Alert archive / Kentucky / Flash Flood Warnings in 2021

Flash Flood Warning 36, NWS Jackson, KY

June 11, 2021Laurel County, Kentucky

NWS Jackson, KY issued this flash flood warning at Jun 11, 2021, 5:18 PM EDT for Laurel County, Kentucky. It was in force for 107 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 11, 2021, 5:18 PM EDT (21:18 UTC)
Expired
Jun 11, 2021, 7:05 PM EDT
In force
107 min
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

County Laurel County, KY

The radar

The Jackson,KY radar (KJKL), 103 km from the middle of the area, began a volume at 21:19 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

Nashville Metro, TN (KBNA), launched 12:00Z, 9.3 hours before the alert went out and 236 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, Nashville Metro, TN at 12:00Z on 2021-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 881 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, Nashville Metro, TN at 12:00Z on 2021-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
881 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
543 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

440 
WGUS53 KJKL 112118
FFWJKL
KYC125-112315-
/O.NEW.KJKL.FF.W.0036.210611T2118Z-210611T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson KY
518 PM EDT Fri Jun 11 2021

The National Weather Service in Jackson has issued a

* Flash Flood Warning for...
  South Central Laurel County in south central Kentucky...

* Until 715 PM EDT.

* At 518 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 inches of rain 
  have fallen. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Doppler radar.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Vox, Holly Bay Rec. Area, North Corbin and Corbin.

Additional rainfall amounts of 0.5 to 1 inch are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3700 8426 3699 8410 3695 8410 3697 8411
      3696 8411 3697 8413 3696 8414 3697 8414
      3697 8415 3696 8415 3695 8416 3694 8416
      3694 8418 3695 8420 3695 8421 3696 8422
      3694 8423

FLASH FLOOD...RADAR INDICATED

$$

GREIF
1 follow-up statement
714 
WGUS73 KJKL 112305
FFSJKL

Flash Flood Statement
National Weather Service Jackson KY
705 PM EDT Fri Jun 11 2021

KYC125-112315-
/O.CAN.KJKL.FF.W.0036.000000T0000Z-210611T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Laurel KY-
705 PM EDT Fri Jun 11 2021

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTH CENTRAL LAUREL 
COUNTY...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat.

A Flash Flood Watch remains in effect until 200 AM EDT Saturday for 
portions of east central Kentucky...northeast Kentucky...south 
central Kentucky and southeast Kentucky.

LAT...LON 3700 8426 3699 8410 3695 8410 3697 8411
      3696 8411 3697 8413 3696 8414 3697 8414
      3697 8415 3696 8415 3695 8416 3694 8416
      3694 8418 3695 8420 3695 8421 3696 8422
      3694 8423

$$

GEERTSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 10:01 PM EDTAreal Flood AdvisoryJKLOwsley119 min
Jun 10, 10:53 PM EDTAreal Flood AdvisoryJKLKnox3 hr
Jun 11, 12:33 AM EDTAreal Flood AdvisoryJKLLaurel, Rockcastle20 min
Jun 11, 12:53 AM EDTFlash Flood WarningJKLLaurel, Rockcastle2 hr
Jun 11, 1:15 AM EDTAreal Flood AdvisoryJKLJackson, Pulaski, Rockcastle2 hr
Jun 11, 3:10 AM EDTAreal Flood AdvisoryJKLJackson, Laurel, Pulaski, Rockcastle8 hr
Jun 11, 3:54 AM EDTFlash Flood WatchJKLBell, Breathitt, Clay, Elliott, Estill, Floyd and 23 more18 hr
Jun 11, 4:29 AM EDTAreal Flood AdvisoryJKLBreathitt, Jackson, Lee, Magoffin, Owsley, Wolfe3 hr
Jun 11, 4:50 AM EDTFlash Flood WarningJKLLee3 hr
Jun 11, 5:35 AM EDTAreal Flood AdvisoryJKLEstill, Lee3 hr
Jun 11, 5:56 AM EDTFlash Flood WarningJKLBreathitt, Lee, Wolfe3 hr
Jun 11, 6:19 AM EDTFlash Flood WarningJKLEstill3 hr
Jun 11, 6:51 AM EDTAreal Flood AdvisoryJKLEstill, Powell, Wolfe114 min
Jun 11, 7:28 AM EDTAreal Flood AdvisoryJKLMenifee2 hr
Jun 11, 7:46 AM EDTAreal Flood WarningJKLLee3 hr
Jun 11, 8:50 AM EDTAreal Flood WarningJKLLee2 hr
Jun 11, 9:55 AM EDTAreal Flood WarningJKLWolfe7 hr
Jun 11, 10:14 AM EDTAreal Flood AdvisoryJKLBell, Knox, Whitley3 hr
Jun 11, 11:03 AM EDTAreal Flood WarningJKLLee6 hr
Jun 11, 12:21 PM EDTAreal Flood AdvisoryJKLBreathitt, Lee, Owsley5 hr
Jun 11, 1:13 PM EDTAreal Flood AdvisoryJKLMenifee, Montgomery, Powell5 hr
Jun 11, 1:16 PM EDTAreal Flood AdvisoryJKLBreathitt, Knott, Perry3 hr
Jun 11, 1:48 PM EDTSpecial Weather StatementJKLBell, Whitley42 min
Jun 11, 1:49 PM EDTSpecial Weather StatementJKLLeslie41 min
Jun 11, 1:50 PM EDTAreal Flood AdvisoryJKLEstill, Lee3 hr
Jun 11, 1:52 PM EDTAreal Flood AdvisoryJKLFloyd, Knott, Magoffin3 hr
Jun 11, 1:53 PM EDTAreal Flood AdvisoryJKLClay, Jackson, Leslie, Owsley, Perry3 hr
Jun 11, 1:55 PM EDTAreal Flood AdvisoryJKLBell, Knox, Whitley5 hr
Jun 11, 2:08 PM EDTFlash Flood WarningJKLWhitley6 hr
Jun 11, 2:10 PM EDTFlash Flood WarningJKLClay, Owsley3 hr
Jun 11, 2:39 PM EDTAreal Flood AdvisoryJKLHarlan, Leslie, Letcher, Perry3 hr
Jun 11, 2:41 PM EDTAreal Flood AdvisoryJKLClay3 hr
Jun 11, 3:01 PM EDTAreal Flood AdvisoryJKLClay, Laurel, Leslie3 hr
Jun 11, 3:06 PM EDTFlash Flood WarningJKLClay2 hr
Jun 11, 3:08 PM EDTAreal Flood AdvisoryJKLJackson, Lee, Owsley3 hr
Jun 11, 3:11 PM EDTAreal Flood AdvisoryJKLEstill, Lee, Powell3 hr
Jun 11, 3:34 PM EDTFlash Flood WarningJKLClay, Laurel3 hr
Jun 11, 3:48 PM EDTSpecial Weather StatementJKLBath, Menifee42 min
Jun 11, 3:57 PM EDTRiver Flood AdvisoryJKLEstill13 hr
Jun 11, 4:04 PM EDTAreal Flood AdvisoryJKLHarlan3 hr
Jun 11, 4:12 PM EDTSpecial Weather StatementJKLMontgomery48 min
Jun 11, 4:17 PM EDTAreal Flood AdvisoryJKLBath, Fleming, Montgomery3 hr
Jun 11, 4:23 PM EDTFlash Flood WarningJKLLaurel3 hr
Jun 11, 4:26 PM EDTAreal Flood AdvisoryJKLKnox, Laurel3 hr
Jun 11, 5:02 PM EDTAreal Flood AdvisoryJKLMontgomery, Powell118 min
Jun 11, 5:05 PM EDTAreal Flood AdvisoryJKLLaurel, Whitley3 hr
Jun 11, 5:11 PM EDTFlash Flood WarningJKLMcCreary, Whitley2 hr
Jun 11, 5:21 PM EDTFlash Flood WarningJKLWhitley105 min
Jun 11, 6:34 PM EDTSpecial Weather StatementJKLRockcastle26 min
Jun 11, 6:44 PM EDTAreal Flood WarningJKLClay, Laurel3 hr
Jun 11, 7:22 PM EDTSpecial Weather StatementJKLRockcastle23 min

Nearby

Flash Flood Warnings in Kentucky, 2021Every flash flood warning in 2021

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.