Alert archive / Kentucky / Freeze Warnings in 2021

Freeze Warning 3, NWS Wilmington, OH

April 1, 20214 counties in Indiana; 12 counties in Kentucky; 5 counties in Ohio

NWS Wilmington, OH issued this freeze warning at Apr 1, 2021, 3:32 PM EDT for 4 counties in Indiana; 12 counties in Kentucky; 5 counties in Ohio. It took effect at Apr 2, 2021, 11:00 PM EDT. It was in force for 11 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 1, 2021, 3:32 PM EDT (19:32 UTC)
In effect from
Apr 2, 2021, 11:00 PM EDT
Expired
Apr 3, 2021, 10:00 AM EDT
In force
11 hr
Issued by
NWS Wilmington, OH
All 21 counties

Dearborn County, IN, Ohio County, IN, Ripley County, IN, Switzerland County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Gallatin County, KY, Grant County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Adams County, OH, Brown County, OH, Clermont County, OH, Hamilton County, OH, Scioto County, OH

The radar

The Cincinnati radar (KILN), 82 km from the middle of the area, began a volume at 19:36 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, 7.5 hours before the alert went out and 84 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 2021-04-01Temperature 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, Cncnati-Daytn, OH at 12:00Z on 2021-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -81 square meters per square second.19395878Sfc1 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
1287 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-81 m²/s²
0-3 km storm-relative helicity
-4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

656 
WWUS71 KILN 011932
NPWILN

URGENT - WEATHER MESSAGE
National Weather Service Wilmington OH
332 PM EDT Thu Apr 1 2021

INZ073>075-080-KYZ089>100-OHZ077>079-081-088-020345-
/O.NEW.KILN.FZ.W.0003.210403T0300Z-210403T1400Z/
/O.CON.KILN.FZ.W.0002.210402T0100Z-210402T1500Z/
Ripley-Dearborn-Ohio-Switzerland-Carroll-Gallatin-Boone-Kenton-
Campbell-Owen-Grant-Pendleton-Bracken-Robertson-Mason-Lewis-
Hamilton-Clermont-Brown-Adams-Scioto-
Including the cities of Batesville, Milan, Versailles, 
Lawrenceburg, Aurora, Rising Sun, Vevay, Carrollton, Warsaw, 
Florence, Burlington, Oakbrook, Covington, Erlanger, 
Independence, Newport, Alexandria, Owenton, Williamstown, 
Crittenden, Dry Ridge, Falmouth, Butler, Augusta, Brooksville, 
Mount Olivet, Maysville, Vanceburg, Tollesboro, Cincinnati, 
Milford, Georgetown, Mount Orab, West Union, Peebles, Portsmouth,
and Wheelersburg
332 PM EDT Thu Apr 1 2021

...FREEZE WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
11 AM EDT FRIDAY...
...FREEZE WARNING IN EFFECT FROM 11 PM FRIDAY TO 10 AM EDT
SATURDAY...

* WHAT...For the first Freeze Warning, sub-freezing temperatures 
  as low as 21 expected. For the second Freeze Warning, sub- 
  freezing temperatures as low as 26 expected.

* WHERE...Portions of Southeast Indiana, Northeast and Northern 
  Kentucky and South Central and Southwest Ohio.

* WHEN...For the first Freeze Warning, from 9 PM this evening to 
  11 AM EDT Friday. For the second Freeze Warning, from 11 PM 
  Friday to 10 AM EDT Saturday.

* IMPACTS...Freezing 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.

&&

$$
7 follow-up statements
819 
WWUS71 KILN 020201
NPWILN

URGENT - WEATHER MESSAGE
National Weather Service Wilmington OH
1001 PM EDT Thu Apr 1 2021

INZ073>075-080-KYZ089>100-OHZ077>079-081-088-021015-
/O.CON.KILN.FZ.W.0002.000000T0000Z-210402T1500Z/
/O.CON.KILN.FZ.W.0003.210403T0300Z-210403T1400Z/
Ripley-Dearborn-Ohio-Switzerland-Carroll-Gallatin-Boone-Kenton-
Campbell-Owen-Grant-Pendleton-Bracken-Robertson-Mason-Lewis-
Hamilton-Clermont-Brown-Adams-Scioto-
Including the cities of Batesville, Milan, Versailles, 
Lawrenceburg, Aurora, Rising Sun, Vevay, Carrollton, Warsaw, 
Florence, Burlington, Oakbrook, Covington, Erlanger, 
Independence, Newport, Alexandria, Owenton, Williamstown, 
Crittenden, Dry Ridge, Falmouth, Butler, Augusta, Brooksville, 
Mount Olivet, Maysville, Vanceburg, Tollesboro, Cincinnati, 
Milford, Georgetown, Mount Orab, West Union, Peebles, Portsmouth,
and Wheelersburg
1001 PM EDT Thu Apr 1 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL 11 AM EDT FRIDAY...
...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM FRIDAY TO 10 AM
EDT SATURDAY...

* WHAT...For the first Freeze Warning, sub-freezing temperatures 
  as low as 21 expected. For the second Freeze Warning, sub- 
  freezing temperatures as low as 26 expected.

* WHERE...Portions of Southeast Indiana, Northeast and Northern 
  Kentucky and South Central and Southwest Ohio.

* WHEN...For the first Freeze Warning, through 11 AM EDT Friday. 
  For the second Freeze Warning, from 11 PM Friday to 10 AM EDT 
  Saturday.

* IMPACTS...Freezing 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.

&&

$$
998 
WWUS71 KILN 020740
NPWILN

URGENT - WEATHER MESSAGE
National Weather Service Wilmington OH
340 AM EDT Fri Apr 2 2021

INZ073>075-080-KYZ089>100-OHZ077>079-081-088-021545-
/O.CON.KILN.FZ.W.0002.000000T0000Z-210402T1500Z/
/O.CON.KILN.FZ.W.0003.210403T0300Z-210403T1400Z/
Ripley-Dearborn-Ohio-Switzerland-Carroll-Gallatin-Boone-Kenton-
Campbell-Owen-Grant-Pendleton-Bracken-Robertson-Mason-Lewis-
Hamilton-Clermont-Brown-Adams-Scioto-
Including the cities of Batesville, Milan, Versailles, 
Lawrenceburg, Aurora, Rising Sun, Vevay, Carrollton, Warsaw, 
Florence, Burlington, Oakbrook, Covington, Erlanger, 
Independence, Newport, Alexandria, Owenton, Williamstown, 
Crittenden, Dry Ridge, Falmouth, Butler, Augusta, Brooksville, 
Mount Olivet, Maysville, Vanceburg, Tollesboro, Cincinnati, 
Milford, Georgetown, Mount Orab, West Union, Peebles, Portsmouth,
and Wheelersburg
340 AM EDT Fri Apr 2 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL 11 AM EDT THIS
MORNING...
...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
10 AM EDT SATURDAY...

* WHAT...For the first Freeze Warning, sub-freezing temperatures
  with lows in the lower 20s. For the second Freeze Warning, sub-
  freezing temperatures with lows in the middle and upper 20s.

* WHERE...Portions of Southeast Indiana, Northeast and Northern 
  Kentucky and South Central and Southwest Ohio.

* WHEN...For the first Freeze Warning, until 11 AM EDT this 
  morning. For the second Freeze Warning, from 11 PM this 
  evening to 10 AM EDT Saturday.

* 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.

&&

$$
073 
WWUS71 KILN 021503
NPWILN

URGENT - WEATHER MESSAGE
National Weather Service Wilmington OH
1103 AM EDT Fri Apr 2 2021

INZ073>075-080-KYZ089>100-OHZ077>079-081-088-022315-
/O.EXP.KILN.FZ.W.0002.000000T0000Z-210402T1500Z/
/O.CON.KILN.FZ.W.0003.210403T0300Z-210403T1400Z/
Ripley-Dearborn-Ohio-Switzerland-Carroll-Gallatin-Boone-Kenton-
Campbell-Owen-Grant-Pendleton-Bracken-Robertson-Mason-Lewis-
Hamilton-Clermont-Brown-Adams-Scioto-
Including the cities of Batesville, Milan, Versailles, 
Lawrenceburg, Aurora, Rising Sun, Vevay, Carrollton, Warsaw, 
Florence, Burlington, Oakbrook, Covington, Erlanger, 
Independence, Newport, Alexandria, Owenton, Williamstown, 
Crittenden, Dry Ridge, Falmouth, Butler, Augusta, Brooksville, 
Mount Olivet, Maysville, Vanceburg, Tollesboro, Cincinnati, 
Milford, Georgetown, Mount Orab, West Union, Peebles, Portsmouth,
and Wheelersburg
1103 AM EDT Fri Apr 2 2021

...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
10 AM EDT SATURDAY...
...FREEZE WARNING HAS EXPIRED...

* WHAT...Sub-freezing temperatures as low as 28 expected.

* WHERE...Portions of Southeast Indiana, Northeast and Northern 
  Kentucky and South Central and Southwest Ohio.

* WHEN...From 11 PM this evening to 10 AM EDT Saturday.

* 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.

&&

$$
445 
WWUS71 KILN 021928
NPWILN

URGENT - WEATHER MESSAGE
National Weather Service Wilmington OH
328 PM EDT Fri Apr 2 2021

INZ073>075-080-KYZ089>100-OHZ077>079-081-088-030330-
/O.CON.KILN.FZ.W.0003.210403T0300Z-210403T1400Z/
Ripley-Dearborn-Ohio-Switzerland-Carroll-Gallatin-Boone-Kenton-
Campbell-Owen-Grant-Pendleton-Bracken-Robertson-Mason-Lewis-
Hamilton-Clermont-Brown-Adams-Scioto-
Including the cities of Batesville, Milan, Versailles, 
Lawrenceburg, Aurora, Rising Sun, Vevay, Carrollton, Warsaw, 
Florence, Burlington, Oakbrook, Covington, Erlanger, 
Independence, Newport, Alexandria, Owenton, Williamstown, 
Crittenden, Dry Ridge, Falmouth, Butler, Augusta, Brooksville, 
Mount Olivet, Maysville, Vanceburg, Tollesboro, Cincinnati, 
Milford, Georgetown, Mount Orab, West Union, Peebles, Portsmouth,
and Wheelersburg
328 PM EDT Fri Apr 2 2021

...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
10 AM EDT SATURDAY...

* WHAT...Sub-freezing temperatures as low as 25 expected.

* WHERE...Portions of Southeast Indiana, Northeast and Northern 
  Kentucky and South Central and Southwest Ohio.

* WHEN...From 11 PM this evening to 10 AM EDT Saturday.

* 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.

&&

$$
497 
WWUS71 KILN 030144
NPWILN

URGENT - WEATHER MESSAGE
National Weather Service Wilmington OH
944 PM EDT Fri Apr 2 2021

INZ073>075-080-KYZ089>100-OHZ077>079-081-088-030945-
/O.CON.KILN.FZ.W.0003.210403T0300Z-210403T1400Z/
Ripley-Dearborn-Ohio-Switzerland-Carroll-Gallatin-Boone-Kenton-
Campbell-Owen-Grant-Pendleton-Bracken-Robertson-Mason-Lewis-
Hamilton-Clermont-Brown-Adams-Scioto-
Including the cities of Batesville, Milan, Versailles, 
Lawrenceburg, Aurora, Rising Sun, Vevay, Carrollton, Warsaw, 
Florence, Burlington, Oakbrook, Covington, Erlanger, 
Independence, Newport, Alexandria, Owenton, Williamstown, 
Crittenden, Dry Ridge, Falmouth, Butler, Augusta, Brooksville, 
Mount Olivet, Maysville, Vanceburg, Tollesboro, Cincinnati, 
Milford, Georgetown, Mount Orab, West Union, Peebles, Portsmouth,
and Wheelersburg
944 PM EDT Fri Apr 2 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT SATURDAY...

* WHAT...Sub-freezing temperatures as low as 25 expected.

* WHERE...Portions of Southeast Indiana, Northeast and Northern 
  Kentucky and South Central and Southwest Ohio.

* WHEN...From 11 PM this evening to 10 AM EDT Saturday.

* 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.

&&

$$
687 
WWUS71 KILN 030812
NPWILN

URGENT - WEATHER MESSAGE
National Weather Service Wilmington OH
412 AM EDT Sat Apr 3 2021

INZ073>075-080-KYZ089>100-OHZ077>079-081-088-031400-
/O.CON.KILN.FZ.W.0003.000000T0000Z-210403T1400Z/
Ripley-Dearborn-Ohio-Switzerland-Carroll-Gallatin-Boone-Kenton-
Campbell-Owen-Grant-Pendleton-Bracken-Robertson-Mason-Lewis-
Hamilton-Clermont-Brown-Adams-Scioto-
Including the cities of Batesville, Milan, Versailles, 
Lawrenceburg, Aurora, Rising Sun, Vevay, Carrollton, Warsaw, 
Florence, Burlington, Oakbrook, Covington, Erlanger, 
Independence, Newport, Alexandria, Owenton, Williamstown, 
Crittenden, Dry Ridge, Falmouth, Butler, Augusta, Brooksville, 
Mount Olivet, Maysville, Vanceburg, Tollesboro, Cincinnati, 
Milford, Georgetown, Mount Orab, West Union, Peebles, Portsmouth,
and Wheelersburg
412 AM EDT Sat Apr 3 2021

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

* WHAT...Sub-freezing temperatures in the mid and upper 20s.

* WHERE...Portions of Southeast Indiana, Northeast and Northern 
  Kentucky and South Central and Southwest Ohio.

* WHEN...Until 10 AM EDT 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.

&&

$$
734 
WWUS71 KILN 031401
NPWILN

URGENT - WEATHER MESSAGE
National Weather Service Wilmington OH
1001 AM EDT Sat Apr 3 2021

INZ073>075-080-KYZ089>100-OHZ077>079-081-088-031515-
/O.EXP.KILN.FZ.W.0003.000000T0000Z-210403T1400Z/
Ripley-Dearborn-Ohio-Switzerland-Carroll-Gallatin-Boone-Kenton-
Campbell-Owen-Grant-Pendleton-Bracken-Robertson-Mason-Lewis-
Hamilton-Clermont-Brown-Adams-Scioto-
Including the cities of Batesville, Milan, Versailles, 
Lawrenceburg, Aurora, Rising Sun, Vevay, Carrollton, Warsaw, 
Florence, Burlington, Oakbrook, Covington, Erlanger, 
Independence, Newport, Alexandria, Owenton, Williamstown, 
Crittenden, Dry Ridge, Falmouth, Butler, Augusta, Brooksville, 
Mount Olivet, Maysville, Vanceburg, Tollesboro, Cincinnati, 
Milford, Georgetown, Mount Orab, West Union, Peebles, Portsmouth,
and Wheelersburg
1001 AM EDT Sat Apr 3 2021

...FREEZE WARNING HAS EXPIRED...

Temperatures have warmed above freezing, thus the freeze warning
has been allowed to expire.

$$

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 1, 8:35 AM EDTSpecial Weather StatementILNPreble40 min
Apr 1, 9:17 AM EDTSpecial Weather StatementILNButler28 min

Nearby

Freeze Warnings in Kentucky, 2021Freeze Warnings in Ohio, 2021Freeze Warnings in Indiana, 2021Every freeze warning 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.