Alert archive / Kentucky / Flash Flood Warnings in 2012

Flash Flood Warning 44, NWS Jackson, KY

August 6, 2012Floyd County, Pike County, Kentucky

NWS Jackson, KY issued this flash flood warning at Aug 6, 2012, 12:28 PM EDT for Floyd County, Pike County, 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
Aug 6, 2012, 12:28 PM EDT (16:28 UTC)
Expired
Aug 6, 2012, 4:30 PM EDT
In force
4 hr
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

Counties Floyd County, KY, Pike County, KY

The radar

The Jackson,KY radar (KJKL), 91 km from the middle of the area, began a volume at 16:28 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 4.5 hours before the alert went out and 247 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 2012-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2012-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1571 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
27 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.

183 
WGUS53 KJKL 061628
FFWJKL
KYC071-195-062030-
/O.NEW.KJKL.FF.W.0044.120806T1628Z-120806T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON KY
1228 PM EDT MON AUG 6 2012

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL FLOYD COUNTY IN SOUTHEAST KENTUCKY...
  PIKE COUNTY IN SOUTHEAST KENTUCKY...

* UNTIL 430 PM EDT

* AT 1225 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
  THAT SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL HAVE       
  MOVED ACROSS THE AREA LEAVING BEHIND BETWEEN TWO AND THREE         
  INCHES OF RAIN OVER THE PAST SEVERAL HOURS. ADDITIONAL SHOWERS     
  WILL BRING MORE HEAVY RAINS THROUGH 2 PM WITH UP TO ANOTHER INCH   
  POSSIBLE. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  PIKEVILLE...ARGO...BELCHER...BETSY LAYNE...BIGGS...BOARD TREE...
  BOLDMAN...CHLOE...COAL RUN...COLEMAN...FEDSCREEK...FISHTRAP LAKE...
  GARDEN VILLAGE...GULNARE...HAROLD...HEENAN...JAMBOREE...JARAD...
  JUSTELL...KIMPER...MAJESTIC...MARROWBONE...META...MOUTHCARD...
  OSBORN...PHELPS...PHYLLIS...PISO...RACCOON AND SHELBIANA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL 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 SUBJECT TO FLOODING.

&&

LAT...LON 3730 8231 3740 8263 3758 8264 3769 8255
      3768 8246 3767 8246 3768 8242 3767 8239
      3755 8227 3755 8206 3754 8206 3755 8204
      3754 8201 3755 8197 3754 8196

$$

GREIF
2 follow-up statements
524 
WGUS73 KJKL 061808
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
208 PM EDT MON AUG 6 2012

KYC071-195-062030-
/O.CON.KJKL.FF.W.0044.000000T0000Z-120806T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIKE KY-FLOYD KY-
208 PM EDT MON AUG 6 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EAST CENTRAL FLOYD AND
PIKE COUNTIES UNTIL 430 PM EDT...

AT 205 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAINFALL HAD MOVED 
ACROSS THE WARNED AREA. THIS LEFT BEHIND BETWEEN TWO AND THREE 
INCHES OF RAIN AND LIKELY LED TO AREAS OF FLOODING. 

RUNOFF FROM THIS EXCESSIVE RAINFALL MAY CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLASH FLOODING INCLUDE...
PIKEVILLE...ARGO...BELCHER...BETSY LAYNE...BIGGS...BOARD TREE...
BOLDMAN...CHLOE...COAL RUN...COLEMAN...FEDSCREEK...FISHTRAP LAKE...
GALVESTON...GARDEN VILLAGE...GULNARE...HAROLD...HEENAN...JAMBOREE...
JARAD...KIMPER...MAJESTIC...MARROWBONE...META...MOUTHCARD...OSBORN...
PHELPS...PHYLLIS...PISO...RACCOON AND SHELBIANA.

EARLIER FLASH FLOODING WAS REPORTED IN THE GRAPEVINE AREA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THIS HEAVY RAIN 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 ALSO SUBJECT TO FLOODING.

&&

LAT...LON 3730 8231 3740 8263 3758 8264 3769 8255
      3768 8246 3767 8246 3768 8242 3767 8239
      3755 8227 3755 8206 3754 8206 3755 8204
      3754 8201 3755 8197 3754 8196

$$

GREIF
623 
WGUS73 KJKL 062026
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
426 PM EDT MON AUG 6 2012

KYC071-195-062040-
/O.EXP.KJKL.FF.W.0044.000000T0000Z-120806T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIKE KY-FLOYD KY-
426 PM EDT MON AUG 6 2012

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR EAST CENTRAL FLOYD
AND PIKE COUNTIES WILL BE ALLOWED TO EXPIRE AT 430 PM EDT...

COUNTY OFFICIALS INDICATE THAT 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 3730 8231 3740 8263 3758 8264 3769 8255
      3768 8246 3767 8246 3768 8242 3767 8239
      3755 8227 3755 8206 3754 8206 3755 8204
      3754 8201 3755 8197 3754 8196

$$

PELTON

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 2:14 AM EDTAreal Flood AdvisoryJKLBath99 min
Aug 6, 6:26 AM EDTAreal Flood AdvisoryJKLPike2 hr
Aug 6, 7:16 AM EDTAreal Flood AdvisoryJKLMcCreary, Wayne, Whitley5 hr
Aug 6, 9:04 AM EDTAreal Flood AdvisoryJKLFloyd, Pike3 hr
Aug 6, 9:11 AM EDTFlash Flood WarningJKLPike3 hr
Aug 6, 11:53 AM EDTFlash Flood WarningJKLPike3 hr
Aug 6, 12:06 PM EDTAreal Flood AdvisoryJKLFloyd, Pike3 hr
Aug 6, 12:38 PM EDTAreal Flood AdvisoryJKLBreathitt, Floyd, Knott, Magoffin2 hr
Aug 6, 2:59 PM EDTAreal Flood WarningJKLPike3 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.