Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Louisville, KY

December 5, 2021Green County, Kentucky

NWS Louisville, KY issued this special weather statement at Dec 5, 2021, 7:57 PM CST for Green County, Kentucky. It was in force for 33 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: Dec 5, 2021, 7:57 PM CST (01:57 UTC)
Expired: Dec 5, 2021, 8:30 PM CST
In force: 33 min
Issued by: NWS Louisville, KY
Hail: 0.00 in
Wind: 40

County Green County, KY

The radar

The Louisville radar (KLVX), 78 km from the middle of the area, began a volume at 01:59 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 00:00Z, 2.0 hours before the alert went out and 155 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: 666 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 658 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 346 m²/s²
0-3 km storm-relative helicity: 484 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 5.4

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 Dec 5, 5:14 PM CST, 2 hours 43 minutes earlier.

Area forecast discussion, Dec 5, 5:14 PM CST, 2 hours 43 minutes before

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Hazardous weather outlook, Dec 5, 2:35 PM CST, 5 hours 22 minutes before

Hazardous Weather Outlook
National Weather Service Louisville KY
335 PM EST Sun Dec 5 2021

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-062045-
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
335 PM EST Sun Dec 5 2021 /235 PM CST Sun Dec 5 2021/

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

.DAY ONE...Tonight.

Widespread showers and storms are expected tonight ahead of a cold
front. Some of the storms could become strong to severe with
localized damaging winds being the main threat. Brief tornadoes can
also not be ruled out. The main severe weather risk is between
Midnight and 7 AM EST Monday. Outside of showers and storms, gusty
winds between 30 and 40 mph will be possible at times this evening.

Overall, 1 to 2 inches of rain is expected through Monday morning
with a few localized amounts over 2 inches possible. While flooding
is not a major concern, a few nuisance water issues could arise.

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

There is potential for minor snow accumulation late Tuesday night
into Wednesday morning. Confidence remains low in amounts and
potential impact.

.SPOTTER INFORMATION STATEMENT...

Spotters may be needed to report instances of heavy rain or gusty
winds overnight into Monday.

EBW/13

In the hours before

Special weather statement, Dec 5, 6:42 PM CST, 1 hour 15 minutes before

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Special weather statement, Dec 5, 6:45 PM CST, 1 hour 12 minutes before

Special Weather Statement
National Weather Service Louisville KY
645 PM CST Sun Dec 5 2021

KYZ061-062-071-060100-
Warren KY-Edmonson KY-Butler KY-
645 PM CST Sun Dec 5 2021

...A strong thunderstorm will impact portions of eastern Butler,
northeastern Warren and Edmonson Counties through 700 PM CST...

At 645 PM CST, Doppler radar was tracking a strong thunderstorm near
Plum Springs, moving east at 50 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

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

This strong thunderstorm will be near...
  Brownsville around 655 PM CST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm 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 3716 8649 3730 8612 3722 8605 3706 8607
      3706 8611 3705 8612 3699 8641
TIME...MOT...LOC 0045Z 250DEG 43KT 3711 8637

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

RAS

Special weather statement, Dec 5, 7:16 PM CST, 41 minutes before

Special Weather Statement
National Weather Service Louisville KY
716 PM CST Sun Dec 5 2021

KYZ062-063-074-060145-
Hart KY-Edmonson KY-Barren KY-
716 PM CST Sun Dec 5 2021

...A strong thunderstorm will impact portions of Edmonson, Hart, and
northern Barren Counties through 745 PM CST...

At 715 PM CST, Doppler radar was tracking a strong thunderstorm 7
miles east of Brownsville, moving northeast at 40 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...
  Munfordville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3720 8627 3738 8589 3717 8577 3715 8589
      3711 8606 3709 8619
TIME...MOT...LOC 0115Z 246DEG 33KT 3716 8614

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

RAS

Special weather statement, Dec 5, 7:57 PM CST, 0 minutes before

Special Weather Statement
National Weather Service Louisville KY
857 PM EST Sun Dec 5 2021

KYZ053-063>065-060230-
Hart KY-Taylor KY-Larue KY-Green KY-
857 PM EST Sun Dec 5 2021

...A strong thunderstorm will impact portions of Green, southeastern
Larue, eastern Hart and northwestern Taylor Counties through 930 PM
EST/830 PM CST/...

At 856 PM EST/756 PM CST/, Doppler radar was tracking a strong
thunderstorm 8 miles east of Munfordville, moving northeast at 35
mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm 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 3719 8578 3735 8587 3754 8553 3728 8537
TIME...MOT...LOC 0156Z 247DEG 31KT 3730 8574

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

RAS

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 5, 6:42 PM CST	Special Weather Statement	LMK	Barren	18 min
Dec 5, 6:45 PM CST	Special Weather Statement	LMK	Edmonson	15 min
Dec 5, 7:16 PM CST	Special Weather Statement	LMK	Hart	29 min
Dec 5, 8:30 PM CST	Special Weather Statement	LMK	Green, Taylor	30 min
Dec 5, 9:26 PM CST	Special Weather Statement	LMK	Butler, Grayson	34 min
Dec 5, 10:06 PM CST	Special Weather Statement	LMK	Edmonson, Grayson, Hart, Larue	54 min
Dec 6, 12:04 AM CST	Severe Thunderstorm Warning	LMK	Boyle, Marion	26 min
Dec 6, 12:36 AM CST	Severe Thunderstorm Warning	LMK	Boyle, Garrard	24 min
Dec 6, 1:02 AM CST	Special Weather Statement	LMK	Hancock	28 min
Dec 6, 2:30 AM CST	Special Weather Statement	LMK	Henry, Shelby	30 min
Dec 6, 3:18 AM CST	Special Weather Statement	LMK	Fayette, Scott, Woodford	27 min
Dec 6, 3:27 AM CST	Special Weather Statement	LMK	Hart, Larue	33 min
Dec 6, 3:48 AM CST	Special Weather Statement	LMK	Bourbon, Clark, Fayette, Nicholas	42 min
Dec 6, 3:59 AM CST	Special Weather Statement	LMK	Marion	31 min
Dec 6, 4:13 AM CST	Special Weather Statement	LMK	Jessamine, Mercer	32 min
Dec 6, 4:43 AM CST	Tornado Warning	LMK	Logan	17 min
Dec 6, 4:47 AM CST	Tornado Warning	LMK	Logan	28 min
Dec 6, 5:04 AM CST	Special Weather Statement	LMK	Simpson	26 min
Dec 6, 5:15 AM CST	Special Weather Statement	LMK	Warren	30 min
Dec 6, 6:21 AM CST	Special Weather Statement	LMK	Cumberland	24 min
Dec 6, 6:23 AM CST	Special Weather Statement	LMK	Clinton	37 min
Dec 6, 6:46 AM CST	Special Weather Statement	LMK	Clinton	14 min
Dec 6, 7:42 AM CST	Areal Flood Advisory	LMK	Taylor	3 hr
Dec 6, 9:36 AM CST	Areal Flood Advisory	LMK	Boyle, Garrard, Marion	3 hr
Dec 6, 10:54 AM CST	River Flood Warning	LMK	Bourbon	23 hr
Dec 6, 12:11 PM CST	River Flood Advisory	LMK	Franklin	32 hr

Nearby

Special Weather Statements in Kentucky, 2021 Every 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.