Alert archive / Kentucky / Flash Flood Warnings in 2011

Flash Flood Warning 10, NWS Jackson, KY

April 23, 2011Bath County, Fleming County, Rowan County, Kentucky

NWS Jackson, KY issued this flash flood warning at Apr 23, 2011, 4:59 PM EDT for Bath County, Fleming County, Rowan 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 23, 2011, 4:59 PM EDT (20:59 UTC)
Expired
Apr 23, 2011, 7:41 PM EDT
In force
3 hr
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

Counties Bath County, KY, Fleming County, KY, Rowan County, KY

The radar

The Jackson,KY radar (KJKL), 94 km from the middle of the area, began a volume at 21:02 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, 9.0 hours before the alert went out and 117 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 2011-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 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 2011-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 405 square meters per square second.1939587897Sfc1 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
25 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
544 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
405 m²/s²
0-3 km storm-relative helicity
323 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.

238 
WGUS53 KJKL 232059
FFWJKL
KYC011-069-205-240300-
/O.NEW.KJKL.FF.W.0010.110423T2059Z-110424T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON KY
459 PM EDT SAT APR 23 2011

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

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

* UNTIL 1100 PM EDT

* AT 451 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  THUNDERSTORMS WITH VERY HEAVY RAINFALL MOVING EAST ACROSS THE 
  WARNED AREA. WEATHER RADAR INDICATES UP TO AN INCH OF RAINFALL HAS 
  OCCURRED IN WESTERN PORTIONS OF FLEMING AND BATH COUNTIES BETWEEN
  4 AND 445 PM...WITH ADDITIONAL THUNDERSTORMS CONTINUING TO MOVE 
  THROUGH.  

* HEAVY RAINS FROM LAST NIGHT HAVE LEFT THE GROUND IN THIS AREA 
  SATURATED...AND RUNOFF FROM THIS EXCESSIVE RAINFALL WILL LIKELY 
  LEAD TO FLASH FLOODING. SOME LOCATIONS THAT WILL EXPERIENCE 
  FLOODING INCLUDE...FLEMINGSBURG...BETHEL...COWAN...CRAINTOWN... 
  CRANSTON...DALESBURG...ELIZAVILLE...FOXPORT...GATES...
  GODDARD...GRANGE CITY...HALDEMAN...HAYS CROSSING...HILDA... 
  HILLSBORO...MOUNT CARMEL...MUNSON...MUSES MILLS...NEPTON...
  ODESSA...PEBBLE...PECKS RIDGE...PLEASUREVILLE...
  PLUMMERS LANDING...POPLAR PLAINS...REYNOLDSVILLE...
  RINGOS MILLS... SHARKEY...SHERBURNE...AND TILTON.

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.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
JACKSON KY.

&&

LAT...LON 3849 8358 3844 8357 3839 8340 3834 8336
      3832 8333 3823 8330 3816 8398 3820 8398
      3830 8386 3833 8385 3835 8391 3841 8394
      3845 8399 3850 8394 3847 8386 3853 8364

$$

HAL
1 follow-up statement
502 
WGUS73 KJKL 232341
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
741 PM EDT SAT APR 23 2011

KYC011-069-205-232356-
/O.CAN.KJKL.FF.W.0010.000000T0000Z-110424T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FLEMING KY-ROWAN KY-BATH KY-
741 PM EDT SAT APR 23 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHWESTERN
BATH...NORTHERN ROWAN AND FLEMING COUNTIES 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 3849 8358 3844 8357 3839 8340 3834 8336
      3832 8333 3823 8330 3816 8398 3820 8398
      3830 8386 3833 8385 3835 8391 3841 8394
      3845 8399 3850 8394 3847 8386 3853 8364

$$

RICHEY

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 22, 8:01 PM EDTTornado WarningJKLBath, Menifee, Montgomery29 min
Apr 22, 8:29 PM EDTTornado WarningJKLBath, Fleming, Menifee, Montgomery, Morgan, Rowan31 min
Apr 23, 6:26 AM EDTTornado WarningJKLBath, Fleming, Rowan40 min
Apr 23, 7:15 AM EDTAreal Flood AdvisoryJKLBath, Elliott, Estill, Menifee, Montgomery, Morgan and 2 more3 hr
Apr 23, 3:55 PM EDTFlash Flood WatchJKLBath, Fleming, Montgomery, Rowan35 hr
Apr 23, 4:10 PM EDTSevere Thunderstorm WarningJKLFleming, Rowan23 min
Apr 23, 4:24 PM EDTSevere Thunderstorm WarningJKLBath, Fleming, Rowan34 min
Apr 23, 4:33 PM EDTAreal Flood AdvisoryJKLBath, Fleming, Rowan3 hr

Nearby

Flash Flood Warnings in Kentucky, 2011Every flash flood warning in 2011

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.