Alert archive / Kentucky / Flash Flood Warnings in 2012

Flash Flood Warning 35, NWS Jackson, KY

July 19, 20124 counties in Kentucky

NWS Jackson, KY issued this flash flood warning at Jul 19, 2012, 10:20 PM EDT for 4 counties in 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: Jul 19, 2012, 10:20 PM EDT (02:20 UTC)
Expired: Jul 20, 2012, 2:30 AM EDT
In force: 4 hr
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Flood severity: None

Counties McCreary County, KY, Pulaski County, KY, Wayne County, KY, Whitley County, KY

The radar

The Knoxville radar (KMRX), 135 km from the middle of the area, began a volume at 02:19 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, 2.3 hours before the alert went out and 189 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: 2853 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 1475 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: -3 m²/s²
0-3 km storm-relative helicity: 50 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.

243 
WGUS53 KJKL 200220
FFWJKL
KYC147-199-231-235-200630-
/O.NEW.KJKL.FF.W.0035.120720T0220Z-120720T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON KY
1020 PM EDT THU JUL 19 2012

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MCCREARY COUNTY IN SOUTH CENTRAL KENTUCKY...
  SOUTHWESTERN PULASKI COUNTY IN SOUTH CENTRAL KENTUCKY...
  WAYNE COUNTY IN SOUTH CENTRAL KENTUCKY...
  WHITLEY COUNTY IN SOUTH CENTRAL KENTUCKY...

* UNTIL 230 AM EDT

* AT 1020 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR            
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  MONTICELLO...WHITLEY CITY...WILLIAMSBURG...ALPINE...AYERS...
  BARRIER...BETSEY...BEULAH HEIGHTS...BLUE HERON...BON...BOUNTY...
  BRONSTON...BURFIELD...BURNSIDE...CABELL...CLIO...CO-OPERATIVE...
  COOPER...COOPERSVILLE...CUMBERLAND FALLS S.P....DELTA...DENNEY...
  DIXIE...DUCKRUN...EMLYN...FAIRVIEW...FAUBUSH...FRAZER...GATLIFF AND
  GENERAL BURNSIDE S.P..

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3661 8497 3663 8501 3671 8503 3676 8501
      3686 8507 3692 8496 3696 8495 3696 8490
      3700 8485 3705 8491 3711 8490 3711 8489
      3702 8451 3680 8405 3666 8394 3664 8396
      3660 8392 3659 8393

$$

GEOGERIAN

3 follow-up statements

408 
WGUS73 KJKL 200318
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
1118 PM EDT THU JUL 19 2012

KYC199-200332-
/O.CAN.KJKL.FF.W.0035.000000T0000Z-120720T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PULASKI KY-
1118 PM EDT THU JUL 19 2012

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHWESTERN
PULASKI COUNTY IS CANCELLED...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. IF 
FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW 
ENFORCEMENT AGENCY.

LAT...LON 3661 8497 3663 8501 3666 8500 3671 8503
      3676 8501 3686 8507 3692 8496 3696 8495
      3693 8469 3691 8462 3688 8461 3689 8458
      3687 8458 3690 8451 3689 8441 3680 8405
      3660 8392 3659 8393

$$

KYC147-231-235-200630-
/O.CON.KJKL.FF.W.0035.000000T0000Z-120720T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MCCREARY KY-WAYNE KY-WHITLEY KY-
1118 PM EDT THU JUL 19 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN WHITLEY...WAYNE
AND MCCREARY COUNTIES UNTIL 230 AM EDT...

AT 1117 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. SOME
LOCATIONS HAVE RECEIVED OVER AN INCH OF RAIN IN LESS THAN 30 MINUTES 
TIMES BETWEEN 10:30 AND 11:15 PM. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
MONTICELLO...WHITLEY CITY...WILLIAMSBURG...AYERS...BARRIER...
BETSEY...BEULAH HEIGHTS...BLUE HERON...BON...BOUNTY...BURFIELD...
CABELL...CLIO...CO-OPERATIVE...COOPER...COOPERSVILLE...CUMBERLAND
FALLS S.P....DELTA...DENNEY...DIXIE...DUCKRUN...EMLYN...FAIRVIEW...
GATLIFF...GOLDBUG...GREAT MEADOWS CAMPSITES...GREENWOOD...GREGORY...
GRIFFIN AND HIDALGO.

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.

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 3661 8497 3663 8501 3666 8500 3671 8503
      3676 8501 3686 8507 3692 8496 3696 8495
      3693 8469 3691 8462 3688 8461 3689 8458
      3687 8458 3690 8451 3689 8441 3680 8405
      3660 8392 3659 8393

$$

GEOGERIAN

125 
WGUS73 KJKL 200545
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
145 AM EDT FRI JUL 20 2012

KYC147-231-235-200630-
/O.CON.KJKL.FF.W.0035.000000T0000Z-120720T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MCCREARY KY-WAYNE KY-WHITLEY KY-
145 AM EDT FRI JUL 20 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN WHITLEY...WAYNE
AND MCCREARY COUNTIES UNTIL 230 AM EDT...

AT 144 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL REDEVELOPING ACROSS PORTIONS 
OF THE WARNED AREA. THESE CELLS COULD PRODUCE UP TO A QUICK HALF 
INCH OF RAIN ACROSS A GIVEN LOCATION BETWEEN 1:45 AND 2:30 AM. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
MONTICELLO...WHITLEY CITY...WILLIAMSBURG...AYERS...BARRIER...
BETSEY...BEULAH HEIGHTS...BLUE HERON...BON...BOUNTY...BURFIELD...
CABELL...CLIO...CO-OPERATIVE...COOPER...COOPERSVILLE...CUMBERLAND
FALLS S.P....DELTA...DENNEY...DIXIE...DUCKRUN...EMLYN...FAIRVIEW...
GATLIFF...GOLDBUG...GREAT MEADOWS CAMPSITES...GREENWOOD...GREGORY...
GRIFFIN AND HIDALGO.

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.

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 3661 8497 3663 8501 3666 8500 3671 8503
      3676 8501 3686 8507 3692 8496 3696 8495
      3693 8469 3691 8462 3688 8461 3689 8458
      3687 8458 3690 8451 3689 8441 3680 8405
      3660 8392 3659 8393

$$

GEOGERIAN

836 
WGUS73 KJKL 200631
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
231 AM EDT FRI JUL 20 2012

KYC147-231-235-200646-
/O.EXP.KJKL.FF.W.0035.000000T0000Z-120720T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MCCREARY KY-WAYNE KY-WHITLEY KY-
231 AM EDT FRI JUL 20 2012

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHERN WHITLEY...
WAYNE AND MCCREARY COUNTIES HAS BEEN ALLOWED TO EXPIRE...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. IF 
FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW 
ENFORCEMENT AGENCY.

LAT...LON 3661 8497 3663 8501 3666 8500 3671 8503
      3676 8501 3686 8507 3692 8496 3696 8495
      3693 8469 3691 8462 3688 8461 3689 8458
      3687 8458 3690 8451 3689 8441 3680 8405
      3660 8392 3659 8393

$$

GEOGERIAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 19, 9:29 PM EDT	Severe Thunderstorm Warning	JKL	Jackson, Knox, Laurel, McCreary, Pulaski, Rockcastle and 2 more	61 min
Jul 19, 10:29 PM EDT	Severe Thunderstorm Warning	JKL	Bell, Clay, Knox, Laurel, McCreary, Pulaski and 2 more	61 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.