Alert archive / Kentucky / Flash Flood Warnings in 2011

Flash Flood Warning 11, NWS Jackson, KY

April 27, 20114 counties in Kentucky

NWS Jackson, KY issued this flash flood warning at Apr 27, 2011, 7:03 PM 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
Apr 27, 2011, 7:03 PM EDT (23:03 UTC)
Expired
Apr 28, 2011, 1:00 AM EDT
In force
6 hr
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

Counties Bell County, KY, Knox County, KY, McCreary County, KY, Whitley County, KY

The radar

The Jackson,KY radar (KJKL), 89 km from the middle of the area, began a volume at 23:04 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
Apr 27, 8:00 PM EDTFLASH FLOODBarbourville, KY18 INCHES OF WATER FLOWING ON CUMBERLAND AVENUE

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 12:00Z, 11.1 hours before the alert went out and 263 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 12:00Z on 2011-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 12:00Z on 2011-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -84 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
714 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
-84 m²/s²
0-3 km storm-relative helicity
-38 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.

408 
WGUS53 KJKL 272303
FFWJKL
KYC013-121-147-235-280500-
/O.NEW.KJKL.FF.W.0011.110427T2303Z-110428T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON KY
703 PM EDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  KNOX COUNTY IN SOUTHEAST KENTUCKY...
  NORTHWESTERN BELL COUNTY IN SOUTHEAST KENTUCKY...
  SOUTHEASTERN MCCREARY COUNTY IN SOUTH CENTRAL KENTUCKY...
  SOUTHEASTERN WHITLEY COUNTY IN SOUTH CENTRAL KENTUCKY...

* UNTIL 100 AM EDT

* AT 700 PM EDT...A TRAINED WEATHER SPOTTER REPORTED FLASH FLOODING 
  OCCURRING ON HIGHWAY 25 AT MOUNTAIN ASH. THUNDERSTORMS WITH VERY 
  HEAVY RAINFALL WILL CONTINUE TO MOVE OVER THE WARNED AREA THIS   
  EVENING...PRODUCING EXCESSIVE RAINFALL.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
  BARBOURVILLE...PINEVILLE...WILLIAMSBURG...ARJAY...ARKLE...
  ARTEMUS...AVIS...AYERS...BAILEYS SWITCH...BARNYARD...BAUGHMAN...
  BENTLEY STATION...BERTHA STATION...BIMBLE...BIRDSEYE...BLANCHE...
  BON...BOONE HEIGHTS...BOUNTY...BRUSH CREEK...BRYANTS STORE...
  CANNON...CARPENTER...CARY...CHENOA...CLATE...CRANES NEST...
  DAVISBURG...DEWITT AND DISHMAN SPRINGS.

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 3660 8444 3704 8384 3703 8383 3704 8380
      3702 8378 3703 8375 3699 8371 3697 8365
      3694 8351 3692 8350 3691 8351 3659 8392

$$

HAL
2 follow-up statements
192 
WGUS73 KJKL 280138
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
938 PM EDT WED APR 27 2011

KYC013-121-147-235-280500-
/O.CON.KJKL.FF.W.0011.000000T0000Z-110428T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KNOX KY-WHITLEY KY-MCCREARY KY-BELL KY-
938 PM EDT WED APR 27 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHWESTERN BELL...
SOUTHEASTERN MCCREARY...SOUTHEASTERN WHITLEY AND KNOX COUNTIES UNTIL
100 AM EDT...

STREET FLOODING WAS REPORTED IN BARBOURVILLE AROUND 8 PM...BUT THE 
WATER HAD SINCE RECEDED. HOWEVER...AT 930 PM RAIN WITH EMBEDDED 
THUNDERSTORMS CONTINUED TO AFFECT THE WARNING AREA...BRINGING 
EXCESSIVE RAINFALL.

RUNOFF FROM THIS EXCESSIVE RAINFALL MAY CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT MAY EXPERIENCE FLASH FLOODING INCLUDE...
BARBOURVILLE...PINEVILLE...WILLIAMSBURG...ARKLE...ARTEMUS...AVIS...
AYERS...BAILEYS SWITCH...BARNYARD...BAUGHMAN...BENTLEY STATION...
BIMBLE...BIRDSEYE...BLANCHE...BON...BOONE HEIGHTS...BOUNTY...BRUSH
CREEK...BRYANTS STORE...CANNON...CARPENTER...CARY...CHENOA...CLATE...
CRANES NEST...DAVISBURG...DEWITT...DISHMAN SPRINGS...DIXIE AND EMLYN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
&&

LAT...LON 3660 8444 3704 8384 3703 8383 3704 8380
      3702 8378 3703 8375 3699 8371 3697 8365
      3694 8351 3692 8350 3691 8351 3659 8392

$$

HAL
251 
WGUS73 KJKL 280502
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
102 AM EDT THU APR 28 2011

KYC013-121-147-235-280517-
/O.EXP.KJKL.FF.W.0011.000000T0000Z-110428T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KNOX KY-WHITLEY KY-MCCREARY KY-BELL KY-
102 AM EDT THU APR 28 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHWESTERN
BELL...SOUTHEASTERN MCCREARY...SOUTHEASTERN WHITLEY AND KNOX COUNTIES
HAS BEEN ALLOWED TO EXPIRE...

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 3660 8444 3704 8384 3703 8383 3704 8380
      3702 8378 3703 8375 3699 8371 3697 8365
      3694 8351 3692 8350 3691 8351 3659 8392

$$

HAL

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 8:27 AM EDTSevere Thunderstorm WarningJKLPulaski, Wayne33 min
Apr 27, 8:36 AM EDTTornado WarningJKLWayne24 min
Apr 27, 8:53 AM EDTTornado WarningJKLPulaski, Wayne38 min
Apr 27, 9:16 AM EDTSevere Thunderstorm WarningJKLEstill, Jackson, Laurel, Pulaski, Rockcastle44 min
Apr 27, 9:24 AM EDTSevere Thunderstorm WarningJKLLaurel, McCreary, Whitley51 min
Apr 27, 10:02 AM EDTSevere Thunderstorm WarningJKLClay, Jackson, Laurel43 min
Apr 27, 5:23 PM EDTSevere Thunderstorm WarningJKLKnox, Laurel, McCreary, Whitley37 min
Apr 27, 5:44 PM EDTTornado WarningJKLBell, Knox, McCreary, Whitley46 min
Apr 27, 6:37 PM EDTTornado WarningJKLBell, Knox, McCreary, Whitley38 min
Apr 27, 7:07 PM EDTTornado WarningJKLBell, Harlan, Leslie38 min
Apr 27, 7:22 PM EDTSevere Thunderstorm WarningJKLMcCreary, Pulaski, Wayne, Whitley38 min
Apr 27, 7:29 PM EDTAreal Flood AdvisoryJKLBath, Clay, Estill, Fleming, Jackson, Knox and 13 more6 hr
Apr 27, 7:42 PM EDTTornado WarningJKLBell, Harlan, Leslie, Letcher, Perry48 min
Apr 27, 7:51 PM EDTFlash Flood WarningJKLKnox, Laurel, McCreary, Whitley6 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.