Alert archive / Kentucky / Flash Flood Warnings in 2011

Flash Flood Warning 29, NWS Louisville, KY

April 24, 20116 counties in Kentucky

NWS Louisville, KY issued this flash flood warning at Apr 24, 2011, 4:19 PM CDT for 6 counties in Kentucky. It was in force for 9 hr. 2 reports 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: Apr 24, 2011, 4:19 PM CDT (21:19 UTC)
Expired: Apr 25, 2011, 1:15 AM CDT
In force: 9 hr
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Flood severity: None

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

What was reported inside it

Time	Report	Where	Remark
Apr 24, 7:25 PM CDT	FLOOD	4 S Welchs Creek, KY	RELAYING REPORT FROM VIEWER OF 12 TO 18 INCHES OF WATER COVERING PORTIONS OF KY 340 NEAR BROOKLYN
Apr 24, 7:25 PM CDT	FLASH FLOOD	4 S Welchs Creek, KY	RELAYING REPORT FROM VIEWER OF 12 TO 18 INCHES OF WATER COVERING PORTIONS OF KY 340 NEAR BROOKLYN

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, 9.3 hours before the alert went out and 109 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1536 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 557 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 163 m²/s²
0-3 km storm-relative helicity: 219 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 5.8

Open this sounding in Storm Lab

The text

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

368 
WGUS53 KLMK 242119
FFWLMK
KYC031-061-141-183-213-227-250615-
/O.NEW.KLMK.FF.W.0029.110424T2119Z-110425T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
419 PM CDT SUN APR 24 2011

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN OHIO COUNTY IN NORTHWEST KENTUCKY...
  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 115 AM CDT MONDAY

* AT 410 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
HEAVY RAIN FROM A CLUSTER OF STRONG THUNDERSTORMS MOVING INTO THE 
WARNED AREA.

* LOCATIONS IMPACTED INCLUDE...GREENWOOD...BOWLING GREEN...
  BROWNSVILLE...CRESTMOOR...DELAFIELD...

  IN ADDITION...HOMER...SPA AND WARREN COUNTY REGIONAL AIRPORT ARE
  INCLUDED IN THIS FLASH FLOOD WARNING.

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE POSSIBLE IN THE 
WARNED AREA THIS EVENING...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. 
WATER RESCUES AND EVACUATIONS HAVE TAKEN PLACE IN EASTERN MISSOURI 
AND WESTERN KENTUCKY WITH THIS BATCH OF RAIN AND EXTREME CAUTION 
SHOULD BE USED. ALSO...WARREN COUNTY IS CONSIDERED A HIGH THREAT FOR 
FLASH FLOODING WITH MANY TROUBLE AREAS. IF YOU PLAN ON DRIVING THIS 
EVENING OR LIVE NEAR A BODY OF WATER USE EXTREME CAUTION!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

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 3707 8706 3708 8693 3711 8690 3714 8694
      3721 8691 3728 8683 3734 8681 3731 8678
      3741 8664 3736 8650 3732 8648 3734 8617
      3722 8606 3707 8608 3706 8612 3693 8619
      3690 8627 3678 8641 3666 8642 3666 8708

$$

SCHOETTMER

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 23, 7:01 PM CDT	Special Weather Statement	LMK	Bourbon, Clark, Fayette, Jessamine, Nicholas	29 min
Apr 23, 7:18 PM CDT	River Flood Warning	LMK	Harrison	15 hr
Apr 23, 7:30 PM CDT	Special Weather Statement	LMK	Clark	15 min
Apr 23, 7:31 PM CDT	Severe Thunderstorm Warning	LMK	Clark	14 min
Apr 23, 8:20 PM CDT	Flash Flood Warning	LMK	Bourbon, Franklin, Harrison, Nicholas, Scott, Woodford	9 hr
Apr 23, 8:46 PM CDT	River Flood Warning	LMK	Bullitt	14 hr
Apr 24, 12:35 AM CDT	Special Weather Statement	LMK	Allen, Barren, Butler, Edmonson, Grayson, Green and 7 more	55 min
Apr 24, 1:12 AM CDT	Severe Thunderstorm Warning	LMK	Allen, Barren, Monroe, Simpson	33 min
Apr 24, 1:22 AM CDT	Tornado Warning	LMK	Barren, Green, Hart, Metcalfe	23 min
Apr 24, 1:33 AM CDT	Special Weather Statement	LMK	Marion	27 min
Apr 24, 1:34 AM CDT	Tornado Warning	LMK	Barren, Metcalfe, Monroe	26 min
Apr 24, 1:37 AM CDT	Severe Thunderstorm Warning	LMK	Adair, Barren, Green, Metcalfe	38 min
Apr 24, 1:41 AM CDT	Tornado Warning	LMK	Adair, Casey, Green, Marion, Taylor	34 min
Apr 24, 1:56 AM CDT	Special Weather Statement	LMK	Marion, Mercer, Washington	34 min
Apr 24, 2:02 AM CDT	Severe Thunderstorm Warning	LMK	Boyle, Marion, Mercer, Washington	28 min
Apr 24, 2:10 AM CDT	Tornado Warning	LMK	Adair, Metcalfe, Russell	50 min
Apr 24, 2:13 AM CDT	Tornado Warning	LMK	Boyle, Casey, Lincoln, Marion, Taylor	47 min
Apr 24, 2:34 AM CDT	Special Weather Statement	LMK	Clark, Fayette, Garrard, Jessamine, Madison, Woodford	41 min
Apr 24, 2:37 AM CDT	Tornado Warning	LMK	Adair, Casey, Russell	23 min
Apr 24, 5:16 AM CDT	Areal Flood Warning	LMK	Breckinridge, Bullitt, Franklin, Hancock, Hardin, Harrison and 9 more	12 hr
Apr 24, 5:50 AM CDT	Special Weather Statement	LMK	Hancock, Ohio	25 min
Apr 24, 6:11 AM CDT	Special Weather Statement	LMK	Logan	34 min
Apr 24, 6:16 AM CDT	Special Weather Statement	LMK	Breckinridge, Butler, Grayson, Hancock	44 min
Apr 24, 6:44 AM CDT	Special Weather Statement	LMK	Butler, Edmonson, Logan, Warren	31 min
Apr 24, 6:59 AM CDT	Special Weather Statement	LMK	Bullitt, Hardin, Jefferson, Larue, Nelson, Oldham and 1 more	46 min
Apr 24, 7:10 AM CDT	Special Weather Statement	LMK	Barren, Edmonson, Hart, Metcalfe	35 min
Apr 24, 7:48 AM CDT	Special Weather Statement	LMK	Green, Taylor	27 min
Apr 24, 8:14 AM CDT	Special Weather Statement	LMK	Boyle, Casey	31 min
Apr 24, 8:38 AM CDT	Special Weather Statement	LMK	Boyle, Garrard	37 min
Apr 24, 9:06 AM CDT	Special Weather Statement	LMK	Madison	24 min
Apr 24, 12:58 PM CDT	Special Weather Statement	LMK	Allen	32 min
Apr 24, 1:42 PM CDT	Special Weather Statement	LMK	Monroe	33 min
Apr 24, 2:08 PM CDT	Severe Thunderstorm Warning	LMK	Clinton, Cumberland	37 min
Apr 24, 2:52 PM CDT	Special Weather Statement	LMK	Clinton	38 min
Apr 24, 3:54 PM CDT	Severe Thunderstorm Warning	LMK	Butler, Ohio	48 min
Apr 24, 3:56 PM CDT	Flash Flood Warning	LMK	Breckinridge, Grayson, Hancock, Ohio	9 hr
Apr 24, 4:28 PM CDT	Special Weather Statement	LMK	Butler, Edmonson, Grayson	62 min
Apr 24, 4:31 PM CDT	Severe Thunderstorm Warning	LMK	Logan	44 min
Apr 24, 4:47 PM CDT	Special Weather Statement	LMK	Butler	43 min
Apr 24, 4:48 PM CDT	Areal Flood Warning	LMK	Bullitt, Franklin, Harrison, Henry, Jefferson, Meade and 5 more	12 hr
Apr 24, 5:44 PM CDT	Special Weather Statement	LMK	Allen, Barren, Butler, Edmonson, Hart, Logan and 2 more	31 min
Apr 24, 6:03 PM CDT	Severe Thunderstorm Warning	LMK	Allen, Simpson, Warren	42 min
Apr 24, 6:17 PM CDT	Special Weather Statement	LMK	Green, Hart	43 min
Apr 24, 6:26 PM CDT	Special Weather Statement	LMK	Logan	34 min
Apr 24, 6:28 PM CDT	Severe Thunderstorm Warning	LMK	Barren	32 min
Apr 24, 6:32 PM CDT	Severe Thunderstorm Warning	LMK	Butler, Logan, Simpson, Warren	28 min
Apr 24, 6:36 PM CDT	Flash Flood Warning	LMK	Green, Hart, Larue, Marion, Nelson, Taylor and 1 more	6 hr
Apr 24, 6:48 PM CDT	Severe Thunderstorm Warning	LMK	Allen, Barren	27 min
Apr 24, 6:53 PM CDT	Areal Flood Advisory	LMK	Adair, Allen, Barren, Cumberland, Metcalfe, Monroe	6 hr
Apr 24, 6:58 PM CDT	Special Weather Statement	LMK	Warren	32 min

Nearby

Flash Flood Warnings in Kentucky, 2011 Every 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.