Alert archive / Tennessee / Frost Advisories in 2021

Frost Advisory 9, NWS Morristown, TN

November 4, 202116 counties in Tennessee; Cherokee County, Clay County, North Carolina

NWS Morristown, TN issued this frost advisory at Nov 4, 2021, 2:59 AM EDT for 16 counties in Tennessee; Cherokee County, Clay County, North Carolina. It took effect at Nov 5, 2021, 2:00 AM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Nov 4, 2021, 2:59 AM EDT (06:59 UTC)
In effect from
Nov 5, 2021, 2:00 AM EDT
Expired
Nov 5, 2021, 10:00 AM EDT
In force
8 hr
Issued by
NWS Morristown, TN

Counties Cherokee County, NC, Clay County, NC, Anderson County, TN, Blount County, TN, Bradley County, TN, Cocke County, TN, Hamilton County, TN, Jefferson County, TN, Knox County, TN, Loudon County, TN, Marion County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Polk County, TN, Rhea County, TN, Roane County, TN, Sevier County, TN

The radar

The Knoxville radar (KMRX), 107 km from the middle of the area, began a volume at 07:01 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, 7.0 hours before the alert went out and 216 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 2021-11-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 2021-11-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.1939587897117Sfc1 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
1509 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
3 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.

321 
WWUS74 KMRX 040659
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
259 AM EDT Thu Nov 4 2021

TNZ012>015-035-VAZ001-002-005-006-041800-
/O.NEW.KMRX.FZ.W.0008.211105T0400Z-211105T1400Z/
/O.CON.KMRX.FZ.W.0007.000000T0000Z-211104T1400Z/
Scott-Campbell-Claiborne-Hancock-Morgan-Lee-Wise-Russell-
Including the cities of Big South Fork National, Oneida, 
Smokey Junction, Elgin, Huntsville, Norma, Slick Rock, Fincastle,
La Follette, Elk Valley, Jellico, White Oak, Caryville, 
Royal Blue, Lone Mountain, Sandlick, Springdale, Arthur, 
Harrogate-Shawanee, Clairfield, Howard Quarter, Evanston, 
Sneedville, Treadway, Kyles Ford, Pine Orchard, High Point, 
Petros, Rose Hill, Big Stone Gap, Norton, Wise, Coeburn, 
Appalachia, Pardee, Hiltons, Hansonville, Lebanon, Dye, 
Castlewood, Honaker, and Rosedale
259 AM EDT Thu Nov 4 2021

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

* WHAT...For the first Freeze Warning, sub-freezing temperatures 
  as low as 31. For the second Freeze Warning, sub-freezing 
  temperatures as low as 28 expected.

* WHERE...Portions of east Tennessee and southwest Virginia.

* WHEN...For the first Freeze Warning, until 10 AM EDT this 
  morning. For the second Freeze Warning, from midnight tonight 
  to 10 AM EDT Friday.

* IMPACTS...Frost and freeze conditions could kill crops and 
  other sensitive vegetation.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. Those that
have in-ground sprinkler systems should drain them and cover
above-ground pipes to protect them from freezing.

&&

$$

TNZ037-VAZ008-041800-
/O.NEW.KMRX.FZ.W.0008.211105T0400Z-211105T1400Z/
/O.CON.KMRX.FR.Y.0008.000000T0000Z-211104T1400Z/
Union-Washington-
Including the cities of Maynardville, Norris Lake, Paulette, 
Rose Hill, Sharps Chapel, Luttrell, Benhams, Bristol VA, 
and Abingdon
259 AM EDT Thu Nov 4 2021

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

* WHAT...For the Freeze Warning, sub-freezing temperatures as 
  low as 28 expected. For the Frost Advisory, temperatures as 
  low as 36 will result in frost formation.

* WHERE...In Tennessee, Union County. In Virginia, Washington 
  County.

* WHEN...For the Freeze Warning, from midnight tonight to 10 AM 
  EDT Friday. For the Frost Advisory, until 10 AM EDT this 
  morning.

* IMPACTS...Frost and freeze conditions could kill crops and other
  sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. Those that
have in-ground sprinkler systems should drain them and cover
above-ground pipes to protect them from freezing.

&&

$$

TNZ016>018-038-039-041>047-072-074-081-082-087-041800-
/O.NEW.KMRX.FZ.W.0008.211105T0400Z-211105T1400Z/
Hawkins-Sullivan-Johnson-Grainger-Hamblen-Cocke Smoky Mountains-
Northwest Greene-Southeast Greene-Washington-Unicoi-
Northwest Carter-Southeast Carter-Blount Smoky Mountains-
Sevier Smoky Mountains-Sequatchie-Bledsoe-Southeast Monroe-
Including the cities of Mooresburg, Kingsport, Bristol TN, 
South Holston Dam, Doeville, Mountain City, Neva, Shady Valley, 
Trade, Laurel Bloomery, Bean Station, Alpha, Morristown, 
Russellville, Hartford, Greeneville, Cedar Creek, Johnson City, 
Erwin, Unicoi, Limestone Cove, Elizabethton, Hampton, Cades Cove,
Elkmont, Gatlinburg, Cagle, Dunlap, Cartwright, Lone Oak, 
Old Cumberland, Palio, Melvine, Mount Crest, Pikeville, Brayton, 
Citico, and Coker Creek
259 AM EDT Thu Nov 4 2021 /159 AM CDT Thu Nov 4 2021/

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

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

* WHERE...Portions of east Tennessee.

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

* IMPACTS...Frost and freeze conditions could kill crops and other
  sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. Those that
have in-ground sprinkler systems should drain them and cover
above-ground pipes to protect them from freezing.

&&

$$

TNZ036-041800-
/O.NEW.KMRX.FR.Y.0009.211105T0600Z-211105T1400Z/
/O.CON.KMRX.FR.Y.0008.000000T0000Z-211104T1400Z/
Anderson-
Including the cities of Oak Ridge and Clinton
259 AM EDT Thu Nov 4 2021

...FROST ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...
...FROST ADVISORY IN EFFECT FROM 2 AM TO 10 AM EDT FRIDAY...

* WHAT...For the first Frost Advisory, temperatures as low as 36 
  will result in frost formation. For the second Frost Advisory, 
  temperatures as low as 33 will result in frost formation.

* WHERE...Anderson County.

* WHEN...For the first Frost Advisory, until 10 AM EDT this 
  morning. For the second Frost Advisory, from 2 AM to 10 AM EDT 
  Friday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

TNZ040-067>071-073-083>086-041800-
/O.NEW.KMRX.FR.Y.0009.211105T0600Z-211105T1400Z/
Northwest Cocke-Roane-Loudon-Knox-Jefferson-Northwest Blount-
North Sevier-Rhea-Meigs-McMinn-Northwest Monroe-
Including the cities of Bybee, Newport, Harriman, Eagle Furnace, 
Rockwood, Bradbury, Fairview, Kingston, Oliver Springs, 
Lenoir City, Loudon, Bearden, Knoxville, Lake Forest, 
Jefferson City, Strawberry Plains, Chestnut Hill, Dandridge, 
White Pine, Maryville, Alcoa, Harrisburg, Kodak, McMahan, 
Sevierville, Seymour, Pigeon Forge, Dayton, Evensville, 
Old Washington, Grandview, Spring City, Big Spring, Athens, 
Clear Water, Dentville, Etowah, Sweetwater, Madisonville, 
and Bullet Creek
259 AM EDT Thu Nov 4 2021

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

* WHAT...Temperatures as low as 34 will result in frost 
  formation.

* WHERE...Portions of east Tennessee.

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

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

NCZ060-061-TNZ098>102-041800-
/O.NEW.KMRX.FR.Y.0009.211105T0800Z-211105T1400Z/
Cherokee-Clay-Marion-Hamilton-Bradley-West Polk-East Polk-
Including the cities of Andrews, Marble, Topton, Hiawasse Dam, 
Murphy, Unaka, Violet, Shooting Creek, Brasstown, Hayesville, 
Tusquitee, South Pittsburg, Haletown (Guild), Jasper, 
Martin Springs, Whitwell, Powells Crossroads, Monteagle, 
Chattanooga, Cleveland, Tasso, Conasauga, Archville, Benton, 
Parksville, Reliance, Big Frog Mountain, Ducktown, and Turtletown
259 AM EDT Thu Nov 4 2021 /159 AM CDT Thu Nov 4 2021/

...FROST ADVISORY IN EFFECT FROM 4 AM EDT /3 AM CDT/ TO 10 AM EDT
/9 AM CDT/ FRIDAY...

* WHAT...Temperatures as low as 34 will result in frost 
  formation.

* WHERE...Portions of east Tennessee and southwest North 
  Carolina.

* WHEN...From 4 AM EDT /3 AM CDT/ to 10 AM EDT /9 AM CDT/ Friday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$
5 follow-up statements
094 
WWUS74 KMRX 041433
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
1033 AM EDT Thu Nov 4 2021

TNZ012>018-035-037>039-041>047-072-074-081-082-087-VAZ001-002-005-
006-008-042245-
/O.CON.KMRX.FZ.W.0008.211105T0400Z-211105T1400Z/
Scott-Campbell-Claiborne-Hancock-Hawkins-Sullivan-Johnson-Morgan-
Union-Grainger-Hamblen-Cocke Smoky Mountains-Northwest Greene-
Southeast Greene-Washington-Unicoi-Northwest Carter-
Southeast Carter-Blount Smoky Mountains-Sevier Smoky Mountains-
Sequatchie-Bledsoe-Southeast Monroe-Lee-Wise-Russell-
Including the cities of Big South Fork National, Oneida, 
Smokey Junction, Elgin, Huntsville, Norma, Slick Rock, Fincastle,
La Follette, Elk Valley, Jellico, White Oak, Caryville, 
Royal Blue, Lone Mountain, Sandlick, Springdale, Arthur, 
Harrogate-Shawanee, Clairfield, Howard Quarter, Evanston, 
Sneedville, Treadway, Kyles Ford, Mooresburg, Kingsport, 
Bristol TN, South Holston Dam, Doeville, Mountain City, Neva, 
Shady Valley, Trade, Laurel Bloomery, Pine Orchard, High Point, 
Petros, Maynardville, Norris Lake, Paulette, Rose Hill, 
Sharps Chapel, Luttrell, Bean Station, Alpha, Morristown, 
Russellville, Hartford, Greeneville, Cedar Creek, Johnson City, 
Erwin, Unicoi, Limestone Cove, Elizabethton, Hampton, Cades Cove,
Elkmont, Gatlinburg, Cagle, Dunlap, Cartwright, Lone Oak, 
Old Cumberland, Palio, Melvine, Mount Crest, Pikeville, Brayton, 
Citico, Coker Creek, Big Stone Gap, Norton, Wise, Coeburn, 
Appalachia, Pardee, Hiltons, Hansonville, Lebanon, Dye, 
Castlewood, Honaker, Rosedale, Benhams, Bristol VA, and Abingdon
1033 AM EDT Thu Nov 4 2021 /933 AM CDT Thu Nov 4 2021/

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

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

* WHERE...Portions of east Tennessee and southwest Virginia.

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

* IMPACTS...Frost and freeze conditions could kill crops and 
  other sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. Those that
have in-ground sprinkler systems should drain them and cover
above-ground pipes to protect them from freezing.

&&

$$

TNZ036-040-067>071-073-083>086-042245-
/O.CON.KMRX.FR.Y.0009.211105T0600Z-211105T1400Z/
Anderson-Northwest Cocke-Roane-Loudon-Knox-Jefferson-
Northwest Blount-North Sevier-Rhea-Meigs-McMinn-Northwest Monroe-
Including the cities of Oak Ridge, Clinton, Bybee, Newport, 
Harriman, Eagle Furnace, Rockwood, Bradbury, Fairview, Kingston, 
Oliver Springs, Lenoir City, Loudon, Bearden, Knoxville, 
Lake Forest, Jefferson City, Strawberry Plains, Chestnut Hill, 
Dandridge, White Pine, Maryville, Alcoa, Harrisburg, Kodak, 
McMahan, Sevierville, Seymour, Pigeon Forge, Dayton, Evensville, 
Old Washington, Grandview, Spring City, Big Spring, Athens, 
Clear Water, Dentville, Etowah, Sweetwater, Madisonville, 
and Bullet Creek
1033 AM EDT Thu Nov 4 2021

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

* WHAT...Temperatures as low as 34 will result in frost 
  formation.

* WHERE...Portions of east Tennessee.

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

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

NCZ060-061-TNZ098>102-042245-
/O.CON.KMRX.FR.Y.0009.211105T0800Z-211105T1400Z/
Cherokee-Clay-Marion-Hamilton-Bradley-West Polk-East Polk-
Including the cities of Andrews, Marble, Topton, Hiawasse Dam, 
Murphy, Unaka, Violet, Shooting Creek, Brasstown, Hayesville, 
Tusquitee, South Pittsburg, Haletown (Guild), Jasper, 
Martin Springs, Whitwell, Powells Crossroads, Monteagle, 
Chattanooga, Cleveland, Tasso, Conasauga, Archville, Benton, 
Parksville, Reliance, Big Frog Mountain, Ducktown, and Turtletown
1033 AM EDT Thu Nov 4 2021 /933 AM CDT Thu Nov 4 2021/

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM EDT /3 AM CDT/ TO
10 AM EDT /9 AM CDT/ FRIDAY...

* WHAT...Temperatures as low as 34 will result in frost 
  formation.

* WHERE...Portions of east Tennessee and southwest North 
  Carolina.

* WHEN...From 4 AM EDT /3 AM CDT/ to 10 AM EDT /9 AM CDT/ Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$
822 
WWUS74 KMRX 041922
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
322 PM EDT Thu Nov 4 2021

TNZ012>018-035-037>039-041>047-072-074-081-082-087-VAZ001-002-005-
006-008-050800-
/O.CON.KMRX.FZ.W.0008.211105T0400Z-211105T1400Z/
Scott-Campbell-Claiborne-Hancock-Hawkins-Sullivan-Johnson-Morgan-
Union-Grainger-Hamblen-Cocke Smoky Mountains-Northwest Greene-
Southeast Greene-Washington-Unicoi-Northwest Carter-
Southeast Carter-Blount Smoky Mountains-Sevier Smoky Mountains-
Sequatchie-Bledsoe-Southeast Monroe-Lee-Wise-Russell-
Including the cities of Big South Fork National, Oneida, 
Smokey Junction, Elgin, Huntsville, Norma, Slick Rock, Fincastle,
La Follette, Elk Valley, Jellico, White Oak, Caryville, 
Royal Blue, Lone Mountain, Sandlick, Springdale, Arthur, 
Harrogate-Shawanee, Clairfield, Howard Quarter, Evanston, 
Sneedville, Treadway, Kyles Ford, Mooresburg, Kingsport, 
Bristol TN, South Holston Dam, Doeville, Mountain City, Neva, 
Shady Valley, Trade, Laurel Bloomery, Pine Orchard, High Point, 
Petros, Maynardville, Norris Lake, Paulette, Rose Hill, 
Sharps Chapel, Luttrell, Bean Station, Alpha, Morristown, 
Russellville, Hartford, Greeneville, Cedar Creek, Johnson City, 
Erwin, Unicoi, Limestone Cove, Elizabethton, Hampton, Cades Cove,
Elkmont, Gatlinburg, Cagle, Dunlap, Cartwright, Lone Oak, 
Old Cumberland, Palio, Melvine, Mount Crest, Pikeville, Brayton, 
Citico, Coker Creek, Big Stone Gap, Norton, Wise, Coeburn, 
Appalachia, Pardee, Hiltons, Hansonville, Lebanon, Dye, 
Castlewood, Honaker, Rosedale, Benhams, Bristol VA, and Abingdon
322 PM EDT Thu Nov 4 2021 /222 PM CDT Thu Nov 4 2021/

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

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

* WHERE...Portions of east Tennessee and southwest Virginia.

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

* IMPACTS...Frost and freeze conditions could kill crops and 
  other sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. Those that
have in-ground sprinkler systems should drain them and cover
above-ground pipes to protect them from freezing.

&&

$$

TNZ036-040-067>071-073-083>086-050800-
/O.CON.KMRX.FR.Y.0009.211105T0600Z-211105T1400Z/
Anderson-Northwest Cocke-Roane-Loudon-Knox-Jefferson-
Northwest Blount-North Sevier-Rhea-Meigs-McMinn-Northwest Monroe-
Including the cities of Oak Ridge, Clinton, Bybee, Newport, 
Harriman, Eagle Furnace, Rockwood, Bradbury, Fairview, Kingston, 
Oliver Springs, Lenoir City, Loudon, Bearden, Knoxville, 
Lake Forest, Jefferson City, Strawberry Plains, Chestnut Hill, 
Dandridge, White Pine, Maryville, Alcoa, Harrisburg, Kodak, 
McMahan, Sevierville, Seymour, Pigeon Forge, Dayton, Evensville, 
Old Washington, Grandview, Spring City, Big Spring, Athens, 
Clear Water, Dentville, Etowah, Sweetwater, Madisonville, 
and Bullet Creek
322 PM EDT Thu Nov 4 2021

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

* WHAT...Temperatures as low as 34 will result in frost 
  formation.

* WHERE...Portions of east Tennessee.

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

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

NCZ060-061-TNZ098>102-050800-
/O.CON.KMRX.FR.Y.0009.211105T0800Z-211105T1400Z/
Cherokee-Clay-Marion-Hamilton-Bradley-West Polk-East Polk-
Including the cities of Andrews, Marble, Topton, Hiawasse Dam, 
Murphy, Unaka, Violet, Shooting Creek, Brasstown, Hayesville, 
Tusquitee, South Pittsburg, Haletown (Guild), Jasper, 
Martin Springs, Whitwell, Powells Crossroads, Monteagle, 
Chattanooga, Cleveland, Tasso, Conasauga, Archville, Benton, 
Parksville, Reliance, Big Frog Mountain, Ducktown, and Turtletown
322 PM EDT Thu Nov 4 2021 /222 PM CDT Thu Nov 4 2021/

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM EDT /3 AM CDT/ TO
10 AM EDT /9 AM CDT/ FRIDAY...

* WHAT...Temperatures as low as 34 will result in frost 
  formation.

* WHERE...Portions of east Tennessee and southwest North 
  Carolina.

* WHEN...From 4 AM EDT /3 AM CDT/ to 10 AM EDT /9 AM CDT/ Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$
768 
WWUS74 KMRX 050707
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
307 AM EDT Fri Nov 5 2021

TNZ012>018-035-037>039-041>047-072-074-081-082-087-VAZ001-002-005-
006-008-051400-
/O.CON.KMRX.FZ.W.0008.000000T0000Z-211105T1400Z/
Scott-Campbell-Claiborne-Hancock-Hawkins-Sullivan-Johnson-Morgan-
Union-Grainger-Hamblen-Cocke Smoky Mountains-Northwest Greene-
Southeast Greene-Washington-Unicoi-Northwest Carter-
Southeast Carter-Blount Smoky Mountains-Sevier Smoky Mountains-
Sequatchie-Bledsoe-Southeast Monroe-Lee-Wise-Russell-
Including the cities of Big South Fork National, Oneida, 
Smokey Junction, Elgin, Huntsville, Norma, Slick Rock, Fincastle,
La Follette, Elk Valley, Jellico, White Oak, Caryville, 
Royal Blue, Lone Mountain, Sandlick, Springdale, Arthur, 
Harrogate-Shawanee, Clairfield, Howard Quarter, Evanston, 
Sneedville, Treadway, Kyles Ford, Mooresburg, Kingsport, 
Bristol TN, South Holston Dam, Doeville, Mountain City, Neva, 
Shady Valley, Trade, Laurel Bloomery, Pine Orchard, High Point, 
Petros, Maynardville, Norris Lake, Paulette, Rose Hill, 
Sharps Chapel, Luttrell, Bean Station, Alpha, Morristown, 
Russellville, Hartford, Greeneville, Cedar Creek, Johnson City, 
Erwin, Unicoi, Limestone Cove, Elizabethton, Hampton, Cades Cove,
Elkmont, Gatlinburg, Cagle, Dunlap, Cartwright, Lone Oak, 
Old Cumberland, Palio, Melvine, Mount Crest, Pikeville, Brayton, 
Citico, Coker Creek, Big Stone Gap, Norton, Wise, Coeburn, 
Appalachia, Pardee, Hiltons, Hansonville, Lebanon, Dye, 
Castlewood, Honaker, Rosedale, Benhams, Bristol VA, and Abingdon
307 AM EDT Fri Nov 5 2021 /207 AM CDT Fri Nov 5 2021/

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

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

* WHERE...Portions of east Tennessee and southwest Virginia.

* WHEN...Through 10 AM this morning.

* IMPACTS...Frost and freeze conditions could kill crops and 
  other sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. Those that
have in-ground sprinkler systems should drain them and cover
above-ground pipes to protect them from freezing.

&&

$$

TNZ036-040-067>071-073-083>086-051400-
/O.CON.KMRX.FR.Y.0009.000000T0000Z-211105T1400Z/
Anderson-Northwest Cocke-Roane-Loudon-Knox-Jefferson-
Northwest Blount-North Sevier-Rhea-Meigs-McMinn-Northwest Monroe-
Including the cities of Oak Ridge, Clinton, Bybee, Newport, 
Harriman, Eagle Furnace, Rockwood, Bradbury, Fairview, Kingston, 
Oliver Springs, Lenoir City, Loudon, Bearden, Knoxville, 
Lake Forest, Jefferson City, Strawberry Plains, Chestnut Hill, 
Dandridge, White Pine, Maryville, Alcoa, Harrisburg, Kodak, 
McMahan, Sevierville, Seymour, Pigeon Forge, Dayton, Evensville, 
Old Washington, Grandview, Spring City, Big Spring, Athens, 
Clear Water, Dentville, Etowah, Sweetwater, Madisonville, 
and Bullet Creek
307 AM EDT Fri Nov 5 2021

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

* WHAT...Temperatures as low as 34 will result in frost 
  formation.

* WHERE...Portions of east Tennessee.

* WHEN...Through 10 AM EDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

NCZ060-061-TNZ098>102-051400-
/O.CON.KMRX.FR.Y.0009.211105T0800Z-211105T1400Z/
Cherokee-Clay-Marion-Hamilton-Bradley-West Polk-East Polk-
Including the cities of Andrews, Marble, Topton, Hiawasse Dam, 
Murphy, Unaka, Violet, Shooting Creek, Brasstown, Hayesville, 
Tusquitee, South Pittsburg, Haletown (Guild), Jasper, 
Martin Springs, Whitwell, Powells Crossroads, Monteagle, 
Chattanooga, Cleveland, Tasso, Conasauga, Archville, Benton, 
Parksville, Reliance, Big Frog Mountain, Ducktown, and Turtletown
307 AM EDT Fri Nov 5 2021 /207 AM CDT Fri Nov 5 2021/

...FROST ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT /9 AM CDT/
THIS MORNING...

* WHAT...Temperatures as low as 34 will result in frost 
  formation.

* WHERE...Portions of east Tennessee and southwest North 
  Carolina.

* WHEN...Through 10 AM EDT /9 AM CDT/ Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$
360 
WWUS74 KMRX 050758
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
358 AM EDT Fri Nov 5 2021

TNZ016-017-037>039-042-044-081-082-051400-
/O.NEW.KMRX.FG.Y.0009.211105T0758Z-211105T1400Z/
/O.CON.KMRX.FZ.W.0008.000000T0000Z-211105T1400Z/
Hawkins-Sullivan-Union-Grainger-Hamblen-Northwest Greene-
Washington-Sequatchie-Bledsoe-
Including the cities of Mooresburg, Kingsport, Bristol TN, 
South Holston Dam, Maynardville, Norris Lake, Paulette, 
Rose Hill, Sharps Chapel, Luttrell, Bean Station, Alpha, 
Morristown, Russellville, Greeneville, Johnson City, Cagle, 
Dunlap, Cartwright, Lone Oak, Old Cumberland, Palio, Melvine, 
Mount Crest, Pikeville, and Brayton
358 AM EDT Fri Nov 5 2021 /258 AM CDT Fri Nov 5 2021/

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

* WHAT...For the Freeze Warning, sub-freezing temperatures as 
  low as 30. For the Dense Fog Advisory, visibility less than 
  one mile in dense fog.

* WHERE...Portions of east Tennessee.

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

* IMPACTS...Frost and freeze conditions could kill crops and 
  other sensitive vegetation. Hazardous driving conditions due 
  to low visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. Those that
have in-ground sprinkler systems should drain them and cover
above-ground pipes to protect them from freezing.

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

TNZ012>015-018-035-041-043-045>047-072-074-087-VAZ001-002-005-006-
008-051400-
/O.CON.KMRX.FZ.W.0008.000000T0000Z-211105T1400Z/
Scott-Campbell-Claiborne-Hancock-Johnson-Morgan-
Cocke Smoky Mountains-Southeast Greene-Unicoi-Northwest Carter-
Southeast Carter-Blount Smoky Mountains-Sevier Smoky Mountains-
Southeast Monroe-Lee-Wise-Russell-Washington-
Including the cities of Big South Fork National, Oneida, 
Smokey Junction, Elgin, Huntsville, Norma, Slick Rock, Fincastle,
La Follette, Elk Valley, Jellico, White Oak, Caryville, 
Royal Blue, Lone Mountain, Sandlick, Springdale, Arthur, 
Harrogate-Shawanee, Clairfield, Howard Quarter, Evanston, 
Sneedville, Treadway, Kyles Ford, Doeville, Mountain City, Neva, 
Shady Valley, Trade, Laurel Bloomery, Pine Orchard, High Point, 
Petros, Hartford, Cedar Creek, Erwin, Unicoi, Limestone Cove, 
Elizabethton, Hampton, Cades Cove, Elkmont, Gatlinburg, Citico, 
Coker Creek, Rose Hill, Big Stone Gap, Norton, Wise, Coeburn, 
Appalachia, Pardee, Hiltons, Hansonville, Lebanon, Dye, 
Castlewood, Honaker, Rosedale, Benhams, Bristol VA, and Abingdon
358 AM EDT Fri Nov 5 2021

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

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

* WHERE...Portions of east Tennessee and southwest Virginia.

* WHEN...Through 10 AM this morning.

* IMPACTS...Frost and freeze conditions could kill crops and 
  other sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. Those that
have in-ground sprinkler systems should drain them and cover
above-ground pipes to protect them from freezing.

&&

$$

TNZ036-040-067>071-073-083>086-051400-
/O.NEW.KMRX.FG.Y.0009.211105T0758Z-211105T1400Z/
/O.CON.KMRX.FR.Y.0009.000000T0000Z-211105T1400Z/
Anderson-Northwest Cocke-Roane-Loudon-Knox-Jefferson-
Northwest Blount-North Sevier-Rhea-Meigs-McMinn-Northwest Monroe-
Including the cities of Oak Ridge, Clinton, Bybee, Newport, 
Harriman, Eagle Furnace, Rockwood, Bradbury, Fairview, Kingston, 
Oliver Springs, Lenoir City, Loudon, Bearden, Knoxville, 
Lake Forest, Jefferson City, Strawberry Plains, Chestnut Hill, 
Dandridge, White Pine, Maryville, Alcoa, Harrisburg, Kodak, 
McMahan, Sevierville, Seymour, Pigeon Forge, Dayton, Evensville, 
Old Washington, Grandview, Spring City, Big Spring, Athens, 
Clear Water, Dentville, Etowah, Sweetwater, Madisonville, 
and Bullet Creek
358 AM EDT Fri Nov 5 2021

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

* WHAT...For the Frost Advisory, temperatures as low as 34 will 
  result in frost formation. For the Dense Fog Advisory, 
  visibility one quarter mile or less in dense fog.

* WHERE...Portions of east Tennessee.

* WHEN...Until 10 AM EDT this morning.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered. Hazardous driving conditions due to low 
  visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

NCZ060-061-TNZ098>102-051400-
/O.NEW.KMRX.FG.Y.0009.211105T0758Z-211105T1400Z/
/O.CON.KMRX.FR.Y.0009.211105T0800Z-211105T1400Z/
Cherokee-Clay-Marion-Hamilton-Bradley-West Polk-East Polk-
Including the cities of Andrews, Marble, Topton, Hiawasse Dam, 
Murphy, Unaka, Violet, Shooting Creek, Brasstown, Hayesville, 
Tusquitee, South Pittsburg, Haletown (Guild), Jasper, 
Martin Springs, Whitwell, Powells Crossroads, Monteagle, 
Chattanooga, Cleveland, Tasso, Conasauga, Archville, Benton, 
Parksville, Reliance, Big Frog Mountain, Ducktown, and Turtletown
358 AM EDT Fri Nov 5 2021 /258 AM CDT Fri Nov 5 2021/

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EDT /9 AM CDT/ THIS
MORNING...
...FROST ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT /9 AM CDT/
THIS MORNING...

* WHAT...For the Frost Advisory, temperatures as low as 35 will 
  result in frost formation. For the Dense Fog Advisory, 
  visibility one quarter mile or less in dense fog.

* WHERE...Portions of east Tennessee and southwest North 
  Carolina.

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

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered. Hazardous driving conditions due to low 
  visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$
434 
WWUS74 KMRX 051355
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
955 AM EDT Fri Nov 5 2021

TNZ016-017-037>039-042-044-081-082-051500-
/O.EXP.KMRX.FZ.W.0008.000000T0000Z-211105T1400Z/
/O.EXP.KMRX.FG.Y.0009.000000T0000Z-211105T1400Z/
Hawkins-Sullivan-Union-Grainger-Hamblen-Northwest Greene-
Washington-Sequatchie-Bledsoe-
Including the cities of Mooresburg, Kingsport, Bristol TN, 
South Holston Dam, Maynardville, Norris Lake, Paulette, 
Rose Hill, Sharps Chapel, Luttrell, Bean Station, Alpha, 
Morristown, Russellville, Greeneville, Johnson City, Cagle, 
Dunlap, Cartwright, Lone Oak, Old Cumberland, Palio, Melvine, 
Mount Crest, Pikeville, and Brayton
955 AM EDT Fri Nov 5 2021 /855 AM CDT Fri Nov 5 2021/

...FREEZE WARNING WILL EXPIRE AT 10 AM EDT /9 AM CDT/ THIS
MORNING...
...DENSE FOG ADVISORY WILL EXPIRE AT 10 AM EDT /9 AM CDT/ THIS
MORNING...

Temperatures will continue to rise above the freezing mark with
patchy fog also gradually dissipating this morning.

$$

TNZ012>015-018-035-041-043-045>047-072-074-087-VAZ001-002-005-006-
008-051500-
/O.EXP.KMRX.FZ.W.0008.000000T0000Z-211105T1400Z/
Scott-Campbell-Claiborne-Hancock-Johnson-Morgan-
Cocke Smoky Mountains-Southeast Greene-Unicoi-Northwest Carter-
Southeast Carter-Blount Smoky Mountains-Sevier Smoky Mountains-
Southeast Monroe-Lee-Wise-Russell-Washington-
Including the cities of Big South Fork National, Oneida, 
Smokey Junction, Elgin, Huntsville, Norma, Slick Rock, Fincastle,
La Follette, Elk Valley, Jellico, White Oak, Caryville, 
Royal Blue, Lone Mountain, Sandlick, Springdale, Arthur, 
Harrogate-Shawanee, Clairfield, Howard Quarter, Evanston, 
Sneedville, Treadway, Kyles Ford, Doeville, Mountain City, Neva, 
Shady Valley, Trade, Laurel Bloomery, Pine Orchard, High Point, 
Petros, Hartford, Cedar Creek, Erwin, Unicoi, Limestone Cove, 
Elizabethton, Hampton, Cades Cove, Elkmont, Gatlinburg, Citico, 
Coker Creek, Rose Hill, Big Stone Gap, Norton, Wise, Coeburn, 
Appalachia, Pardee, Hiltons, Hansonville, Lebanon, Dye, 
Castlewood, Honaker, Rosedale, Benhams, Bristol VA, and Abingdon
955 AM EDT Fri Nov 5 2021

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

Temperatures will continue to rise above the freezing mark across
the warned areas.

$$

TNZ036-040-067>071-073-083>086-051500-
/O.EXP.KMRX.FG.Y.0009.000000T0000Z-211105T1400Z/
/O.EXP.KMRX.FR.Y.0009.000000T0000Z-211105T1400Z/
Anderson-Northwest Cocke-Roane-Loudon-Knox-Jefferson-
Northwest Blount-North Sevier-Rhea-Meigs-McMinn-Northwest Monroe-
Including the cities of Oak Ridge, Clinton, Bybee, Newport, 
Harriman, Eagle Furnace, Rockwood, Bradbury, Fairview, Kingston, 
Oliver Springs, Lenoir City, Loudon, Bearden, Knoxville, 
Lake Forest, Jefferson City, Strawberry Plains, Chestnut Hill, 
Dandridge, White Pine, Maryville, Alcoa, Harrisburg, Kodak, 
McMahan, Sevierville, Seymour, Pigeon Forge, Dayton, Evensville, 
Old Washington, Grandview, Spring City, Big Spring, Athens, 
Clear Water, Dentville, Etowah, Sweetwater, Madisonville, 
and Bullet Creek
955 AM EDT Fri Nov 5 2021

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

Lingering patchy fog will continue to dissipate this morning.

$$

NCZ060-061-TNZ098>102-051500-
/O.EXP.KMRX.FG.Y.0009.000000T0000Z-211105T1400Z/
/O.EXP.KMRX.FR.Y.0009.000000T0000Z-211105T1400Z/
Cherokee-Clay-Marion-Hamilton-Bradley-West Polk-East Polk-
Including the cities of Andrews, Marble, Topton, Hiawasse Dam, 
Murphy, Unaka, Violet, Shooting Creek, Brasstown, Hayesville, 
Tusquitee, South Pittsburg, Haletown (Guild), Jasper, 
Martin Springs, Whitwell, Powells Crossroads, Monteagle, 
Chattanooga, Cleveland, Tasso, Conasauga, Archville, Benton, 
Parksville, Reliance, Big Frog Mountain, Ducktown, and Turtletown
955 AM EDT Fri Nov 5 2021 /855 AM CDT Fri Nov 5 2021/

...DENSE FOG ADVISORY WILL EXPIRE AT 10 AM EDT /9 AM CDT/ THIS
MORNING...
...FROST ADVISORY WILL EXPIRE AT 10 AM EDT /9 AM CDT/ THIS
MORNING...

Patchy fog will continue to dissipate with temperatures also
warming above the mid 30s.

$$

The office that day

Everything else NWS Morristown, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 4, 2:59 AM EDTFreeze WarningMRXBledsoe, Blount, Campbell, Carter, Claiborne, Cocke and 15 more31 hr

Nearby

Frost Advisories in Tennessee, 2021Frost Advisories in North Carolina, 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.