Alert archive / Kentucky / Flash Flood Warnings in 2011

Flash Flood Warning 35, NWS Louisville, KY

April 27, 20115 counties in Kentucky

NWS Louisville, KY issued this flash flood warning at Apr 27, 2011, 12:38 AM CDT for 5 counties in Kentucky. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 27, 2011, 12:38 AM CDT (05:38 UTC)
Expired
Apr 27, 2011, 3:30 AM CDT
In force
3 hr
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Flood severity
None

Counties Butler County, KY, Edmonson County, KY, Logan County, KY, Simpson County, KY, Warren County, KY

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 5.6 hours before the alert went out and 107 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 00:00Z on 2011-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1852 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 2011-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 144 square meters per square second.1939587897Sfc1 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
1852 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1222 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
144 m²/s²
0-3 km storm-relative helicity
169 m²/s²
Significant tornado parameter
1.3
Supercell composite
8.9

Open this sounding in Storm Lab

The text

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

826 
WGUS53 KLMK 270538
FFWLMK
KYC031-061-141-213-227-270830-
/O.NEW.KLMK.FF.W.0035.110427T0538Z-110427T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1238 AM CDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BUTLER COUNTY IN SOUTH CENTRAL KENTUCKY...
  EDMONSON COUNTY IN SOUTH CENTRAL KENTUCKY...
  LOGAN COUNTY IN SOUTH CENTRAL KENTUCKY...
  SIMPSON COUNTY IN SOUTH CENTRAL KENTUCKY...
  WARREN COUNTY IN SOUTH CENTRAL KENTUCKY...
  THIS INCLUDES THE CITY OF BOWLING GREEN...

* UNTIL 330 AM CDT

* AT 1231 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
  THUNDERSTORMS WITH VERY HEAVY RAIN MOVING FROM TENNESSEE INTO      
  WESTERN AND CENTRAL KENTUCKY.  RAINFALL RATES OF 1 TO 1.5 INCHES   
  PER HOUR WILL BE POSSIBLE...WITH 1 TO 3 INCHES OF RAINFALL LIKELY  
  BY 330 AM CDT.

* LOCATIONS IMPACTED INCLUDE...GREENWOOD...BOWLING GREEN...          
  BROWNSVILLE... CRESTMOOR... DELAFIELD... FRANKLIN...               
  RUSSELLVILLE... MORGANTOWN... MAMMOTH CAVE NATIONAL PARK...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY.
MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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 3666 8708 3707 8707 3709 8692 3712 8691
      3714 8694 3720 8692 3730 8682 3733 8681
      3731 8676 3740 8662 3736 8650 3732 8648
      3732 8615 3722 8606 3706 8608 3706 8612
      3693 8617 3690 8627 3678 8641 3665 8642

$$

13

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 7:08 PM CDTTornado WarningLMKBreckinridge, Grayson, Hardin22 min
Apr 26, 7:27 PM CDTTornado WarningLMKGrayson, Hardin33 min
Apr 26, 7:48 PM CDTTornado WarningLMKHardin, Larue, Nelson27 min
Apr 26, 8:16 PM CDTTornado WarningLMKHardin, Larue, Nelson29 min
Apr 26, 8:46 PM CDTSpecial Weather StatementLMKNelson29 min
Apr 26, 9:20 PM CDTSevere Thunderstorm WarningLMKNelson, Spencer14 min
Apr 26, 9:23 PM CDTSpecial Weather StatementLMKOhio37 min
Apr 26, 9:32 PM CDTTornado WarningLMKAnderson, Nelson, Spencer, Washington28 min
Apr 26, 9:56 PM CDTSevere Thunderstorm WarningLMKAnderson, Franklin, Shelby, Spencer34 min
Apr 26, 9:56 PM CDTTornado WarningLMKOhio34 min
Apr 26, 10:20 PM CDTSevere Thunderstorm WarningLMKShelby, Spencer40 min
Apr 26, 10:23 PM CDTSpecial Weather StatementLMKOhio37 min
Apr 26, 10:25 PM CDTSpecial Weather StatementLMKFranklin35 min
Apr 26, 10:31 PM CDTSevere Thunderstorm WarningLMKOhio29 min
Apr 26, 10:39 PM CDTAreal Flood WarningLMKBreckinridge, Bullitt, Grayson, Hancock, Hardin, Henry and 7 more10 hr
Apr 26, 10:44 PM CDTSpecial Weather StatementLMKGrayson31 min
Apr 26, 10:47 PM CDTSpecial Weather StatementLMKOhio28 min
Apr 26, 10:49 PM CDTSevere Thunderstorm WarningLMKBreckinridge, Edmonson, Grayson26 min
Apr 26, 10:54 PM CDTSpecial Weather StatementLMKHancock36 min
Apr 26, 10:59 PM CDTSpecial Weather StatementLMKShelby31 min
Apr 26, 11:02 PM CDTSevere Thunderstorm WarningLMKBreckinridge, Hancock, Ohio28 min
Apr 26, 11:13 PM CDTFlash Flood WarningLMKHancock, Ohio9 hr
Apr 26, 11:13 PM CDTSpecial Weather StatementLMKOhio32 min
Apr 26, 11:17 PM CDTSevere Thunderstorm WarningLMKBreckinridge, Grayson28 min
Apr 26, 11:23 PM CDTSevere Thunderstorm WarningLMKHenry37 min
Apr 26, 11:24 PM CDTSpecial Weather StatementLMKBreckinridge, Grayson, Hardin, Meade36 min
Apr 26, 11:32 PM CDTFlash Flood WarningLMKBreckinridge, Grayson, Hardin, Meade9 hr
Apr 26, 11:41 PM CDTSevere Thunderstorm WarningLMKButler, Logan34 min
Apr 26, 11:55 PM CDTSpecial Weather StatementLMKBreckinridge, Hardin, Meade35 min
Apr 27, 12:06 AM CDTSpecial Weather StatementLMKLogan24 min
Apr 27, 12:15 AM CDTSevere Thunderstorm WarningLMKButler, Logan30 min
Apr 27, 12:25 AM CDTSpecial Weather StatementLMKJefferson35 min
Apr 27, 12:34 AM CDTFlash Flood WarningLMKBullitt, Hardin, Jefferson, Oldham, Trimble3 hr
Apr 27, 12:41 AM CDTSpecial Weather StatementLMKButler, Grayson, Logan34 min
Apr 27, 12:58 AM CDTSpecial Weather StatementLMKEdmonson, Warren32 min
Apr 27, 1:23 AM CDTSevere Thunderstorm WarningLMKEdmonson, Grayson, Hardin22 min
Apr 27, 1:43 AM CDTSpecial Weather StatementLMKHardin32 min
Apr 27, 1:49 AM CDTSevere Thunderstorm WarningLMKButler, Logan, Ohio41 min
Apr 27, 2:07 AM CDTSpecial Weather StatementLMKGrayson, Warren23 min
Apr 27, 2:20 AM CDTSpecial Weather StatementLMKLogan25 min
Apr 27, 2:35 AM CDTSpecial Weather StatementLMKButler, Hancock, Ohio25 min
Apr 27, 3:15 AM CDTSpecial Weather StatementLMKAllen, Edmonson, Grayson, Hardin, Meade, Warren60 min
Apr 27, 3:24 AM CDTFlash Flood WarningLMKBullitt, Jefferson, Oldham, Trimble5 hr
Apr 27, 3:27 AM CDTFlash Flood WarningLMKButler, Edmonson, Logan, Simpson, Warren5 hr
Apr 27, 4:45 AM CDTSpecial Weather StatementLMKOldham, Shelby, Spencer, Trimble45 min
Apr 27, 5:06 AM CDTTornado WarningLMKHenry, Oldham, Shelby, Trimble24 min
Apr 27, 5:12 AM CDTSpecial Weather StatementLMKSimpson, Warren33 min
Apr 27, 5:27 AM CDTSpecial Weather StatementLMKAllen33 min
Apr 27, 5:37 AM CDTSevere Thunderstorm WarningLMKAllen, Barren, Edmonson, Hart, Warren23 min
Apr 27, 6:00 AM CDTSevere Thunderstorm WarningLMKBarren, Green, Hart30 min
Apr 27, 6:19 AM CDTSpecial Weather StatementLMKNelson, Shelby, Spencer26 min
Apr 27, 6:32 AM CDTSpecial Weather StatementLMKMonroe28 min
Apr 27, 6:44 AM CDTSevere Thunderstorm WarningLMKAdair, Cumberland, Green, Metcalfe, Monroe, Russell31 min
Apr 27, 6:48 AM CDTSevere Thunderstorm WarningLMKAnderson, Franklin, Henry, Shelby27 min
Apr 27, 6:52 AM CDTSevere Thunderstorm WarningLMKCumberland, Monroe30 min
Apr 27, 6:53 AM CDTSevere Thunderstorm WarningLMKAnderson, Mercer, Washington22 min
Apr 27, 6:56 AM CDTTornado WarningLMKFranklin, Henry, Shelby19 min
Apr 27, 7:08 AM CDTSevere Thunderstorm WarningLMKClinton, Cumberland, Russell37 min
Apr 27, 7:11 AM CDTSevere Thunderstorm WarningLMKAdair, Casey, Cumberland, Metcalfe, Russell, Taylor34 min
Apr 27, 7:12 AM CDTSevere Thunderstorm WarningLMKAnderson, Franklin, Harrison, Scott, Woodford33 min
Apr 27, 7:24 AM CDTTornado WarningLMKAnderson, Boyle, Fayette, Jessamine, Mercer, Woodford36 min
Apr 27, 7:31 AM CDTTornado WarningLMKClinton14 min
Apr 27, 7:33 AM CDTSevere Thunderstorm WarningLMKRussell12 min
Apr 27, 7:40 AM CDTTornado WarningLMKAdair, Casey, Russell35 min
Apr 27, 7:45 AM CDTSevere Thunderstorm WarningLMKBourbon, Harrison, Scott30 min
Apr 27, 7:51 AM CDTTornado WarningLMKCasey, Garrard, Lincoln24 min
Apr 27, 7:52 AM CDTTornado WarningLMKBourbon, Fayette, Harrison, Scott, Woodford23 min
Apr 27, 8:02 AM CDTSevere Thunderstorm WarningLMKGarrard, Lincoln28 min
Apr 27, 8:12 AM CDTTornado WarningLMKClark, Fayette, Garrard, Jessamine, Lincoln, Madison33 min
Apr 27, 8:15 AM CDTSevere Thunderstorm WarningLMKBourbon, Harrison, Nicholas30 min
Apr 27, 8:21 AM CDTSevere Thunderstorm WarningLMKGarrard, Lincoln, Madison24 min
Apr 27, 8:23 AM CDTAreal Flood WarningLMKBreckinridge, Bullitt, Butler, Edmonson, Grayson, Hancock and 9 more12 hr
Apr 27, 8:40 AM CDTSevere Thunderstorm WarningLMKBourbon, Clark, Fayette, Madison, Nicholas35 min
Apr 27, 10:19 AM CDTRiver Flood WarningLMKWarren36 hr
Apr 27, 10:19 AM CDTRiver Flood WarningLMKWarren36 hr
Apr 27, 10:19 AM CDTRiver Flood WarningLMKHart36 hr
Apr 27, 10:19 AM CDTRiver Flood WarningLMKEdmonson4 days
Apr 27, 10:41 AM CDTRiver Flood WarningLMKNicholas, Robertson25 hr
Apr 27, 4:13 PM CDTSpecial Weather StatementLMKButler, Logan, Warren32 min
Apr 27, 4:28 PM CDTSevere Thunderstorm WarningLMKButler, Edmonson, Grayson, Warren32 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.