Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Louisville, KY

July 16, 2021Clinton County, Kentucky

NWS Louisville, KY issued this special weather statement at Jul 16, 2021, 7:16 PM CDT for Clinton County, Kentucky. It was in force for 44 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
Jul 16, 2021, 7:16 PM CDT (00:16 UTC)
Expired
Jul 16, 2021, 8:00 PM CDT
In force
44 min
Issued by
NWS Louisville, KY

County Clinton County, KY

The radar

The Nashville radar (KOHX), 146 km from the middle of the area, began a volume at 00:17 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.3 hours before the alert went out and 318 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 00:00Z on 2021-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 163 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 00:00Z on 2021-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 square meters per square second.1939Sfc1 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
163 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
1176 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 16, 6:36 PM CDT, 40 minutes earlier.

Area forecast discussion, Jul 16, 6:36 PM CDT, 40 minutes before
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Hazardous weather outlook, Jul 16, 2:22 PM CDT, 4 hours 54 minutes before
Hazardous Weather Outlook
National Weather Service Louisville KY
322 PM EDT Fri Jul 16 2021

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-171930-
Orange-Washington-Scott-Jefferson-Dubois-Crawford-Perry-Harrison-
Floyd-Clark-Hancock-Breckinridge-Meade-Ohio-Grayson-Hardin-Bullitt-
Oldham-Trimble-Henry-Shelby-Franklin-Spencer-Anderson-Woodford-
Fayette-Bourbon-Nicholas-Nelson-Mercer-Jessamine-Larue-Marion-Boyle-
Garrard-Madison-Butler-Edmonson-Hart-Green-Taylor-Casey-Lincoln-
Logan-Warren-Simpson-Allen-Barren-Monroe-Metcalfe-Adair-Russell-
Cumberland-Clinton-
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, New Castle, Shelbyville, Frankfort, Georgetown, Cynthiana,
Taylorsville, Lawrenceburg, Versailles, Lexington, Paris, Carlisle,
Bardstown, Springfield, Harrodsburg, Nicholasville, Winchester,
Hodgenville, Lebanon, Danville, Lancaster, Richmond, Morgantown,
Brownsville, Horse Cave, Greensburg, Campbellsville, Liberty,
Stanford, Russellville, Bowling Green, Franklin, Providence,
Scottsville, Glasgow, Tompkinsville, Edmonton, Columbia, Jamestown,
Burkesville, and Albany
322 PM EDT Fri Jul 16 2021 /222 PM CDT Fri Jul 16 2021/

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

.DAY ONE...Tonight.

Scattered to numerous showers and storms are expected through
tonight. A few stronger storms will produce gusty or locally damaging
winds, and heavy rainfall could lead to localized flooding.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Scattered thunderstorms are possible throughout the area Saturday,
and in southern Kentucky on Sunday. The main hazard will be heavy
rainfall and localized flooding, and locally gusty winds are possible
in the stronger storms.

.SPOTTER INFORMATION STATEMENT...

Spotters are invited to submit reports to the National Weather
Service.

&&

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

RAS/CJP

In the hours before

Special weather statement, Jul 16, 3:52 PM CDT, 3 hours 24 minutes before
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Local storm report, Jul 16, 4:38 PM CDT, 2 hours 38 minutes before
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Special weather statement, Jul 16, 4:50 PM CDT, 2 hours 26 minutes before
Special Weather Statement
National Weather Service Louisville KY
550 PM EDT Fri Jul 16 2021

KYZ029-030-038-045-162230-
Jefferson-Bullitt-Spencer-Nelson-
550 PM EDT Fri Jul 16 2021

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN SPENCER...
NORTHWESTERN NELSON...SOUTHEASTERN JEFFERSON AND CENTRAL BULLITT
COUNTIES...

At 549 PM EDT, a strong thunderstorm was located near Shepherdsville,
moving northeast at 30 mph.

Winds in excess of 40 mph are possible with this storm.

Locations impacted include...
Jeffersontown, Shepherdsville, Taylorsville, Fern Creek, Minor Lane
Heights, Mount Washington, Lebanon Junction, Hebron Estates,
Highgrove and Waterford.

Torrential rainfall is also occurring with this storm, and may cause
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.

To report severe weather, contact your nearest law enforcement
agency. They can relay your report to the National Weather Service
office in Louisville.

LAT...LON 3782 8570 3787 8579 3820 8557 3802 8531
TIME...MOT...LOC 2149Z 222DEG 24KT 3789 8570

MJ
Special weather statement, Jul 16, 5:15 PM CDT, 2 hours 1 minute before
Special Weather Statement
National Weather Service Louisville KY
615 PM EDT Fri Jul 16 2021

KYZ048-055>057-066-067-162300-
Boyle-Jessamine-Lincoln-Madison-Garrard-Casey-
615 PM EDT Fri Jul 16 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT LINCOLN...GARRARD...
SOUTHEASTERN JESSAMINE...CENTRAL BOYLE...NORTHWESTERN MADISON AND
EASTERN CASEY COUNTIES...

At 615 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Danville to 6 miles southeast of
Liberty. Movement was northeast at 30 mph.

Winds in excess of 40 to 45 mph are possible with these storms.

Locations impacted include...
Danville, Stanford, Lancaster, Mccreary, Junction City, Crab Orchard,
Hustonville, Boneyville, Caldwell Manor and Lawhorn Hill.

Torrential rainfall is also occurring with these storms, and may
cause 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.

To report severe weather, contact your nearest law enforcement
agency. They can relay your report to the National Weather Service
office in Louisville.

LAT...LON 3748 8445 3733 8450 3735 8456 3719 8478
      3717 8490 3764 8490 3772 8473 3773 8473
      3772 8470 3773 8471 3788 8444 3785 8443
      3787 8441 3748 8441
TIME...MOT...LOC 2215Z 245DEG 27KT 3760 8484 3727 8484

MJ
Local storm report, Jul 16, 5:31 PM CDT, 1 hour 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
631 PM EDT FRI JUL 16 2021

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

0500 PM     FLASH FLOOD      2 N SAINT MARY          37.61N 85.35W
07/16/2021                   MARION             KY   911 CALL CENTER

            HWY 49 NEAR ARTHUR MATTINGLY ROAD WAS
            IMPASSABLE FOR A TIME DUE TO WATER OVER THE
            ROADWAY (AND HAS SINCE REOPENED).

&&

JML
Special weather statement, Jul 16, 7:16 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Louisville KY
716 PM CDT Fri Jul 16 2021

KYZ078-082-170100-
Russell-Clinton-
716 PM CDT Fri Jul 16 2021

...A STRONG THUNDERSTORM WILL AFFECT CLINTON AND SOUTH CENTRAL
RUSSELL COUNTIES...

At 715 PM CDT, a strong thunderstorm was located near Byrdstown,
moving northeast at 30 mph.

Winds in excess of 30 mph are possible with this storm.

Locations impacted include...
Albany, Cartwright, Snow, Cumberland City, Savage, Ida, Marlow,
Rolan, Seventy Six and Browns Crossroads.

Torrential rainfall is also occurring with this storm, and may cause
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 3663 8527 3697 8507 3691 8496 3686 8506
      3683 8506 3681 8503 3677 8501 3670 8502
      3668 8500 3667 8501 3666 8500 3663 8500
      3662 8498
TIME...MOT...LOC 0015Z 211DEG 27KT 3663 8514

MJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 7:17 PM CDTSpecial Weather StatementLMKBarren43 min
Jul 16, 8:32 PM CDTSpecial Weather StatementLMKJefferson, Oldham, Trimble58 min
Jul 16, 9:20 PM CDTFlash Flood WarningLMKTrimble3 hr
Jul 16, 9:21 PM CDTAreal Flood AdvisoryLMKJefferson, Oldham3 hr
Jul 16, 9:23 PM CDTSpecial Weather StatementLMKAnderson, Washington, Woodford52 min
Jul 16, 9:24 PM CDTSpecial Weather StatementLMKJefferson51 min
Jul 16, 10:49 PM CDTSpecial Weather StatementLMKHenry26 min
Jul 16, 11:51 PM CDTAreal Flood AdvisoryLMKHenry70 min
Jul 17, 5:37 PM CDTAreal Flood AdvisoryLMKAllen, Barren113 min
Jul 16, 9:26 PM CDTSpecial Weather StatementLMKJefferson34 min
Jul 16, 9:35 PM CDTAreal Flood AdvisoryLMKCrawford, Dubois, Harrison, Orange, Perry, Washington3 hr
Jul 17, 2:21 AM CDTRiver Flood AdvisoryLMKJefferson, Scott4 hr
Jul 17, 6:20 AM CDTRiver Flood WarningLMKJefferson, Scott7 hr

Nearby

Special Weather Statements in Kentucky, 2021Every special weather statement 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.