Alert archive / Kentucky / Flash Flood Warnings in 2011

Flash Flood Warning 8, NWS Jackson, KY

April 16, 2011Bell County, Harlan County, Kentucky

NWS Jackson, KY issued this flash flood warning at Apr 16, 2011, 6:02 AM EDT for Bell County, Harlan 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: Apr 16, 2011, 6:02 AM EDT (10:02 UTC)
Expired: Apr 16, 2011, 10:00 AM EDT
In force: 4 hr
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Flood severity: None

Counties Bell County, KY, Harlan County, KY

The radar

The Knoxville radar (KMRX), 69 km from the middle of the area, began a volume at 10:06 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
Apr 16, 6:10 AM EDT	FLASH FLOOD	Evarts, KY	A FOOT OF WATER FLOWING OVER BOTH LANES OF HWY 38.
Apr 16, 6:10 AM EDT	FLASH FLOOD	Wallins Creek, KY	SIX INCHES OF WATER FLOWING OVER HWY 219.

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, 10.0 hours before the alert went out and 292 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: 17 J/kg
Mixed-layer CIN: -126 J/kg
Mixed-layer LCL: 773 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 471 m²/s²
0-3 km storm-relative helicity: 487 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

347 
WGUS53 KJKL 161002
FFWJKL
KYC013-095-161400-
/O.NEW.KJKL.FF.W.0008.110416T1002Z-110416T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON KY
602 AM EDT SAT APR 16 2011

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN BELL COUNTY IN SOUTHEAST KENTUCKY...
  WESTERN HARLAN COUNTY IN SOUTHEAST KENTUCKY...

* UNTIL 1000 AM EDT

* AT 600 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
  AREA OF HEAVY RAIN SHOWERS MOVING ACROSS THE WARNED AREA

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  HARLAN...AGES...ALVA...BALKAN...BARDO...BAXTER...BIG LAUREL...BLACK
  SNAKE...BLACKJOE...BLEDSOE...BOBS CREEK...BROOKSIDE...CALLAWAY...
  CALVIN...CHEVROLET...CLOVERTOWN...COBURN...COLDIRON...COXTON...
  CRUMMIES...CUBAGE...DIVIDE...DRAPER...DRESSEN...ELCOMB...EVARTS...
  FARMERS MILL...FLAGLER...FRESH MEADOWS AND GATUN.

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 3681 8360 3690 8343 3689 8341 3692 8338
      3697 8327 3702 8318 3673 8321 3670 8337
      3667 8342 3666 8354 3662 8367 3659 8369

$$

ABE

2 follow-up statements

573 
WGUS73 KJKL 161049
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
649 AM EDT SAT APR 16 2011

KYC013-095-161400-
/O.CON.KJKL.FF.W.0008.000000T0000Z-110416T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARLAN KY-BELL KY-
649 AM EDT SAT APR 16 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EAST CENTRAL BELL AND
WESTERN HARLAN COUNTIES UNTIL 1000 AM EDT...

AT 640 AM EDT...HARLAN COUNTY EMERGENCY MANAGEMENT REPORTED THAT 
FLASH FLOODING WAS OCCURRING ON HIGHWAY 219 IN WALLINS CREEK AND ON 
HIGHWAY 38 IN EVARTS. OCCASIONAL HEAVY RAIN SHOWERS WILL CONTINUE TO 
MOVE NORTHEAST OVER THE WARNED AREA THIS MORNING. RUNOFF FROM THIS 
RAIN WILL CONTINUE TO PRODUCE AREAS OF FLASH FLOODING.

SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE... 
HARLAN...BAXTER...BIG LAUREL...AND CALVIN.

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 3681 8360 3690 8343 3689 8341 3692 8338
      3697 8327 3702 8318 3673 8321 3670 8337
      3667 8342 3666 8354 3662 8367 3659 8369

$$

ABE

125 
WGUS73 KJKL 161356
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
956 AM EDT SAT APR 16 2011

KYC013-095-161412-
/O.EXP.KJKL.FF.W.0008.000000T0000Z-110416T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARLAN KY-BELL KY-
956 AM EDT SAT APR 16 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR EAST CENTRAL BELL
AND WESTERN HARLAN COUNTIES WILL BE ALLOWED TO EXPIRE AT 1000 AM
EDT...

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 3681 8360 3690 8343 3689 8341 3692 8338
      3697 8327 3702 8318 3673 8321 3670 8337
      3667 8342 3666 8354 3662 8367 3659 8369

$$

GEOGERIAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 16, 12:23 AM EDT	Areal Flood Advisory	JKL	Bell, Knox, Laurel, McCreary, Pulaski, Rockcastle and 2 more	6 hr
Apr 16, 2:47 AM EDT	Areal Flood Advisory	JKL	Bath, Elliott, Menifee, Morgan, Powell, Rowan and 1 more	4 hr
Apr 16, 3:13 AM EDT	Areal Flood Advisory	JKL	Elliott, Floyd, Johnson, Knott, Magoffin, Martin and 1 more	4 hr
Apr 16, 3:56 AM EDT	River Flood Advisory	JKL	Estill	7 hr
Apr 16, 4:29 AM EDT	River Flood Advisory	JKL	Lee	60 hr
Apr 16, 5:19 AM EDT	Areal Flood Advisory	JKL	Floyd, Harlan, Knott, Leslie, Letcher, Perry and 1 more	7 hr
Apr 16, 6:55 AM EDT	Areal Flood Advisory	JKL	Breathitt, Elliott, Floyd, Johnson, Knott, Leslie and 7 more	4 hr
Apr 16, 7:03 AM EDT	River Flood Advisory	JKL	Bell	4 hr
Apr 16, 7:23 AM EDT	River Flood Advisory	JKL	Harlan	5 hr
Apr 16, 7:39 AM EDT	River Flood Advisory	JKL	Whitley	3 hr
Apr 16, 7:51 AM EDT	Flash Flood Warning	JKL	Floyd, Knott, Martin, Pike	5 hr
Apr 16, 8:12 AM EDT	Areal Flood Advisory	JKL	Estill, Lee, Menifee, Powell, Wolfe	4 hr
Apr 16, 10:05 AM EDT	River Flood Warning	JKL	Bell	19 hr
Apr 16, 10:16 AM EDT	River Flood Warning	JKL	Whitley	56 hr
Apr 16, 10:26 AM EDT	River Flood Warning	JKL	Estill	46 hr
Apr 16, 11:51 AM EDT	River Flood Advisory	JKL	Estill, Powell	21 hr
Apr 16, 11:52 AM EDT	River Flood Warning	JKL	Knox	35 hr
Apr 16, 12:49 PM EDT	Areal Flood Warning	JKL	Martin	9 hr
Apr 16, 2:17 PM EDT	River Flood Advisory	JKL	Owsley	23 hr
Apr 16, 4:02 PM EDT	River Flood Advisory	JKL	Clay	7 hr
Apr 16, 5:01 PM EDT	River Flood Advisory	JKL	Magoffin	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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.