3737 8591 3744 8623

$$

SCHOETTMER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 3:58 AM CDTAreal Flood AdvisoryLMKAllen, Barren3 hr
Aug 5, 5:01 AM CDTAreal Flood AdvisoryLMKAllen, Barren, Metcalfe, Monroe3 hr
Aug 5, 3:22 PM CDTAreal Flood AdvisoryLMKBullitt, Hardin3 hr
Aug 5, 4:07 PM CDTSpecial Weather StatementLMKLogan28 min
Aug 5, 4:15 PM CDTFlash Flood WarningLMKBullitt, Hardin3 hr
Aug 5, 4:20 PM CDTSpecial Weather StatementLMKBullitt30 min
Aug 5, 4:36 PM CDTSpecial Weather StatementLMKLogan29 min
Aug 5, 4:50 PM CDTSpecial Weather StatementLMKSimpson30 min
Aug 5, 5:07 PM CDTSpecial Weather StatementLMKHardin43 min
Aug 5, 5:10 PM CDTSpecial Weather StatementLMKEdmonson30 min
Aug 5, 5:27 PM CDTAreal Flood AdvisoryLMKBullitt, Hardin, Larue, Meade, Nelson3 hr
Aug 5, 5:38 PM CDTFlash Flood WarningLMKHardin, Larue, Nelson5 hr
Aug 5, 5:43 PM CDTSpecial Weather StatementLMKHardin, Larue32 min
Aug 5, 6:26 PM CDTFlash Flood WarningLMKLogan2 hr

Nearby

Flash Flood Warnings in Kentucky, 2012Every flash flood warning in 2012

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.