Alert archive / Indiana / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 221, NWS Louisville, KY

September 24, 2024Floyd County, Harrison County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Sep 24, 2024, 1:08 PM EDT for Floyd County, Harrison County, Indiana. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 24, 2024, 1:08 PM EDT (17:08 UTC)
Expired
Sep 24, 2024, 1:45 PM EDT
In force
37 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Floyd County, IN, Harrison County, IN

The radar

The Louisville radar (KLVX), 32 km from the middle of the area, began a volume at 17:09 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 5.1 hours before the alert went out and 232 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-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2024-09-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 108 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2024-09-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
108 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
626 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
197 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Sep 24, 10:17 AM EDT, 2 hours 51 minutes earlier.

Area forecast discussion, Sep 24, 10:17 AM EDT, 2 hours 51 minutes before
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Hazardous weather outlook, Sep 24, 11:00 AM EDT, 2 hours 8 minutes before
Hazardous Weather Outlook
National Weather Service Louisville KY
1100 AM EDT Tue Sep 24 2024

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-251500-
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-
1100 AM EDT Tue Sep 24 2024 /1000 AM CDT Tue Sep 24 2024/

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

.DAY ONE...This afternoon and tonight.

Scattered thunderstorms are expected this afternoon into early
evening as a cold front approaches the region. Gusty, potentially
damaging winds are the primary severe threat, with marginally severe
hail (around an inch in diameter) being a secondary threat. A brief
tornado cannot be ruled out.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Monitor the latest forecasts as the remnants of a tropical system
could impact our area by late week into the weekend. Heavy rains and
gusty winds will be the main impacts Friday, with localized flooding
possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and evening.

GENERAL STORM MOTION OF THE DAY:

Storms will generally move towards the northeast around 30 to 40 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.

13

In the hours before

Special weather statement, Sep 24, 11:05 AM EDT, 2 hours 3 minutes before
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Special weather statement, Sep 24, 11:29 AM EDT, 1 hour 39 minutes before
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Special weather statement, Sep 24, 11:57 AM EDT, 1 hour 11 minutes before
Special Weather Statement
National Weather Service Louisville KY
1057 AM CDT Tue Sep 24 2024

KYZ027-061-062-241615-
Grayson KY-Edmonson KY-Butler KY-
1057 AM CDT Tue Sep 24 2024

...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN BUTLER...SOUTH
CENTRAL GRAYSON AND NORTHERN EDMONSON COUNTIES THROUGH 1115 AM CDT...

At 1056 AM CDT, Doppler radar was tracking a strong thunderstorm 12
miles northwest of Brownsville, moving east at 45 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...
Leitchfield, Lee, Windyville, Roundhill, Black Gold, Broadway,
Peonia, Sadler, Nash, and Sunfish.

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 3749 8623 3735 8615 3735 8616 3733 8616
      3731 8613 3725 8610 3718 8648 3734 8655
TIME...MOT...LOC 1556Z 248DEG 40KT 3730 8643

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

CSG
Special weather statement, Sep 24, 12:13 PM EDT, 55 minutes before
Special Weather Statement
National Weather Service Louisville KY
1213 PM EDT Tue Sep 24 2024

KYZ027-028-053-062-063-241645-
Hart KY-Grayson KY-Edmonson KY-Larue KY-Hardin KY-
1213 PM EDT Tue Sep 24 2024

...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN LARUE...NORTHERN
HART...SOUTHEASTERN GRAYSON...SOUTHEASTERN HARDIN AND NORTHEASTERN
EDMONSON COUNTIES THROUGH 1245 PM EDT/1145 AM CDT/...

At 1212 PM EDT/1112 AM CDT/, Doppler radar was tracking a strong
thunderstorm 9 miles southeast of Leitchfield, moving east northeast
at 45 mph.

HAZARD...Wind gusts up to 40 mph and pea size 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...
Elizabethtown, Hodgenville, Upton, Sonora, Bonnieville, Boundary Oak,
Rock Creek, Cub Run, Broad Ford, and Peonia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3724 8629 3743 8632 3769 8584 3758 8565
      3740 8567
TIME...MOT...LOC 1612Z 243DEG 41KT 3736 8621

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

RJS
Special weather statement, Sep 24, 12:37 PM EDT, 31 minutes before
Special Weather Statement
National Weather Service Louisville KY
1237 PM EDT Tue Sep 24 2024

KYZ028-045-053-054-063-241715-
Hart KY-Marion KY-Nelson KY-Larue KY-Hardin KY-
1237 PM EDT Tue Sep 24 2024

...STRONG THUNDERSTORMS WILL IMPACT SOUTHWESTERN NELSON...LARUE...
NORTHWESTERN MARION...NORTHEASTERN HART AND SOUTHEASTERN HARDIN
COUNTIES THROUGH 115 PM EDT/1215 PM CDT/...

At 1237 PM EDT/1137 AM CDT/, Doppler radar was tracking strong
thunderstorms along a line extending from 13 miles southwest of
Elizabethtown to 13 miles southwest of Hodgenville to 7 miles
northwest of Munfordville. Movement was east at 40 mph.

HAZARD...Wind gusts up to 50 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...
Elizabethtown, Hodgenville, New Haven, Loretto, Upton, Sonora,
Bonnieville, Raywick, Boundary Oak, and Dant.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3744 8598 3756 8606 3782 8559 3764 8539
      3749 8542 3747 8549 3748 8550 3746 8555
      3747 8558 3746 8561 3747 8563 3743 8566
      3733 8602
TIME...MOT...LOC 1637Z 248DEG 36KT 3754 8599 3746 8594 3737 8597

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH

RJS
Special weather statement, Sep 24, 12:54 PM EDT, 14 minutes before
Special Weather Statement
National Weather Service Louisville KY
1254 PM EDT Tue Sep 24 2024

INZ084-090-KYZ025-241730-
Crawford IN-Harrison IN-Meade KY-
1254 PM EDT Tue Sep 24 2024

...A STRONG THUNDERSTORM WILL IMPACT CENTRAL HARRISON...SOUTHEASTERN
CRAWFORD AND NORTH CENTRAL MEADE COUNTIES THROUGH 130 PM EDT...

At 1253 PM EDT, Doppler radar was tracking a strong thunderstorm near
Carefree Town, moving east at 25 mph.

HAZARD...Wind gusts up to 40 mph and pea size 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...
Corydon, Lanesville, Leavenworth, Crandall, New Middletown, Moberly,
Byrneville, White Cloud, Bradford, and Fairdale.

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 3834 8603 3833 8603 3820 8596 3819 8596
      3819 8595 3815 8593 3811 8634 3821 8640
      3839 8606
TIME...MOT...LOC 1653Z 247DEG 23KT 3817 8630

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

CSG

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 23, 8:01 PM EDTSpecial Weather StatementLMKMonroe29 min
Sep 24, 5:44 AM EDTSpecial Weather StatementLMKHarrison31 min
Sep 24, 6:01 AM EDTSpecial Weather StatementLMKEdmonson, Hart29 min
Sep 24, 6:30 AM EDTSpecial Weather StatementLMKHart30 min
Sep 24, 6:56 AM EDTSpecial Weather StatementLMKTaylor34 min
Sep 24, 7:36 AM EDTSpecial Weather StatementLMKMarion24 min
Sep 24, 11:05 AM EDTSpecial Weather StatementLMKButler25 min
Sep 24, 11:29 AM EDTSpecial Weather StatementLMKButler31 min
Sep 24, 11:57 AM EDTSpecial Weather StatementLMKGrayson18 min
Sep 24, 12:13 PM EDTSpecial Weather StatementLMKLarue32 min
Sep 24, 12:37 PM EDTSpecial Weather StatementLMKLarue38 min
Sep 24, 12:52 PM EDTSevere Thunderstorm WarningLMKLarue, Marion, Nelson, Washington38 min
Sep 24, 1:25 PM EDTSevere Thunderstorm WarningLMKBoyle, Marion, Mercer, Washington35 min
Sep 24, 1:26 PM EDTSevere Thunderstorm WarningLMKJefferson, Oldham34 min
Sep 24, 1:40 PM EDTSevere Thunderstorm WarningLMKJefferson35 min
Sep 24, 1:52 PM EDTTornado WarningLMKJefferson, Oldham23 min
Sep 24, 1:53 PM EDTSevere Thunderstorm WarningLMKHenry, Jefferson, Oldham, Trimble37 min
Sep 24, 1:59 PM EDTSpecial Weather StatementLMKFayette, Jessamine31 min
Sep 24, 2:03 PM EDTSpecial Weather StatementLMKAllen, Simpson42 min
Sep 24, 2:07 PM EDTTornado WarningLMKHenry, Oldham, Trimble23 min
Sep 24, 2:11 PM EDTSpecial Weather StatementLMKJefferson34 min
Sep 24, 2:19 PM EDTSevere Thunderstorm WarningLMKGreen, Marion, Taylor26 min
Sep 24, 2:21 PM EDTSevere Thunderstorm WarningLMKHenry, Oldham, Trimble24 min
Sep 24, 2:26 PM EDTSpecial Weather StatementLMKFayette34 min
Sep 24, 2:37 PM EDTSpecial Weather StatementLMKAllen, Barren38 min
Sep 24, 2:47 PM EDTSpecial Weather StatementLMKTaylor28 min
Sep 24, 2:54 PM EDTSevere Thunderstorm WarningLMKAllen, Barren36 min
Sep 24, 2:55 PM EDTSpecial Weather StatementLMKJefferson35 min
Sep 24, 3:04 PM EDTSevere Thunderstorm WarningLMKHardin, Hart, Larue26 min
Sep 24, 3:07 PM EDTSpecial Weather StatementLMKCasey23 min
Sep 24, 3:27 PM EDTSevere Thunderstorm WarningLMKAdair, Metcalfe33 min
Sep 24, 3:28 PM EDTSpecial Weather StatementLMKCasey32 min
Sep 24, 3:29 PM EDTSevere Thunderstorm WarningLMKLarue, Nelson17 min
Sep 24, 3:50 PM EDTSevere Thunderstorm WarningLMKGarrard, Lincoln25 min
Sep 24, 3:54 PM EDTSpecial Weather StatementLMKSpencer36 min
Sep 24, 3:56 PM EDTSevere Thunderstorm WarningLMKAdair, Casey, Russell34 min
Sep 24, 4:00 PM EDTSpecial Weather StatementLMKFranklin30 min
Sep 24, 4:08 PM EDTSevere Thunderstorm WarningLMKMonroe37 min
Sep 24, 4:11 PM EDTSpecial Weather StatementLMKFranklin34 min
Sep 24, 4:13 PM EDTSevere Thunderstorm WarningLMKGarrard, Lincoln, Madison32 min
Sep 24, 4:14 PM EDTSevere Thunderstorm WarningLMKAnderson, Shelby, Spencer31 min
Sep 24, 4:16 PM EDTSevere Thunderstorm WarningLMKFranklin, Henry16 min
Sep 24, 4:27 PM EDTSevere Thunderstorm WarningLMKCasey, Lincoln, Russell33 min
Sep 24, 4:30 PM EDTSpecial Weather StatementLMKRussell30 min
Sep 24, 4:32 PM EDTSpecial Weather StatementLMKNelson28 min
Sep 24, 4:39 PM EDTSpecial Weather StatementLMKMadison36 min
Sep 24, 4:40 PM EDTSevere Thunderstorm WarningLMKCumberland, Monroe35 min
Sep 24, 4:42 PM EDTSevere Thunderstorm WarningLMKHarrison, Scott33 min
Sep 24, 4:43 PM EDTSpecial Weather StatementLMKShelby32 min
Sep 24, 4:47 PM EDTSevere Thunderstorm WarningLMKCasey, Lincoln28 min
Sep 24, 5:03 PM EDTSevere Thunderstorm WarningLMKHarrison, Scott27 min
Sep 24, 5:04 PM EDTSpecial Weather StatementLMKFranklin26 min
Sep 24, 5:09 PM EDTSevere Thunderstorm WarningLMKClinton, Cumberland, Russell19 min
Sep 24, 5:14 PM EDTTornado WarningLMKClinton, Russell13 min
Sep 24, 5:34 PM EDTSpecial Weather StatementLMKJefferson26 min
Sep 24, 5:37 PM EDTSpecial Weather StatementLMKScott23 min
Sep 24, 6:06 PM EDTSpecial Weather StatementLMKNicholas24 min
Sep 24, 6:27 PM EDTSpecial Weather StatementLMKTrimble18 min
Sep 24, 12:54 PM EDTSpecial Weather StatementLMKHarrison36 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2024Every severe thunderstorm 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.