Alert archive / Kentucky / Wind Advisories in 2021

Wind Advisory 1, NWS Louisville, KY

January 1, 202138 counties in Kentucky

NWS Louisville, KY issued this wind advisory at Jan 1, 2021, 2:19 PM CST for 38 counties in Kentucky. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Jan 1, 2021, 2:19 PM CST (20:19 UTC)
Expired
Jan 1, 2021, 7:00 PM CST
In force
5 hr
Issued by
NWS Louisville, KY
All 38 counties

Adair County, KY, Allen County, KY, Anderson County, KY, Barren County, KY, Boyle County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Casey County, KY, Clark County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Fayette County, KY, Garrard County, KY, Grayson County, KY, Green County, KY, Hardin County, KY, Hart County, KY, Jessamine County, KY, Larue County, KY, Lincoln County, KY, Logan County, KY, Madison County, KY, Marion County, KY, Meade County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Nelson County, KY, Ohio County, KY, Russell County, KY, Simpson County, KY, Spencer County, KY, Taylor County, KY, Warren County, KY, Washington County, KY, Woodford County, KY

The radar

The Louisville radar (KLVX), 71 km from the middle of the area, began a volume at 20:21 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 12:00Z, 8.3 hours before the alert went out and 175 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, Nashville Metro, TN at 12:00Z on 2021-01-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2021-01-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 740 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
479 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
740 m²/s²
0-3 km storm-relative helicity
861 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

299 
WWUS73 KLMK 012019
NPWLMK

URGENT - WEATHER MESSAGE
National Weather Service Louisville KY
319 PM EST Fri Jan 1 2021

...Gusty Winds Ahead Of A Cold Front Late This Afternoon...

KYZ024>029-038>041-045>049-053>057-061>067-070>078-081-082-020100-
/O.NEW.KLMK.WI.Y.0001.210101T2019Z-210102T0100Z/
Breckinridge-Meade-Ohio-Grayson-Hardin-Bullitt-Spencer-Anderson-
Woodford-Fayette-Nelson-Washington-Mercer-Jessamine-Clark-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 Hardinsburg, Brandenburg, Hartford, 
Leitchfield, Elizabethtown, Shepherdsville, Taylorsville, 
Lawrenceburg, Versailles, Lexington, 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
319 PM EST Fri Jan 1 2021 /219 PM CST Fri Jan 1 2021/

...WIND ADVISORY IN EFFECT UNTIL 8 PM EST /7 PM CST/ THIS
EVENING...

The National Weather Service in Louisville has issued a Wind
Advisory, which is in effect until 8 PM EST /7 PM CST/ this
evening. 

* TIMING...Now until just after sunset

* WINDS....Strongest gusts between 35 and 45 mph, however stronger
  gusts possible with any shower or brief storm.

* IMPACTS...Gusty winds could blow around unsecured outdoor
  objects. Tree limbs could be blown down and a few power outages
  may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that wind gusts of over 40 mph are
expected. Winds this strong can make driving difficult...
especially for high profile vehicles. Use extra caution.

&&

$$

BJS
1 follow-up statement
035 
WWUS73 KLMK 020123
NPWLMK

URGENT - WEATHER MESSAGE
National Weather Service Louisville KY
823 PM EST Fri Jan 1 2021

KYZ024>029-038>041-045>049-053>057-061>067-070>078-081-082-020230-
/O.EXP.KLMK.WI.Y.0001.000000T0000Z-210102T0100Z/
Breckinridge-Meade-Ohio-Grayson-Hardin-Bullitt-Spencer-Anderson-
Woodford-Fayette-Nelson-Washington-Mercer-Jessamine-Clark-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 Hardinsburg, Brandenburg, Hartford, 
Leitchfield, Elizabethtown, Shepherdsville, Taylorsville, 
Lawrenceburg, Versailles, Lexington, 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
823 PM EST Fri Jan 1 2021 /723 PM CST Fri Jan 1 2021/

...WIND ADVISORY HAS EXPIRED...

Wind gusts across the advisory area are expected to be below 40
mph over the next few hours. Thus the advisory has been allowed to
expire. Wind gusts of 25 to 35 mph still are expected over the
next few hours, in the wake of a cold front that has crossed
central Kentucky.

$$

RJS

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 1, 2:36 PM CSTRiver Flood AdvisoryLMKOhio19 hr
Jan 1, 4:38 PM CSTSpecial Weather StatementLMKHenry, Shelby37 min
Jan 1, 5:49 PM CSTSpecial Weather StatementLMKHarrison, Scott41 min

Nearby

Wind Advisories in Kentucky, 2021Every wind advisory 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.