Alert archive / Kentucky / Flash Flood Warnings in 2012

Flash Flood Warning 23, NWS Jackson, KY

May 21, 2012Fleming County, Kentucky

NWS Jackson, KY issued this flash flood warning at May 21, 2012, 6:02 PM EDT for Fleming 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
May 21, 2012, 6:02 PM EDT (22:02 UTC)
Expired
May 21, 2012, 9:00 PM EDT
In force
3 hr
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

County Fleming County, KY

The radar

The Jackson,KY radar (KJKL), 101 km from the middle of the area, began a volume at 22:04 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, 10.0 hours before the alert went out and 115 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 2012-05-21Temperature 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 2012-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1563 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
20 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.

112 
WGUS53 KJKL 212202
FFWJKL
KYC069-220100-
/O.NEW.KJKL.FF.W.0023.120521T2202Z-120522T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON KY
602 PM EDT MON MAY 21 2012

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN FLEMING COUNTY IN EAST CENTRAL KENTUCKY...

* UNTIL 900 PM EDT

* AT 602 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING 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...
  COWAN...CRAINTOWN...ELIZAVILLE AND NEPTON.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
JOHNSON CREEK...LICKING RIVER...PLUGTOWN BRANCH...MILL CREEK...FLAT
FORK...MUD LICK CREEK...BUCHANAN CREEK...FLEMING CREEK...POORHOUSE
BRANCH...CASSIDY CREEK...SAP BRANCH AND LOCUST CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3835 8373 3837 8379 3834 8385 3836 8388
      3835 8389 3835 8391 3836 8390 3837 8392
      3849 8394 3849 8392 3846 8385 3849 8376

$$

GEOGERIAN
2 follow-up statements
297 
WGUS73 KJKL 212358
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
758 PM EDT MON MAY 21 2012

KYC069-220100-
/O.CON.KJKL.FF.W.0023.000000T0000Z-120522T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FLEMING KY-
758 PM EDT MON MAY 21 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHWESTERN FLEMING
COUNTY UNTIL 900 PM EDT...

AT 753 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. OVER 
3.5 INCHES OF RAIN HAS BEEN MEASURED IN THE WARNING AREA. RAIN 
CONTINUES TO FALL AND UP TO ONE INCH OF ADDITIONAL RAIN MAY FALL 
OVER THE AREA. COUNTY DISPATCH HAS REPORT INDIVIDUALS STRANDED FROM 
HIGH WATER ON LOCUST CREEK NEAR SOUTH LICK ROAD. A ROCK SLIDE FROM 
THE HEAVY RAIN HAS OCCURRED ON SOUTH LICK ROAD...NEARLY CLOSING THE 
ROAD. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
COWAN...CRAINTOWN...ELIZAVILLE AND NEPTON.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
JOHNSON CREEK...LICKING RIVER...PLUGTOWN BRANCH...MILL CREEK...FLAT
FORK...MUD LICK CREEK...BUCHANAN CREEK...FLEMING CREEK...POORHOUSE
BRANCH...CASSIDY CREEK...SAP BRANCH AND LOCUST CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3835 8373 3837 8379 3834 8385 3836 8388
      3835 8389 3835 8391 3836 8390 3837 8392
      3849 8394 3849 8392 3846 8385 3849 8376

$$

JACOBSON
090 
WGUS73 KJKL 220057 RRA
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
857 PM EDT MON MAY 21 2012

KYC069-220112-
/O.EXP.KJKL.FF.W.0023.000000T0000Z-120522T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FLEMING KY-
857 PM EDT MON MAY 21 2012

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHWESTERN
FLEMING COUNTY WILL BE ALLOWED TO EXPIRE AT 900 PM EDT...

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 3835 8373 3837 8379 3834 8385 3836 8388
      3835 8389 3835 8391 3836 8390 3837 8392
      3849 8394 3849 8392 3846 8385 3849 8376

$$

JACOBSON

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 12:53 PM EDTSevere Thunderstorm WarningJKLClay, Jackson, Lee, Owsley37 min
May 21, 1:11 PM EDTAreal Flood AdvisoryJKLLee, Owsley79 min
May 21, 2:01 PM EDTAreal Flood AdvisoryJKLMenifee89 min
May 21, 2:04 PM EDTSevere Thunderstorm WarningJKLBath, Menifee, Montgomery41 min
May 21, 2:22 PM EDTFlash Flood WarningJKLMenifee, Montgomery3 hr
May 21, 2:32 PM EDTAreal Flood AdvisoryJKLLee, Menifee, Montgomery, Powell, Wolfe88 min
May 21, 2:34 PM EDTAreal Flood AdvisoryJKLClay, Jackson, Laurel86 min
May 21, 2:36 PM EDTSevere Thunderstorm WarningJKLEstill, Lee, Powell, Wolfe39 min
May 21, 2:44 PM EDTFlash Flood WarningJKLPowell, Wolfe3 hr
May 21, 2:49 PM EDTAreal Flood AdvisoryJKLBath, Fleming, Rowan101 min
May 21, 2:56 PM EDTSevere Thunderstorm WarningJKLEstill, Lee49 min
May 21, 3:02 PM EDTAreal Flood AdvisoryJKLEstill, Lee88 min
May 21, 3:11 PM EDTSevere Thunderstorm WarningJKLBath, Fleming49 min
May 21, 3:15 PM EDTFlash Flood WarningJKLEstill, Lee3 hr
May 21, 3:35 PM EDTFlash Flood WarningJKLBath, Fleming3 hr
May 21, 3:45 PM EDTAreal Flood AdvisoryJKLClay, Laurel75 min
May 21, 3:49 PM EDTAreal Flood AdvisoryJKLEstill, Jackson, Lee, Owsley101 min
May 21, 3:59 PM EDTAreal Flood AdvisoryJKLBath, Fleming, Montgomery2 hr
May 21, 4:35 PM EDTAreal Flood AdvisoryJKLBell, Knox, Whitley115 min
May 21, 4:45 PM EDTAreal Flood AdvisoryJKLClay, Jackson, Laurel46 min
May 21, 5:12 PM EDTAreal Flood AdvisoryJKLFleming108 min
May 21, 5:45 PM EDTAreal Flood WarningJKLPowell3 hr
May 21, 6:15 PM EDTFlash Flood WarningJKLWhitley3 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.