Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Louisville, KY

December 10, 2021Breckinridge County, Kentucky

NWS Louisville, KY issued this special weather statement at Dec 10, 2021, 8:04 PM CST for Breckinridge County, Kentucky. It was in force for 56 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 10, 2021, 8:04 PM CST (02:04 UTC)
Expired: Dec 10, 2021, 9:00 PM CST
In force: 56 min
Issued by: NWS Louisville, KY
Hail: 0.00 in
Wind: 40

County Breckinridge County, KY

The radar

The Louisville radar (KLVX), 61 km from the middle of the area, began a volume at 02:08 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, 2.1 hours before the alert went out and 169 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: 182 J/kg
Mixed-layer CIN: -168 J/kg
Mixed-layer LCL: 593 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 391 m²/s²
0-3 km storm-relative helicity: 370 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

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 10, 6:50 PM CST, 1 hour 14 minutes earlier.

Area forecast discussion, Dec 10, 6:50 PM CST, 1 hour 14 minutes before

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Hazardous weather outlook, Dec 10, 6:41 PM CST, 1 hour 23 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service Louisville KY
741 PM EST Fri Dec 10 2021

KYZ036-037-040>043-047>049-055>057-066-067-077-078-081-082-120045-
Scott-Harrison-Woodford-Fayette-Bourbon-Nicholas-Mercer-Jessamine-
Clark-Boyle-Garrard-Madison-Casey-Lincoln-Adair-Russell-Cumberland-
Clinton-
Including the cities of Georgetown, Cynthiana, Versailles,
Lexington, Paris, Carlisle, Harrodsburg, Nicholasville, Winchester,
Danville, Lancaster, Richmond, Liberty, Stanford, Columbia,
Jamestown, Burkesville, and Albany
741 PM EST Fri Dec 10 2021 /641 PM CST Fri Dec 10 2021/

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

.DAY ONE...Tonight.

Evening and overnight storms may produce damaging winds and isolated
tornadoes as a cold front approaches and moves through the region
late tonight into early Saturday morning. Intense rainfall rates may
lead to localized flooding concerns.

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

Behind the front Saturday morning non-thunderstorm winds may gust to
40 mph.

.SPOTTER INFORMATION STATEMENT...

Spotters will be needed tonight into Saturday morning.

INZ076>079-083-084-089>092-KYZ023>035-038-039-045-046-053-054-
061>065-070>076-120045-
Orange-Washington-Scott-Jefferson-Dubois-Crawford-Perry-Harrison-
Floyd-Clark-Hancock-Breckinridge-Meade-Ohio-Grayson-Hardin-Bullitt-
Oldham-Trimble-Henry-Shelby-Franklin-Spencer-Anderson-Nelson-Larue-
Marion-Butler-Edmonson-Hart-Green-Taylor-Logan-Warren-Simpson-Allen-
Barren-Monroe-Metcalfe-
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, Taylorsville,
Lawrenceburg, Bardstown, Springfield, Hodgenville, Lebanon,
Morgantown, Brownsville, Horse Cave, Greensburg, Campbellsville,
Russellville, Bowling Green, Franklin, Providence, Scottsville,
Glasgow, Tompkinsville, and Edmonton
741 PM EST Fri Dec 10 2021 /641 PM CST Fri Dec 10 2021/

...TORNADO WATCH 554 IN EFFECT UNTIL 3 AM EST /2 AM CST/ SATURDAY...

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

.DAY ONE...Tonight.

Evening and overnight storms may produce damaging winds and isolated
tornadoes as a cold front approaches and moves through the region
late tonight into early Saturday morning. Intense rainfall rates may
lead to localized flooding concerns.

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

Behind the front Saturday morning non-thunderstorm winds may gust to
40 mph.

.SPOTTER INFORMATION STATEMENT...

Spotters will be needed tonight into Saturday morning.

BJS

In the hours before

Special weather statement, Dec 10, 7:20 PM CST, 44 minutes before

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Special weather statement, Dec 10, 8:04 PM CST, 0 minutes before

Special Weather Statement
National Weather Service Louisville KY
804 PM CST Fri Dec 10 2021

KYZ023-024-110300-
Hancock KY-Breckinridge KY-
804 PM CST Fri Dec 10 2021

...Increasing severe weather threat in the thirty to sixty minutes...

At 801 PM CST, Doppler radar was tracking a tornado warned
thunderstorm with strong low level rotation over Ohio County,
Kentucky. If this storm holds together, it will arrive to portions
of Hancock and Breckinridge counties within the next thirty to sixty
minutes. Be prepared for severe thunderstorm or tornado warnings to
be issued within this timeframe.

Locations impacted include...
  Hardinsburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Tornado Watch remains in effect until 200 AM CST for central
Kentucky.

&&

LAT...LON 3793 8638 3771 8620 3769 8622 3759 8647
      3759 8648 3760 8647 3761 8648 3760 8651
      3762 8649 3762 8653 3760 8654 3760 8652
      3759 8654 3760 8658 3758 8657 3757 8660
      3762 8664 3766 8664 3772 8677
TIME...MOT...LOC 0201Z 242DEG 35KT 3751 8693

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

DM

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 10, 7:20 PM CST	Special Weather Statement	LMK	Ohio	55 min
Dec 10, 7:48 PM CST	Tornado Warning	LMK	Ohio	57 min
Dec 10, 8:24 PM CST	Severe Thunderstorm Warning	LMK	Breckinridge, Hancock	36 min
Dec 10, 8:32 PM CST	Tornado Warning	LMK	Ohio	30 min
Dec 10, 9:21 PM CST	Tornado Warning	LMK	Ohio	39 min
Dec 10, 9:29 PM CST	Special Weather Statement	LMK	Breckinridge	31 min
Dec 10, 9:37 PM CST	Tornado Warning	LMK	Breckinridge, Hardin, Meade	17 min
Dec 10, 10:42 PM CST	Tornado Warning Tornado observedConsiderable damage threat	LMK	Ohio	63 min
Dec 10, 11:07 PM CST	Tornado Warning Tornado observedConsiderable damage threat	LMK	Breckinridge, Grayson, Hancock	53 min
Dec 10, 11:51 PM CST	Tornado Warning Tornado observedConsiderable damage threat	LMK	Breckinridge, Hardin, Meade	39 min
Dec 11, 12:29 AM CST	Special Weather Statement	LMK	Spencer	16 min
Dec 11, 12:30 AM CST	Special Weather Statement	LMK	Bullitt	15 min
Dec 11, 12:33 AM CST	Special Weather Statement	LMK	Henry, Jefferson, Oldham, Shelby, Trimble	27 min
Dec 11, 12:36 AM CST	Tornado Warning Tornado observed	LMK	Logan, Simpson	39 min
Dec 11, 12:41 AM CST	Severe Thunderstorm Warning	LMK	Bullitt, Nelson, Spencer	34 min
Dec 11, 12:44 AM CST	Tornado Warning	LMK	Bullitt, Nelson, Shelby, Spencer	46 min
Dec 11, 12:58 AM CST	Tornado Warning Tornado observed	LMK	Butler, Edmonson, Logan, Simpson, Warren	47 min
Dec 11, 1:27 AM CST	Tornado Warning Tornado observed	LMK	Barren, Butler, Edmonson, Hart, Metcalfe, Warren	48 min
Dec 11, 1:28 AM CST	Tornado Warning	LMK	Franklin, Scott	20 min
Dec 11, 1:45 AM CST	Special Weather Statement	LMK	Bullitt, Hardin, Larue, Nelson, Spencer	30 min
Dec 11, 1:55 AM CST	Tornado Warning	LMK	Barren, Green, Hart, Larue, Marion, Metcalfe and 1 more	50 min
Dec 11, 2:08 AM CST	Areal Flood Advisory	LMK	Breckinridge, Bullitt, Hardin, Jefferson, Meade	115 min
Dec 11, 2:16 AM CST	Severe Thunderstorm Warning	LMK	Anderson, Franklin, Harrison, Henry, Nelson, Scott and 3 more	29 min
Dec 11, 2:16 AM CST	Severe Thunderstorm Warning Considerable damage threat	LMK	Butler, Logan, Simpson, Warren	44 min
Dec 11, 2:22 AM CST	Tornado Warning Tornado observed	LMK	Boyle, Casey, Larue, Lincoln, Marion, Mercer and 1 more	38 min
Dec 11, 2:59 AM CST	Tornado Warning	LMK	Boyle, Casey, Garrard, Jessamine, Lincoln, Madison and 1 more	46 min
Dec 11, 3:00 AM CST	Flash Flood Warning	LMK	Barren, Butler, Edmonson, Green, Hart, Logan and 3 more	6 hr
Dec 11, 3:10 AM CST	Areal Flood Advisory	LMK	Anderson, Bullitt, Franklin, Harrison, Jefferson, Nelson and 3 more	4 hr
Dec 11, 3:13 AM CST	Severe Thunderstorm Warning	LMK	Allen, Barren, Butler, Edmonson, Hart, Logan and 2 more	32 min
Dec 11, 3:20 AM CST	Severe Thunderstorm Warning	LMK	Bourbon, Clark, Fayette, Harrison, Jessamine, Nicholas and 2 more	25 min
Dec 11, 3:38 AM CST	Severe Thunderstorm Warning	LMK	Clark, Madison	37 min
Dec 11, 3:43 AM CST	Areal Flood Advisory	LMK	Adair, Boyle, Casey, Garrard, Green, Lincoln and 3 more	4 hr
Dec 11, 3:47 AM CST	Severe Thunderstorm Warning	LMK	Allen, Barren, Edmonson, Grayson, Green, Hardin and 7 more	28 min
Dec 11, 3:56 AM CST	Flash Flood Warning	LMK	Breckinridge, Bullitt, Franklin, Grayson, Hancock, Hardin and 6 more	3 hr
Dec 11, 4:01 AM CST	Tornado Warning	LMK	Garrard, Madison	18 min
Dec 11, 4:18 AM CST	Severe Thunderstorm Warning	LMK	Adair, Allen, Barren, Casey, Cumberland, Green and 5 more	42 min
Dec 11, 4:23 AM CST	Tornado Warning	LMK	Clark, Garrard, Lincoln, Madison	37 min
Dec 11, 4:27 AM CST	Tornado Warning	LMK	Cumberland, Monroe	33 min
Dec 11, 4:52 AM CST	Tornado Warning	LMK	Casey, Clinton, Cumberland, Russell	23 min
Dec 11, 4:58 AM CST	Severe Thunderstorm Warning	LMK	Adair, Boyle, Casey, Clark, Fayette, Garrard and 6 more	32 min
Dec 11, 4:58 AM CST	Severe Thunderstorm Warning	LMK	Adair, Boyle, Casey, Green, Lincoln, Marion and 2 more	32 min
Dec 11, 5:28 AM CST	Severe Thunderstorm Warning	LMK	Clark, Garrard, Lincoln, Madison	32 min
Dec 11, 7:42 AM CST	Areal Flood Warning	LMK	Garrard, Lincoln, Madison	3 hr
Dec 11, 9:18 AM CST	Special Weather Statement	LMK	Anderson, Franklin, Henry, Nelson, Shelby, Spencer and 1 more	27 min
Dec 11, 10:10 AM CST	Special Weather Statement	LMK	Anderson, Bourbon, Clark, Fayette, Harrison, Jessamine and 6 more	65 min
Dec 11, 1:01 AM CST	Special Weather Statement	LMK	Crawford	14 min

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.