Alert archive / Kentucky / Flash Flood Warnings in 2011

Flash Flood Warning 25, NWS Jackson, KY

June 20, 20118 counties in Kentucky

NWS Jackson, KY issued this flash flood warning at Jun 20, 2011, 10:31 AM EDT for 8 counties in Kentucky. It was in force for 5 hr. 9 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 20, 2011, 10:31 AM EDT (14:31 UTC)
Expired
Jun 20, 2011, 3:55 PM EDT
In force
5 hr
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

Counties Breathitt County, KY, Knott County, KY, Lee County, KY, Leslie County, KY, Menifee County, KY, Perry County, KY, Powell County, KY, Wolfe County, KY

The radar

The Jackson,KY radar (KJKL), 22 km from the middle of the area, began a volume at 14:34 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.

What was reported inside it

TimeReportWhereRemark
Jun 20, 10:45 AM EDTFLASH FLOOD1 S Yeadon, KYBELCHER FORK ROAD IMPASSABLE DUE TO FLASH FLOOD.
Jun 20, 10:45 AM EDTFLASH FLOOD2 S Jackson, KYROBINSON FORK CLOSED BY FLASH FLOODING.
Jun 20, 10:45 AM EDTFLASH FLOODWar Creek, KYHWY 541 AND MOST SIDE ROADS OFF OF HWY 541 ARE AFFECTED BY FLASH FLOODING.
Jun 20, 10:45 AM EDTFLASH FLOODWatts, KYFLASH FLOODING ALONG WATTS ROAD.
Jun 20, 10:48 AM EDTFLOODElkatawa, KYMILLERS BRANCH HAS LEFT IT/S BANKS AND IS AT THE BOTTOM OF THE BRIDGE GOING OVER HWY 52.
Jun 20, 11:00 AM EDTFLASH FLOOD6 Nw Hazard, KYKNEE DEEP FLOWING WATER OVER PIGEON ROOST ROAD. RESIDENTS ARE STRANDED.
Jun 20, 11:30 AM EDTFLASH FLOOD5 N Hazard, KYHARVEYTON ROAD CLOSED.
Jun 20, 11:30 AM EDTFLASH FLOOD5 Nw Hazard, KYROAD AT TYPO HAS BEEN CLOSED.
Jun 20, 11:30 AM EDTFLASH FLOOD9 Nw Hazard, KY16 MILE CREEK ROAD CLOSED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 2.5 hours before the alert went out and 190 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, Cncnati-Daytn, OH at 12:00Z on 2011-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 146 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, Cncnati-Daytn, OH at 12:00Z on 2011-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 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
146 J/kg
Mixed-layer CIN
-222 J/kg
Mixed-layer LCL
1072 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
208 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

469 
WGUS53 KJKL 201431
FFWJKL
KYC025-119-129-131-165-193-197-237-202030-
/O.NEW.KJKL.FF.W.0025.110620T1431Z-110620T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON KY
1031 AM EDT MON JUN 20 2011

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BREATHITT COUNTY IN SOUTHEAST KENTUCKY...
  EAST CENTRAL POWELL COUNTY IN EAST CENTRAL KENTUCKY...
  EXTREME EAST CENTRAL LEE COUNTY IN SOUTHEAST KENTUCKY...
  EXTREME NORTH CENTRAL LESLIE COUNTY IN SOUTHEAST KENTUCKY...
  NORTH CENTRAL PERRY COUNTY IN SOUTHEAST KENTUCKY...
  WEST CENTRAL KNOTT COUNTY IN SOUTHEAST KENTUCKY...
  WESTERN MENIFEE COUNTY IN EAST CENTRAL KENTUCKY...
  WOLFE COUNTY IN SOUTHEAST KENTUCKY...

* UNTIL 430 PM EDT

* AT 1030 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. OVER 2 INCHES OF RAIN HAS FALLEN THIS MORNING THROUGH
  1030 AM. UP TO AN ADDITIONAL 2 INCHES OF RAIN IS POSSIBLE FROM 
  11 AM TO 1 PM EDT. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  CAMPTON...FRENCHBURG...JACKSON...ALTRO...ARY...BAPTIST...BARWICK...
  BAYS...BEARVILLE...BETHANY...BUCK...BUSH BRANCH...CALABOOSE...
  CHAVIES...CLAYHOLE...COPLAND...CURT...DICE...DUMONT...ELKATAWA...
  EMMALENA...FAGAN...FISTY...FIVEMILE...FLAT...FLINTVILLE...FROZEN
  CREEK...GENTRY...GOSNEYVILLE AND GRANNIE.

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 3795 8358 3790 8354 3778 8345 3765 8325
      3734 8302 3727 8335 3761 8351 3773 8366
      3791 8371 3803 8367

$$

SBH
2 follow-up statements
907 
WGUS73 KJKL 201605
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
1205 PM EDT MON JUN 20 2011

KYC025-119-129-131-165-193-197-237-202030-
/O.CON.KJKL.FF.W.0025.000000T0000Z-110620T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MENIFEE KY-POWELL KY-WOLFE KY-LEE KY-BREATHITT KY-KNOTT KY-PERRY KY-
LESLIE KY-
1205 PM EDT MON JUN 20 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EXTREME NORTH CENTRAL
LESLIE...NORTHERN PERRY...WEST CENTRAL KNOTT...BREATHITT...EXTREME
EAST CENTRAL LEE...WOLFE...EAST CENTRAL POWELL AND WESTERN MENIFEE
COUNTIES UNTIL 430 PM EDT...

AT 1155 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS CONTINUED TO EFFECT AREAS FROM JACKSON TO HAZARD...BUT 
THE RAINFALL WAS DECREASING IN INTENSITY. RAINFALL AMOUNTS IN EXCESS 
OF 3 INCHES HAVE OCCURRED OVER PARTS OF THE WARNED AREA THIS 
MORNING. THE TOWNHILL RAIN GAGE NEAR JACKSON RECORDED 3.66 INCHES IN 
6 HOURS...WITH 3.23 FALLING WITHIN 3 HOURS. 

UP TO 1 INCH OF RAIN IS EXPECTED FROM NOON TO 2 PM EDT...MAINLY 
SOUTH OF JACKSON. ADDITIONAL HEAVY RAIN IS POSSIBLE THIS AFTERNOON. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO 
CONTINUE.  

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 3795 8358 3790 8354 3778 8345 3765 8325
      3734 8302 3727 8335 3761 8351 3773 8366
      3791 8371 3803 8367

$$

SBH
775 
WGUS73 KJKL 201955
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
355 PM EDT MON JUN 20 2011

KYC025-119-129-131-165-193-197-237-202010-
/O.CAN.KJKL.FF.W.0025.000000T0000Z-110620T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MENIFEE KY-POWELL KY-WOLFE KY-LEE KY-BREATHITT KY-KNOTT KY-PERRY KY-
LESLIE KY-
355 PM EDT MON JUN 20 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR EXTREME NORTH
CENTRAL LESLIE...NORTHERN PERRY...WEST CENTRAL KNOTT...BREATHITT...
EXTREME EAST CENTRAL LEE...WOLFE...EAST CENTRAL POWELL AND WESTERN
MENIFEE 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 3795 8358 3790 8354 3778 8345 3765 8325
      3734 8302 3727 8335 3761 8351 3773 8366
      3791 8371 3803 8367

$$

SBH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 1:46 AM EDTSevere Thunderstorm WarningJKLLaurel, Pulaski, Rockcastle29 min
Jun 20, 2:01 AM EDTSevere Thunderstorm WarningJKLClay, Knox, Laurel, Whitley29 min
Jun 20, 2:10 AM EDTAreal Flood AdvisoryJKLBell, Clay, Jackson, Knox, Laurel, McCreary and 3 more5 hr
Jun 20, 2:25 AM EDTSevere Thunderstorm WarningJKLBell, Harlan, Knox50 min
Jun 20, 2:34 AM EDTFlash Flood WarningJKLLaurel, Pulaski, Rockcastle4 hr
Jun 20, 2:48 AM EDTAreal Flood AdvisoryJKLBell, Harlan, Knox, Whitley5 hr
Jun 20, 2:59 AM EDTFlash Flood WarningJKLKnox, Laurel, McCreary, Whitley6 hr
Jun 20, 3:07 AM EDTSevere Thunderstorm WarningJKLBell, Harlan, Knox, Whitley38 min
Jun 20, 3:55 AM EDTAreal Flood AdvisoryJKLBell, Knox, Laurel, McCreary, Pulaski, Whitley3 hr
Jun 20, 4:05 AM EDTFlash Flood WarningJKLBell, Knox, Whitley5 hr
Jun 20, 4:34 AM EDTSevere Thunderstorm WarningJKLBell26 min
Jun 20, 5:20 AM EDTSevere Thunderstorm WarningJKLJackson, Lee, Owsley25 min
Jun 20, 6:08 AM EDTFlash Flood WarningJKLBell, Whitley3 hr
Jun 20, 7:01 AM EDTAreal Flood AdvisoryJKLBreathitt, Clay, Estill, Jackson, Lee, Montgomery and 3 more3 hr
Jun 20, 8:26 AM EDTAreal Flood AdvisoryJKLBreathitt, Clay, Harlan, Knott, Leslie, Letcher and 2 more3 hr
Jun 20, 8:33 AM EDTAreal Flood WarningJKLBell, Harlan, Knox, Laurel, Whitley13 hr
Jun 20, 8:42 AM EDTSevere Thunderstorm WarningJKLHarlan, Knott, Leslie, Letcher, Perry48 min
Jun 20, 9:24 AM EDTSevere Thunderstorm WarningJKLBath, Menifee, Montgomery, Powell36 min
Jun 20, 9:29 AM EDTFlash Flood WarningJKLHarlan, Knott, Leslie, Letcher, Perry6 hr
Jun 20, 9:44 AM EDTAreal Flood AdvisoryJKLBath, Breathitt, Menifee, Montgomery, Morgan, Powell and 1 more106 min
Jun 20, 10:55 AM EDTAreal Flood AdvisoryJKLBath, Breathitt, Elliott, Fleming, Floyd, Knott and 5 more5 hr
Jun 20, 11:06 AM EDTFlash Flood WarningJKLBreathitt, Lee, Leslie, Owsley, Perry, Wolfe5 hr
Jun 20, 1:37 PM EDTFlash Flood WarningJKLBath, Fleming, Rowan2 hr
Jun 20, 6:11 PM EDTRiver Flood AdvisoryJKLLee22 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.