Alert archive / Kentucky / Flash Flood Warnings in 2011

Flash Flood Warning 21, NWS Jackson, KY

June 20, 20114 counties in Kentucky

NWS Jackson, KY issued this flash flood warning at Jun 20, 2011, 2:59 AM EDT for 4 counties in Kentucky. It was in force for 6 hr. 1 report 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, 2:59 AM EDT (06:59 UTC)
Expired
Jun 20, 2011, 9:00 AM EDT
In force
6 hr
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

Counties Knox County, KY, Laurel County, KY, McCreary County, KY, Whitley County, KY

The radar

The Jackson,KY radar (KJKL), 95 km from the middle of the area, began a volume at 07:01 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, 6:00 AM EDTHEAVY RAIN 4.33Bryants Store, KYFOUR HOUR RAINFALL TOTAL AT STATION STNK2 IN THE BRYANTS STORE VICINITY OF 4.33 INCHES.

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, 7.0 hours before the alert went out and 252 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 2011-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3898 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, Nashville Metro, TN at 00:00Z on 2011-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.193958Sfc1 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
3898 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
955 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
127 m²/s²
Significant tornado parameter
3.2
Supercell composite
14.9

Open this sounding in Storm Lab

The text

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

596 
WGUS53 KJKL 200659
FFWJKL
KYC121-125-147-235-201300-
/O.NEW.KJKL.FF.W.0021.110620T0659Z-110620T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EXTREME NORTHEASTERN MCCREARY COUNTY IN SOUTH CENTRAL KENTUCKY...
  KNOX COUNTY IN SOUTHEAST KENTUCKY...
  NORTHERN WHITLEY COUNTY IN SOUTH CENTRAL KENTUCKY...
  SOUTHERN LAUREL COUNTY IN SOUTH CENTRAL KENTUCKY...

* UNTIL 900 AM EDT

* AT 258 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. ADDITIONAL THUNDERSTORMS WITH HEAVY RAINFALL WILL
  TRACK ACROSS THE WARNED AREA OVERNIGHT. RADAR ESTIMATES THAT ONE
  AND ONE QUARTER TO TWO INCHES OF RAIN HAVE FALLEN OVER PARTS OF 
  WARNED AREA...WITH AN ADDITIONAL ONE TO TWO INCHES OF RAIN 
  POSSIBLE THROUGH 6 AM...WITH LOCALLY HIGHER AMOUNTS POSSIBLE.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BARBOURVILLE...ARKLE...ARTEMUS...AVIS...BAILEYS SWITCH...BARK
  CAMP...BARTON...BAUGHMAN...BENTLEY STATION...BERTHA STATION...
  BIMBLE...BIRDSEYE...BOONE HEIGHTS...BRUSH CREEK...BRYANTS STORE...
  CANNON...CLATE...CORBIN...DEERING...DEWITT...DISHMAN SPRINGS...
  DORTHAE...EMMANUEL...FABER...FARISTON...FLAT LICK...GARRICH...
  GAUSDALE...GIRDLER AND GRAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN VEHICLES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...DIPS...
OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM... EVEN A
SMALL ONE...ON FOOT OR IN A VEHICLE.

&&

LAT...LON 3687 8370 3672 8392 3694 8434 3712 8407

$$

PELTON
2 follow-up statements
163 
WGUS73 KJKL 200958
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
558 AM EDT MON JUN 20 2011

KYC121-125-147-235-201300-
/O.CON.KJKL.FF.W.0021.000000T0000Z-110620T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LAUREL KY-KNOX KY-WHITLEY KY-MCCREARY KY-
558 AM EDT MON JUN 20 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EXTREME NORTHEASTERN
MCCREARY...NORTHERN WHITLEY...KNOX AND SOUTHERN LAUREL COUNTIES UNTIL
900 AM EDT...

AT 555 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE HEAVIEST RAIN HAD ENDED. HOWEVER...SPOTTER AND DISPATCH
REPORTS INDICATE FLASH FLOODING ALONG BRUSH CREEK IN THE ARTEMUS
VICINITY AND LOCATIONS UPSTREAM ALONG KY HIGHWAY 225. RAINFALL OVER
THE PAST THREE TO FOUR HOURS HAS BEEN ESTIMATED AT BETWEEN THREE AND
FOUR INCHES OVER SOUTHERN AND WESTERN KNOX COUNTY.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
BARBOURVILLE...ARKLE...ARTEMUS...AVIS...BAILEYS SWITCH...BARK CAMP...
BARTON...BAUGHMAN...BENTLEY STATION...BERTHA STATION...BIMBLE...
BIRDSEYE...BOONE HEIGHTS...BRUSH CREEK...BRYANTS STORE...CANNON...
CLATE...CORBIN...CRANES NEST...DEERING...DEWITT...DISHMAN SPRINGS...
DORTHAE...EMMANUEL...FABER...FARISTON...GARRICH...GAUSDALE...GIRDLER
AND GRAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD RELATED DEATHS OCCUR IN VEHICLES. DO NOT ATTEMPT TO CROSS
BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY.
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT OR
IN A VEHICLE.

&&

LAT...LON 3687 8370 3672 8392 3694 8434 3712 8407

$$

PELTON
171 
WGUS73 KJKL 201253
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
853 AM EDT MON JUN 20 2011

KYC121-125-147-235-201306-
/O.EXP.KJKL.FF.W.0021.000000T0000Z-110620T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LAUREL KY-KNOX KY-WHITLEY KY-MCCREARY KY-
853 AM EDT MON JUN 20 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR EXTREME
NORTHEASTERN MCCREARY...NORTHERN WHITLEY...KNOX AND SOUTHERN LAUREL 
COUNTIES HAS BEEN REPLACED BY A FLOOD WARNING...

THE FLASH FLOOD WARNING THAT WAS IN EFFECT UNTIL 9 AM EDT HAS BEEN 
REPLACED BY A FLOOD WARNING FOR EASTERN WHITLEY COUNTY...KNOX
COUNTY...AND SOUTHEASTERN LAURELY COUNTY. PLEASE REFER TO THAT 
PRODUCT FOR FURTHER DETAILS.

IF FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW 
ENFORCEMENT AGENCY.

LAT...LON 3687 8370 3672 8392 3694 8434 3712 8407

$$

PELTON

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, 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, 10:31 AM EDTFlash Flood WarningJKLBreathitt, Knott, Lee, Leslie, Menifee, Perry and 2 more5 hr
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.