Alert archive / Kentucky / Flash Flood Warnings in 2021

Flash Flood Warning 37, NWS Jackson, KY

June 11, 2021Whitley County, Kentucky

NWS Jackson, KY issued this flash flood warning at Jun 11, 2021, 5:21 PM EDT for Whitley County, Kentucky. It was in force for 105 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, 5:21 PM EDT (21:21 UTC)
Expired: Jun 11, 2021, 7:06 PM EDT
In force: 105 min
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Flood severity: None

County Whitley County, KY

The radar

The Jackson,KY radar (KJKL), 105 km from the middle of the area, began a volume at 21:23 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, 9.4 hours before the alert went out and 235 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

418 
WGUS53 KJKL 112121
FFWJKL
KYC235-112315-
/O.NEW.KJKL.FF.W.0037.210611T2121Z-210611T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Jackson has issued a

* Flash Flood Warning for...
  North Central Whitley County in south central Kentucky...

* Until 715 PM EDT.

* At 521 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...
  Rye, Barton, Grove, 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 3697 8426 3695 8425 3696 8424 3694 8423
      3696 8422 3695 8421 3695 8420 3694 8417
      3694 8416 3697 8415 3697 8414 3696 8414
      3697 8413 3696 8410 3695 8410 3695 8409
      3690 8409 3690 8420 3694 8425

FLASH FLOOD...RADAR INDICATED

$$

GREIF

1 follow-up statement

291 
WGUS73 KJKL 112306
FFSJKL

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

KYC235-112316-
/O.CAN.KJKL.FF.W.0037.000000T0000Z-210611T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Whitley KY-
706 PM EDT Fri Jun 11 2021

...FLASH FLOOD WARNING IS CANCELLED FOR NORTH CENTRAL WHITLEY 
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 3697 8426 3695 8425 3696 8424 3694 8423
      3696 8422 3695 8421 3695 8420 3694 8417
      3694 8416 3697 8415 3697 8414 3696 8414
      3697 8413 3696 8410 3695 8410 3695 8409
      3690 8409 3690 8420 3694 8425

$$

GEERTSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 10:01 PM EDT	Areal Flood Advisory	JKL	Owsley	119 min
Jun 10, 10:53 PM EDT	Areal Flood Advisory	JKL	Knox	3 hr
Jun 11, 12:33 AM EDT	Areal Flood Advisory	JKL	Laurel, Rockcastle	20 min
Jun 11, 12:53 AM EDT	Flash Flood Warning	JKL	Laurel, Rockcastle	2 hr
Jun 11, 1:15 AM EDT	Areal Flood Advisory	JKL	Jackson, Pulaski, Rockcastle	2 hr
Jun 11, 3:10 AM EDT	Areal Flood Advisory	JKL	Jackson, Laurel, Pulaski, Rockcastle	8 hr
Jun 11, 3:54 AM EDT	Flash Flood Watch	JKL	Bell, Breathitt, Clay, Elliott, Estill, Floyd and 23 more	18 hr
Jun 11, 4:29 AM EDT	Areal Flood Advisory	JKL	Breathitt, Jackson, Lee, Magoffin, Owsley, Wolfe	3 hr
Jun 11, 4:50 AM EDT	Flash Flood Warning	JKL	Lee	3 hr
Jun 11, 5:35 AM EDT	Areal Flood Advisory	JKL	Estill, Lee	3 hr
Jun 11, 5:56 AM EDT	Flash Flood Warning	JKL	Breathitt, Lee, Wolfe	3 hr
Jun 11, 6:19 AM EDT	Flash Flood Warning	JKL	Estill	3 hr
Jun 11, 6:51 AM EDT	Areal Flood Advisory	JKL	Estill, Powell, Wolfe	114 min
Jun 11, 7:28 AM EDT	Areal Flood Advisory	JKL	Menifee	2 hr
Jun 11, 7:46 AM EDT	Areal Flood Warning	JKL	Lee	3 hr
Jun 11, 8:50 AM EDT	Areal Flood Warning	JKL	Lee	2 hr
Jun 11, 9:55 AM EDT	Areal Flood Warning	JKL	Wolfe	7 hr
Jun 11, 10:14 AM EDT	Areal Flood Advisory	JKL	Bell, Knox, Whitley	3 hr
Jun 11, 11:03 AM EDT	Areal Flood Warning	JKL	Lee	6 hr
Jun 11, 12:21 PM EDT	Areal Flood Advisory	JKL	Breathitt, Lee, Owsley	5 hr
Jun 11, 1:13 PM EDT	Areal Flood Advisory	JKL	Menifee, Montgomery, Powell	5 hr
Jun 11, 1:16 PM EDT	Areal Flood Advisory	JKL	Breathitt, Knott, Perry	3 hr
Jun 11, 1:48 PM EDT	Special Weather Statement	JKL	Bell, Whitley	42 min
Jun 11, 1:49 PM EDT	Special Weather Statement	JKL	Leslie	41 min
Jun 11, 1:50 PM EDT	Areal Flood Advisory	JKL	Estill, Lee	3 hr
Jun 11, 1:52 PM EDT	Areal Flood Advisory	JKL	Floyd, Knott, Magoffin	3 hr
Jun 11, 1:53 PM EDT	Areal Flood Advisory	JKL	Clay, Jackson, Leslie, Owsley, Perry	3 hr
Jun 11, 1:55 PM EDT	Areal Flood Advisory	JKL	Bell, Knox, Whitley	5 hr
Jun 11, 2:08 PM EDT	Flash Flood Warning	JKL	Whitley	6 hr
Jun 11, 2:10 PM EDT	Flash Flood Warning	JKL	Clay, Owsley	3 hr
Jun 11, 2:39 PM EDT	Areal Flood Advisory	JKL	Harlan, Leslie, Letcher, Perry	3 hr
Jun 11, 2:41 PM EDT	Areal Flood Advisory	JKL	Clay	3 hr
Jun 11, 3:01 PM EDT	Areal Flood Advisory	JKL	Clay, Laurel, Leslie	3 hr
Jun 11, 3:06 PM EDT	Flash Flood Warning	JKL	Clay	2 hr
Jun 11, 3:08 PM EDT	Areal Flood Advisory	JKL	Jackson, Lee, Owsley	3 hr
Jun 11, 3:11 PM EDT	Areal Flood Advisory	JKL	Estill, Lee, Powell	3 hr
Jun 11, 3:34 PM EDT	Flash Flood Warning	JKL	Clay, Laurel	3 hr
Jun 11, 3:48 PM EDT	Special Weather Statement	JKL	Bath, Menifee	42 min
Jun 11, 3:57 PM EDT	River Flood Advisory	JKL	Estill	13 hr
Jun 11, 4:04 PM EDT	Areal Flood Advisory	JKL	Harlan	3 hr
Jun 11, 4:12 PM EDT	Special Weather Statement	JKL	Montgomery	48 min
Jun 11, 4:17 PM EDT	Areal Flood Advisory	JKL	Bath, Fleming, Montgomery	3 hr
Jun 11, 4:23 PM EDT	Flash Flood Warning	JKL	Laurel	3 hr
Jun 11, 4:26 PM EDT	Areal Flood Advisory	JKL	Knox, Laurel	3 hr
Jun 11, 5:02 PM EDT	Areal Flood Advisory	JKL	Montgomery, Powell	118 min
Jun 11, 5:05 PM EDT	Areal Flood Advisory	JKL	Laurel, Whitley	3 hr
Jun 11, 5:11 PM EDT	Flash Flood Warning	JKL	McCreary, Whitley	2 hr
Jun 11, 5:18 PM EDT	Flash Flood Warning	JKL	Laurel	107 min
Jun 11, 6:34 PM EDT	Special Weather Statement	JKL	Rockcastle	26 min
Jun 11, 6:44 PM EDT	Areal Flood Warning	JKL	Clay, Laurel	3 hr
Jun 11, 7:22 PM EDT	Special Weather Statement	JKL	Rockcastle	23 min

Nearby

Flash Flood Warnings in Kentucky, 2021 Every 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.