Alert archive / Kentucky / Flash Flood Warnings in 2011

Flash Flood Warning 20, NWS Jackson, KY

June 20, 2011Laurel County, Pulaski County, Rockcastle County, Kentucky

NWS Jackson, KY issued this flash flood warning at Jun 20, 2011, 2:34 AM EDT for Laurel County, Pulaski County, Rockcastle County, Kentucky. It was in force for 4 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: Jun 20, 2011, 2:34 AM EDT (06:34 UTC)
Expired: Jun 20, 2011, 6:32 AM EDT
In force: 4 hr
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Flood severity: None

Counties Laurel County, KY, Pulaski County, KY, Rockcastle County, KY

The radar

The Jackson,KY radar (KJKL), 112 km from the middle of the area, began a volume at 06:35 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 00:00Z, 6.6 hours before the alert went out and 223 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: 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.

712 
WGUS53 KJKL 200634
FFWJKL
KYC125-199-203-201230-
/O.NEW.KJKL.FF.W.0020.110620T0634Z-110620T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PULASKI COUNTY IN SOUTH CENTRAL KENTUCKY...
  SOUTHWESTERN ROCKCASTLE COUNTY IN SOUTH CENTRAL KENTUCKY...
  WESTERN LAUREL COUNTY IN SOUTH CENTRAL KENTUCKY...

* UNTIL 830 AM EDT

* AT 232 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. RADAR ESTIMATES THAT AROUND TWO INCHES OF RAIN HAVE
  FALLEN OVER PARTS OF NORTHEASTERN PULASKI COUNTY AND WESTERN
  LAUREL COUNTY. ADDITIONAL THUNDERSTORMS PRODUCING HEAVY RAINFALL
  ARE MOVING INTO THE AREA AND ONE TO TWO INCHES OF RAIN IS POSSIBLE
  OVER SECTIONS OF THE WARNED AREA BETWEEN 230 AM EDT AND 430 AM
  EDT.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  LONDON...BALDROCK...BANDY...BEE LICK...BENT...BERNSTADT...
  BILLOWS...BLOSS...BOBTOWN...BROMO...BUNCH...CARMICHAEL...
  CEDARVILLE...DABNEY...DYKES...GRADE...HANSFORD...HIGHTOP...HOGUE...
  HOLLY BAY REC. AREA...HUXLEY...LEVEL GREEN...LUNER...MOUNT
  VICTORY...OTTOWA...PITTSBURG...PONGO...PULASKI...QUAIL AND
  ROCKCASTLE SPRINGS.

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 3720 8481 3736 8458 3734 8452 3741 8448
      3713 8404 3695 8426 3697 8427 3694 8431
      3694 8435

$$

PELTON

1 follow-up statement

447 
WGUS73 KJKL 201032
FFSJKL

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

KYC125-199-203-201047-
/O.CAN.KJKL.FF.W.0020.000000T0000Z-110620T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ROCKCASTLE KY-PULASKI KY-LAUREL KY-
632 AM EDT MON JUN 20 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR WESTERN LAUREL...
PULASKI AND SOUTHWESTERN ROCKCASTLE COUNTIES IS CANCELLED...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. CALLS 
TO COUNTY DISPATCH CENTERS INDICATED THAT 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 3720 8481 3736 8458 3734 8452 3741 8448
      3713 8404 3695 8426 3697 8427 3694 8431
      3694 8435

$$

PELTON

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 1:46 AM EDT	Severe Thunderstorm Warning	JKL	Laurel, Pulaski, Rockcastle	29 min
Jun 20, 2:01 AM EDT	Severe Thunderstorm Warning	JKL	Clay, Knox, Laurel, Whitley	29 min
Jun 20, 2:10 AM EDT	Areal Flood Advisory	JKL	Bell, Clay, Jackson, Knox, Laurel, McCreary and 3 more	5 hr
Jun 20, 2:25 AM EDT	Severe Thunderstorm Warning	JKL	Bell, Harlan, Knox	50 min
Jun 20, 2:48 AM EDT	Areal Flood Advisory	JKL	Bell, Harlan, Knox, Whitley	5 hr
Jun 20, 2:59 AM EDT	Flash Flood Warning	JKL	Knox, Laurel, McCreary, Whitley	6 hr
Jun 20, 3:07 AM EDT	Severe Thunderstorm Warning	JKL	Bell, Harlan, Knox, Whitley	38 min
Jun 20, 3:55 AM EDT	Areal Flood Advisory	JKL	Bell, Knox, Laurel, McCreary, Pulaski, Whitley	3 hr
Jun 20, 4:05 AM EDT	Flash Flood Warning	JKL	Bell, Knox, Whitley	5 hr
Jun 20, 4:34 AM EDT	Severe Thunderstorm Warning	JKL	Bell	26 min
Jun 20, 5:20 AM EDT	Severe Thunderstorm Warning	JKL	Jackson, Lee, Owsley	25 min
Jun 20, 6:08 AM EDT	Flash Flood Warning	JKL	Bell, Whitley	3 hr
Jun 20, 7:01 AM EDT	Areal Flood Advisory	JKL	Breathitt, Clay, Estill, Jackson, Lee, Montgomery and 3 more	3 hr
Jun 20, 8:26 AM EDT	Areal Flood Advisory	JKL	Breathitt, Clay, Harlan, Knott, Leslie, Letcher and 2 more	3 hr
Jun 20, 8:33 AM EDT	Areal Flood Warning	JKL	Bell, Harlan, Knox, Laurel, Whitley	13 hr
Jun 20, 8:42 AM EDT	Severe Thunderstorm Warning	JKL	Harlan, Knott, Leslie, Letcher, Perry	48 min
Jun 20, 9:24 AM EDT	Severe Thunderstorm Warning	JKL	Bath, Menifee, Montgomery, Powell	36 min
Jun 20, 9:29 AM EDT	Flash Flood Warning	JKL	Harlan, Knott, Leslie, Letcher, Perry	6 hr
Jun 20, 9:44 AM EDT	Areal Flood Advisory	JKL	Bath, Breathitt, Menifee, Montgomery, Morgan, Powell and 1 more	106 min
Jun 20, 10:31 AM EDT	Flash Flood Warning	JKL	Breathitt, Knott, Lee, Leslie, Menifee, Perry and 2 more	5 hr
Jun 20, 10:55 AM EDT	Areal Flood Advisory	JKL	Bath, Breathitt, Elliott, Fleming, Floyd, Knott and 5 more	5 hr
Jun 20, 11:06 AM EDT	Flash Flood Warning	JKL	Breathitt, Lee, Leslie, Owsley, Perry, Wolfe	5 hr
Jun 20, 1:37 PM EDT	Flash Flood Warning	JKL	Bath, Fleming, Rowan	2 hr
Jun 20, 6:11 PM EDT	River Flood Advisory	JKL	Lee	22 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.