Alert archive / Kentucky / Flash Flood Warnings in 2011

Flash Flood Warning 16, NWS Jackson, KY

May 24, 20118 counties in Kentucky

NWS Jackson, KY issued this flash flood warning at May 24, 2011, 5:02 PM EDT for 8 counties in Kentucky. It was in force for 6 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
May 24, 2011, 5:02 PM EDT (21:02 UTC)
Expired
May 24, 2011, 11:00 PM EDT
In force
6 hr
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

Counties Bell County, KY, Clay County, KY, Harlan County, KY, Knox County, KY, Laurel County, KY, Leslie County, KY, McCreary County, KY, Whitley County, KY

The radar

The Knoxville radar (KMRX), 72 km from the middle of the area, began a volume at 21:02 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, 9.0 hours before the alert went out and 269 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 2011-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 739 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2011-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 square meters per square second.19395878Sfc1 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
739 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
768 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
181 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.5

Open this sounding in Storm Lab

The text

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

485 
WGUS53 KJKL 242102
FFWJKL
KYC013-051-095-121-125-131-147-235-250300-
/O.NEW.KJKL.FF.W.0016.110524T2102Z-110525T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON KY
502 PM EDT TUE MAY 24 2011

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BELL COUNTY IN SOUTHEAST KENTUCKY...
  EXTREME SOUTHEASTERN MCCREARY COUNTY IN SOUTH CENTRAL KENTUCKY...
  KNOX COUNTY IN SOUTHEAST KENTUCKY...
  SOUTHEASTERN LAUREL COUNTY IN SOUTH CENTRAL KENTUCKY...
  SOUTHERN CLAY COUNTY IN SOUTHEAST KENTUCKY...
  SOUTHWESTERN LESLIE COUNTY IN SOUTHEAST KENTUCKY...
  WESTERN HARLAN COUNTY IN SOUTHEAST KENTUCKY...
  WHITLEY COUNTY IN SOUTH CENTRAL KENTUCKY...

* UNTIL 1100 PM EDT

* AT 445 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH     
  FLOODING ACROSS THE WARNED AREA. 

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BARBOURVILLE...HARLAN...MIDDLESBORO...PINEVILLE...WILLIAMSBURG...
  ALVA...ARJAY...ARKLE...ARTEMUS...ASHERS FORK...AVIS...AYERS...
  BAILEYS SWITCH...BALKAN...BARDO...BARK CAMP...BARNYARD...BARTON...
  BAUGHMAN...BAXTER...BENTLEY STATION...BERTHA STATION...BIMBLE...
  BINGHAMTOWN...BIRDSEYE...BLACK SNAKE...BLACKJOE...BLACKWATER...
  BLANCHE AND BLEDSOE.

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.

&&

LAT...LON 3659 8427 3696 8426 3707 8387 3709 8354
      3698 8327 3673 8325 3670 8337 3667 8342
      3666 8354 3662 8367 3658 8370

$$

BECKER
2 follow-up statements
941 
WGUS73 KJKL 250129
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
929 PM EDT TUE MAY 24 2011

KYC013-051-095-121-125-131-147-250140-
/O.CAN.KJKL.FF.W.0016.000000T0000Z-110525T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLAY KY-LAUREL KY-LESLIE KY-KNOX KY-HARLAN KY-MCCREARY KY-BELL KY-
929 PM EDT TUE MAY 24 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR BELL...EXTREME
SOUTHEASTERN MCCREARY...WESTERN HARLAN...KNOX...SOUTHWESTERN
LESLIE...SOUTHEASTERN LAUREL AND SOUTHERN CLAY COUNTIES IS
CANCELLED...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 3659 8426 3661 8424 3664 8427 3695 8426
      3694 8417 3696 8416 3697 8412 3695 8409
      3686 8407 3680 8399 3676 8400 3676 8398
      3673 8397 3668 8389 3665 8396 3661 8393
      3659 8394

$$

KYC235-250300-
/O.CON.KJKL.FF.W.0016.000000T0000Z-110525T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WHITLEY KY-
929 PM EDT TUE MAY 24 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WHITLEY COUNTY UNTIL
1100 PM EDT...

AT 925 PM EDT...LOCAL LAW ENFORCEMENT REPORTED THAT SEVERAL ROADS 
AROUND THE AREA HAVE BEEN WASHED OUT...WITH WATER STILL FLOWING OVER 
THE ROADWAY.

SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING 
INCLUDE...WILLIAMSBURG...AYERS...BARTON...BON...BOUNTY...CARPENTER...
DEERING...DIXIE...EMLYN...FABER...FAIRVIEW...GATLIFF...GOLDBUG...
GROVE...JELLICO CREEK...LIBERTY...LOT...MOUNTAIN ASH...NEVISDALE...
PACKARD...PEARL AND WOODBINE.

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.

&&

LAT...LON 3659 8426 3661 8424 3664 8427 3695 8426
      3694 8417 3696 8416 3697 8412 3695 8409
      3686 8407 3680 8399 3676 8400 3676 8398
      3673 8397 3668 8389 3665 8396 3661 8393
      3659 8394

$$

BECKER
134 
WGUS73 KJKL 250257
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
1057 PM EDT TUE MAY 24 2011

KYC235-250308-
/O.EXP.KJKL.FF.W.0016.000000T0000Z-110525T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WHITLEY KY-
1057 PM EDT TUE MAY 24 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR WHITLEY COUNTY WILL
BE ALLOWED TO EXPIRE AT 11 PM EDT...

EXCESSIVE RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA... 
AND SMALL STREAMS AND CREEKS WERE RECEDING. THE COUNTY DISPATCH 
OFFICE WAS NO LONGER REPORTING ONGOING FLOODING PROBLEMS. IF 
FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW 
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 3659 8426 3661 8424 3664 8427 3695 8426
      3694 8417 3696 8416 3697 8412 3695 8409
      3686 8407 3680 8399 3676 8400 3676 8398
      3673 8397 3668 8389 3665 8396 3661 8393
      3659 8394

$$

HAL

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 8:25 PM EDTSevere Thunderstorm WarningJKLBreathitt, Clay, Leslie, Owsley, Perry35 min
May 23, 8:46 PM EDTSevere Thunderstorm WarningJKLBreathitt, Clay, Leslie, Owsley, Perry44 min
May 23, 8:57 PM EDTSevere Thunderstorm WarningJKLBreathitt, Knott, Magoffin, Morgan, Wolfe33 min
May 23, 9:12 PM EDTSevere Thunderstorm WarningJKLElliott, Floyd, Johnson, Magoffin, Morgan48 min
May 24, 7:45 AM EDTSevere Thunderstorm WarningJKLMcCreary, Pulaski, Wayne45 min
May 24, 8:16 AM EDTSevere Thunderstorm WarningJKLKnox, Laurel, McCreary, Pulaski, Wayne, Whitley44 min
May 24, 9:01 AM EDTAreal Flood AdvisoryJKLClay, Knox, Laurel, McCreary, Pulaski, Whitley119 min
May 24, 9:08 AM EDTAreal Flood AdvisoryJKLFloyd, Harlan, Knott, Leslie, Letcher, Perry and 1 more112 min
May 24, 1:34 PM EDTSevere Thunderstorm WarningJKLBell, Clay, Harlan, Knox, Leslie41 min
May 24, 2:39 PM EDTAreal Flood AdvisoryJKLHarlan, Knott, Leslie, Letcher, Perry, Pike4 hr
May 24, 2:58 PM EDTSevere Thunderstorm WarningJKLWayne47 min
May 24, 3:08 PM EDTAreal Flood AdvisoryJKLBell, Clay, Harlan, Knox, Laurel, Leslie and 4 more4 hr
May 24, 3:12 PM EDTSevere Thunderstorm WarningJKLMcCreary, Pulaski, Wayne48 min
May 24, 3:25 PM EDTSevere Thunderstorm WarningJKLBell, Knox, Whitley50 min
May 24, 3:27 PM EDTSevere Thunderstorm WarningJKLHarlan, Letcher, Perry19 min
May 24, 3:30 PM EDTSevere Thunderstorm WarningJKLMcCreary, Wayne45 min
May 24, 3:46 PM EDTSevere Thunderstorm WarningJKLHarlan29 min
May 24, 3:57 PM EDTSevere Thunderstorm WarningJKLBell, Harlan, Knox, Leslie63 min
May 24, 4:04 PM EDTSevere Thunderstorm WarningJKLBell, Harlan, Knox, Whitley56 min
May 24, 4:36 PM EDTAreal Flood AdvisoryJKLBell, Harlan, Knox, McCreary, Wayne, Whitley3 hr
May 24, 4:41 PM EDTTornado WarningJKLHarlan19 min
May 24, 4:54 PM EDTSevere Thunderstorm WarningJKLBell, Harlan23 min
May 24, 6:34 PM EDTAreal Flood AdvisoryJKLHarlan, Knott, Leslie, Letcher, Perry4 hr

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.