Alert archive / Kentucky / Flash Flood Warnings in 2024

Flash Flood Warning 16, NWS Louisville, KY

July 22, 2024Barren County, Kentucky

NWS Louisville, KY issued this flash flood warning at Jul 22, 2024, 12:17 AM CDT for Barren County, Kentucky. It was in force for 4 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: Jul 22, 2024, 12:17 AM CDT (05:17 UTC)
Expired: Jul 22, 2024, 4:21 AM CDT
In force: 4 hr
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Flood severity: None

County Barren County, KY

The radar

The Nashville radar (KOHX), 98 km from the middle of the area, began a volume at 05:17 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 5.3 hours before the alert went out and 421 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: 12 J/kg
Mixed-layer CIN: -176 J/kg
Mixed-layer LCL: 1213 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 18 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 Jul 21, 7:44 PM CDT, 4 hours 33 minutes earlier.

Area forecast discussion, Jul 21, 7:44 PM CDT, 4 hours 33 minutes before

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Hazardous weather outlook, Jul 21, 2:22 PM CDT, 9 hours 55 minutes before

Hazardous Weather Outlook
National Weather Service Louisville KY
322 PM EDT Sun Jul 21 2024

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-221930-
Orange-Washington IN-Scott IN-Jefferson IN-Dubois-Crawford-Perry-
Harrison IN-Floyd-Clark IN-Hancock-Breckinridge-Meade-Ohio-Grayson-
Hardin-Bullitt-Jefferson-Oldham-Trimble-Henry-Shelby-Franklin-
Scott KY-Harrison KY-Spencer-Anderson-Woodford-Fayette-Bourbon-
Nicholas-Nelson-Washington KY-Mercer-Jessamine-Clark KY-Larue-Marion-
Boyle-Garrard-Madison-Butler-Edmonson-Hart-Green-Taylor-Casey-
Lincoln-Logan-Warren-Simpson-Allen-Barren-Monroe-Metcalfe-Adair-
Russell-Cumberland-Clinton-
322 PM EDT Sun Jul 21 2024 /222 PM CDT Sun Jul 21 2024/

This Hazardous Weather Outlook is for portions of southern Indiana
and central Kentucky.

.DAY ONE...Tonight.

Potential for isolated to scattered showers and thunderstorms exist
into tonight, with another round possible early Monday morning. Heavy
rain and lightning are the main threats.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Multiple rounds of thunderstorms through the week could lead to high
rainfall totals in localized spots.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

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.

In the hours before

Special weather statement, Jul 21, 8:41 PM CDT, 3 hours 36 minutes before

Special Weather Statement
National Weather Service Louisville KY
841 PM CDT Sun Jul 21 2024

KYZ027-220215-
Grayson KY-
841 PM CDT Sun Jul 21 2024

...A STRONG THUNDERSTORM WILL IMPACT SOUTH CENTRAL GRAYSON COUNTY
THROUGH 915 PM CDT...

At 841 PM CDT, Doppler radar was tracking a strong thunderstorm 8
miles south of Leitchfield, moving east at 5 mph.

HAZARD...Wind gusts up to 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Huffman, Anneta, Johnson Crossroads, Conoloway, Moutardier, and
Ponderosa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

&&

LAT...LON 3740 8630 3740 8617 3734 8618 3734 8619
      3733 8619 3733 8634
TIME...MOT...LOC 0141Z 282DEG 5KT 3736 8625

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

Mckemy

Special weather statement, Jul 21, 11:48 PM CDT, 29 minutes before

Special Weather Statement
National Weather Service Louisville KY
1148 PM CDT Sun Jul 21 2024

KYZ063-074-076-220515-
Hart KY-Metcalfe KY-Barren KY-
1148 PM CDT Sun Jul 21 2024

...A STRONG THUNDERSTORM WILL IMPACT SOUTH CENTRAL HART...
NORTHEASTERN BARREN AND NORTHWESTERN METCALFE COUNTIES THROUGH 1215
AM CDT...

At 1148 PM CDT, Doppler radar was tracking a strong thunderstorm over
Glasgow, moving northeast at 15 mph.

HAZARD...Wind gusts up to 40 mph.

SOURCE...Radar indicated.

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

Locations impacted include...
Glasgow, Horse Cave, Cave City, Oil City, Bristletown, Coral Hill,
Griderville, Pritchardsville, Lecta, and Glasgow Municipal Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3688 8590 3695 8608 3718 8598 3711 8569
TIME...MOT...LOC 0448Z 202DEG 13KT 3701 8594

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

Graham

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 8:41 PM CDT	Special Weather Statement	LMK	Grayson	34 min
Jul 21, 11:48 PM CDT	Special Weather Statement	LMK	Barren	27 min
Jul 22, 12:06 AM CDT	Areal Flood Advisory	LMK	Barren	3 hr
Jul 22, 12:35 AM CDT	Areal Flood Advisory	LMK	Barren, Metcalfe	3 hr
Jul 22, 12:45 AM CDT	Special Weather Statement	LMK	Metcalfe	30 min
Jul 22, 1:02 AM CDT	Areal Flood Advisory	LMK	Simpson	3 hr
Jul 22, 1:04 AM CDT	Special Weather Statement	LMK	Adair	26 min
Jul 22, 1:29 AM CDT	Flash Flood Warning	LMK	Barren, Metcalfe	3 hr
Jul 22, 1:32 AM CDT	Areal Flood Advisory	LMK	Adair	3 hr
Jul 22, 1:34 AM CDT	Special Weather Statement	LMK	Green	26 min
Jul 22, 1:47 AM CDT	Areal Flood Advisory	LMK	Adair, Green	3 hr
Jul 22, 2:06 AM CDT	Flash Flood Warning	LMK	Adair, Green	3 hr
Jul 22, 2:20 AM CDT	Areal Flood Advisory	LMK	Green, Marion, Taylor	3 hr
Jul 22, 2:46 AM CDT	Special Weather Statement	LMK	Casey	29 min
Jul 22, 2:59 AM CDT	Areal Flood Advisory	LMK	Cumberland	3 hr
Jul 22, 4:55 AM CDT	Areal Flood Advisory	LMK	Madison	3 hr
Jul 22, 4:15 PM CDT	Special Weather Statement	LMK	Bullitt	30 min
Jul 22, 4:53 PM CDT	Areal Flood Advisory	LMK	Meade	112 min
Jul 22, 4:56 PM CDT	Areal Flood Advisory	LMK	Breckinridge, Grayson, Ohio	2 hr
Jul 22, 5:09 PM CDT	Areal Flood Advisory	LMK	Breckinridge	11 min
Jul 22, 5:13 PM CDT	Areal Flood Advisory	LMK	Jefferson	20 min
Jul 22, 5:17 PM CDT	Flash Flood Warning	LMK	Breckinridge	3 hr
Jul 22, 5:31 PM CDT	Flash Flood Warning	LMK	Jefferson	89 min
Jul 22, 5:41 PM CDT	Special Weather Statement	LMK	Oldham	34 min
Jul 22, 6:33 PM CDT	Areal Flood Advisory	LMK	Monroe	3 hr

Nearby

Flash Flood Warnings in Kentucky, 2024 Every flash flood warning in 2024

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.