Alert archive / Kentucky / Flash Flood Warnings in 2021

Flash Flood Warning 34, NWS Jackson, KY

June 11, 2021Laurel County, Kentucky

NWS Jackson, KY issued this flash flood warning at Jun 11, 2021, 4:23 PM EDT for Laurel County, Kentucky. It was in force for 3 hr. 1 report 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
Jun 11, 2021, 4:23 PM EDT (20:23 UTC)
Expired
Jun 11, 2021, 7:30 PM EDT
In force
3 hr
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

County Laurel County, KY

The radar

The Jackson,KY radar (KJKL), 79 km from the middle of the area, began a volume at 20:25 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
Jun 11, 4:50 PM EDTFLASH FLOOD1 Se Victory, KYLAUREL COUNTY 911 CALL CENTER REPORTED A WATER RESCUE ALONG HIGHWAY 578 IN THE 800 BLOCK.

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 12:00Z, 8.4 hours before the alert went out and 245 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 2021-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 459 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 2021-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 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
459 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
803 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
-2 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

969 
WGUS53 KJKL 112023
FFWJKL
KYC125-112330-
/O.NEW.KJKL.FF.W.0034.210611T2023Z-210611T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Jackson has issued a

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

* Until 730 PM EDT.

* At 423 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...
  Atlanta, Victory, Greenmount, East Bernstadt and Maplesville.

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 3728 8411 3722 8418 3713 8403 3721 8397
      3729 8409

FLASH FLOOD...RADAR INDICATED

$$

GREIF
2 follow-up statements
633 
WGUS73 KJKL 112135
FFSJKL

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

KYC125-112330-
/O.CON.KJKL.FF.W.0034.000000T0000Z-210611T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Laurel KY-
535 PM EDT Fri Jun 11 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM EDT THIS 
EVENING FOR NORTHEASTERN LAUREL COUNTY...

At 535 PM EDT, emergency management reported a water rescue along 
Highway 578. Between 1 and 2.5 inches of rain have fallen from slow 
moving thunderstorms earlier this afternoon. Flash flooding is 
occurring.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Emergency management.

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...
  Atlanta, Victory, Greenmount, East Bernstadt and Maplesville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3728 8411 3722 8418 3713 8403 3721 8397
      3729 8409

FLASH FLOOD...OBSERVED

$$

GEERTSON
324 
WGUS73 KJKL 112328
FFSJKL

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

KYC125-112338-
/O.EXP.KJKL.FF.W.0034.000000T0000Z-210611T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Laurel KY-
728 PM EDT Fri Jun 11 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 730 PM EDT THIS EVENING FOR 
NORTHEASTERN LAUREL COUNTY...

Flood waters are receding and flash flooding is no longer expected 
to pose a threat. Please continue to heed remaining road closures.

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 3728 8411 3722 8418 3713 8403 3721 8397
      3729 8409

$$

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, 4:26 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, 5:18 PM EDTFlash Flood WarningJKLLaurel107 min
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.