Alert archive / Kentucky / Flash Flood Warnings in 2021

Flash Flood Warning 62, NWS Jackson, KY

August 19, 2021Wolfe County, Kentucky

NWS Jackson, KY issued this flash flood warning at Aug 19, 2021, 10:47 AM EDT for Wolfe County, Kentucky. It was in force for 3 hr. 4 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
Aug 19, 2021, 10:47 AM EDT (14:47 UTC)
Expired
Aug 19, 2021, 1:45 PM EDT
In force
3 hr
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

County Wolfe County, KY

The radar

The Jackson,KY radar (KJKL), 17 km from the middle of the area, began a volume at 14:46 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
Aug 19, 11:08 AM EDTFLASH FLOOD1 Nnw Bethany, KYPICTURES POSTED ON SOCIAL MEDIA BY LOCAL TV STATION.
Aug 19, 12:00 PM EDTFLASH FLOODBethany, KYPICTURE OF FLASH FLOODING AT BETHANY CHRISTIAN SCHOOL IN BETHANY. OBTAINED FROM SOCIAL MEDIA. WATER WAS IN THE SCHOOL BUILDING.
Aug 19, 12:20 PM EDTFLASH FLOOD1 Ese Hollonville, KYSOCIAL MEDIA POST SHOWING FLASH FLOODING OVER SPRING BRANCH ROAD.
Aug 19, 12:57 PM EDTFLASH FLOODLandsaw, KYPICTURES AND VIDEO ON SOCIAL MEDIA SHOWED STILLWATER CREEK FLASH FLOODING AROUND AT LEAST ONE BARN AND HOME BETWEEN MALAGA AND LANDSAW.

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, 2.8 hours before the alert went out and 194 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 2021-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 33 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 2021-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 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
33 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
867 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
13 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

758 
WGUS53 KJKL 191447
FFWJKL
KYC237-191745-
/O.NEW.KJKL.FF.W.0062.210819T1447Z-210819T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson KY
1047 AM EDT Thu Aug 19 2021

The National Weather Service in Jackson has issued a

* Flash Flood Warning for...
  Wolfe County in southeastern Kentucky...

* Until 145 PM EDT.

* At 1047 AM EDT, weather radar indicated heavy rain across the 
  warned area. Some locations have likely received close to 3 inches 
  of rain this morning.  Flash flooding is ongoing or expected to 
  begin shortly.

  HAZARD...Flash flooding caused by heavy rain showers.

  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 may experience flash flooding include...
  Campton, Baptist, Vortex, Stillwater, Landsaw, Lane, Trent, 
  Hollonville, Mary, Calaboose, Malaga, Flat, High Falls, Grannie, 
  Lexie, Pine Ridge, Gilmore, Booth, Upper Gilmore and Rogers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be aware of your surroundings and do not drive on flooded roads. 
Most flood deaths occur in vehicles. Turn around, don't drown.

&&

LAT...LON 3779 8366 3777 8333 3776 8333 3775 8332
      3774 8329 3773 8328 3772 8328 3771 8325
      3768 8335 3768 8336 3769 8337 3769 8338
      3770 8339 3769 8342 3766 8344 3764 8352
      3766 8359 3772 8371

FLASH FLOOD...RADAR INDICATED

$$

HAL
2 follow-up statements
945 
WGUS73 KJKL 191614
FFSJKL

Flash Flood Statement
National Weather Service Jackson KY
1214 PM EDT Thu Aug 19 2021

KYC237-191745-
/O.CON.KJKL.FF.W.0062.000000T0000Z-210819T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Wolfe KY-
1214 PM EDT Thu Aug 19 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 PM EDT THIS 
AFTERNOON FOR WOLFE COUNTY...

At 1214 PM EDT, Although heavy rain has tapered off, flash flooding 
is ongoing in south central Wolfe County.

HAZARD...Flash flooding caused by heavy rain.

SOURCE...Flash flooding reported by the public and broadcast
         media.

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 may experience flash flooding include...
  Campton, Baptist, Vortex, Stillwater, Landsaw, Lane, Trent, 
  Hollonville, Mary, Calaboose, Malaga, Flat, High Falls, Grannie, 
  Lexie, Pine Ridge, Gilmore, Booth, Upper Gilmore and Rogers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be aware of your surroundings and do not drive on flooded roads. 
Most flood deaths occur in vehicles. Turn around, don't drown.

&&

LAT...LON 3779 8366 3777 8333 3776 8333 3775 8332
      3774 8329 3773 8328 3772 8328 3771 8325
      3768 8335 3768 8336 3769 8337 3769 8338
      3770 8339 3769 8342 3766 8344 3764 8352
      3766 8359 3772 8371

FLASH FLOOD...OBSERVED

$$

HAL
940 
WGUS73 KJKL 191744
FFSJKL

Flash Flood Statement
National Weather Service Jackson KY
144 PM EDT Thu Aug 19 2021

KYC237-191754-
/O.EXP.KJKL.FF.W.0062.000000T0000Z-210819T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Wolfe KY-
144 PM EDT Thu Aug 19 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 145 PM EDT THIS AFTERNOON FOR 
WOLFE COUNTY...

Although heavy rain has tapered off, flooding is likely to continue 
to affect some locations. The Flash Flood Warning has been replaced 
with an area Flood Warning.

LAT...LON 3779 8366 3777 8333 3776 8333 3775 8332
      3774 8329 3773 8328 3772 8328 3771 8325
      3768 8335 3768 8336 3769 8337 3769 8338
      3770 8339 3769 8342 3766 8344 3764 8352
      3766 8359 3772 8371

$$

HAL

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 11:42 PM EDTRiver Flood AdvisoryJKLEstill5 hr
Aug 19, 2:37 AM EDTSpecial Weather StatementJKLWhitley38 min
Aug 19, 5:44 AM EDTRiver Flood AdvisoryJKLEstill, Powell12 hr
Aug 19, 9:46 AM EDTAreal Flood AdvisoryJKLEstill119 min
Aug 19, 9:54 AM EDTAreal Flood AdvisoryJKLMagoffin117 min
Aug 19, 10:15 AM EDTAreal Flood AdvisoryJKLEstill, Lee, Morgan, Powell, Wolfe3 hr
Aug 19, 10:37 AM EDTFlash Flood WarningJKLMagoffin3 hr
Aug 19, 12:22 PM EDTAreal Flood AdvisoryJKLBath, Elliott, Menifee, Rowan3 hr
Aug 19, 12:45 PM EDTAreal Flood AdvisoryJKLEstill, Lee, Menifee, Powell, Wolfe3 hr
Aug 19, 1:00 PM EDTAreal Flood WarningJKLEstill8 hr
Aug 19, 1:40 PM EDTAreal Flood WarningJKLEstill, Lee, Magoffin, Powell, Wolfe2 hr
Aug 19, 1:53 PM EDTAreal Flood AdvisoryJKLPike4 hr
Aug 19, 2:34 PM EDTFlash Flood WarningJKLPike3 hr
Aug 19, 3:14 PM EDTRiver Flood AdvisoryJKLLee16 hr
Aug 19, 3:14 PM EDTRiver Flood AdvisoryJKLEstill21 hr
Aug 19, 5:12 PM EDTAreal Flood AdvisoryJKLPowell, Wolfe5 hr
Aug 19, 5:20 PM EDTDense Fog AdvisoryJKLBath, Bell, Breathitt, Clay, Elliott, Estill and 27 more17 hr
Aug 19, 5:52 PM EDTRiver Flood WarningJKLEstill, Powell45 hr

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.