Alert archive / Tennessee / Wind Advisories in 2021
Wind Advisory 10, NWS Morristown, TN
NWS Morristown, TN issued this wind advisory at Mar 31, 2021, 3:38 PM EDT for 9 counties in Tennessee; Cherokee County, Clay County, North Carolina. It took effect at Mar 31, 2021, 10:00 PM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Mar 31, 2021, 3:38 PM EDT (19:38 UTC)
- In effect from
- Mar 31, 2021, 10:00 PM EDT
- Expired
- Apr 1, 2021, 3:59 AM EDT
- In force
- 6 hr
- Issued by
- NWS Morristown, TN
Counties Cherokee County, NC, Clay County, NC, Blount County, TN, Carter County, TN, Cocke County, TN, Greene County, TN, Johnson County, TN, Monroe County, TN, Polk County, TN, Sevier County, TN, Unicoi County, TN
The radar
The Knoxville radar (KMRX), 48 km from the middle of the area, began a volume at 19:39 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.6 hours before the alert went out and 286 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.
- Mixed-layer CAPE
- 111 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 562 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 205 m²/s²
- 0-3 km storm-relative helicity
- 296 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
776 WWUS74 KMRX 311938 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 338 PM EDT Wed Mar 31 2021 NCZ060-061-TNZ102-010345- /O.NEW.KMRX.FZ.W.0001.210401T0800Z-210401T1300Z/ /O.NEW.KMRX.WI.Y.0010.210401T0200Z-210401T1800Z/ /O.NEW.KMRX.FZ.A.0001.210402T0300Z-210402T1400Z/ Cherokee-Clay-East Polk- Including the cities of Andrews, Marble, Topton, Hiawasse Dam, Murphy, Unaka, Violet, Shooting Creek, Brasstown, Hayesville, Tusquitee, Big Frog Mountain, Ducktown, and Turtletown 338 PM EDT Wed Mar 31 2021 ...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 2 PM EDT THURSDAY... ...FREEZE WARNING IN EFFECT FROM 4 AM TO 9 AM EDT THURSDAY... ...FREEZE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY MORNING... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 29 expected. For the Wind Advisory, north winds 15 to 30 mph with gusts up to 45 mph expected. For the Freeze Watch, sub- freezing temperatures as low as 23 possible. * WHERE...In Tennessee, East Polk County. In North Carolina, Cherokee and Clay Counties. * WHEN...For the Freeze Warning, from 4 AM to 9 AM EDT Thursday. For the Wind Advisory, from 10 PM this evening to 2 PM EDT Thursday. For the Freeze Watch, from Thursday evening through Friday morning. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frost and freeze conditions could kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. 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. && $$ TNZ012>017-035>040-042-044-046-067>071-073-081>086-098>101-VAZ001- 002-005-006-008-010345- /O.NEW.KMRX.FZ.W.0001.210401T0800Z-210401T1300Z/ /O.NEW.KMRX.FZ.A.0001.210402T0300Z-210402T1400Z/ Scott-Campbell-Claiborne-Hancock-Hawkins-Sullivan-Morgan-Anderson- Union-Grainger-Hamblen-Northwest Cocke-Northwest Greene- Washington-Northwest Carter-Roane-Loudon-Knox-Jefferson- Northwest Blount-North Sevier-Sequatchie-Bledsoe-Rhea-Meigs- McMinn-Northwest Monroe-Marion-Hamilton-Bradley-West Polk-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, Pine Orchard, High Point, Petros, Oak Ridge, Clinton, Maynardville, Norris Lake, Paulette, Rose Hill, Sharps Chapel, Luttrell, Bean Station, Alpha, Morristown, Russellville, Bybee, Newport, Greeneville, Johnson City, Elizabethton, 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, Cagle, Dunlap, Cartwright, Lone Oak, Old Cumberland, Palio, Melvine, Mount Crest, Pikeville, Brayton, Dayton, Evensville, Old Washington, Grandview, Spring City, Big Spring, Athens, Clear Water, Dentville, Etowah, Sweetwater, Madisonville, Bullet Creek, South Pittsburg, Haletown (Guild), Jasper, Martin Springs, Whitwell, Powells Crossroads, Monteagle, Chattanooga, Cleveland, Tasso, Conasauga, Archville, Benton, Parksville, Reliance, Big Stone Gap, Norton, Wise, Coeburn, Appalachia, Pardee, Hiltons, Hansonville, Lebanon, Dye, Castlewood, Honaker, Rosedale, Benhams, Bristol VA, and Abingdon 338 PM EDT Wed Mar 31 2021 /238 PM CDT Wed Mar 31 2021/ ...FREEZE WARNING IN EFFECT FROM 4 AM EDT /3 AM CDT/ TO 9 AM EDT /8 AM CDT/ THURSDAY... ...FREEZE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY MORNING... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 30 expected. For the Freeze Watch, sub-freezing temperatures as low as 23 possible. * WHERE...Portions of east Tennessee and southwest Virginia. * WHEN...For the Freeze Warning, from 4 AM EDT /3 AM CDT/ to 9 AM EDT /8 AM CDT/ Thursday. For the Freeze Watch, from Thursday evening through Friday 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. && $$ TNZ018-041-043-045-047-072-074-087-010345- /O.NEW.KMRX.WI.Y.0010.210401T0200Z-210401T1800Z/ Johnson-Cocke Smoky Mountains-Southeast Greene-Unicoi- Southeast Carter-Blount Smoky Mountains-Sevier Smoky Mountains- Southeast Monroe- Including the cities of Doeville, Mountain City, Neva, Shady Valley, Trade, Laurel Bloomery, Hartford, Cedar Creek, Erwin, Unicoi, Limestone Cove, Hampton, Cades Cove, Elkmont, Gatlinburg, Citico, and Coker Creek 338 PM EDT Wed Mar 31 2021 ...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 2 PM EDT THURSDAY... * WHAT...Northwest winds 15 to 30 mph with gusts up to 45 mph expected. * WHERE...Portions of east Tennessee. * WHEN...From 10 PM this evening to 2 PM EDT Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
2 follow-up statements
836 WWUS74 KMRX 010305 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 1105 PM EDT Wed Mar 31 2021 NCZ060-061-TNZ102-011000- /O.CON.KMRX.FZ.W.0001.210401T0800Z-210401T1300Z/ /O.CON.KMRX.WI.Y.0010.000000T0000Z-210401T1800Z/ /O.CON.KMRX.FZ.A.0001.210402T0300Z-210402T1400Z/ Cherokee-Clay-East Polk- Including the cities of Andrews, Marble, Topton, Hiawasse Dam, Murphy, Unaka, Violet, Shooting Creek, Brasstown, Hayesville, Tusquitee, Big Frog Mountain, Ducktown, and Turtletown 1105 PM EDT Wed Mar 31 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THURSDAY... ...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 9 AM EDT THURSDAY... ...FREEZE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY MORNING... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 29 expected. For the Wind Advisory, north winds 15 to 30 mph with gusts up to 45 mph expected. For the Freeze Watch, sub- freezing temperatures as low as 23 possible. * WHERE...In Tennessee, East Polk County. In North Carolina, Cherokee and Clay Counties. * WHEN...For the Freeze Warning, from 4 AM to 9 AM EDT Thursday. For the Wind Advisory, from now to 2 PM EDT Thursday. For the Freeze Watch, from Thursday evening through Friday morning. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frost and freeze conditions could kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. Take steps now to protect tender plants from the cold. Those that have in-ground sprinkler systems should drain them and cover above-ground pipes to protect them from freezing. && $$ TNZ012>017-035>040-042-044-046-067>071-073-081>086-098>101-VAZ001- 002-005-006-008-011000- /O.CON.KMRX.FZ.W.0001.210401T0800Z-210401T1300Z/ /O.CON.KMRX.FZ.A.0001.210402T0300Z-210402T1400Z/ Scott-Campbell-Claiborne-Hancock-Hawkins-Sullivan-Morgan-Anderson- Union-Grainger-Hamblen-Northwest Cocke-Northwest Greene- Washington-Northwest Carter-Roane-Loudon-Knox-Jefferson- Northwest Blount-North Sevier-Sequatchie-Bledsoe-Rhea-Meigs- McMinn-Northwest Monroe-Marion-Hamilton-Bradley-West Polk-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, Pine Orchard, High Point, Petros, Oak Ridge, Clinton, Maynardville, Norris Lake, Paulette, Rose Hill, Sharps Chapel, Luttrell, Bean Station, Alpha, Morristown, Russellville, Bybee, Newport, Greeneville, Johnson City, Elizabethton, 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, Cagle, Dunlap, Cartwright, Lone Oak, Old Cumberland, Palio, Melvine, Mount Crest, Pikeville, Brayton, Dayton, Evensville, Old Washington, Grandview, Spring City, Big Spring, Athens, Clear Water, Dentville, Etowah, Sweetwater, Madisonville, Bullet Creek, South Pittsburg, Haletown (Guild), Jasper, Martin Springs, Whitwell, Powells Crossroads, Monteagle, Chattanooga, Cleveland, Tasso, Conasauga, Archville, Benton, Parksville, Reliance, Big Stone Gap, Norton, Wise, Coeburn, Appalachia, Pardee, Hiltons, Hansonville, Lebanon, Dye, Castlewood, Honaker, Rosedale, Benhams, Bristol VA, and Abingdon 1105 PM EDT Wed Mar 31 2021 /1005 PM CDT Wed Mar 31 2021/ ...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM EDT /3 AM CDT/ TO 9 AM EDT /8 AM CDT/ THURSDAY... ...FREEZE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY MORNING... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 30 expected. For the Freeze Watch, sub-freezing temperatures as low as 23 possible. * WHERE...Portions of east Tennessee and southwest Virginia. * WHEN...For the Freeze Warning, from 4 AM EDT /3 AM CDT/ to 9 AM EDT /8 AM CDT/ Thursday. For the Freeze Watch, from Thursday evening through Friday 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. && $$ TNZ018-041-043-045-047-072-074-087-011000- /O.CON.KMRX.WI.Y.0010.000000T0000Z-210401T1800Z/ Johnson-Cocke Smoky Mountains-Southeast Greene-Unicoi- Southeast Carter-Blount Smoky Mountains-Sevier Smoky Mountains- Southeast Monroe- Including the cities of Doeville, Mountain City, Neva, Shady Valley, Trade, Laurel Bloomery, Hartford, Cedar Creek, Erwin, Unicoi, Limestone Cove, Hampton, Cades Cove, Elkmont, Gatlinburg, Citico, and Coker Creek 1105 PM EDT Wed Mar 31 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THURSDAY... * WHAT...Northwest winds 15 to 30 mph with gusts up to 45 mph expected. * WHERE...Portions of east Tennessee. * WHEN...From now to 2 PM EDT Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
136 WWUS74 KMRX 010759 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 359 AM EDT Thu Apr 1 2021 NCZ060-061-TNZ102-011600- /O.CAN.KMRX.WI.Y.0010.000000T0000Z-210401T1800Z/ /O.CON.KMRX.FZ.W.0001.210401T0800Z-210401T1300Z/ /O.CON.KMRX.FZ.A.0001.210402T0300Z-210402T1400Z/ Cherokee-Clay-East Polk- Including the cities of Andrews, Marble, Topton, Hiawasse Dam, Murphy, Unaka, Violet, Shooting Creek, Brasstown, Hayesville, Tusquitee, Big Frog Mountain, Ducktown, and Turtletown 359 AM EDT Thu Apr 1 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...FREEZE WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH FRIDAY MORNING... ...WIND ADVISORY IS CANCELLED... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 29 expected. For the Freeze Watch, sub-freezing temperatures as low as 23 possible. * WHERE...In Tennessee, East Polk County. In North Carolina, Cherokee and Clay Counties. * WHEN...For the Freeze Warning, until 9 AM EDT this morning. For the Freeze Watch, from this evening through Friday 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. && $$ TNZ018-041-043-045-047-072-074-087-010900- /O.CAN.KMRX.WI.Y.0010.000000T0000Z-210401T1800Z/ Johnson-Cocke Smoky Mountains-Southeast Greene-Unicoi- Southeast Carter-Blount Smoky Mountains-Sevier Smoky Mountains- Southeast Monroe- 359 AM EDT Thu Apr 1 2021 ...WIND ADVISORY IS CANCELLED... Winds have decreased across the advisory area early this morning and are not expected to increase later today to reach advisory levels so the wind advisory has been cancelled. $$ TNZ012>017-035>040-042-044-046-067>071-073-081>086-098>101-VAZ001- 002-005-006-008-011600- /O.CON.KMRX.FZ.W.0001.210401T0800Z-210401T1300Z/ /O.CON.KMRX.FZ.A.0001.210402T0300Z-210402T1400Z/ Scott-Campbell-Claiborne-Hancock-Hawkins-Sullivan-Morgan-Anderson- Union-Grainger-Hamblen-Northwest Cocke-Northwest Greene- Washington-Northwest Carter-Roane-Loudon-Knox-Jefferson- Northwest Blount-North Sevier-Sequatchie-Bledsoe-Rhea-Meigs- McMinn-Northwest Monroe-Marion-Hamilton-Bradley-West Polk-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, Pine Orchard, High Point, Petros, Oak Ridge, Clinton, Maynardville, Norris Lake, Paulette, Rose Hill, Sharps Chapel, Luttrell, Bean Station, Alpha, Morristown, Russellville, Bybee, Newport, Greeneville, Johnson City, Elizabethton, 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, Cagle, Dunlap, Cartwright, Lone Oak, Old Cumberland, Palio, Melvine, Mount Crest, Pikeville, Brayton, Dayton, Evensville, Old Washington, Grandview, Spring City, Big Spring, Athens, Clear Water, Dentville, Etowah, Sweetwater, Madisonville, Bullet Creek, South Pittsburg, Haletown (Guild), Jasper, Martin Springs, Whitwell, Powells Crossroads, Monteagle, Chattanooga, Cleveland, Tasso, Conasauga, Archville, Benton, Parksville, Reliance, Big Stone Gap, Norton, Wise, Coeburn, Appalachia, Pardee, Hiltons, Hansonville, Lebanon, Dye, Castlewood, Honaker, Rosedale, Benhams, Bristol VA, and Abingdon 359 AM EDT Thu Apr 1 2021 /259 AM CDT Thu Apr 1 2021/ ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT /8 AM CDT/ THIS MORNING... ...FREEZE WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH FRIDAY MORNING... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 30 expected. For the Freeze Watch, sub-freezing temperatures as low as 23 possible. * WHERE...Portions of east Tennessee and southwest Virginia. * WHEN...For the Freeze Warning, from 4 AM EDT /3 AM CDT/ to 9 AM EDT /8 AM CDT/ Thursday. For the Freeze Watch, from Thursday evening through Friday 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. && $$ TD
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 9:37 PM EDT | Wind Advisory | MRX | Blount, Carter, Cocke, Greene, Johnson, Monroe and 2 more | 15 hr |
| Mar 31, 4:57 AM EDT | Areal Flood Advisory | MRX | Marion | 2 hr |
| Mar 31, 5:40 AM EDT | Areal Flood Advisory | MRX | Bradley, Hamilton | 3 hr |
| Mar 31, 7:57 AM EDT | Areal Flood Advisory | MRX | Marion | 46 min |
| Mar 31, 8:42 AM EDT | Flash Flood Warning | MRX | Bradley, Hamilton, Marion, Sequatchie | 5 hr |
| Mar 31, 8:52 AM EDT | Areal Flood Advisory | MRX | Blount, Jefferson, Loudon, Sevier | 5 hr |
| Mar 31, 8:59 AM EDT | Areal Flood Advisory | MRX | Bledsoe, Rhea, Sequatchie | 4 hr |
| Mar 31, 9:05 AM EDT | Areal Flood Advisory | MRX | Monroe | 5 hr |
| Mar 31, 9:52 AM EDT | Areal Flood Advisory | MRX | Monroe, Polk | 3 hr |
| Mar 31, 10:55 AM EDT | River Flood Warning | MRX | Bledsoe, Marion, Sequatchie | 35 hr |
| Mar 31, 10:57 AM EDT | River Flood Warning | MRX | Hamilton | 47 hr |
| Mar 31, 12:46 PM EDT | River Flood Warning | MRX | Cocke | 22 hr |
| Mar 31, 1:31 PM EDT | Areal Flood Warning | MRX | Bradley, Hamilton, Marion, Sequatchie | 6 hr |
| Mar 31, 2:04 PM EDT | River Flood Warning | MRX | Polk | 14 hr |
| Mar 31, 3:38 PM EDT | Freeze Watch | MRX | Anderson, Bledsoe, Blount, Bradley, Campbell, Carter and 25 more | 18 hr |
| Mar 31, 3:38 PM EDT | Freeze Warning | MRX | Anderson, Bledsoe, Blount, Bradley, Campbell, Carter and 25 more | 17 hr |
Nearby
Wind Advisories in Tennessee, 2021Wind Advisories in North Carolina, 2021Every wind 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.