Alert archive / Kentucky / Flash Flood Warnings in 2012

Flash Flood Warning 50, NWS Jackson, KY

September 5, 2012Breathitt County, Kentucky

NWS Jackson, KY issued this flash flood warning at Sep 5, 2012, 7:29 PM EDT for Breathitt County, Kentucky. It was in force for 4 hr. 3 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
Sep 5, 2012, 7:29 PM EDT (23:29 UTC)
Expired
Sep 5, 2012, 11:03 PM EDT
In force
4 hr
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

County Breathitt County, KY

The radar

The Jackson,KY radar (KJKL), 7 km from the middle of the area, began a volume at 23:32 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
Sep 5, 8:30 PM EDTFLASH FLOODJackson, KYSEVERAL ROCKS IN THE ROAD HAD TO BE REMOVED FROM HIGHWAY 15.
Sep 5, 9:10 PM EDTHEAVY RAIN 3.73Quicksand, KY3.73 INCHES OF RAIN SINCE 545 PM.
Sep 5, 9:30 PM EDTHEAVY RAIN 3.15Jackson, KYRAIN GAUGE IN JACKSON MEASURED 3.15 INCHES FROM STORMS EARLIER THIS EVENING.

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, 11.5 hours before the alert went out and 209 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, Cncnati-Daytn, OH at 12:00Z on 2012-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 746 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, Cncnati-Daytn, OH at 12:00Z on 2012-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 square meters per square second.193958Sfc1 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
746 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
667 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
-4 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

252 
WGUS53 KJKL 052329
FFWJKL
KYC025-060330-
/O.NEW.KJKL.FF.W.0050.120905T2329Z-120906T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON KY
729 PM EDT WED SEP 5 2012

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL BREATHITT COUNTY IN SOUTHEAST KENTUCKY...

* UNTIL 1130 PM EDT

* AT 727 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  SEVERAL SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL HAVE    
  MOVED ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAS       
  FALLEN OVER A SHORT TIME WITH ANOTHER INCH OR TWO POSSIBLE THROUGH 
  9 PM. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL MAY CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
  JACKSON...CHENOWEE...CURT...DUMONT...ELKATAWA...FIVEMILE...
  FLINTVILLE...FROZEN CREEK...GENTRY...GUERRANT...HADDIX...
  HAGINSVILLE...INVERNESS...KECK...LAWSON...LOST CREEK...NOCTOR...
  PORTSMOUTH...PRESS...QUICKSAND...SEWELL...SIKES...SMITH BRANCH...
  TAULBEE...TURKEY...WILSTACY AND YEADON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF UP TO TWO INCHES ARE POSSIBLE IN THE 
WARNED AREA THROUGH 9 PM.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL LIKELY CAUSE FLOODING OF 
SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY... 
COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND 
OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.

&&

LAT...LON 3766 8333 3748 8318 3747 8352 3757 8351
      3762 8345

$$

GREIF
2 follow-up statements
705 
WGUS73 KJKL 060032
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
832 PM EDT WED SEP 5 2012

KYC025-060330-
/O.CON.KJKL.FF.W.0050.000000T0000Z-120906T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BREATHITT KY-
832 PM EDT WED SEP 5 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CENTRAL BREATHITT COUNTY
UNTIL 1130 PM EDT...

AT 831 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL CONTINUE ACROSS THE WARNED 
AREA. BETWEEN THREE AND FOUR INCHES OF RAIN HAS FALLEN OVER THE 
WARNED AREA SINCE 6 PM. AN ADDITIONAL HALF TO ONE INCH OF RAIN WILL 
BE POSSIBLE THROGH 10 PM. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
JACKSON...CHENOWEE...CURT...DUMONT...ELKATAWA...FIVEMILE...
FLINTVILLE...FROZEN CREEK...GENTRY...GUERRANT...HADDIX...
HAGINSVILLE...INVERNESS...KECK...LAWSON...LOST CREEK...NOCTOR...
PORTSMOUTH...PRESS...QUICKSAND...SEWELL...SIKES...SMITH BRANCH...
STEVENSON...TAULBEE...TURKEY...WILSTACY AND YEADON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF UP TO AN INCH ARE POSSIBLE IN THE 
WARNED AREA THROUGH 10 PM.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS
AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS
AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING
AREAS ARE ALSO SUBJECT TO FLOODING.

&&

LAT...LON 3766 8333 3748 8318 3747 8352 3757 8351
      3762 8345

$$

GREIF
096 
WGUS73 KJKL 060303
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
1103 PM EDT WED SEP 5 2012

KYC025-060318-
/O.CAN.KJKL.FF.W.0050.000000T0000Z-120906T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BREATHITT KY-
1103 PM EDT WED SEP 5 2012

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR CENTRAL BREATHITT
COUNTY IS CANCELLED...

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 3766 8333 3748 8318 3747 8352 3757 8351
      3762 8345

$$

GREIF

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 5, 6:42 AM EDTAreal Flood AdvisoryJKLHarlan108 min
Sep 5, 6:59 AM EDTFlash Flood WarningJKLHarlan116 min
Sep 5, 2:53 PM EDTAreal Flood AdvisoryJKLPowell2 hr
Sep 5, 7:17 PM EDTAreal Flood AdvisoryJKLBreathitt4 hr
Sep 5, 7:56 PM EDTTornado WarningJKLKnox, McCreary, Whitley49 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.