Alert archive / Kentucky / Flash Flood Warnings in 2021

Flash Flood Warning 58, NWS Jackson, KY

August 14, 2021McCreary County, Pulaski County, Wayne County, Kentucky

NWS Jackson, KY issued this flash flood warning at Aug 14, 2021, 8:14 PM EDT for McCreary County, Pulaski County, Wayne County, Kentucky. It was in force for 91 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: Aug 14, 2021, 8:14 PM EDT (00:14 UTC)
Expired: Aug 14, 2021, 9:45 PM EDT
In force: 91 min
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Flood severity: None

Counties McCreary County, KY, Pulaski County, KY, Wayne County, KY

The radar

The Knoxville radar (KMRX), 136 km from the middle of the area, began a volume at 00:16 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 00:00Z, 0.2 hours before the alert went out and 197 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: 1476 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 941 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: -19 m²/s²
0-3 km storm-relative helicity: -3 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

559 
WGUS53 KJKL 150014
FFWJKL
KYC147-199-231-150145-
/O.NEW.KJKL.FF.W.0058.210815T0014Z-210815T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson KY
814 PM EDT Sat Aug 14 2021

The National Weather Service in Jackson has issued a

* Flash Flood Warning for...
  Central McCreary County in south central Kentucky...
  South Central Pulaski County in south central Kentucky...
  Northeastern Wayne County in south central Kentucky...

* Until 945 PM EDT.

* At 814 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 3 inches of rain 
  have fallen. Additional rainfall amounts up to 1 inch 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...
  Burnside, Delta, Kidder, Quinton, Denney, Ritner, Tateville, 
  Gregory, General Burnside S.P., Sloans Valley, Bronston, Frazer, 
  Alpine, Betsey, Greenwood, Parkers Lake and Wiborg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3700 8474 3698 8445 3692 8446 3676 8450
      3679 8481

FLASH FLOOD...RADAR INDICATED

$$

CMF

1 follow-up statement

039 
WGUS73 KJKL 150137
FFSJKL

Flash Flood Statement
National Weather Service Jackson KY
937 PM EDT Sat Aug 14 2021

KYC147-199-231-150147-
/O.EXP.KJKL.FF.W.0058.000000T0000Z-210815T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
McCreary KY-Pulaski KY-Wayne KY-
937 PM EDT Sat Aug 14 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 945 PM EDT THIS EVENING FOR 
CENTRAL MCCREARY, SOUTH CENTRAL PULASKI AND NORTHEASTERN WAYNE 
COUNTIES...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

LAT...LON 3700 8474 3698 8445 3692 8446 3676 8450
      3679 8481

$$

CMF

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 14, 8:04 PM EDT	Special Weather Statement	JKL	Bell, Harlan	41 min
Aug 14, 8:09 PM EDT	Severe Thunderstorm Warning	JKL	Bell, Harlan, Leslie	36 min
Aug 14, 8:28 PM EDT	Severe Thunderstorm Warning	JKL	Bell	47 min
Aug 14, 8:43 PM EDT	Special Weather Statement	JKL	McCreary	47 min
Aug 14, 9:13 PM EDT	Flash Flood Warning	JKL	McCreary	2 hr
Aug 14, 9:31 PM EDT	Special Weather Statement	JKL	Whitley	44 min
Aug 14, 9:47 PM EDT	Special Weather Statement	JKL	Harlan, Letcher	43 min
Aug 14, 9:51 PM EDT	Special Weather Statement	JKL	Knox	39 min
Aug 14, 10:15 PM EDT	Special Weather Statement	JKL	Whitley	30 min
Aug 14, 10:31 PM EDT	Special Weather Statement	JKL	Leslie, Letcher, Perry	44 min
Aug 15, 4:35 PM EDT	Special Weather Statement	JKL	Wayne	25 min
Aug 15, 6:00 PM EDT	Special Weather Statement	JKL	Pulaski	45 min
Aug 15, 6:46 PM EDT	Areal Flood Advisory	JKL	Laurel	15 min
Aug 15, 7:01 PM EDT	Flash Flood Warning	JKL	Laurel	3 hr
Aug 15, 7:12 PM EDT	Special Weather Statement	JKL	Knox, Whitley	48 min
Aug 15, 7:15 PM EDT	Special Weather Statement	JKL	Letcher, Pike	45 min
Aug 15, 7:41 PM EDT	Areal Flood Advisory	JKL	Letcher, Pike	2 hr
Aug 15, 7:42 PM EDT	Areal Flood Advisory	JKL	Bell, Clay, Knox, Leslie, Whitley	2 hr

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.