Alert archive / Kentucky / Flash Flood Warnings in 2012

Flash Flood Warning 28, NWS Wilmington, OH

August 5, 2012Bracken County, Pendleton County, Kentucky

NWS Wilmington, OH issued this flash flood warning at Aug 5, 2012, 8:27 PM EDT for Bracken County, Pendleton County, Kentucky. It was in force for 4 hr. 4 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
Aug 5, 2012, 8:27 PM EDT (00:27 UTC)
Expired
Aug 6, 2012, 12:30 AM EDT
In force
4 hr
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Flood severity
None

Counties Bracken County, KY, Pendleton County, KY

The radar

The Cincinnati radar (KILN), 80 km from the middle of the area, began a volume at 00:30 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
Aug 5, 9:20 PM EDTFLASH FLOOD1 S Foster, KYHOLTS CREEK ROAD IS IMPASSABLE SOUTH OF THE AA HIGHWAY DUE TO HIGH WATER OVER THE ROAD.
Aug 5, 9:20 PM EDTFLASH FLOOD4 Nnw Brooksville, KYROUTE 1159 COVERED BY WATER DUE TO A STREAM OUT OF ITS BANKS...JUST NORTH OF THE AA HIGHWAY.
Aug 5, 9:45 PM EDTFLASH FLOOD1 Ssw Willow Grove, KYREPORT OF WATER ENTERING HOMES WITH MANY ROADS UNDER WATER IN THE FOSTER JOHNSONVILLE AREA.
Aug 5, 11:02 PM EDTFLASH FLOOD1 Ssw Foster, KYHOUSE FLOODED ALONG HOLTS CREEK ROAD. MEASURED RAIN OF 3.75 INCHES FROM 630 TO 10 PM

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 00:00Z, 0.5 hours before the alert went out and 82 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 00:00Z on 2012-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 766 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2012-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
766 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
954 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
40 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

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

178 
WGUS51 KILN 060027
FFWILN
KYC023-191-060330-
/O.NEW.KILN.FF.W.0028.120806T0027Z-120806T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
827 PM EDT SUN AUG 5 2012

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BRACKEN COUNTY IN NORTHERN KENTUCKY...
  NORTHEASTERN PENDLETON COUNTY IN NORTHERN KENTUCKY...

* UNTIL 1130 PM EDT.

* AT 825 PM EDT...RADAR INDICATED THAT THUNDERSTORMS HAD PRODUCED   
HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR ESTIMATED THAT TWO TO 
THREE INCHES OF RAIN HAVE ALREADY FALLEN IN BRACKEN AND NORTHEASTERN 
PENDLETON COUNTIES.

* HEAVY RAIN CONTINUES TO FALL ACROSS THE WARNED AREA WITH ANOTHER   
ONE TO ONE AND A HALF INCHES POSSIBLE THROUGH 1000 PM EDT. RUNOFF 
FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
FALMOUTH...BROOKSVILLE...BUTLER...MOUNT AUBURN...LENOXBURG...
BERLIN...JOHNSVILLE...WOOLCUTT...NEAVE...AUGUSTA AND CHATHAM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ACT QUICKLY TO PROTECT YOUR LIFE IF YOU ARE IN A LOW LYING AREA...
ALONG A CREEK...STREAM OR IN AN AREA EXPERIENCING FLOODING. MOVE TO
HIGHER GROUND IMMEDIATELY.

NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. ONLY A FEW INCHES
OF RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. FIND AN
ALTERNATE ROUTE OR WAIT UNTIL THE WATER RECEDES.

&&

LAT...LON 3869 8441 3880 8441 3883 8433 3884 8427
      3883 8423 3880 8421 3880 8416 3877 8408
      3879 8395 3876 8390 3862 8398 3861 8413

$$

HATZOS
3 follow-up statements
625 
WGUS71 KILN 060144
FFSILN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
944 PM EDT SUN AUG 5 2012

KYC023-191-060330-
/O.CON.KILN.FF.W.0028.000000T0000Z-120806T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PENDLETON KY-BRACKEN KY-
944 PM EDT SUN AUG 5 2012

...FLASH FLOOD WARNING CONTINUES FOR BRACKEN AND NORTHEASTERN
PENDLETON COUNTIES UNTIL 1130 PM EDT...

AT 940 PM EDT...RADAR INDICATED THAT HEAVY RAINFALL IS CONTINUING TO 
AFFECT CENTRAL AND SOUTHERN BRACKEN COUNTY. HEAVY RAINFALL HAS ENDED 
ACROSS NORTHEASTERN PENDLETON AND NORTHERN BRACKEN COUNTIES. UP TO 4 
INCHES OF RAIN HAVE FALLEN IN THESE AREAS...AND RUNOFF FROM THE 
EARLIER EXCESSIVE RAIN WILL CAUSE FLASH FLOODING TO CONTINUE TO 
OCCUR.

LOCAL LAW ENFORCEMENT REPORTED THAT FLASH FLOODING WAS OCCURRING IN 
NORTHERN BRACKEN COUNTY...WITH NUMEROUS ROADS BEING INUNDATED BY 
STREAMS OUT OF THEIR BANKS. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
FALMOUTH...BROOKSVILLE...BUTLER...MOUNT AUBURN...LENOXBURG...
BERLIN...JOHNSVILLE...WOOLCUTT...NEAVE...AUGUSTA...CHATHAM...
AND AREAS ALONG AND NEAR THE AA HIGHWAY AND KENTUCKY ROUTE 8.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLOOD DANGERS ARE HARDER TO RECOGNIZE AT NIGHT. BE ESPECIALLY 
CAUTIOUS...AND DO NOT DRIVE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 3869 8441 3880 8441 3883 8433 3884 8427
      3883 8423 3880 8421 3880 8416 3877 8408
      3879 8395 3876 8390 3862 8398 3861 8413

$$

HATZOS
618 
WGUS71 KILN 060321
FFSILN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
1121 PM EDT SUN AUG 5 2012

KYC191-060330-
/O.CAN.KILN.FF.W.0028.000000T0000Z-120806T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PENDLETON KY-
1121 PM EDT SUN AUG 5 2012

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHEASTERN
PENDLETON COUNTY HAS BEEN CANCELLED...

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 3864 8421 3872 8422 3873 8423 3883 8423
      3880 8421 3880 8416 3877 8408 3877 8403
      3879 8396 3876 8391 3862 8398 3861 8413

$$

KYC023-060330-
/O.CON.KILN.FF.W.0028.000000T0000Z-120806T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BRACKEN KY-
1121 PM EDT SUN AUG 5 2012

...FLASH FLOOD WARNING CONTINUES FOR BRACKEN COUNTY UNTIL 1130 PM
EDT...

AT 1118 PM EDT...TRAINED SPOTTERS REPORTED THAT EXCESSIVE 
RAINFALL WAS PRODUCING FLASH FLOODING IN JOHNSONVILLE.

RADAR INDICATED THAT THE HEAVY RAINFALL HAS ENDED ACROSS THE AREA.
HOWEVER...RUNOFF FROM THE EARLIER EXCESSIVE RAIN WILL CAUSE FLASH
FLOODING TO CONTINUE TO OCCUR.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...AUGUSTA AND
BROOKSVILLE.

IN ADDITION...FLOODING IS EXPECTED TO OCCUR IN...AA HIGHWAY AT STATE
ROUTE 19...ABIGAIL...BERLIN...BRADFORD...CHATHAM...FOSTER...
GERMANTOWN AND HITTVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLOOD DANGERS ARE HARDER TO RECOGNIZE AT NIGHT. BE ESPECIALLY
CAUTIOUS.

&&

LAT...LON 3864 8421 3872 8422 3873 8423 3883 8423
      3880 8421 3880 8416 3877 8408 3877 8403
      3879 8396 3876 8391 3862 8398 3861 8413

$$
267 
WGUS51 KILN 060324
FFWILN
KYC023-060430-
/O.EXT.KILN.FF.W.0028.000000T0000Z-120806T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
1124 PM EDT SUN AUG 5 2012

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  BRACKEN COUNTY IN NORTHERN KENTUCKY...

* UNTIL 1230 AM EDT.

* AT 1118 PM EDT...LAW ENFORCEMENT HAS REPORTED THAT THERE WAS STILL 
  HIGH WATER ON AREA ROADWAYS...THOUGH WATER WAS BEGINNING TO 
  RECEDE. IN ADDITION TO THE HIGH WATER...THERE WERE ALSO PROBLEMS 
  WITH FLOOD DEBRIS ON AREA ROADS BETWEEN JOHNSONSVILLE AND FOSTER. 

* RADAR INDICATED THAT THE HEAVY RAINFALL HAS ENDED ACROSS THE AREA.
  HOWEVER...RUNOFF FROM THE EARLIER EXCESSIVE RAIN WILL CAUSE FLASH
  FLOODING TO CONTINUE TO OCCUR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLOOD DANGERS ARE HARDER TO RECOGNIZE AT NIGHT. BE ESPECIALLY
CAUTIOUS.

&&

LAT...LON 3864 8421 3872 8422 3873 8423 3883 8423
      3880 8421 3880 8416 3877 8408 3877 8403
      3879 8396 3876 8391 3862 8398 3861 8413

$$

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.