Alert archive / Kentucky / Flash Flood Warnings in 2011

Flash Flood Warning 49, NWS Louisville, KY

July 12, 2011Allen County, Warren County, Kentucky

NWS Louisville, KY issued this flash flood warning at Jul 12, 2011, 1:32 PM CDT for Allen County, Warren County, Kentucky. It was in force for 106 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 12, 2011, 1:32 PM CDT (18:32 UTC)
Expired
Jul 12, 2011, 3:18 PM CDT
In force
106 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Flood severity
None

Counties Allen County, KY, Warren County, KY

The radar

The Nashville radar (KOHX), 80 km from the middle of the area, began a volume at 18:32 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.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 6.5 hours before the alert went out and 94 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.

250 
WGUS53 KLMK 121832
FFWLMK
KYC003-227-122130-
/O.NEW.KLMK.FF.W.0049.110712T1832Z-110712T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN ALLEN COUNTY IN SOUTH CENTRAL KENTUCKY...
  EASTERN WARREN COUNTY IN SOUTH CENTRAL KENTUCKY...

* UNTIL 430 PM CDT

* AT 124 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
TORRENTIAL RAINFALL FROM THUNDERSTORMS TRAINING OVER THE WARNED 
AREA.  THIS RAINFALL IS LIKELY CAUSING FLOODING.

* THE STORMS PRODUCING TORRENTIAL RAINFALL WILL REMAIN OVER MAINLY 
RURAL AREAS OF EASTERN WARREN AND NORTHERN ALLEN 
COUNTIES...INCLUDING THREE FORKS...MARTINSVILLE...KEPLER...POLKVILLE 
AND HYDRO.

AN ADDITIONAL 1 TO 2 INCHES OF RAINFALL IS POSSIBLE IN THE FLOOD 
WARNING 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 3680 8621 3686 8634 3694 8632 3699 8627
      3699 8615 3697 8615 3694 8617 3692 8616
      3692 8618 3691 8616

$$

AMS
1 follow-up statement
613 
WGUS73 KLMK 122018
FFSLMK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
318 PM CDT TUE JUL 12 2011

KYC003-227-122028-
/O.CAN.KLMK.FF.W.0049.000000T0000Z-110712T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WARREN KY-ALLEN KY-
318 PM CDT TUE JUL 12 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHERN ALLEN AND
EASTERN WARREN COUNTIES...

THE STORMS THAT PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED 
AREA.

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 3680 8621 3686 8634 3694 8632 3699 8627
      3699 8615 3697 8615 3694 8617 3692 8616
      3692 8618 3691 8616

$$

AMS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 2:13 AM CDTExcessive Heat WarningLMKAllen, Anderson, Barren, Boyle, Breckinridge, Bullitt and 27 more16 hr
Jul 12, 6:46 AM CDTSpecial Weather StatementLMKClinton29 min
Jul 12, 7:18 AM CDTSpecial Weather StatementLMKClinton27 min
Jul 12, 12:07 PM CDTSpecial Weather StatementLMKAdair23 min
Jul 12, 12:20 PM CDTSpecial Weather StatementLMKCumberland, Monroe40 min
Jul 12, 12:36 PM CDTAreal Flood AdvisoryLMKAdair, Casey, Marion, Taylor114 min
Jul 12, 12:48 PM CDTSevere Thunderstorm WarningLMKMonroe27 min
Jul 12, 12:51 PM CDTSevere Thunderstorm WarningLMKBarren, Metcalfe24 min
Jul 12, 12:57 PM CDTSpecial Weather StatementLMKAllen33 min
Jul 12, 1:04 PM CDTSevere Thunderstorm WarningLMKAllen, Warren26 min
Jul 12, 1:05 PM CDTAreal Flood AdvisoryLMKAdair, Allen, Barren, Cumberland, Green, Hart and 2 more3 hr
Jul 12, 1:19 PM CDTAreal Flood AdvisoryLMKAllen, Barren, Warren3 hr
Jul 12, 2:00 PM CDTFlash Flood WarningLMKBarren, Green, Hart, Metcalfe3 hr
Jul 12, 2:09 PM CDTAreal Flood AdvisoryLMKBarren, Hart3 hr
Jul 12, 2:13 PM CDTFlash Flood WarningLMKAllen, Barren3 hr
Jul 12, 2:14 PM CDTSevere Thunderstorm WarningLMKBreckinridge, Grayson, Ohio31 min
Jul 12, 2:22 PM CDTAreal Flood AdvisoryLMKBourbon, Clark, Fayette, Jessamine, Madison3 hr
Jul 12, 2:27 PM CDTSevere Thunderstorm WarningLMKGrayson, Hart33 min
Jul 12, 2:35 PM CDTAreal Flood AdvisoryLMKGrayson, Hardin, Hart, Larue, Nelson3 hr
Jul 12, 2:44 PM CDTFlash Flood WarningLMKJessamine113 min
Jul 12, 2:46 PM CDTSevere Thunderstorm WarningLMKHardin29 min
Jul 12, 2:51 PM CDTSevere Thunderstorm WarningLMKAnderson, Mercer24 min
Jul 12, 2:53 PM CDTAreal Flood AdvisoryLMKBreckinridge, Bullitt, Butler, Edmonson, Grayson, Hardin and 5 more3 hr
Jul 12, 2:59 PM CDTAreal Flood AdvisoryLMKBreckinridge, Bullitt, Jefferson, Meade3 hr
Jul 12, 2:59 PM CDTSevere Thunderstorm WarningLMKMeade31 min
Jul 12, 3:02 PM CDTAreal Flood AdvisoryLMKAnderson, Bullitt, Fayette, Franklin, Jefferson, Jessamine and 6 more3 hr
Jul 12, 3:09 PM CDTFlash Flood WarningLMKBourbon, Clark, Fayette88 min
Jul 12, 3:23 PM CDTFlash Flood WarningLMKMeade3 hr
Jul 12, 3:37 PM CDTSevere Thunderstorm WarningLMKBreckinridge, Meade23 min
Jul 12, 3:47 PM CDTFlash Flood WarningLMKBullitt, Hardin, Meade, Nelson2 hr
Jul 12, 3:58 PM CDTFlash Flood WarningLMKAnderson, Nelson, Spencer, Washington109 min
Jul 12, 4:04 PM CDTSpecial Weather StatementLMKJefferson26 min
Jul 12, 4:09 PM CDTAreal Flood AdvisoryLMKBreckinridge, Hancock, Ohio98 min
Jul 12, 4:16 PM CDTFlash Flood WarningLMKJefferson, Shelby, Spencer93 min
Jul 12, 4:18 PM CDTSevere Thunderstorm WarningLMKJefferson, Shelby16 min
Jul 12, 5:02 PM CDTAreal Flood AdvisoryLMKFranklin, Henry, Shelby3 hr
Jul 12, 5:52 PM CDTAreal 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.