Alert archive / Kentucky / Frost Advisories in 2021

Frost Advisory 3, NWS Louisville, KY

April 21, 20215 counties in Kentucky

NWS Louisville, KY issued this frost advisory at Apr 21, 2021, 2:52 AM CDT for 5 counties in Kentucky. It took effect at Apr 21, 2021, 11:00 PM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Apr 21, 2021, 2:52 AM CDT (07:52 UTC)
In effect from
Apr 21, 2021, 11:00 PM CDT
Expired
Apr 22, 2021, 7:05 AM CDT
In force
8 hr
Issued by
NWS Louisville, KY

Counties Butler County, KY, Logan County, KY, Ohio County, KY, Simpson County, KY, Warren County, KY

The radar

The Ft Campbell radar (KHPX), 64 km from the middle of the area, began a volume at 07:57 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, 7.9 hours before the alert went out and 103 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 00:00Z on 2021-04-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2021-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
8 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
2754 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

124 
WWUS73 KLMK 210752
NPWLMK

URGENT - WEATHER MESSAGE
National Weather Service Louisville KY
352 AM EDT Wed Apr 21 2021


INZ076>079-083-084-089>092-KYZ032-211500-
/O.UPG.KLMK.FZ.A.0002.210422T0600Z-210422T1400Z/
/O.NEW.KLMK.FZ.W.0005.210422T0400Z-210422T1400Z/
/O.CON.KLMK.FZ.W.0004.000000T0000Z-210421T1400Z/
Orange-Washington-Scott-Jefferson-Dubois-Crawford-Perry-Harrison-
Floyd-Clark-Trimble-
Including the cities of Paoli, Salem, Scottsburg, Madison, 
Jasper, English, Tell City, Corydon, New Albany, Jeffersonville, 
Bedford, and Milton
352 AM EDT Wed Apr 21 2021 /252 AM CDT Wed Apr 21 2021/

...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT /9 AM CDT/
THIS MORNING...
...FREEZE WARNING IN EFFECT FROM MIDNIGHT EDT /11 PM CDT/ TONIGHT
TO 10 AM EDT /9 AM CDT/ THURSDAY...

The National Weather Service in Louisville has issued a Freeze
Warning, which is in effect from midnight EDT /11 PM CDT/ tonight
to 10 AM EDT /9 AM CDT/ Thursday. The Freeze Watch is no longer
in effect. 

* WHAT...Temperatures are expected to be in the 29-32 degree range
  this morning...and will do so again late Wednesday night into 
  early Thursday morning. 

* WHERE...Portions of south central Indiana and north central
  Kentucky in the warning for this morning. All of southern
  Indiana and most of central Kentucky for the warning tonight and
  early Thursday morning.

* WHEN...Until 10 AM EDT /9 AM CDT/ This morning. Then from
  midnight EDT /11 PM CDT tonight to 10 AM EDT /9 AM CDT/ Thursday
  morning.

* Impacts...Freeze conditions will kill sensitive vegetation.

* ADDITIONAL DETAILS...wind chills this morning will be in the 
  lower and middle 20s and again Thursday morning. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

&&

$$

KYZ023>025-027>031-033>043-045>049-053>057-062>067-073>078-081-
082-211500-
/O.UPG.KLMK.FZ.A.0002.210422T0600Z-210422T1400Z/
/O.NEW.KLMK.FZ.W.0005.210422T0400Z-210422T1400Z/
Hancock-Breckinridge-Meade-Grayson-Hardin-Bullitt-Jefferson-
Oldham-Henry-Shelby-Franklin-Scott-Harrison-Spencer-Anderson-
Woodford-Fayette-Bourbon-Nicholas-Nelson-Washington-Mercer-
Jessamine-Clark-Larue-Marion-Boyle-Garrard-Madison-Edmonson-Hart-
Green-Taylor-Casey-Lincoln-Allen-Barren-Monroe-Metcalfe-Adair-
Russell-Cumberland-Clinton-
Including the cities of Lewisport, Hawesville, Hardinsburg, 
Brandenburg, Leitchfield, Elizabethtown, Shepherdsville, 
Louisville, La Grange, New Castle, Shelbyville, Frankfort, 
Georgetown, Cynthiana, Taylorsville, Lawrenceburg, Versailles, 
Lexington, Paris, Carlisle, Bardstown, Springfield, Harrodsburg, 
Nicholasville, Winchester, Hodgenville, Lebanon, Danville, 
Lancaster, Richmond, Brownsville, Horse Cave, Greensburg, 
Campbellsville, Liberty, Stanford, Scottsville, Glasgow, 
Tompkinsville, Edmonton, Columbia, Jamestown, Burkesville, 
and Albany
352 AM EDT Wed Apr 21 2021 /252 AM CDT Wed Apr 21 2021/

...FREEZE WARNING IN EFFECT FROM MIDNIGHT EDT /11 PM CDT/ TONIGHT
TO 10 AM EDT /9 AM CDT/ THURSDAY...

The National Weather Service in Louisville has issued a Freeze
Warning, which is in effect from midnight EDT /11 PM CDT/ tonight
to 10 AM EDT /9 AM CDT/ Thursday. The Freeze Watch is no longer
in effect. 

* WHAT...Temperatures are expected to range from 28-32 degrees
  late tonight into early Thursday morning.
  

* WHERE...Southern Indiana and most of central Kentucky.

* WHEN...From midnight EDT /11 PM CDT tonight to 10 AM EDT /9 AM 
  CDT/ Thursday morning.

* Impacts...Freeze conditions will kill sensitive vegetation.
 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

&&

$$

KYZ026-061-070>072-211500-
/O.UPG.KLMK.FZ.A.0002.210422T0600Z-210422T1400Z/
/O.NEW.KLMK.FR.Y.0003.210422T0400Z-210422T1400Z/
Ohio-Butler-Logan-Warren-Simpson-
Including the cities of Hartford, Morgantown, Russellville, 
Bowling Green, Franklin, and Providence
252 AM CDT Wed Apr 21 2021

...FROST ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 9 AM CDT
THURSDAY...

The National Weather Service in Louisville has issued a Frost
Advisory, which is in effect from 11 PM this evening to 9 AM CDT
Thursday. The Freeze Watch is no longer in effect. 

* WHAT...Temperatures are expected to range from 32-35 degrees 
  late tonight into early Thursday morning. 

* WHERE...Parts of south-central Kentucky.

* WHEN...From late Wednesday night through Thursday morning.

* Impacts...Frost could damage or kill sensitive outdoor
  vegetation if left uncovered.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$
BTN
4 follow-up statements
004 
WWUS73 KLMK 211403
NPWLMK

URGENT - WEATHER MESSAGE
National Weather Service Louisville KY
1003 AM EDT Wed Apr 21 2021

INZ076>079-083-084-089>092-KYZ032-212215-
/O.EXP.KLMK.FZ.W.0004.000000T0000Z-210421T1400Z/
/O.CON.KLMK.FZ.W.0005.210422T0400Z-210422T1400Z/
Orange-Washington-Scott-Jefferson-Dubois-Crawford-Perry-Harrison-
Floyd-Clark-Trimble-
Including the cities of Paoli, Salem, Scottsburg, Madison, 
Jasper, English, Tell City, Corydon, New Albany, Jeffersonville, 
Bedford, and Milton
1003 AM EDT Wed Apr 21 2021 /903 AM CDT Wed Apr 21 2021/

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT EDT /11 PM CDT/
TONIGHT TO 10 AM EDT /9 AM CDT/ THURSDAY...
...FREEZE WARNING HAS EXPIRED...

* WHAT...Sub-freezing temperatures as low as 30 expected.

* WHERE...Portions of south central Indiana and north central 
  Kentucky in the warning for this morning. All of southern 
  Indiana and most of central Kentucky for the warning tonight 
  and early Thursday morning.

* WHEN...Until 10 AM EDT /9 AM CDT/ This morning. Then from 
  midnight EDT /11 PM CDT tonight to 10 AM EDT /9 AM CDT/ 
  Thursday morning.

* IMPACTS...Frost and freeze conditions will kill crops, other
  sensitive vegetation and possibly damage unprotected outdoor
  plumbing.

* ADDITIONAL DETAILS...Wind chills this morning will be in the
  lower and middle 20s Thursday morning. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

KYZ023>025-027>031-033>043-045>049-053>057-062>067-073>078-081-
082-212215-
/O.CON.KLMK.FZ.W.0005.210422T0400Z-210422T1400Z/
Hancock-Breckinridge-Meade-Grayson-Hardin-Bullitt-Jefferson-
Oldham-Henry-Shelby-Franklin-Scott-Harrison-Spencer-Anderson-
Woodford-Fayette-Bourbon-Nicholas-Nelson-Washington-Mercer-
Jessamine-Clark-Larue-Marion-Boyle-Garrard-Madison-Edmonson-Hart-
Green-Taylor-Casey-Lincoln-Allen-Barren-Monroe-Metcalfe-Adair-
Russell-Cumberland-Clinton-
Including the cities of Lewisport, Hawesville, Hardinsburg, 
Brandenburg, Leitchfield, Elizabethtown, Shepherdsville, 
Louisville, La Grange, New Castle, Shelbyville, Frankfort, 
Georgetown, Cynthiana, Taylorsville, Lawrenceburg, Versailles, 
Lexington, Paris, Carlisle, Bardstown, Springfield, Harrodsburg, 
Nicholasville, Winchester, Hodgenville, Lebanon, Danville, 
Lancaster, Richmond, Brownsville, Horse Cave, Greensburg, 
Campbellsville, Liberty, Stanford, Scottsville, Glasgow, 
Tompkinsville, Edmonton, Columbia, Jamestown, Burkesville, 
and Albany
1003 AM EDT Wed Apr 21 2021 /903 AM CDT Wed Apr 21 2021/

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT EDT /11 PM CDT/
TONIGHT TO 10 AM EDT /9 AM CDT/ THURSDAY...

* WHAT...Temperatures are expected to range from 28-32 degrees 
  late tonight into early Thursday morning.

* WHERE...Southern Indiana and most of central Kentucky.

* WHEN...From midnight EDT /11 PM CDT tonight to 10 AM EDT /9 AM 
  CDT/ Thursday morning.

* IMPACTS...Frost and freeze conditions will kill crops, other
  sensitive vegetation and possibly damage unprotected outdoor
  plumbing.

* ADDITIONAL DETAILS...Wind chills this morning will be in the
  lower and middle 20s Thursday morning. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

&&

$$

KYZ026-061-070>072-212215-
/O.CON.KLMK.FR.Y.0003.210422T0400Z-210422T1400Z/
Ohio-Butler-Logan-Warren-Simpson-
Including the cities of Hartford, Morgantown, Russellville, 
Bowling Green, Franklin, and Providence
903 AM CDT Wed Apr 21 2021

...FROST ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
9 AM CDT THURSDAY...

* WHAT...Temperatures are expected to range from 32-35 degrees 
  late tonight into early Thursday morning.

* WHERE...Parts of south-central Kentucky.

* WHEN...From late Wednesday night through Thursday morning.

* IMPACTS...Frost and freeze conditions will kill crops, other
  sensitive vegetation and possibly damage unprotected outdoor
  plumbing.

* ADDITIONAL DETAILS...Wind chills this morning will be in the
  lower and middle 20s Thursday morning. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

CG
846 
WWUS73 KLMK 211849
NPWLMK

URGENT - WEATHER MESSAGE
National Weather Service Louisville KY
249 PM EDT Wed Apr 21 2021

KYZ036-037-041>043-049-221000-
/O.NEW.KLMK.FZ.A.0003.210423T0500Z-210423T1300Z/
/O.CON.KLMK.FZ.W.0005.210422T0400Z-210422T1400Z/
Scott-Harrison-Fayette-Bourbon-Nicholas-Clark-
Including the cities of Georgetown, Cynthiana, Lexington, Paris, 
Carlisle, and Winchester
249 PM EDT Wed Apr 21 2021

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
10 AM EDT THURSDAY...
...FREEZE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
MORNING...

The National Weather Service in Louisville has issued a Freeze
Watch, which is in effect from late Thursday night through Friday
morning. 

* WHAT...Temperatures tomorrow morning around 28-32 degrees.
  Temperatures Friday morning in the low 30s. 

* WHERE...Southern Indiana and most of central Kentucky.

* WHEN...From midnight EDT /11 PM CDT tonight to 10 AM EDT /9 AM 
  CDT/ Thursday morning. 

* Impacts...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing. 

* ADDITIONAL DETAILS...Wind chills this morning will be in the 
  lower and middle 20s Thursday morning. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

INZ076>079-083-084-089>092-KYZ023>025-027>035-038>040-045>048-
053>057-062>067-073>078-081-082-221000-
/O.CON.KLMK.FZ.W.0005.210422T0400Z-210422T1400Z/
Orange-Washington-Scott-Jefferson-Dubois-Crawford-Perry-Harrison-
Floyd-Clark-Hancock-Breckinridge-Meade-Grayson-Hardin-Bullitt-
Oldham-Trimble-Henry-Shelby-Franklin-Spencer-Anderson-Woodford-
Nelson-Mercer-Jessamine-Larue-Marion-Boyle-Garrard-Madison-
Edmonson-Hart-Green-Taylor-Casey-Lincoln-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, Leitchfield, 
Elizabethtown, Shepherdsville, Louisville, La Grange, Bedford, 
Milton, New Castle, Shelbyville, Frankfort, Taylorsville, 
Lawrenceburg, Versailles, Bardstown, Springfield, Harrodsburg, 
Nicholasville, Hodgenville, Lebanon, Danville, Lancaster, 
Richmond, Brownsville, Horse Cave, Greensburg, Campbellsville, 
Liberty, Stanford, Scottsville, Glasgow, Tompkinsville, Edmonton,
Columbia, Jamestown, Burkesville, and Albany
249 PM EDT Wed Apr 21 2021 /149 PM CDT Wed Apr 21 2021/

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT EDT /11 PM CDT/
TONIGHT TO 10 AM EDT /9 AM CDT/ THURSDAY...

* WHAT...Temperatures tomorrow morning around 28-32 degrees.

* WHERE...Southern Indiana and most of central Kentucky.

* WHEN...Until 10 AM EDT /9 AM CDT/ This morning. Then from 
  midnight EDT /11 PM CDT tonight to 10 AM EDT /9 AM CDT/ 
  Thursday morning. 

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing. 

* ADDITIONAL DETAILS...Wind chills this morning will be in the 
  lower and middle 20s Thursday morning. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

KYZ026-061-070>072-221000-
/O.CON.KLMK.FR.Y.0003.210422T0400Z-210422T1400Z/
Ohio-Butler-Logan-Warren-Simpson-
Including the cities of Hartford, Morgantown, Russellville, 
Bowling Green, Franklin, and Providence
149 PM CDT Wed Apr 21 2021

...FROST ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
9 AM CDT THURSDAY...

* WHAT...Temperatures are expected to range from 32-35 degrees  
  early Thursday morning. 

* WHERE...Parts of south-central Kentucky.

* WHEN...From late Wednesday night through Thursday morning.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing. 

* ADDITIONAL DETAILS...Wind chills this morning will be in the 
  lower and middle 20s Thursday morning. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$
498 
WWUS73 KLMK 220820
NPWLMK

URGENT - WEATHER MESSAGE
National Weather Service Louisville KY
420 AM EDT Thu Apr 22 2021

KYZ037-042-043-049-222000-
/O.UPG.KLMK.FZ.A.0003.210423T0500Z-210423T1300Z/
/O.NEW.KLMK.FZ.W.0006.210423T0400Z-210423T1200Z/
/O.CON.KLMK.FZ.W.0005.000000T0000Z-210422T1400Z/
Harrison-Bourbon-Nicholas-Clark-
Including the cities of Cynthiana, Paris, Carlisle, 
and Winchester
420 AM EDT Thu Apr 22 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...
...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT
FRIDAY...

The National Weather Service in Louisville has issued a Freeze
Warning, which is in effect from midnight tonight to 8 AM EDT
Friday. The Freeze Watch is no longer in effect. 

* WHAT...Temperatures this morning around 29-32 degrees. 
  Temperatures Friday morning in the low 30s. 

* WHERE...Harrison, Bourbon, Nicholas, and Clark counties in
  central Kentucky. 

* WHEN...From midnight EDT /11 PM CDT tonight to 10 AM EDT /9 AM
  CDT/ Thursday morning. 

* Impacts...Frost and freeze conditions will kill crops, other
  sensitive vegetation and possibly damage unprotected outdoor
  plumbing. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

&&

$$

KYZ057-222000-
/O.NEW.KLMK.FZ.W.0006.210423T0400Z-210423T1200Z/
/O.CON.KLMK.FZ.W.0005.000000T0000Z-210422T1400Z/
Madison-
Including the city of Richmond
420 AM EDT Thu Apr 22 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...
...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT
FRIDAY...

The National Weather Service in Louisville has issued a Freeze
Warning, which is in effect from midnight tonight to 8 AM EDT
Friday. 

* WHAT...Temperatures this morning around 27-32 degrees.
  Temperatures Friday morning in the low 30s.

* WHERE...Madison County KY.

* WHEN...Until 10 AM EDT /9 AM CDT/ This morning. Then from
  midnight EDT /11 PM CDT tonight to 10 AM EDT /9 AM CDT/ Thursday
  morning. 

* Impacts...Frost and freeze conditions will kill crops, other
  sensitive vegetation and possibly damage unprotected outdoor
  plumbing. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

&&

$$

KYZ036-041-222000-
/O.UPG.KLMK.FZ.A.0003.210423T0500Z-210423T1300Z/
/O.NEW.KLMK.FR.Y.0004.210423T0400Z-210423T1200Z/
/O.CON.KLMK.FZ.W.0005.000000T0000Z-210422T1400Z/
Scott-Fayette-
Including the cities of Georgetown and Lexington
420 AM EDT Thu Apr 22 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...
...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT
FRIDAY...

The National Weather Service in Louisville has issued a Frost
Advisory, which is in effect from midnight tonight to 8 AM EDT
Friday. The Freeze Watch is no longer in effect. 

* WHAT...Temperatures this morning around 28-32 degrees. 
  Temperatures Friday morning in the low 30s. 

* WHERE...Scott and Fayette counties in KY.

* WHEN...From midnight EDT /11 PM CDT tonight to 10 AM EDT /9 AM
  CDT/ Thursday morning. 

* Impacts...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

INZ079-KYZ031>035-038>040-045>048-054>056-064>067-075>078-081-082-
222000-
/O.NEW.KLMK.FR.Y.0004.210423T0400Z-210423T1200Z/
/O.CON.KLMK.FZ.W.0005.000000T0000Z-210422T1400Z/
Jefferson-Oldham-Trimble-Henry-Shelby-Franklin-Spencer-Anderson-
Woodford-Nelson-Washington-Mercer-Jessamine-Marion-Boyle-Garrard-
Green-Taylor-Casey-Lincoln-Monroe-Metcalfe-Adair-Russell-
Cumberland-Clinton-
Including the cities of Madison, La Grange, Bedford, Milton, 
New Castle, Shelbyville, Frankfort, Taylorsville, Lawrenceburg, 
Versailles, Bardstown, Springfield, Harrodsburg, Nicholasville, 
Lebanon, Danville, Lancaster, Greensburg, Campbellsville, 
Liberty, Stanford, Tompkinsville, Edmonton, Columbia, Jamestown, 
Burkesville, and Albany
420 AM EDT Thu Apr 22 2021 /320 AM CDT Thu Apr 22 2021/

...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT /9 AM CDT/
THIS MORNING...
...FROST ADVISORY IN EFFECT FROM MIDNIGHT EDT /11 PM CDT/ TONIGHT
TO 8 AM EDT /7 AM CDT/ FRIDAY...

The National Weather Service in Louisville has issued a Frost
Advisory, which is in effect from midnight EDT /11 PM CDT/
tonight to 8 AM EDT /7 AM CDT/ Friday. 

* WHAT...Temperatures this morning in the upper 20s to lower 30s.
  Temperatures Friday morning in the mid 30s. 

* WHERE...Southern Indiana and central Kentucky.

* WHEN...Until 10 AM EDT /9 AM CDT/ This morning. Then from
  midnight EDT /11 PM CDT tonight to 10 AM EDT /9 AM CDT/ Thursday
  morning. 

* Impacts...Frost and freeze conditions will kill crops, other
  sensitive vegetation and possibly damage unprotected outdoor
  plumbing.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

INZ076>078-083-084-089>092-KYZ023>025-027>030-053-062-063-073-074-
221400-
/O.CON.KLMK.FZ.W.0005.000000T0000Z-210422T1400Z/
Orange-Washington-Scott-Dubois-Crawford-Perry-Harrison-Floyd-
Clark-Hancock-Breckinridge-Meade-Grayson-Hardin-Bullitt-Jefferson-
Larue-Edmonson-Hart-Allen-Barren-
Including the cities of Paoli, Salem, Scottsburg, Jasper, 
English, Tell City, Corydon, New Albany, Jeffersonville, 
Lewisport, Hawesville, Hardinsburg, Brandenburg, Leitchfield, 
Elizabethtown, Shepherdsville, Louisville, Hodgenville, 
Brownsville, Horse Cave, Scottsville, and Glasgow
420 AM EDT Thu Apr 22 2021 /320 AM CDT Thu Apr 22 2021/

...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT /9 AM CDT/
THIS MORNING...

* WHAT...Temperatures this morning in the upper 20s to mid 30s.

* WHERE...Southern Indiana and central Kentucky.

* WHEN...Until 10 AM EDT /9 AM CDT/ This morning. 

* IMPACTS...Frost and freeze conditions will kill crops, other
  sensitive vegetation and possibly damage unprotected outdoor
  plumbing. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

KYZ026-061-070>072-221400-
/O.CON.KLMK.FR.Y.0003.000000T0000Z-210422T1400Z/
Ohio-Butler-Logan-Warren-Simpson-
Including the cities of Hartford, Morgantown, Russellville, 
Bowling Green, Franklin, and Providence
320 AM CDT Thu Apr 22 2021

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING...

* WHAT...Temperatures in the mid 30s this morning. 

* WHERE...Parts of south-central Kentucky.

* WHEN...Until 9 AM CDT This Morning. 

* IMPACTS...Frost and freeze conditions will kill crops, other
  sensitive vegetation and possibly damage unprotected outdoor
  plumbing. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

EBW
692 
WWUS73 KLMK 221205
NPWLMK

URGENT - WEATHER MESSAGE
National Weather Service Louisville KY
805 AM EDT Thu Apr 22 2021

KYZ037-042-043-049-057-222015-
/O.CAN.KLMK.FZ.W.0005.000000T0000Z-210422T1400Z/
/O.CON.KLMK.FZ.W.0006.210423T0400Z-210423T1200Z/
Harrison-Bourbon-Nicholas-Clark-Madison-
Including the cities of Cynthiana, Paris, Carlisle, Winchester, 
and Richmond
805 AM EDT Thu Apr 22 2021

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT FRIDAY...
...FREEZE WARNING IS CANCELLED...

* WHAT...Temperatures Friday morning in the low 30s.

* WHERE...Madison, Harrison, Bourbon, Nicholas and Clark 
  Counties.

* WHEN...From midnight tonight to 8 AM EDT Friday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

INZ079-KYZ031>036-038>041-045>048-054>056-064>067-075>078-081-082-
222015-
/O.CAN.KLMK.FZ.W.0005.000000T0000Z-210422T1400Z/
/O.CON.KLMK.FR.Y.0004.210423T0400Z-210423T1200Z/
Jefferson-Oldham-Trimble-Henry-Shelby-Franklin-Scott-Spencer-
Anderson-Woodford-Fayette-Nelson-Washington-Mercer-Jessamine-
Marion-Boyle-Garrard-Green-Taylor-Casey-Lincoln-Monroe-Metcalfe-
Adair-Russell-Cumberland-Clinton-
Including the cities of Madison, La Grange, Bedford, Milton, 
New Castle, Shelbyville, Frankfort, Georgetown, Taylorsville, 
Lawrenceburg, Versailles, Lexington, Bardstown, Springfield, 
Harrodsburg, Nicholasville, Lebanon, Danville, Lancaster, 
Greensburg, Campbellsville, Liberty, Stanford, Tompkinsville, 
Edmonton, Columbia, Jamestown, Burkesville, and Albany
805 AM EDT Thu Apr 22 2021 /705 AM CDT Thu Apr 22 2021/

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT EDT /11 PM CDT/
TONIGHT TO 8 AM EDT /7 AM CDT/ FRIDAY...
...FREEZE WARNING IS CANCELLED...

* WHAT...Temperatures Friday morning in the mid 30s.

* WHERE...Portions of Indiana and east central, north central 
  and south central Kentucky. 

* WHEN...From midnight EDT /11 PM CDT/ tonight to 8 AM EDT /7 AM 
  CDT/ Friday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

INZ076>078-083-084-089>092-KYZ023>025-027>030-053-062-063-073-074-
221315-
/O.CAN.KLMK.FZ.W.0005.000000T0000Z-210422T1400Z/
Orange-Washington-Scott-Dubois-Crawford-Perry-Harrison-Floyd-
Clark-Hancock-Breckinridge-Meade-Grayson-Hardin-Bullitt-Jefferson-
Larue-Edmonson-Hart-Allen-Barren-
Including the cities of Paoli, Salem, Scottsburg, Jasper, 
English, Tell City, Corydon, New Albany, Jeffersonville, 
Lewisport, Hawesville, Hardinsburg, Brandenburg, Leitchfield, 
Elizabethtown, Shepherdsville, Louisville, Hodgenville, 
Brownsville, Horse Cave, Scottsville, and Glasgow
805 AM EDT Thu Apr 22 2021 /705 AM CDT Thu Apr 22 2021/

...FREEZE WARNING IS CANCELLED...

Temperatures have warmed above freezing therefore the warning
has been cancelled.

$$

KYZ026-061-070>072-221315-
/O.CAN.KLMK.FR.Y.0003.000000T0000Z-210422T1400Z/
Ohio-Butler-Logan-Warren-Simpson-
Including the cities of Hartford, Morgantown, Russellville, 
Bowling Green, Franklin, and Providence
705 AM CDT Thu Apr 22 2021

...FROST ADVISORY IS CANCELLED...

Temperatures have warmed above frost criteria therefore the
advisory has been cancelled.

$$

CG

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 21, 12:42 AM CDTSpecial Weather StatementLMKAllen, Anderson, Barren, Bullitt, Edmonson, Franklin and 21 more63 min
Apr 21, 2:52 AM CDTFreeze WarningLMKAdair, Allen, Anderson, Barren, Bourbon, Boyle and 38 more28 hr
Apr 21, 1:49 PM CDTFreeze WatchLMKBourbon, Clark, Fayette, Harrison, Nicholas, Scott14 hr

Nearby

Frost Advisories in Kentucky, 2021Every frost 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.