Alert archive / Kentucky / Flash Flood Warnings in 2021

Flash Flood Warning 29, NWS Louisville, KY

July 1, 20215 counties in Kentucky

NWS Louisville, KY issued this flash flood warning at Jul 1, 2021, 9:33 AM EDT for 5 counties in Kentucky. It was in force for 6 hr. 5 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 1, 2021, 9:33 AM EDT (13:33 UTC)
Expired: Jul 1, 2021, 3:26 PM EDT
In force: 6 hr
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Flood severity: None

Counties Clark County, KY, Garrard County, KY, Jessamine County, KY, Madison County, KY, Mercer County, KY

The radar

The Jackson,KY radar (KJKL), 96 km from the middle of the area, began a volume at 13:37 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

Time	Report	Where	Remark
Jul 1, 11:08 AM EDT	FLASH FLOOD	1 Nne Burgin, KY	PORTIONS OF HIGHWAY 33 AND PLEASANT HILL DRIVE FLOODED NEAR BURGIN. FLASH FLOODING ALSO REPORTED ALONG COLLEGE STREET NEAR HARRODSBURG.
Jul 1, 1:30 PM EDT	FLASH FLOOD	2 Wsw Redhouse, KY	WATER OVER ROADWAYS ON BOONE TRAIL RD., THREE FORKS RD., PINEUR RD.
Jul 1, 1:30 PM EDT	FLASH FLOOD	4 Wnw Redhouse, KY	WATER OVER ROAD AT FRANCES DR. AND LEXINGTON RD.
Jul 1, 1:30 PM EDT	FLASH FLOOD	4 W Redhouse, KY	WATER OVER ROAD ON WHITE HALL SHRINE RD.
Jul 1, 2:45 PM EDT	HEAVY RAIN 4.96	1 Sse Ruckerville, KY

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, 1.6 hours before the alert went out and 180 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: 133 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 627 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: -47 m²/s²
0-3 km storm-relative helicity: -20 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

As transmitted.

458 
WGUS53 KLMK 011333
FFWLMK
KYC049-079-113-151-167-011645-
/O.NEW.KLMK.FF.W.0029.210701T1333Z-210701T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Louisville KY
933 AM EDT Thu Jul 1 2021

The National Weather Service in Louisville has issued a

* Flash Flood Warning for...
  Central Clark County in central Kentucky...
  Northwestern Garrard County in central Kentucky...
  Southern Jessamine County in central Kentucky...
  Northern Madison County in central Kentucky...
  Southeastern Mercer County in central Kentucky...

* Until 1245 PM EDT.

* At 933 AM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1.5 and 3 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...
  Richmond, Nicholasville, Winchester, Harrodsburg, Burgin, Valley 
  View, Blue Grass, Baldwin, Million and Cuzick.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3769 8494 3776 8492 3782 8474 3788 8444
      3785 8444 3787 8441 3785 8439 3786 8437
      3789 8438 3788 8434 3790 8435 3801 8409
      3810 8410 3810 8407 3793 8397 3786 8402
      3786 8401 3784 8408 3785 8408 3779 8416

FLASH FLOOD...RADAR INDICATED

$$

DM

2 follow-up statements

755 
WGUS53 KLMK 011515
FFWLMK
KYC049-079-113-151-167-011945-
/O.EXT.KLMK.FF.W.0029.000000T0000Z-210701T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Louisville KY
1115 AM EDT Thu Jul 1 2021

The National Weather Service in Louisville has extended the

* Flash Flood Warning for...
  Central Clark County in central Kentucky...
  Northwestern Garrard County in central Kentucky...
  Southern Jessamine County in central Kentucky...
  Northern Madison County in central Kentucky...
  Southeastern Mercer County in central Kentucky...

* Until 345 PM EDT.

* At 1115 AM EDT, local law enforcement reported thunderstorms 
  producing heavy rain and flash flooding across the warned area, 
  resulting in flooded roadways and road closures. Between 2 and 5 
  inches of rain have fallen. Additional rainfall amounts of 1 to 3 
  inches are possible in the warned area.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Law enforcement reported.

  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...
  Richmond, Nicholasville, Winchester, Harrodsburg, Burgin, Valley 
  View, Blue Grass, Baldwin, Million and Cuzick.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3769 8494 3776 8492 3782 8474 3788 8444
      3785 8444 3787 8441 3785 8439 3786 8437
      3789 8438 3788 8434 3790 8435 3801 8409
      3810 8410 3810 8407 3793 8397 3786 8402
      3786 8401 3784 8408 3785 8408 3779 8416

FLASH FLOOD...OBSERVED

$$

DM

782 
WGUS73 KLMK 011926
FFSLMK

Flash Flood Statement
National Weather Service Louisville KY
326 PM EDT Thu Jul 1 2021

KYC049-079-113-151-167-011936-
/O.CAN.KLMK.FF.W.0029.000000T0000Z-210701T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Clark KY-Garrard KY-Jessamine KY-Madison KY-Mercer KY-
326 PM EDT Thu Jul 1 2021

...FLASH FLOOD WARNING FOR CENTRAL CLARK, NORTHWESTERN GARRARD, 
SOUTHERN JESSAMINE, NORTHERN MADISON AND SOUTHEASTERN MERCER 
COUNTIES HAS BEEN REPLACED WITH A FLOOD WARNING...

The heavy rain and flash flood threat has ended, however, lingering 
light to moderate rain showers combined with saturated soils will 
continue an areal flood threat. As a result, the areal flood warning 
will replace the flash flood warning.

LAT...LON 3769 8494 3776 8492 3782 8474 3788 8444
      3785 8444 3787 8441 3785 8439 3786 8437
      3789 8438 3788 8434 3790 8435 3801 8409
      3810 8410 3810 8407 3793 8397 3786 8402
      3786 8401 3784 8408 3785 8408 3779 8416

$$

DM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 11:07 PM EDT	Special Weather Statement	LMK	Fayette, Jessamine	23 min
Jun 30, 11:28 PM EDT	Special Weather Statement	LMK	Clark	47 min
Jun 30, 11:36 PM EDT	Special Weather Statement	LMK	Bourbon	39 min
Jul 1, 12:07 AM EDT	Special Weather Statement	LMK	Nicholas	23 min
Jul 1, 12:12 AM EDT	Special Weather Statement	LMK	Lincoln	33 min
Jul 1, 3:57 AM EDT	Flash Flood Watch	LMK	Adair, Anderson, Bourbon, Boyle, Bullitt, Casey and 24 more	16 hr
Jul 1, 7:36 AM EDT	Areal Flood Advisory	LMK	Clark, Fayette, Jessamine	3 hr
Jul 1, 8:28 AM EDT	Flash Flood Warning	LMK	Clark, Fayette, Jessamine	7 hr
Jul 1, 9:00 AM EDT	Areal Flood Advisory	LMK	Boyle, Garrard, Jessamine, Mercer	3 hr
Jul 1, 11:47 AM EDT	Areal Flood Advisory	LMK	Jefferson	3 hr
Jul 1, 11:55 AM EDT	Flash Flood Warning	LMK	Boyle, Marion, Mercer, Washington	4 hr
Jul 1, 12:22 PM EDT	Areal Flood Advisory	LMK	Bullitt, Jefferson, Spencer	3 hr
Jul 1, 12:31 PM EDT	Flash Flood Warning	LMK	Bullitt, Jefferson, Spencer	3 hr
Jul 1, 12:51 PM EDT	Areal Flood Advisory	LMK	Garrard, Lincoln, Madison	4 hr
Jul 1, 1:05 PM EDT	Areal Flood Advisory	LMK	Anderson, Mercer, Spencer, Washington	3 hr
Jul 1, 1:18 PM EDT	Areal Flood Advisory	LMK	Bullitt, Nelson, Spencer	3 hr
Jul 1, 1:51 PM EDT	Flash Flood Warning	LMK	Anderson, Mercer, Washington	3 hr
Jul 1, 2:17 PM EDT	Flash Flood Warning	LMK	Garrard, Lincoln, Madison	3 hr
Jul 1, 3:23 PM EDT	Areal Flood Warning	LMK	Clark, Fayette, Jessamine	2 hr
Jul 1, 3:26 PM EDT	Areal Flood Warning	LMK	Clark, Garrard, Jessamine, Madison, Mercer	3 hr
Jul 1, 3:39 PM EDT	Areal Flood Warning	LMK	Boyle, Marion, Mercer, Washington	3 hr
Jul 1, 3:42 PM EDT	Areal Flood Warning	LMK	Bullitt, Jefferson, Spencer	2 hr
Jul 1, 4:54 PM EDT	Areal Flood Warning	LMK	Anderson, Mercer, Washington	97 min
Jul 1, 6:43 PM EDT	River Flood Warning	LMK	Bourbon	28 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.