Alert archive / Kentucky / Flash Flood Warnings in 2021

Flash Flood Warning 53, NWS Jackson, KY

July 30, 20218 counties in Kentucky

NWS Jackson, KY issued this flash flood warning at Jul 30, 2021, 1:33 AM EDT for 8 counties in Kentucky. It was in force for 4 hr. 3 reports 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
Jul 30, 2021, 1:33 AM EDT (05:33 UTC)
Expired
Jul 30, 2021, 5:16 AM EDT
In force
4 hr
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

Counties Breathitt County, KY, Estill County, KY, Lee County, KY, Montgomery County, KY, Owsley County, KY, Perry County, KY, Powell County, KY, Wolfe County, KY

The radar

The Jackson,KY radar (KJKL), 48 km from the middle of the area, began a volume at 05:32 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
Jul 30, 2:00 AM EDTFLASH FLOODStanton, KYWATER WAS FLOWING OVER THE ROAD IN THE BROOKSIDE COTTAGES SUBDIVISION AND MADE IT INTO THE LEASING OFFICE. THE FORCE OF THE WATER CAUSED THE PAVEMENT ON THE ROAD TO BREAK APART.
Jul 30, 2:25 AM EDTFLASH FLOOD2 S Lombard, KYPOWELL COUNTY DISPATCH REPORTED WATER UP TO A RESIDENCE IN THE 5900 BLOCK OF HIGH ROCK ROAD AND THAT THE FIRE DEPARTMENT WAS PERFORMING A WATER RESCUE.
Jul 30, 2:25 AM EDTFLASH FLOODStanton, KYPOWELL COUNTY DISPATCH REPORTED THAT ALL THE PRIMARY STREETS IN STANTON HAVE WATER OVER THEM.

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 00:00Z, 5.6 hours before the alert went out and 182 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 00:00Z on 2021-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2113 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 00:00Z on 2021-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 137 square meters per square second.19395878Sfc1 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
2113 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
691 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
137 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
1.7
Supercell composite
9.2

Open this sounding in Storm Lab

The text

As transmitted.

938 
WGUS53 KJKL 300533
FFWJKL
KYC025-065-129-173-189-193-197-237-300930-
/O.NEW.KJKL.FF.W.0053.210730T0533Z-210730T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson KY
133 AM EDT Fri Jul 30 2021

The National Weather Service in Jackson has issued a

* Flash Flood Warning for...
  Central Estill County in east central Kentucky...
  Montgomery County in east central Kentucky...
  Powell County in east central Kentucky...
  Western Breathitt County in southeastern Kentucky...
  Lee County in southeastern Kentucky...
  Northeastern Owsley County in southeastern Kentucky...
  Northwestern Perry County in southeastern Kentucky...
  Southwestern Wolfe County in southeastern Kentucky...

* Until 530 AM EDT.

* At 133 AM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1.5 and 2.5 inches of 
  rain have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Mount Sterling, Stanton, Beattyville, Campton, Booneville, 
  Jeffersonville, Camargo, Clay City, Fincastle, Buckhorn, Standing 
  Rock, Leeco, Fixer, Zachariah, Zoe, Greeley, See, Torrent, Whisman 
  and Pilot.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3784 8408 3783 8404 3783 8400 3787 8403
      3786 8401 3792 8399 3793 8397 3812 8408
      3816 8401 3793 8377 3790 8376 3785 8367
      3784 8367 3783 8364 3782 8364 3764 8344
      3761 8352 3739 8329 3734 8337 3732 8349

FLASH FLOOD...RADAR INDICATED

$$

RAY
2 follow-up statements
496 
WGUS73 KJKL 300722
FFSJKL

Flash Flood Statement
National Weather Service Jackson KY
322 AM EDT Fri Jul 30 2021

KYC025-065-129-173-189-193-197-237-300930-
/O.CON.KJKL.FF.W.0053.000000T0000Z-210730T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Breathitt KY-Estill KY-Lee KY-Montgomery KY-Owsley KY-Perry KY-
Powell KY-Wolfe KY-
322 AM EDT Fri Jul 30 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 AM EDT EARLY THIS 
MORNING FOR CENTRAL ESTILL, MONTGOMERY, POWELL, WESTERN BREATHITT, 
LEE, NORTHEASTERN OWSLEY, NORTHWESTERN PERRY AND SOUTHWESTERN WOLFE 
COUNTIES...

At 322 AM EDT, Doppler radar indicated thunderstorms had produced 
heavy rain across the warned area. Between 2 and 3 inches of rain 
fell. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Mount Sterling, Stanton, Beattyville, Campton, Booneville, 
  Jeffersonville, Camargo, Clay City, Fincastle, Buckhorn, Standing 
  Rock, Leeco, Fixer, Zachariah, Zoe, Greeley, See, Torrent, Whisman 
  and Pilot.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 3784 8408 3783 8404 3783 8400 3787 8403
      3786 8401 3792 8399 3793 8397 3812 8408
      3816 8401 3793 8377 3790 8376 3785 8367
      3784 8367 3783 8364 3782 8364 3764 8344
      3761 8352 3739 8329 3734 8337 3732 8349

FLASH FLOOD...RADAR INDICATED

$$

GREIF
095 
WGUS73 KJKL 300916
FFSJKL

Flash Flood Statement
National Weather Service Jackson KY
516 AM EDT Fri Jul 30 2021

KYC025-065-129-173-189-193-197-237-300926-
/O.CAN.KJKL.FF.W.0053.000000T0000Z-210730T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Breathitt KY-Estill KY-Lee KY-Montgomery KY-Owsley KY-Perry KY-
Powell KY-Wolfe KY-
516 AM EDT Fri Jul 30 2021

...FLASH FLOOD WARNING FOR CENTRAL ESTILL, MONTGOMERY, POWELL, 
WESTERN BREATHITT, LEE, NORTHEASTERN OWSLEY, NORTHWESTERN PERRY AND 
SOUTHWESTERN WOLFE COUNTIES HAS BEEN REPLACED WITH A FLOOD WARNING...

Heavy rain has ended, but flooding continues across portions of the 
area. The threat for additional flash flooding has ended. A flood 
warning is now in effect through 9 am for this area.

LAT...LON 3784 8408 3783 8404 3783 8400 3787 8403
      3786 8401 3792 8399 3793 8397 3812 8408
      3816 8401 3793 8377 3790 8376 3785 8367
      3784 8367 3783 8364 3782 8364 3764 8344
      3761 8352 3739 8329 3734 8337 3732 8349

$$

RAY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 9:55 PM EDTSpecial Weather StatementJKLRowan35 min
Jul 29, 10:03 PM EDTSevere Thunderstorm WarningJKLRowan27 min
Jul 29, 10:25 PM EDTSevere Thunderstorm WarningJKLElliott, Rowan35 min
Jul 29, 10:44 PM EDTSevere Thunderstorm WarningJKLElliott, Morgan, Rowan31 min
Jul 29, 10:53 PM EDTAreal Flood AdvisoryJKLElliott, Fleming, Rowan3 hr
Jul 29, 11:15 PM EDTSpecial Weather StatementJKLElliott, Johnson, Magoffin, Morgan, Wolfe30 min
Jul 29, 11:23 PM EDTSpecial Weather StatementJKLBath, Fleming, Rowan37 min
Jul 29, 11:32 PM EDTAreal Flood AdvisoryJKLBath, Elliott, Fleming, Morgan, Rowan3 hr
Jul 29, 11:43 PM EDTFlash Flood WarningJKLBath, Fleming, Menifee, Morgan, Rowan4 hr
Jul 30, 12:23 AM EDTSpecial Weather StatementJKLBreathitt, Wolfe52 min
Jul 30, 12:24 AM EDTFlash Flood WarningJKLBath, Magoffin, Menifee, Montgomery, Morgan, Wolfe4 hr
Jul 30, 12:25 AM EDTSpecial Weather StatementJKLMenifee, Montgomery, Wolfe50 min
Jul 30, 12:36 AM EDTSevere Thunderstorm WarningJKLBreathitt, Knott, Magoffin, Perry39 min
Jul 30, 12:45 AM EDTSpecial Weather StatementJKLPerry45 min
Jul 30, 12:59 AM EDTFlash Flood WarningJKLBreathitt, Magoffin4 hr
Jul 30, 1:05 AM EDTSpecial Weather StatementJKLBreathitt, Knott40 min
Jul 30, 1:26 AM EDTSpecial Weather StatementJKLLeslie, Perry49 min
Jul 30, 1:30 AM EDTSevere Thunderstorm WarningJKLLeslie, Perry45 min
Jul 30, 1:37 AM EDTSpecial Weather StatementJKLMontgomery, Powell53 min
Jul 30, 1:55 AM EDTFlash Flood WarningJKLLeslie, Perry4 hr
Jul 30, 2:06 AM EDTSpecial Weather StatementJKLHarlan39 min
Jul 30, 2:08 AM EDTSpecial Weather StatementJKLEstill, Jackson52 min
Jul 30, 2:23 AM EDTSpecial Weather StatementJKLBell, Clay52 min
Jul 30, 2:35 AM EDTFlash Flood WarningJKLClay, Estill, Jackson, Lee, Leslie, Owsley4 hr
Jul 30, 2:41 AM EDTSpecial Weather StatementJKLJackson, Laurel, Rockcastle49 min
Jul 30, 3:04 AM EDTSpecial Weather StatementJKLBell, Clay, Knox41 min
Jul 30, 3:12 AM EDTSpecial Weather StatementJKLPulaski, Rockcastle48 min
Jul 30, 3:23 AM EDTAreal Flood AdvisoryJKLClay, Jackson, Laurel, Rockcastle4 hr
Jul 30, 3:30 AM EDTAreal Flood WarningJKLBath, Fleming, Menifee, Morgan, Rowan6 hr
Jul 30, 3:32 AM EDTSpecial Weather StatementJKLKnox, Laurel43 min
Jul 30, 3:56 AM EDTSpecial Weather StatementJKLLaurel, McCreary, Pulaski, Whitley64 min
Jul 30, 4:03 AM EDTAreal Flood AdvisoryJKLLaurel, Pulaski4 hr
Jul 30, 4:11 AM EDTSevere Thunderstorm WarningJKLLaurel, McCreary, Pulaski, Rockcastle, Whitley49 min
Jul 30, 4:16 AM EDTTornado WarningJKLMcCreary, Whitley29 min
Jul 30, 4:18 AM EDTFlash Flood WarningJKLKnox, Laurel, Pulaski, Rockcastle, Whitley4 hr
Jul 30, 4:21 AM EDTAreal Flood WarningJKLBath, Magoffin, Menifee, Montgomery, Morgan, Wolfe3 hr
Jul 30, 4:44 AM EDTSpecial Weather StatementJKLMcCreary, Pulaski, Wayne, Whitley61 min
Jul 30, 4:54 AM EDTAreal Flood AdvisoryJKLMcCreary, Wayne, Whitley3 hr
Jul 30, 4:54 AM EDTSevere Thunderstorm WarningJKLBell, McCreary, Whitley51 min
Jul 30, 5:16 AM EDTAreal Flood WarningJKLBreathitt, Estill, Lee, Montgomery, Owsley, Powell and 1 more4 hr
Jul 30, 5:22 AM EDTSpecial Weather StatementJKLMcCreary, Wayne38 min
Jul 30, 6:35 AM EDTRiver Flood AdvisoryJKLEstill, Powell24 hr
Jul 30, 7:14 AM EDTAreal Flood WarningJKLBath, Menifee, Montgomery, Morgan, Wolfe4 hr
Jul 30, 7:58 AM EDTAreal Flood WarningJKLKnox, Laurel, Pulaski, Rockcastle, Whitley86 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.