Alert archive / Kentucky / Flash Flood Warnings in 2022

Flash Flood Warning 27, NWS Louisville, KY

August 10, 2022Casey County, Taylor County, Kentucky

NWS Louisville, KY issued this flash flood warning at Aug 10, 2022, 6:30 PM EDT for Casey County, Taylor County, Kentucky. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 10, 2022, 6:30 PM EDT (22:30 UTC)
Expired: Aug 10, 2022, 8:57 PM EDT
In force: 2 hr
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Flood severity: None

Counties Casey County, KY, Taylor County, KY

The radar

The Louisville radar (KLVX), 100 km from the middle of the area, began a volume at 22:35 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, 10.5 hours before the alert went out and 188 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: 560 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 806 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: 10 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Louisville, KY wrote its last area forecast discussion before this flash flood warning went out at Aug 10, 3:23 PM EDT, 3 hours 7 minutes earlier.

Area forecast discussion, Aug 10, 3:23 PM EDT, 3 hours 7 minutes before

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Hazardous weather outlook, Aug 10, 3:26 PM EDT, 3 hours 4 minutes before

Hazardous Weather Outlook
National Weather Service Louisville KY
326 PM EDT Wed Aug 10 2022

KYZ033>043-045>049-053>057-063>067-073>078-081-082-111930-
Henry-Shelby-Franklin-Scott-Harrison-Spencer-Anderson-Woodford-
Fayette-Bourbon-Nicholas-Nelson-Washington-Mercer-Jessamine-Clark-
Larue-Marion-Boyle-Garrard-Madison-Hart-Green-Taylor-Casey-Lincoln-
Allen-Barren-Monroe-Metcalfe-Adair-Russell-Cumberland-Clinton-
Including the cities of New Castle, Shelbyville, Frankfort,
Georgetown, Cynthiana, Taylorsville, Lawrenceburg, Versailles,
Lexington, Paris, Carlisle, Bardstown, Springfield, Harrodsburg,
Nicholasville, Winchester, Hodgenville, Lebanon, Danville,
Lancaster, Richmond, Horse Cave, Greensburg, Campbellsville,
Liberty, Stanford, Scottsville, Glasgow, Tompkinsville, Edmonton,
Columbia, Jamestown, Burkesville, and Albany
326 PM EDT Wed Aug 10 2022 /226 PM CDT Wed Aug 10 2022/

...FLOOD WATCH IN EFFECT UNTIL MIDNIGHT EDT /11 PM CDT/ TONIGHT...

This hazardous weather outlook is for portions of south central
Indiana and Central Kentucky.

.DAY ONE...This Afternoon and Tonight.

Thunderstorms will continue through late evening, with the main
threat being heavy rainfall and lightning. Excessive rainfall could
result in flash flooding.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report instances of flooding or heavy
rainfall to the National Weather Service in Louisville.

GENERAL STORM MOTION OF THE DAY:

Storms today will move from west to east at around 10 mph.

Any users of this storm motion must be aware that thunderstorm activity
can be erratic and constantly evolving.  Please use this with caution
and be prepared for changing conditions.

&&

More information, along with other weather, hydrological and
climate information can be found, at weather.gov/louisville.

INZ076>079-083-084-089>092-KYZ023>032-061-062-070>072-111930-
Orange-Washington-Scott-Jefferson-Dubois-Crawford-Perry-Harrison-
Floyd-Clark-Hancock-Breckinridge-Meade-Ohio-Grayson-Hardin-Bullitt-
Oldham-Trimble-Butler-Edmonson-Logan-Warren-Simpson-
Including the cities of Paoli, Salem, Scottsburg, Madison, Jasper,
English, Tell City, Corydon, New Albany, Jeffersonville, Lewisport,
Hawesville, Hardinsburg, Brandenburg, Hartford, Leitchfield,
Elizabethtown, Shepherdsville, Louisville, La Grange, Bedford,
Milton, Morgantown, Brownsville, Russellville, Bowling Green,
Franklin, and Providence
326 PM EDT Wed Aug 10 2022 /226 PM CDT Wed Aug 10 2022/

This hazardous weather outlook is for portions of south central
Indiana and Central Kentucky.

.DAY ONE...This afternoon and Tonight.

Thunderstorms will continue to be possible, with the main threat
being heavy rainfall and lightning. Excessive rainfall could result
in flash flooding in localized areas.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report instances of flooding or heavy
rainfall to the National Weather Service in Louisville.

GENERAL STORM MOTION OF THE DAY:

Storms today will move from west to east at around 10 mph.

Any users of this storm motion must be aware that thunderstorm activity
can be erratic and constantly evolving.  Please use this with caution
and be prepared for changing conditions.

&&

More information, along with other weather, hydrological and
climate information can be found, at weather.gov/louisville.

BJS

In the hours before

Local storm report, Aug 10, 2:07 PM EDT, 4 hours 23 minutes before

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Special weather statement, Aug 10, 2:43 PM EDT, 3 hours 47 minutes before

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Local storm report, Aug 10, 3:35 PM EDT, 2 hours 55 minutes before

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Special weather statement, Aug 10, 4:17 PM EDT, 2 hours 13 minutes before

Special Weather Statement
National Weather Service Louisville KY
417 PM EDT Wed Aug 10 2022

KYZ046-054-055-102030-
Boyle KY-Marion KY-Washington KY-
417 PM EDT Wed Aug 10 2022

...Strong Thunderstorm Near Perryville Battlefield State Historic
Site...

At 416 PM EDT, Doppler radar was tracking a strong thunderstorm 11
miles west of Danville, moving east at 15 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Brumfield, Mitchellsburg, Parksville, Gravel Switch, Pottsville,
Aliceton, and Forkland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3755 8500 3755 8503 3754 8504 3766 8510
      3768 8487 3757 8486
TIME...MOT...LOC 2016Z 256DEG 14KT 3763 8499

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

13

Local storm report, Aug 10, 5:39 PM EDT, 51 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
539 PM EDT WED AUG 10 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0515 PM     FLOOD            ELLISBURG               37.47N 84.94W
08/10/2022                   CASEY              KY   PUBLIC

            WATER OVER LONG HOLLOW ROAD.

&&

13

Local storm report, Aug 10, 6:25 PM EDT, 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
625 PM EDT WED AUG 10 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0615 PM     FLOOD            LIBERTY                 37.32N 84.94W
08/10/2022                   CASEY              KY   PUBLIC

            DITCH OVERFLOWING INTO PARKING LOT ON
            MONTGOMERY STREET.

&&

13

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 8:09 PM EDT	Special Weather Statement	LMK	Bullitt	36 min
Aug 9, 8:10 PM EDT	Special Weather Statement	LMK	Washington	35 min
Aug 9, 8:25 PM EDT	Areal Flood Advisory	LMK	Franklin, Scott	3 hr
Aug 9, 8:46 PM EDT	Areal Flood Advisory	LMK	Oldham, Trimble	3 hr
Aug 9, 8:47 PM EDT	Special Weather Statement	LMK	Nicholas	28 min
Aug 9, 9:22 PM EDT	Special Weather Statement	LMK	Franklin, Shelby	23 min
Aug 9, 9:26 PM EDT	Special Weather Statement	LMK	Fayette, Scott, Woodford	34 min
Aug 9, 9:44 PM EDT	Special Weather Statement	LMK	Franklin, Scott	31 min
Aug 9, 9:47 PM EDT	Special Weather Statement	LMK	Bullitt	28 min
Aug 9, 11:55 PM EDT	Areal Flood Advisory	LMK	Breckinridge	3 hr
Aug 10, 12:42 PM EDT	Areal Flood Advisory	LMK	Jefferson, Shelby	13 min
Aug 10, 12:55 PM EDT	Flash Flood Warning	LMK	Jefferson, Shelby	3 hr
Aug 10, 1:13 PM EDT	Areal Flood Advisory	LMK	Franklin, Scott, Shelby	3 hr
Aug 10, 1:38 PM EDT	Flash Flood Warning	LMK	Franklin	3 hr
Aug 10, 2:43 PM EDT	Special Weather Statement	LMK	Madison	32 min
Aug 10, 4:17 PM EDT	Special Weather Statement	LMK	Boyle	13 min
Aug 10, 4:42 PM EDT	Areal Flood Advisory	LMK	Boyle, Casey, Marion	3 hr
Aug 10, 5:31 PM EDT	Areal Flood Advisory	LMK	Casey, Lincoln	3 hr
Aug 10, 5:50 PM EDT	Flash Flood Warning	LMK	Lincoln	3 hr
Aug 10, 6:10 PM EDT	Areal Flood Advisory	LMK	Casey, Marion, Taylor	3 hr
Aug 10, 6:13 PM EDT	Areal Flood Advisory	LMK	Grayson	3 hr
Aug 10, 6:15 PM EDT	Areal Flood Advisory	LMK	Warren	3 hr
Aug 10, 7:05 PM EDT	Areal Flood Advisory	LMK	Edmonson, Grayson, Hardin, Hart, Larue	3 hr
Aug 10, 7:11 PM EDT	Areal Flood Advisory	LMK	Butler, Logan	3 hr

Nearby

Flash Flood Warnings in Kentucky, 2022 Every flash flood warning in 2022

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.