Alert archive / Kentucky / Flash Flood Warnings in 2016

Flash Flood Warning 21, NWS Jackson, KY

July 7, 2016Jackson County, Laurel County, Rockcastle County, Kentucky

NWS Jackson, KY issued this flash flood warning at Jul 7, 2016, 5:55 PM EDT for Jackson County, Laurel County, Rockcastle 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
Jul 7, 2016, 5:55 PM EDT (21:55 UTC)
Expired
Jul 7, 2016, 9:00 PM EDT
In force
3 hr
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

Counties Jackson County, KY, Laurel County, KY, Rockcastle County, KY

The radar

The Jackson,KY radar (KJKL), 77 km from the middle of the area, began a volume at 21:56 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, 9.9 hours before the alert went out and 241 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 2016-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 261 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 2016-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
261 J/kg
Mixed-layer CIN
-134 J/kg
Mixed-layer LCL
596 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted.

957 
WGUS53 KJKL 072155
FFWJKL
KYC109-125-203-080100-
/O.NEW.KJKL.FF.W.0021.160707T2155Z-160708T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON KY
555 PM EDT THU JUL 7 2016

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LAUREL COUNTY IN SOUTH CENTRAL KENTUCKY...
  JACKSON COUNTY IN SOUTHEASTERN KENTUCKY...
  ROCKCASTLE COUNTY IN SOUTH CENTRAL KENTUCKY...

* UNTIL 900 PM EDT

* AT 554 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN THAT WILL BE MOVING ACROSS THE WARNED AREA OVER THE
  NEXT HOUR. THESE HEAVY RAINS...COMBINED WITH ALREADY SATURATED
  SOILS FROM PREVIOUS STORMS...WILL LEAD TO QUICK RUNOFF AND FLASH
  FLOODING OVER THE NEXT FEW HOURS.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  LONDON...MOUNT VERNON...MCKEE...BOONE...DORTHAE...VOX...WANETA...
  HAZEL PATCH...DONARO...BUSH...BLACKWATER...PARROT...JEP HILL...
  WELCHBURG...JOHNETTA...COLLINGSWORTH...ROYRADER...MCHARGUE...
  HUXLEY AND HIGHTOP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED
ROADS. FIND AN ALTERNATE ROUTE.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 3712 8428 3733 8450 3748 8445 3747 8438
      3754 8435 3751 8426 3756 8415 3758 8396
      3757 8394 3734 8378 3731 8388 3726 8390
      3726 8394 3717 8397 3711 8392 3711 8387
      3705 8387 3703 8393 3698 8396 3694 8436

$$

JMW
2 follow-up statements
092 
WGUS73 KJKL 072238
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
638 PM EDT THU JUL 7 2016

KYC109-125-203-080100-
/O.CON.KJKL.FF.W.0021.000000T0000Z-160708T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LAUREL KY-JACKSON KY-ROCKCASTLE KY-
638 PM EDT THU JUL 7 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR
LAUREL...JACKSON AND ROCKCASTLE COUNTIES...

AT 637 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN HAVING MOVED ACROSS THE WARNED AREA. ALTHOUGH HEAVIEST
RAINS HAVE ENDED...ONGOING RUNOFF WILL CONTINUE TO POSE FLASH
FLOODING CONCERNS.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LONDON...MOUNT VERNON...MCKEE...BOONE...DORTHAE...VOX...WANETA...
HAZEL PATCH...DONARO...BUSH...BLACKWATER...PARROT...JEP HILL...
WELCHBURG...JOHNETTA...COLLINGSWORTH...ROYRADER...MCHARGUE...
HUXLEY AND HIGHTOP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED
ROADS. FIND AN ALTERNATE ROUTE.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 3712 8428 3733 8450 3748 8445 3747 8438
      3754 8435 3751 8426 3756 8415 3758 8396
      3757 8394 3734 8378 3731 8388 3726 8390
      3726 8394 3717 8397 3711 8392 3711 8387
      3705 8387 3703 8393 3698 8396 3694 8436

$$

JMW
682 
WGUS73 KJKL 072313
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
713 PM EDT THU JUL 7 2016

KYC109-125-203-072323-
/O.CAN.KJKL.FF.W.0021.000000T0000Z-160708T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LAUREL KY-JACKSON KY-ROCKCASTLE KY-
713 PM EDT THU JUL 7 2016

...THE FLASH FLOOD WARNING FOR LAUREL...JACKSON AND ROCKCASTLE
COUNTIES IS CANCELLED...

THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 3712 8428 3733 8450 3748 8445 3747 8438
      3754 8435 3751 8426 3756 8415 3758 8396
      3757 8394 3734 8378 3731 8388 3726 8390
      3726 8394 3717 8397 3711 8392 3711 8387
      3705 8387 3703 8393 3698 8396 3694 8436

$$

JMW

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 8:29 PM EDTSpecial Weather StatementJKLFloyd, Knott46 min
Jul 6, 8:54 PM EDTSpecial Weather StatementJKLPike66 min
Jul 7, 3:11 AM EDTAreal Flood AdvisoryJKLLaurel, Pulaski, Wayne3 hr
Jul 7, 4:49 AM EDTAreal Flood WarningJKLJackson, Laurel, Pulaski, Rockcastle, Wayne6 hr
Jul 7, 5:02 AM EDTAreal Flood AdvisoryJKLBell, Knox, Laurel, McCreary, Pulaski, Wayne and 1 more6 hr
Jul 7, 5:32 AM EDTAreal Flood AdvisoryJKLEstill, Jackson, Lee, Owsley, Powell, Rockcastle and 1 more6 hr
Jul 7, 6:52 AM EDTAreal Flood AdvisoryJKLElliott, Johnson, Magoffin, Menifee, Morgan, Powell and 2 more6 hr
Jul 7, 4:20 PM EDTFlash Flood WatchJKLBreathitt, Clay, Elliott, Estill, Floyd, Jackson and 21 more31 hr
Jul 7, 4:49 PM EDTFlash Flood WarningJKLMcCreary, Pulaski, Wayne3 hr
Jul 7, 5:13 PM EDTSpecial Weather StatementJKLWayne32 min
Jul 7, 5:23 PM EDTSevere Thunderstorm WarningJKLMcCreary, Pulaski, Wayne, Whitley52 min
Jul 7, 5:28 PM EDTSevere Thunderstorm WarningJKLPulaski, Rockcastle32 min
Jul 7, 6:00 PM EDTSevere Thunderstorm WarningJKLClay, Estill, Jackson, Laurel, Lee, Owsley and 2 more45 min
Jul 7, 6:03 PM EDTFlash Flood WarningJKLKnox, Whitley3 hr
Jul 7, 6:15 PM EDTSevere Thunderstorm WarningJKLBell, Clay, Knox, Laurel, Whitley30 min
Jul 7, 6:45 PM EDTSpecial Weather StatementJKLBell, Clay, Harlan, Leslie, Perry30 min

Nearby

Flash Flood Warnings in Kentucky, 2016Every flash flood warning in 2016

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.