Alert archive / Kentucky / Flash Flood Warnings in 2011

Flash Flood Warning 46, NWS Louisville, KY

June 27, 20114 counties in Kentucky

NWS Louisville, KY issued this flash flood warning at Jun 27, 2011, 11:52 PM CDT for 4 counties in Kentucky. It was in force for 6 hr. 5 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: Jun 27, 2011, 11:52 PM CDT (04:52 UTC)
Expired: Jun 28, 2011, 5:45 AM CDT
In force: 6 hr
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Flood severity: None

Counties Butler County, KY, Edmonson County, KY, Grayson County, KY, Ohio County, KY

What was reported inside it

Time	Report	Where	Remark
Jun 28, 12:00 AM CDT	FLASH FLOOD	4 S Caneyville, KY	SEVERAL ROADS WASHED OUT DUE TO FLASH FLOODING. A VEHICLE HAD TO BE RECOVERED FROM THE WATER.
Jun 28, 12:00 AM CDT	FLASH FLOOD	Morgantown, KY	NUMEROUS ROADS FLOODED AND COVERED WITH WATER ACROSS THE COUNTY.
Jun 28, 1:00 AM CDT	FLASH FLOOD	Beaver Dam, KY	DISPATCH REPORTS NUMEROUS PRIMARY AND SECONDARY ROADS FLOODED AND CLOSED THROUGHOUT OHIO COUNTY.
Jun 28, 1:00 AM CDT	FLASH FLOOD	Morgantown, KY	NUMEROUS ROADS FLOODED AND COVERED WITH WATER ACROSS THE COUNTY.
Jun 28, 2:02 AM CDT	FLOOD	7 Wnw Brownsville, KY	4.54 INCHES OF RAIN SINCE STORMS BEGAN AROUND 11PM CDT MONDAY. 2.03 INCHES IN THE LAST HOUR.

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 00:00Z, 4.9 hours before the alert went out and 130 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: 2905 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 1124 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 197 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 7.6

Open this sounding in Storm Lab

The text

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

303 
WGUS53 KLMK 280452
FFWLMK
KYC031-061-085-183-281045-
/O.NEW.KLMK.FF.W.0046.110628T0452Z-110628T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1152 PM CDT MON JUN 27 2011

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN OHIO COUNTY IN NORTHWEST KENTUCKY...
  BUTLER COUNTY IN SOUTH CENTRAL KENTUCKY...
  NORTHERN EDMONSON COUNTY IN SOUTH CENTRAL KENTUCKY...
  GRAYSON COUNTY IN SOUTH CENTRAL KENTUCKY...

* UNTIL 545 AM CDT

* AT 1145 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
  A LINE OF SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAIN MOVING    
  THROUGH OHIO...BUTLER...AND SOUTHERN GRAYSON COUNTIES.

* LOCATIONS IMPACTED INCLUDE...BROWNSVILLE...HARTFORD...
  LEITCHFIELD...MORGANTOWN...

  IN ADDITION...MOUNT PLEASANT...YEAMAN AND WHITE RUN ARE INCLUDED IN
  THIS FLASH FLOOD WARNING.

DOPPLER RADAR ESTIMATES THAT 2 TO 3 INCHES OF RAIN HAVE FALLEN 
ACROSS THE WARNED AREA.  ADDITIONAL THUNDERSTORMS UPSTREAM OF THE 
WARNING WILL LIKELY TRAIN OVER THE WARNED AREA AND PRODUCE AN 
ADDITIONAL 2 TO 3 INCHES OF RAINFALL DURING THE NIGHT.

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.

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 3751 8709 3752 8608 3739 8604 3733 8616
      3722 8605 3718 8605 3717 8648 3719 8650
      3718 8653 3718 8662 3717 8662 3716 8688
      3736 8703 3736 8711

$$

MJ

1 follow-up statement

275 
WGUS73 KLMK 280938
FFSLMK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
438 AM CDT TUE JUN 28 2011

KYC031-061-085-183-281045-
/O.CON.KLMK.FF.W.0046.000000T0000Z-110628T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OHIO KY-BUTLER KY-EDMONSON KY-GRAYSON KY-
438 AM CDT TUE JUN 28 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 AM CDT FOR
GRAYSON...NORTHERN EDMONSON...NORTHERN BUTLER AND SOUTHERN OHIO
COUNTIES...

AT 436 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED NUMEROUS 
ROADS FLOODED AND CLOSED DUE TO HIGH WATER ACROSS THE WARNED AREA.

* LOCATIONS IMPACTED INCLUDE...
  BROWNSVILLE...
  HARTFORD...
  LEITCHFIELD...
  MORGANTOWN...

  IN ADDITION...MOUNT PLEASANT...HIGHVIEW AND WINDYVILLE ARE INCLUDED
  IN THIS FLASH FLOOD WARNING.

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.

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 3751 8709 3752 8608 3739 8604 3733 8616
      3722 8605 3718 8605 3717 8648 3719 8650
      3718 8653 3718 8662 3717 8662 3716 8688
      3736 8703 3736 8711

$$

MJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 27, 9:21 PM CDT	Special Weather Statement	LMK	Grayson	24 min
Jun 27, 9:25 PM CDT	Severe Thunderstorm Warning	LMK	Grayson	18 min
Jun 27, 9:39 PM CDT	Tornado Warning	LMK	Grayson	21 min
Jun 27, 10:19 PM CDT	Areal Flood Advisory	LMK	Butler, Edmonson, Grayson, Hardin, Hart, Larue and 1 more	3 hr
Jun 27, 10:22 PM CDT	Special Weather Statement	LMK	Grayson	38 min
Jun 27, 11:10 PM CDT	Special Weather Statement	LMK	Grayson, Hart	35 min
Jun 27, 11:53 PM CDT	Special Weather Statement	LMK	Ohio	52 min
Jun 28, 1:06 AM CDT	Special Weather Statement	LMK	Butler, Warren	39 min
Jun 28, 1:33 AM CDT	Severe Thunderstorm Warning	LMK	Allen, Barren, Edmonson, Warren	27 min
Jun 28, 1:39 AM CDT	Severe Thunderstorm Warning	LMK	Allen, Simpson, Warren	36 min
Jun 28, 1:46 AM CDT	Flash Flood Warning	LMK	Butler, Edmonson, Logan, Warren	4 hr
Jun 28, 2:02 AM CDT	Special Weather Statement	LMK	Allen	43 min
Jun 28, 2:13 AM CDT	Areal Flood Advisory	LMK	Allen, Barren, Monroe	4 hr
Jun 28, 2:15 AM CDT	Severe Thunderstorm Warning	LMK	Allen, Logan, Simpson, Warren	30 min
Jun 28, 3:18 AM CDT	Special Weather Statement	LMK	Cumberland, Monroe	42 min
Jun 28, 3:21 AM CDT	Special Weather Statement	LMK	Simpson	24 min
Jun 28, 3:31 AM CDT	Areal Flood Advisory	LMK	Logan, Simpson	3 hr
Jun 28, 5:42 AM CDT	Areal Flood Warning	LMK	Butler, Edmonson, Grayson, Ohio, Warren	3 hr

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.