Alert archive / Kentucky / Freeze Watches in 2021

Freeze Watch 3, NWS Louisville, KY

April 21, 20216 counties in Kentucky

NWS Louisville, KY issued this freeze watch at Apr 21, 2021, 2:49 PM EDT for 6 counties in Kentucky. It took effect at Apr 23, 2021, 1:00 AM EDT. It was in force for .

The area

The counties it named.

The facts

Issued
Apr 21, 2021, 2:49 PM EDT (18:49 UTC)
In effect from
Apr 23, 2021, 1:00 AM EDT
Expired
Apr 22, 2021, 4:20 AM EDT
In force
Issued by
NWS Louisville, KY

Counties Bourbon County, KY, Clark County, KY, Fayette County, KY, Harrison County, KY, Nicholas County, KY, Scott County, KY

The radar

The Jackson,KY radar (KJKL), 110 km from the middle of the area, began a volume at 18:49 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 12:00Z, 6.8 hours before the alert went out and 142 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 12:00Z on 2021-04-21Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2021-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -99 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
624 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
-99 m²/s²
0-3 km storm-relative helicity
18 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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.

&&

$$
1 follow-up statement
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

What forecasters said that day

The local office's own words before this freeze watch 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 freeze watch went out at Apr 21, 1:26 PM EDT, 1 hour 23 minutes earlier.

Area forecast discussion, Apr 21, 1:26 PM EDT, 1 hour 23 minutes before
Area Forecast Discussion
National Weather Service Louisville KY
126 PM EDT Wed Apr 21 2021

...Updated Aviation Discussion...

.Forecast Update...
Issued at 1245 PM EDT Wed Apr 21 2021

Current radar showing scattered showers popping up across our
western half of the CWA and moving SE. Haven't seen any reports of
rain or snow reaching the ground so far, but have gone ahead and
updated weather and sky grids to better match radar and satellite.
Updated products forthcoming.

Issued at 1010 AM EDT Wed Apr 21 2021

Have allowed this morning's Freeze Warning to expire given rising
temperatures reported around the area. Another Freeze Warning for
Thursday morning is also still in effect with no changes made at
this time and valid from midnight EDT / 11 PM CDT tonight to 10 AM
EDT / 9 AM CDT Thursday morning. Frost Advisory remains in effect
for Ohio, Butler, Logan, Warren, and Simpson Counties in southern KY
valid from 11 PM this evening to 9 AM CDT Thursday morning.

Issued at 937 AM EDT Wed Apr 21 2021

Radar is showing some light returns over our western Indiana and NW
KY counties, but no reports of any precip reaching the surface.
Latest hi-res models continue to show isolated to scattered showers
redeveloping this afternoon, mainly over the Bluegrass region. Model
sounding do show the upper portions of the moisture column residing
within the DGZ, so seeing a light rain/snow mix at times is
possible. But with that being said, forecast max temperatures this
afternoon are in the mid 40s, and there is a dry layer of air from
the surface up to 850mb. These two things could keep precip as
mostly rain as well as reduce the amount of precip we will see reach
the surface. Current forecast remains on track and have only made
minor adjustments to near term grids. No updated products necessary.

&&

.Short Term...(Today and tonight)
Issued at 327 AM EDT Wed Apr 22 2021

Radar this morning was showing the heavy to moderate band of snow
working through the Bluegrass down in around the Lake Cumberland
regions. With some lighter lingering snow showers stretching back to
around Louisville down to Bowling Green. This area will continue to
push eastward this morning and push out of the CWA around day break.
The rest of the day will be very chilly and blustery highs in the
upper 40s to near 50 and winds out of the NW between 10-15 mph and
gust approaching 20 mph this afternoon. With daytime heating, lapse
rates will steepen and allow for some scattered convection to
develop across the CWA, from southern Indiana southeast through the
Bluegrass down into east-central Kentucky. Precipitation with any
showers should remain mostly rain, however some graupel and a few
rumbles of thunder within more robust convection can't be ruled out
given the lapse rates.

Any precipitation activity comes to an end this evening as winds
diminish and clouds thin out overnight. This will lead to another
cold morning for late April as temperatures drop into the upper 20s
and low 30s for most of our CWA with the exception of our far
southwestern counties. Will upgrade the Freeze Watch to a Freeze
Warning for most of the CWA with the exception of Ohio, Butler,
Warren, Logan and Simpson Counties which will be under a Frost
Advisory in conjunction with our surrounding neighbors.

.Long Term...(Thursday through Tuesday)
Issued at 334 AM EDT Wed Apr 21 2021

A weak surface trough will swing through the upper Ohio Valley on
Thursday. Moisture is lacking and models are not in great agreement,
but after talking with neighbors will go ahead with just some
isolated showers in the Blue Grass.

We'll have one more chilly night Thursday night with lows ranging
from the mid 30s west of I-65 to the lower 30s east. Some locations
along and east of I-75 will probably dip just below freezing
briefly, but overall it looks more like a Frost Advisory level event
at this time. West of there clouds and temperatures should prevent
widespread frost formation.

A center of low pressure over the Texas Panhandle Friday evening
will move to the Tennessee/Ohio Valleys by midday Saturday on its
way to the Jersey Shore by Sunday morning. The Gulf will be open for
business, supplying plenty of moisture to the passing system. As a
result, widespread rain is expected, especially on Saturday. Any
significant instability will stay well to our south, with severe
storms possible along the Gulf Coast.

We then dry out and warm up for the remainder of the forecast
period. By Tuesday we may be up into the 80s.

&&

.Aviation...(18Z TAF Issuance)
Issued at 125 PM EDT Wed Apr 21 2021

IMPACTS: High end MVFR to begin the TAF period with light rain/snow
mix through the afternoon.

DISCUSSION:  Radar showing scattered showers advancing SE across the
area with reports of light rain and light snow coming in from BWG to
HNB. Expect mixed showers to continue through the afternoon with
CIGs rising to VFR shortly after TAF issuance. Winds out of the NW
will occasionally gust to around 15kts. Brief clearing tonight will
take place before another low end VFR CIG moves in early Thursday
morning. Winds will pick up again Thursday later morning with gusts
in the 15-20kt range.

CONFIDENCE: Moderate to high on CIG and showers. High on winds.

&&

.LMK WATCHES/WARNINGS/ADVISORIES...
IN...Freeze Warning from midnight EDT /11 PM CDT/ tonight to 10 AM
     EDT /9 AM CDT/ Thursday for INZ076>079-083-084-089>092.

KY...Freeze Warning from midnight EDT /11 PM CDT/ tonight to 10 AM
     EDT /9 AM CDT/ Thursday for KYZ023>025-027>043-045>049-
     053>057-062>067-073>078-081-082.

     Frost Advisory from 11 PM this evening to 9 AM CDT Thursday for
     KYZ026-061-070>072.

&&

Update...CG
Short Term...BTN
Long Term...13
Aviation...CG
Hazardous weather outlook, Apr 21, 4:15 AM EDT, 10 hours 34 minutes before
Hazardous Weather Outlook
National Weather Service Louisville KY
415 AM EDT Wed Apr 21 2021

KYZ023>025-027>031-033>043-045>049-053>057-062>067-073>078-081-082-
220815-
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
415 AM EDT Wed Apr 21 2021 /315 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...

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

.DAY ONE...Today and Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Temperatures may drop below freezing Thursday morning and to near
freezing Friday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

&&

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

INZ076>079-083-084-089>092-KYZ032-220815-
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
415 AM EDT Wed Apr 21 2021 /315 AM CDT Wed Apr 21 2021/

...FREEZE WARNING 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...

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

.DAY ONE...Today and Tonight.

Temperatures will drop to around or slightly below freezing this
morning.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Temperatures may drop below freezing Thursday morning and to near
freezing Friday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

&&

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

KYZ026-061-070>072-220815-
Ohio-Butler-Logan-Warren-Simpson-
Including the cities of Hartford, Morgantown, Russellville,
Bowling Green, Franklin, and Providence
315 AM CDT Wed Apr 21 2021

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

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

.DAY ONE...Today and Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Temperatures may drop to near freezing Thursday morning and to near
freezing Friday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

&&

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

BTN/13

In the hours before

Local storm report, Apr 21, 11:09 AM EDT, 3 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1109 AM EDT WED APR 21 2021

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

0900 AM     SNOW             3 N WYANDOTTE           38.25N 86.30W
04/21/2021  M1.8 INCH        CRAWFORD           IN   PUBLIC

&&

CJP
Local storm report, Apr 21, 11:20 AM EDT, 3 hours 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1120 AM EDT WED APR 21 2021

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

0700 AM     SNOW             4 E MIDDLETOWN          38.23N 85.45W
04/21/2021  M1.9 INCH        JEFFERSON          KY   PUBLIC

&&

CJP
Local storm report, Apr 21, 11:21 AM EDT, 3 hours 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1121 AM EDT WED APR 21 2021

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

0700 AM     SNOW             1 ENE MOUNT WASHINGTON  38.06N 85.53W
04/21/2021  M1.8 INCH        BULLITT            KY   PUBLIC

&&

CJP
Local storm report, Apr 21, 11:22 AM EDT, 3 hours 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1122 AM EDT WED APR 21 2021

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

0930 AM     SNOW             BROWNSBORO              38.35N 85.50W
04/21/2021  M2.0 INCH        OLDHAM             KY   PUBLIC

&&

CJP
Local storm report, Apr 21, 11:23 AM EDT, 3 hours 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1123 AM EDT WED APR 21 2021

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

0800 AM     SNOW             1 NE VINE GROVE         37.82N 85.97W
04/21/2021  M1.0 INCH        HARDIN             KY   PUBLIC

&&

CJP
Local storm report, Apr 21, 11:29 AM EDT, 3 hours 20 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE LOUISVILLE KY
1129 AM EDT WED APR 21 2021

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

0700 AM     SNOW             3 W ELK CREEK           38.10N 85.42W
04/21/2021  M2.2 INCH        SPENCER            KY   COCORAHS

0810 AM     SNOW             2 W ELK CREEK           38.10N 85.40W
04/21/2021  M1.8 INCH        SPENCER            KY   NWS EMPLOYEE

0500 AM     SNOW             GEORGETOWN              38.21N 84.55W
04/21/2021  M1.9 INCH        SCOTT              KY   TRAINED SPOTTER

0700 AM     SNOW             4 NW SADIEVILLE         38.43N 84.59W
04/21/2021  M3.0 INCH        SCOTT              KY   COCORAHS

0700 AM     SNOW             1 S BUCKNER             38.36N 85.43W
04/21/2021  E1.7 INCH        OLDHAM             KY   NWS EMPLOYEE

0700 AM     SNOW             2 NE LA GRANGE          38.42N 85.35W
04/21/2021  M2.3 INCH        OLDHAM             KY   COCORAHS

0930 AM     SNOW             BROWNSBORO              38.36N 85.50W
04/21/2021  E2.0 INCH        OLDHAM             KY   PUBLIC

0930 AM     SNOW             BROWNSBORO              38.35N 85.50W
04/21/2021  M2.0 INCH        OLDHAM             KY   PUBLIC

0700 AM     SNOW             1 SSW BALLTOWN          37.73N 85.51W
04/21/2021  M1.0 INCH        NELSON             KY   COCORAHS

1000 AM     SNOW             4 NW FREDRICKTOWN       37.79N 85.39W
04/21/2021  M1.4 INCH        NELSON             KY   PUBLIC

0155 AM     SNOW             3 WNW OKOLONA           38.16N 85.73W
04/21/2021  M1.8 INCH        JEFFERSON          KY   OTHER FEDERAL

0200 AM     SNOW             2 SSW HIGHVIEW          38.11N 85.64W
04/21/2021  M1.9 INCH        JEFFERSON          KY   CO-OP OBSERVER

            CORRECTS SOURCE OF PREVIOUS SNOW REPORT FROM
            2 SSW HIGHVIEW.

0218 AM     SNOW             4 E MIDDLETOWN          38.23N 85.45W
04/21/2021  M1.9 INCH        JEFFERSON          KY   PUBLIC

0700 AM     SNOW             3 E LOUISVILLE          38.25N 85.70W
04/21/2021  M1.0 INCH        JEFFERSON          KY   COCORAHS

0700 AM     SNOW             4 SE PEWEE VALLEY       38.27N 85.44W
04/21/2021  M1.9 INCH        JEFFERSON          KY   COCORAHS

0700 AM     SNOW             MIDDLETOWN              38.24N 85.52W
04/21/2021  M1.4 INCH        JEFFERSON          KY   NWS EMPLOYEE

            SNOW DEPTH 1 INCH.

0700 AM     SNOW             3 ESE MIDDLETOWN        38.23N 85.46W
04/21/2021  M1.9 INCH        JEFFERSON          KY   TRAINED SPOTTER

0700 AM     SNOW             3 NNW ANCHORAGE         38.31N 85.55W
04/21/2021  M2.3 INCH        JEFFERSON          KY   NWS EMPLOYEE

0700 AM     SNOW             4 E MIDDLETOWN          38.23N 85.45W
04/21/2021  M1.9 INCH        JEFFERSON          KY   PUBLIC

0730 AM     SNOW             3 NNW ANCHORAGE         38.31N 85.55W
04/21/2021  M2.3 INCH        JEFFERSON          KY   PUBLIC

0700 AM     SNOW             2 NE SMITHFIELD         38.41N 85.23W
04/21/2021  E2.2 INCH        HENRY              KY   TRAINED SPOTTER

0700 AM     SNOW             4 NE NEW CASTLE         38.48N 85.12W
04/21/2021  M2.0 INCH        HENRY              KY   CO-OP OBSERVER

0134 AM     SNOW             RADCLIFF                37.83N 85.94W
04/21/2021  M1.0 INCH        HARDIN             KY   AMATEUR RADIO

0324 AM     SNOW             2 SSW VINE GROVE        37.79N 85.98W
04/21/2021  M1.7 INCH        HARDIN             KY   NWS EMPLOYEE

            TOTAL SNOWFALL ON SNOWBOARD WAS 1.7 INCHES.

0630 AM     SNOW             3 SE COLESBURG          37.75N 85.74W
04/21/2021  M1.7 INCH        HARDIN             KY   COCORAHS

0700 AM     SNOW             2 NW RINEYVILLE         37.77N 85.99W
04/21/2021  M1.4 INCH        HARDIN             KY   COCORAHS

0800 AM     SNOW             1 S FORT KNOX           37.88N 85.96W
04/21/2021  E1.0 INCH        HARDIN             KY   OTHER FEDERAL

            REPORT FROM KFTK.

0800 AM     SNOW             2 SE ELIZABETHTOWN      37.69N 85.85W
04/21/2021  M0.6 INCH        HARDIN             KY   COCORAHS

0800 AM     SNOW             1 NE VINE GROVE         37.82N 85.97W
04/21/2021  M1.0 INCH        HARDIN             KY   PUBLIC

0700 AM     SNOW             1 WNW FORKS OF ELKHORN  38.23N 84.82W
04/21/2021  M2.5 INCH        FRANKLIN           KY   COCORAHS

0335 AM     SNOW             2 NNE LEXINGTON         38.07N 84.49W
04/21/2021  E1.0 INCH        FAYETTE            KY   BROADCAST MEDIA

0700 AM     SNOW             3 E LEXINGTON           38.05N 84.44W
04/21/2021  M1.3 INCH        FAYETTE            KY   COCORAHS

0700 AM     SNOW             4 WSW LEXINGTON         38.03N 84.56W
04/21/2021  M1.4 INCH        FAYETTE            KY   COCORAHS

0800 AM     SNOW             5 W LEXINGTON           38.04N 84.60W
04/21/2021  E1.0 INCH        FAYETTE            KY   PUBLIC

            REPORT FROM KLEX.

0800 AM     SNOW             6 N SPEARS              37.95N 84.47W
04/21/2021  M0.5 INCH        FAYETTE            KY   TRAINED SPOTTER

0720 AM     SNOW             1 SSW WINCHESTER        37.98N 84.20W
04/21/2021  M1.1 INCH        CLARK              KY   COCORAHS

0700 AM     SNOW             1 SE LIBERTY            37.31N 84.92W
04/21/2021  M1.5 INCH        CASEY              KY   COCORAHS

0700 AM     SNOW             4 SE GRAVEL SWITCH      37.54N 85.01W
04/21/2021  M0.5 INCH        CASEY              KY   COCORAHS

0700 AM     SNOW             2 SSE BROOKS            38.05N 85.70W
04/21/2021  M0.9 INCH        BULLITT            KY   COCORAHS

0700 AM     SNOW             2 E MOUNT WASHINGTON    38.05N 85.52W
04/21/2021  M1.8 INCH        BULLITT            KY   TRAINED SPOTTER

0700 AM     SNOW             1 ENE MOUNT WASHINGTON  38.06N 85.53W
04/21/2021  M1.8 INCH        BULLITT            KY   PUBLIC

0700 AM     SNOW             1 N MCKINLEY            38.76N 86.20W
04/21/2021  M0.5 INCH        WASHINGTON         IN   COCORAHS

0700 AM     SNOW             2 NNE NORTH MADISON     38.79N 85.38W
04/21/2021  M1.4 INCH        JEFFERSON          IN   COCORAHS

0800 AM     SNOW             3 WSW SAINT JOSEPH      38.37N 85.87W
04/21/2021  M2.9 INCH        FLOYD              IN   COCORAHS

0600 AM     SNOW             HUNTINGBURG             38.29N 86.96W
04/21/2021  M0.7 INCH        DUBOIS             IN   COCORAHS

0900 AM     SNOW             3 N WYANDOTTE           38.25N 86.30W
04/21/2021  M1.8 INCH        CRAWFORD           IN   PUBLIC

0700 AM     SNOW             3 E HENRYVILLE          38.53N 85.72W
04/21/2021  M2.0 INCH        CLARK              IN   COCORAHS

0700 AM     SNOW             1 NW JEFFERSONVILLE     38.31N 85.74W
04/21/2021  M0.5 INCH        CLARK              IN   COCORAHS

&&

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 21, 1:42 AM EDTSpecial Weather StatementLMKAllen, Anderson, Barren, Bullitt, Edmonson, Franklin and 21 more63 min
Apr 21, 3:52 AM EDTFrost AdvisoryLMKButler, Logan, Ohio, Simpson, Warren28 hr
Apr 21, 3:52 AM EDTFreeze WarningLMKAdair, Allen, Anderson, Barren, Bourbon, Boyle and 38 more28 hr

Nearby

Freeze Watches in Kentucky, 2021Every freeze watch 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.