Alert archive / Kentucky / Frost Advisories in 2021

Frost Advisory 9, NWS Jackson, KY

November 2, 20218 counties in Kentucky

NWS Jackson, KY issued this frost advisory at Nov 2, 2021, 4:27 AM EDT for 8 counties in Kentucky. It took effect at Nov 3, 2021, 2:00 AM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Nov 2, 2021, 4:27 AM EDT (08:27 UTC)
In effect from
Nov 3, 2021, 2:00 AM EDT
Expired
Nov 3, 2021, 10:00 AM EDT
In force
8 hr
Issued by
NWS Jackson, KY

Counties Floyd County, KY, Harlan County, KY, Knott County, KY, Leslie County, KY, Letcher County, KY, Martin County, KY, Perry County, KY, Pike County, KY

The radar

The Jackson,KY radar (KJKL), 47 km from the middle of the area, began a volume at 08:29 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 00:00Z, 8.5 hours before the alert went out and 248 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 00:00Z on 2021-11-02Temperature 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 00:00Z on 2021-11-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
1744 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

820 
WWUS73 KJKL 020827
NPWJKL

URGENT - WEATHER MESSAGE
National Weather Service Jackson KY
427 AM EDT Tue Nov 2 2021

KYZ044-050>052-058>060-068-069-079-080-083>087-104-106>109-111-
112-114-116-021630-
/O.NEW.KJKL.FZ.W.0006.211103T0400Z-211103T1400Z/
Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle-
Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Elliott-
Morgan-Johnson-Wolfe-Magoffin-Lee-Breathitt-Owsley-Clay-
Including the cities of Flemingsburg, Camargo, Jeffersonville, 
Mount Sterling, Owingsville, Morehead, Irvine, Ravenna, 
Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee, 
Annville, Burnside, Somerset, London, Monticello, Stearns, 
Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro, 
Pineville, Sandy Hook, West Liberty, Paintsville, Campton, 
Salyersville, Beattyville, Jackson, Booneville, and Manchester
427 AM EDT Tue Nov 2 2021

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM EDT
WEDNESDAY...

* WHAT...Sub-freezing temperatures as low as 27 to 30 expected.

* WHERE...Portions of east central, northeast, south central and 
  southeast Kentucky.

* WHEN...From midnight tonight to 10 AM EDT Wednesday.

* 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.

&&

$$

KYZ088-110-113-115-117>120-021630-
/O.NEW.KJKL.FR.Y.0009.211103T0600Z-211103T1400Z/
Harlan-Floyd-Knott-Perry-Leslie-Letcher-Martin-Pike-
Including the cities of Cumberland, Harlan, Prestonsburg, 
Wheelwright, Hindman, Pippa Passes, Hazard, Hyden, Jenkins, 
Whitesburg, Inez, Coal Run, Elkhorn City, Pikeville, 
and South Williamson
427 AM EDT Tue Nov 2 2021

...FROST ADVISORY IN EFFECT FROM 2 AM TO 10 AM EDT WEDNESDAY...

* WHAT...Temperatures as low as 30 to 32 will result in frost 
  formation.

* WHERE...Harlan, Floyd, Knott, Perry, Leslie, Letcher, Martin 
  and Pike Counties.

* WHEN...From 2 AM to 10 AM EDT Wednesday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if left
  uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

BATZ/JP
5 follow-up statements
442 
WWUS73 KJKL 021613
NPWJKL

URGENT - WEATHER MESSAGE
National Weather Service Jackson KY
1213 PM EDT Tue Nov 2 2021

KYZ044-050>052-058>060-068-069-079-080-083>087-104-106>109-111-
112-114-116-022230-
/O.CON.KJKL.FZ.W.0006.211103T0400Z-211103T1400Z/
Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle-
Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Elliott-
Morgan-Johnson-Wolfe-Magoffin-Lee-Breathitt-Owsley-Clay-
Including the cities of Flemingsburg, Camargo, Jeffersonville, 
Mount Sterling, Owingsville, Morehead, Irvine, Ravenna, 
Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee, 
Annville, Burnside, Somerset, London, Monticello, Stearns, 
Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro, 
Pineville, Sandy Hook, West Liberty, Paintsville, Campton, 
Salyersville, Beattyville, Jackson, Booneville, and Manchester
1213 PM EDT Tue Nov 2 2021

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
10 AM EDT WEDNESDAY...

* WHAT...Sub-freezing temperatures as low as 27 to 31 expected.

* WHERE...Portions of east central, northeast, south central and 
  southeast Kentucky.

* WHEN...From midnight tonight to 10 AM EDT Wednesday.

* 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.

&&

$$

KYZ088-110-113-115-117>120-022230-
/O.CON.KJKL.FR.Y.0009.211103T0600Z-211103T1400Z/
Harlan-Floyd-Knott-Perry-Leslie-Letcher-Martin-Pike-
Including the cities of Cumberland, Harlan, Prestonsburg, 
Wheelwright, Hindman, Pippa Passes, Hazard, Hyden, Jenkins, 
Whitesburg, Inez, Coal Run, Elkhorn City, Pikeville, 
and South Williamson
1213 PM EDT Tue Nov 2 2021

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 10 AM EDT
WEDNESDAY...

* WHAT...Temperatures as low as 30 to 32 will result in frost 
  formation.

* WHERE...Harlan, Floyd, Knott, Perry, Leslie, Letcher, Martin 
  and Pike Counties.

* WHEN...From 2 AM to 10 AM EDT Wednesday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

BATZ/JP/RAY
865 
WWUS73 KJKL 022030
NPWJKL

URGENT - WEATHER MESSAGE
National Weather Service Jackson KY
430 PM EDT Tue Nov 2 2021

KYZ044-050>052-058>060-068-069-079-080-083>087-104-106>109-111-
112-114-116-030400-
/O.CON.KJKL.FZ.W.0006.211103T0400Z-211103T1400Z/
Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle-
Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Elliott-
Morgan-Johnson-Wolfe-Magoffin-Lee-Breathitt-Owsley-Clay-
Including the cities of Flemingsburg, Camargo, Jeffersonville, 
Mount Sterling, Owingsville, Morehead, Irvine, Ravenna, 
Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee, 
Annville, Burnside, Somerset, London, Monticello, Stearns, 
Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro, 
Pineville, Sandy Hook, West Liberty, Paintsville, Campton, 
Salyersville, Beattyville, Jackson, Booneville, and Manchester
430 PM EDT Tue Nov 2 2021

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
10 AM EDT WEDNESDAY...

* WHAT...Temperatures as low as 27 to 32 expected.

* WHERE...Portions of east central, northeast, south central and 
  southeast Kentucky.

* WHEN...From midnight tonight to 10 AM EDT Wednesday.

* 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.

&&

$$

KYZ088-110-113-115-117>120-030400-
/O.CON.KJKL.FR.Y.0009.211103T0600Z-211103T1400Z/
Harlan-Floyd-Knott-Perry-Leslie-Letcher-Martin-Pike-
Including the cities of Cumberland, Harlan, Prestonsburg, 
Wheelwright, Hindman, Pippa Passes, Hazard, Hyden, Jenkins, 
Whitesburg, Inez, Coal Run, Elkhorn City, Pikeville, 
and South Williamson
430 PM EDT Tue Nov 2 2021

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 10 AM EDT
WEDNESDAY...

* WHAT...Temperatures as low as 30 to 32 will result in frost 
  formation.

* WHERE...Harlan, Floyd, Knott, Perry, Leslie, Letcher, Martin 
  and Pike Counties.

* WHEN...From 2 AM to 10 AM EDT Wednesday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

RAY
361 
WWUS73 KJKL 030321 AAA
NPWJKL

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service Jackson KY
1121 PM EDT Tue Nov 2 2021

KYZ044-050>052-058>060-068-069-079-080-083>087-104-106>109-111-
112-114-116-031130-
/O.CON.KJKL.FZ.W.0006.211103T0400Z-211103T1400Z/
Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle-
Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Elliott-
Morgan-Johnson-Wolfe-Magoffin-Lee-Breathitt-Owsley-Clay-
Including the cities of Flemingsburg, Camargo, Jeffersonville, 
Mount Sterling, Owingsville, Morehead, Irvine, Ravenna, 
Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee, 
Annville, Burnside, Somerset, London, Monticello, Stearns, 
Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro, 
Pineville, Sandy Hook, West Liberty, Paintsville, Campton, 
Salyersville, Beattyville, Jackson, Booneville, and Manchester
1121 PM EDT Tue Nov 2 2021

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

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

* WHERE...Portions of east central, northeast, south central and 
  southeast Kentucky.

* WHEN...Until 10 AM EDT Wednesday.

* 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.

&&

$$

KYZ088-110-113-115-117>120-031130-
/O.CON.KJKL.FR.Y.0009.211103T0600Z-211103T1400Z/
Harlan-Floyd-Knott-Perry-Leslie-Letcher-Martin-Pike-
Including the cities of Cumberland, Harlan, Prestonsburg, 
Wheelwright, Hindman, Pippa Passes, Hazard, Hyden, Jenkins, 
Whitesburg, Inez, Coal Run, Elkhorn City, Pikeville, 
and South Williamson
1121 PM EDT Tue Nov 2 2021

...FROST ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT WEDNESDAY...

* WHAT...Temperatures as low as 30 will result in frost 
  formation.

* WHERE...Letcher, Martin, Knott, Floyd, Leslie, Perry, Harlan 
  and Pike Counties.

* WHEN...Until 10 AM EDT Wednesday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$
AR
967 
WWUS73 KJKL 031015
NPWJKL

URGENT - WEATHER MESSAGE
National Weather Service Jackson KY
615 AM EDT Wed Nov 3 2021

KYZ044-050>052-058>060-068-069-079-080-083>087-104-106>109-111-
112-114-116-031400-
/O.CON.KJKL.FZ.W.0006.000000T0000Z-211103T1400Z/
Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle-
Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Elliott-
Morgan-Johnson-Wolfe-Magoffin-Lee-Breathitt-Owsley-Clay-
Including the cities of Flemingsburg, Camargo, Jeffersonville, 
Mount Sterling, Owingsville, Morehead, Irvine, Ravenna, 
Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee, 
Annville, Burnside, Somerset, London, Monticello, Stearns, 
Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro, 
Pineville, Sandy Hook, West Liberty, Paintsville, Campton, 
Salyersville, Beattyville, Jackson, Booneville, and Manchester
615 AM EDT Wed Nov 3 2021

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

* WHAT...Sub-freezing temperatures as low as 27 expected.

* WHERE...Portions of east central, northeast, south central and 
  southeast Kentucky.

* WHEN...Until 10 AM EDT Wednesday.

* 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.

&&

$$

KYZ088-110-113-115-117>120-031400-
/O.CON.KJKL.FR.Y.0009.000000T0000Z-211103T1400Z/
Harlan-Floyd-Knott-Perry-Leslie-Letcher-Martin-Pike-
Including the cities of Cumberland, Harlan, Prestonsburg, 
Wheelwright, Hindman, Pippa Passes, Hazard, Hyden, Jenkins, 
Whitesburg, Inez, Coal Run, Elkhorn City, Pikeville, 
and South Williamson
615 AM EDT Wed Nov 3 2021

...FROST ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

* WHAT...Temperatures as low as 30 will result in frost 
  formation.

* WHERE...Letcher, Martin, Knott, Floyd, Leslie, Perry, Harlan 
  and Pike Counties.

* WHEN...Until 10 AM EDT Wednesday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

BATZ/JP
851 
WWUS73 KJKL 031352
NPWJKL

URGENT - WEATHER MESSAGE
National Weather Service Jackson KY
952 AM EDT Wed Nov 3 2021

KYZ044-050>052-058>060-068-069-079-080-083>087-104-106>109-111-
112-114-116-031500-
/O.EXP.KJKL.FZ.W.0006.000000T0000Z-211103T1400Z/
Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle-
Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Elliott-
Morgan-Johnson-Wolfe-Magoffin-Lee-Breathitt-Owsley-Clay-
Including the cities of Flemingsburg, Camargo, Jeffersonville, 
Mount Sterling, Owingsville, Morehead, Irvine, Ravenna, 
Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee, 
Annville, Burnside, Somerset, London, Monticello, Stearns, 
Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro, 
Pineville, Sandy Hook, West Liberty, Paintsville, Campton, 
Salyersville, Beattyville, Jackson, Booneville, and Manchester
952 AM EDT Wed Nov 3 2021

...FREEZE WARNING WILL EXPIRE AT 10 AM EDT THIS MORNING...

Temperatures will continue to climb above freezing and frost will
burn off over the next hour or two. Therefore, the Freeze Warning
will be allowed to expire.

$$

KYZ088-110-113-115-117>120-031500-
/O.EXP.KJKL.FR.Y.0009.000000T0000Z-211103T1400Z/
Harlan-Floyd-Knott-Perry-Leslie-Letcher-Martin-Pike-
Including the cities of Cumberland, Harlan, Prestonsburg, 
Wheelwright, Hindman, Pippa Passes, Hazard, Hyden, Jenkins, 
Whitesburg, Inez, Coal Run, Elkhorn City, Pikeville, 
and South Williamson
952 AM EDT Wed Nov 3 2021

...FROST ADVISORY WILL EXPIRE AT 10 AM EDT THIS MORNING...

Temperatures will continue to climb above freezing and frost will
burn off over the next hour or two. Therefore, the Freeze Warning
will be allowed to expire.

$$

DJ

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 2, 4:27 AM EDTFreeze WarningJKLBath, Bell, Breathitt, Clay, Elliott, Estill and 19 more30 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.