Alert archive / Kentucky / Flash Flood Warnings in 2012

Flash Flood Warning 9, NWS Jackson, KY

March 15, 2012Harlan County, Leslie County, Kentucky

NWS Jackson, KY issued this flash flood warning at Mar 15, 2012, 5:27 PM EDT for Harlan County, Leslie County, Kentucky. It was in force for 4 hr. 2 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: Mar 15, 2012, 5:27 PM EDT (21:27 UTC)
Expired: Mar 15, 2012, 9:30 PM EDT
In force: 4 hr
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Flood severity: None

Counties Harlan County, KY, Leslie County, KY

The radar

The Jackson,KY radar (KJKL), 76 km from the middle of the area, began a volume at 21:27 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

Time	Report	Where	Remark
Mar 15, 5:50 PM EDT	FLASH FLOOD	1 S Warbranch, KY	FLASH FLOODING ALONG HWY 1780 AND 2058 WITH REPORTS OF SOME STRUCTURES DAMAGED BY FLOOD WATERS.
Mar 15, 6:21 PM EDT	FLASH FLOOD	4 N Bledsoe, KY	BRIDGE ON THE HOLLOW ROAD IS UNDER WATER COVERED WITH DEBRIS. SIX TO TWELVE INCHES OF WATER FLOWING OVER THE BRIDGE.

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, 9.5 hours before the alert went out and 285 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: 1236 J/kg
Mixed-layer CIN: -110 J/kg
Mixed-layer LCL: 1005 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 133 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

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

089 
WGUS53 KJKL 152127
FFWJKL
KYC095-131-160130-
/O.NEW.KJKL.FF.W.0009.120315T2127Z-120316T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON KY
527 PM EDT THU MAR 15 2012

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN HARLAN COUNTY IN SOUTHEAST KENTUCKY...
  SOUTHERN LESLIE COUNTY IN SOUTHEAST KENTUCKY...

* UNTIL 930 PM EDT

* AT 525 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  NEARLY STATIONARY THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS    
  THE WARNED AREA. WELL OVER AN INCH OF RAIN HAS FALLEN IN SOME
  LOCATIONS BETWEEN 4:30 AND 5:15 PM. UP TO AN ADDITIONAL INCH
  OF RAIN IS EXPECTED TO FALL ACROSS THE AREA BETWEEN 5:30 AND 6:30  
  PM. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BAILEY CREEK...BENITO...BLACK BOTTOM...BLACK MOUNTAIN...BLEDSOE...
  CLOSPLINT...CLOVER-DARBY...COLTS...DARKMONT...DIVIDE...DIZNEY...
  DRAPER...EVARTS...GANO...GEORGETOWN...HIGHSPLINT...HOLMES MILL...
  INCLINE...JONESBURG...KELLIOKA...KENTENIA STATE FOREST...KENVIR...
  LADEN...LEJUNIOR...LEONARD...LEWIS CREEK...LOUELLEN...MOZELLE...
  NAPIER AND NOLANSBURG.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
MIDDLE FORK KENTUCKY RIVER...GREASY CREEK...CLOVER FORK CUMBERLAND
RIVER...POOR FORK CUMBERLAND RIVER...REUBEN BRANCH...BEECH FORK...ELK
CREEK...JERRY FORK...FUGITT CREEK...LINE FORK...LAUREL FORK...LOVELY 
BRANCH...RIGHT FORK BILL BRANCH...WHITE OAK CREEK...UPPER JACKS 
CREEK...JESSE FORK...STRAIGHT CREEK...YOCUM CREEK...BRITTON 
CREEK...TURNER CREEK...AND SPRUCE PINE CREEK.

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 3693 8351 3700 8352 3701 8351 3704 8353
      3691 8293 3686 8294 3686 8299 3684 8301
      3685 8303 3685 8307 3683 8310

$$

GEOGERIAN

1 follow-up statement

497 
WGUS73 KJKL 152149
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
549 PM EDT THU MAR 15 2012

KYC095-131-160130-
/O.CON.KJKL.FF.W.0009.000000T0000Z-120316T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LESLIE KY-HARLAN KY-
549 PM EDT THU MAR 15 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHERN HARLAN AND
SOUTHERN LESLIE COUNTIES UNTIL 930 PM EDT...

AT 546 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL GRADUALLY WINDING DOWN 
ACROSS THE WARNED AREA. UP TO AN ADDITIONAL HALF INCH OF RAIN IS 
EXPECTED BETWEEN 5:45 AND 6:15 PM.  

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING 
INCLUDE...BAILEY CREEK...BLEDSOE...BLACK BOTTOM... 
DARKMONT...WARBRANCH...MOZELLE...NOLANSBURG AND PINE MOUNTAIN.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...BEECH 
FORK...MIDDLE FORK KENTUCKY RIVER...GREASY CREEK...FUGITT 
CREEK...LINE FORK...LAUREL FORK...LOVELY BRANCH...RIGHT FORK BILL 
BRANCH...WHITE OAK CREEK...GABES CREEK...LITTLE LAUREL CREEK...AGES 
CREEK...BAILEY CREEK...UPPER JACKS CREEK...JESSE FORK...STRAIGHT 
CREEK...RED BIRD CREEK AND SPRUCE PINE CREEK.

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 3693 8351 3700 8352 3701 8351 3704 8353
      3691 8293 3686 8294 3686 8299 3684 8301
      3685 8303 3685 8307 3683 8310

$$

GEOGERIAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 15, 5:05 AM EDT	Severe Thunderstorm Warning	JKL	Knox, Laurel, Whitley	40 min
Mar 15, 5:47 AM EDT	Severe Thunderstorm Warning	JKL	Bell, Knox	43 min
Mar 15, 6:49 AM EDT	Severe Thunderstorm Warning	JKL	Bell, Harlan, Knox	26 min
Mar 15, 1:33 PM EDT	Areal Flood Advisory	JKL	Floyd, Pike	3 hr
Mar 15, 1:55 PM EDT	Areal Flood Advisory	JKL	Breathitt, Floyd, Knott, Letcher, Magoffin, Perry and 1 more	3 hr
Mar 15, 2:03 PM EDT	Severe Thunderstorm Warning	JKL	Knott	42 min
Mar 15, 2:22 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Lee, Owsley	38 min
Mar 15, 2:49 PM EDT	Flash Flood Warning	JKL	Pike	3 hr
Mar 15, 3:21 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Knott, Leslie, Perry	39 min
Mar 15, 3:51 PM EDT	Areal Flood Advisory	JKL	Breathitt, Clay, Harlan, Knott, Leslie, Letcher and 2 more	3 hr
Mar 15, 3:59 PM EDT	Severe Thunderstorm Warning	JKL	Clay, Leslie, Perry	46 min
Mar 15, 4:16 PM EDT	Severe Thunderstorm Warning	JKL	Harlan, Leslie, Letcher, Perry	59 min
Mar 15, 4:52 PM EDT	Severe Thunderstorm Warning	JKL	Bell, Clay, Harlan, Knox, Leslie	53 min
Mar 15, 5:03 PM EDT	Areal Flood Advisory	JKL	Harlan, Leslie, Letcher, Perry	3 hr
Mar 15, 5:57 PM EDT	Areal Flood Advisory	JKL	Estill, Lee	2 hr
Mar 15, 6:24 PM EDT	Severe Thunderstorm Warning	JKL	Estill, Jackson, Lee	36 min
Mar 15, 6:32 PM EDT	Severe Thunderstorm Warning	JKL	Bath, Fleming, Montgomery	43 min
Mar 15, 6:34 PM EDT	Severe Thunderstorm Warning	JKL	Bath, Estill, Menifee, Montgomery, Powell	41 min
Mar 15, 6:40 PM EDT	Flash Flood Warning	JKL	Estill, Jackson, Lee	3 hr
Mar 15, 6:44 PM EDT	Severe Thunderstorm Warning	JKL	Wayne	46 min
Mar 15, 6:52 PM EDT	Areal Flood Advisory	JKL	Breathitt, Estill, Jackson, Lee, Owsley	3 hr
Mar 15, 7:00 PM EDT	Flash Flood Warning	JKL	Breathitt, Jackson, Lee, Owsley	3 hr
Mar 15, 7:17 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Jackson, Lee, Owsley	43 min
Mar 15, 7:24 PM EDT	Areal Flood Advisory	JKL	Clay, Knox, Laurel, Leslie	3 hr
Mar 15, 7:34 PM EDT	Severe Thunderstorm Warning	JKL	Bath, Estill, Menifee, Montgomery, Powell	26 min
Mar 15, 7:37 PM EDT	Areal Flood Advisory	JKL	Menifee	2 hr
Mar 15, 7:56 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Clay, Jackson, Lee, Owsley	49 min

Nearby

Flash Flood Warnings in Kentucky, 2012 Every flash flood warning in 2012

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.