Alert archive / Kentucky / Flash Flood Warnings in 2012

Flash Flood Warning 16, NWS Jackson, KY

April 3, 2012McCreary County, Whitley County, Kentucky

NWS Jackson, KY issued this flash flood warning at Apr 3, 2012, 9:48 PM EDT for McCreary County, Whitley County, Kentucky. It was in force for 3 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
Apr 3, 2012, 9:48 PM EDT (01:48 UTC)
Expired
Apr 4, 2012, 1:00 AM EDT
In force
3 hr
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

Counties McCreary County, KY, Whitley County, KY

The radar

The Knoxville radar (KMRX), 96 km from the middle of the area, began a volume at 01:52 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, 1.8 hours before the alert went out and 221 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 00:00Z on 2012-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 205 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 00:00Z on 2012-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.1939Sfc1 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
205 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
2040 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
44 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.

209 
WGUS53 KJKL 040148
FFWJKL
KYC147-235-040500-
/O.NEW.KJKL.FF.W.0016.120404T0148Z-120404T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON KY
948 PM EDT TUE APR 3 2012

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN MCCREARY COUNTY IN SOUTH CENTRAL KENTUCKY...
  WESTERN WHITLEY COUNTY IN SOUTH CENTRAL KENTUCKY...

* UNTIL 100 AM EDT

* AT 946 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING ACROSS THE WARNED AREA. PERKINS LANE IN THE PINE 
  KNOT AREA OF SOUTHERN MCCREARY COUNTY IS CLOSED DUE TO HIGH WATER.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...WHITLEY
  CITY...WILLIAMSBURG...AYERS...BEULAH HEIGHTS...BLUE HERON...BON...
  BOUNTY...CLIO...CUMBERLAND FALLS S.P....DEERING...DUCKRUN...
  EMLYN...FABER...FAIRVIEW...GOLDBUG...HOLLYHILL...HONEYBEE...JELLICO
  CREEK...KRUPP...LIBERTY...MARSHES SIDING...MOUNTAIN ASH...PARKERS
  LAKE...PINE KNOT...PLEASANT VIEW...RED ASH...REDBIRD...ROCKHOLDS...
  SAXTON AND STEARNS.

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 3659 8413 3660 8459 3685 8455 3690 8408
      3687 8406 3658 8411

$$

DUSTY
2 follow-up statements
628 
WGUS73 KJKL 040415
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
1215 AM EDT WED APR 4 2012

KYC147-235-040500-
/O.CON.KJKL.FF.W.0016.000000T0000Z-120404T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MCCREARY KY-WHITLEY KY-
1215 AM EDT WED APR 4 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WESTERN WHITLEY AND
EASTERN MCCREARY COUNTIES UNTIL 100 AM EDT...

AT 1213 AM EDT...EMERGENCY MANAGEMENT REPORTED THAT FLOODING WAS 
STILL OCCURRING IN THE WILD BILL STEVENS ROAD AREA.

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 3659 8413 3660 8459 3685 8455 3690 8408
      3687 8406 3658 8411

$$

GREIF
280 
WGUS73 KJKL 040505
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
105 AM EDT WED APR 4 2012

KYC147-235-040520-
/O.EXP.KJKL.FF.W.0016.000000T0000Z-120404T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MCCREARY KY-WHITLEY KY-
105 AM EDT WED APR 4 2012

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR WESTERN WHITLEY AND
EASTERN MCCREARY 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. 

ADDITIONAL STORMS WILL BE POSSIBLE IN THIS AREA LATER TODAY AND 
TONIGHT. 

LAT...LON 3659 8413 3660 8459 3685 8455 3690 8408
      3687 8406 3658 8411

$$

GREIF

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 8:07 PM EDTAreal Flood AdvisoryJKLMcCreary, Whitley3 hr
Apr 3, 8:09 PM EDTAreal Flood AdvisoryJKLClay, Knox, Laurel2 hr
Apr 3, 9:06 PM EDTAreal Flood AdvisoryJKLJackson, Laurel, Rockcastle68 min
Apr 3, 11:51 PM EDTAreal Flood WarningJKLLetcher9 hr
Apr 4, 4:10 AM EDTFlash Flood WatchJKLBell, Breathitt, Clay, Elliott, Estill, Floyd and 23 more18 hr
Apr 4, 2:45 PM EDTAreal Flood AdvisoryJKLBath, Fleming, Rowan3 hr
Apr 4, 2:56 PM EDTAreal Flood AdvisoryJKLFloyd, Johnson, Knott, Magoffin, Pike3 hr
Apr 4, 3:25 PM EDTFlash Flood WarningJKLBath, Fleming, Rowan3 hr

Nearby

Flash Flood Warnings in Kentucky, 2012Every 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.