Alert archive / Tennessee / High Wind Watches in 2021
High Wind Watch 6, NWS Morristown, TN
NWS Morristown, TN issued this high wind watch at Apr 23, 2021, 3:14 AM EDT for 7 counties in Tennessee. It took effect at Apr 24, 2021, 8:00 AM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Apr 23, 2021, 3:14 AM EDT (07:14 UTC)
- In effect from
- Apr 24, 2021, 8:00 AM EDT
- Expired
- Apr 24, 2021, 1:09 AM EDT
- In force
- Issued by
- NWS Morristown, TN
Counties Blount County, TN, Carter County, TN, Cocke County, TN, Greene County, TN, Monroe County, TN, Sevier County, TN, Unicoi County, TN
The radar
The Knoxville radar (KMRX), 35 km from the middle of the area, began a volume at 07:15 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
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 7.2 hours before the alert went out and 295 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2575 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
029 WWUS74 KMRX 230714 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 314 AM EDT Fri Apr 23 2021 TNZ041-043-045-047-072-074-231500- /O.NEW.KMRX.HW.A.0006.210424T1200Z-210425T0000Z/ /O.CON.KMRX.FZ.W.0005.000000T0000Z-210423T1300Z/ Cocke Smoky Mountains-Southeast Greene-Unicoi-Southeast Carter- Blount Smoky Mountains-Sevier Smoky Mountains- Including the cities of Hartford, Cedar Creek, Erwin, Unicoi, Limestone Cove, Hampton, Cades Cove, Elkmont, and Gatlinburg 314 AM EDT Fri Apr 23 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...HIGH WIND WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 32. For the High Wind Watch, south winds 25 to 40 mph with gusts up to 60 mph possible. * WHERE...Portions of east Tennessee. * WHEN...For the Freeze Warning, until 9 AM EDT this morning. For the High Wind Watch, from Saturday morning through Saturday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. Frost and freeze conditions could kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ TNZ014>018-042-044-046-VAZ001-002-005-006-008-231300- /O.CON.KMRX.FZ.W.0005.000000T0000Z-210423T1300Z/ Claiborne-Hancock-Hawkins-Sullivan-Johnson-Northwest Greene- Washington-Northwest Carter-Lee-Wise-Scott-Russell- Including the cities of Lone Mountain, Sandlick, Springdale, Arthur, Harrogate-Shawanee, Clairfield, Howard Quarter, Evanston, Sneedville, Treadway, Kyles Ford, Mooresburg, Kingsport, Bristol TN, South Holston Dam, Doeville, Mountain City, Neva, Shady Valley, Trade, Laurel Bloomery, Greeneville, Johnson City, Elizabethton, Rose Hill, Big Stone Gap, Norton, Wise, Coeburn, Appalachia, Pardee, Hiltons, Hansonville, Lebanon, Dye, Castlewood, Honaker, Rosedale, Benhams, Bristol VA, and Abingdon 314 AM EDT Fri Apr 23 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 31. * WHERE...Portions of east Tennessee and southwest Virginia. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost and freeze conditions could kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. Those that have in-ground sprinkler systems should drain them and cover above-ground pipes to protect them from freezing. && $$ TNZ087-231500- /O.NEW.KMRX.HW.A.0006.210424T1200Z-210425T0000Z/ /O.CON.KMRX.FR.Y.0004.000000T0000Z-210423T1300Z/ Southeast Monroe- Including the cities of Citico and Coker Creek 314 AM EDT Fri Apr 23 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...HIGH WIND WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING... * WHAT...For the Frost Advisory, temperatures as low as 37 will result in frost formation. For the High Wind Watch, south winds 25 to 35 mph with gusts up to 50 mph possible. * WHERE...Southeast Monroe County. * WHEN...For the Frost Advisory, until 9 AM EDT this morning. For the High Wind Watch, from Saturday morning through Saturday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ NCZ060-061-TNZ012-013-035>040-067>071-073-081>086-231300- /O.CON.KMRX.FR.Y.0004.000000T0000Z-210423T1300Z/ Cherokee-Clay-Scott-Campbell-Morgan-Anderson-Union-Grainger- Hamblen-Northwest Cocke-Roane-Loudon-Knox-Jefferson- Northwest Blount-North Sevier-Sequatchie-Bledsoe-Rhea-Meigs- McMinn-Northwest Monroe- Including the cities of Andrews, Marble, Topton, Hiawasse Dam, Murphy, Unaka, Violet, Shooting Creek, Brasstown, Hayesville, Tusquitee, Big South Fork National, Oneida, Smokey Junction, Elgin, Huntsville, Norma, Slick Rock, Fincastle, La Follette, Elk Valley, Jellico, White Oak, Caryville, Royal Blue, Pine Orchard, High Point, Petros, Oak Ridge, Clinton, Maynardville, Norris Lake, Paulette, Rose Hill, Sharps Chapel, Luttrell, Bean Station, Alpha, Morristown, Russellville, Bybee, Newport, Harriman, Eagle Furnace, Rockwood, Bradbury, Fairview, Kingston, Oliver Springs, Lenoir City, Loudon, Bearden, Knoxville, Lake Forest, Jefferson City, Strawberry Plains, Chestnut Hill, Dandridge, White Pine, Maryville, Alcoa, Harrisburg, Kodak, McMahan, Sevierville, Seymour, Pigeon Forge, Cagle, Dunlap, Cartwright, Lone Oak, Old Cumberland, Palio, Melvine, Mount Crest, Pikeville, Brayton, Dayton, Evensville, Old Washington, Grandview, Spring City, Big Spring, Athens, Clear Water, Dentville, Etowah, Sweetwater, Madisonville, and Bullet Creek 314 AM EDT Fri Apr 23 2021 /214 AM CDT Fri Apr 23 2021/ ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT /8 AM CDT/ THIS MORNING... * WHAT...Temperatures as low as 35 will result in frost formation. * WHERE...Portions of east Tennessee and southwest North Carolina. * WHEN...Until 9 AM EDT /8 AM CDT/ this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
4 follow-up statements
885 WWUS74 KMRX 231309 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 909 AM EDT Fri Apr 23 2021 TNZ041-043-045-047-072-074-232115- /O.EXP.KMRX.FZ.W.0005.000000T0000Z-210423T1300Z/ /O.CON.KMRX.HW.A.0006.210424T1200Z-210425T0000Z/ Cocke Smoky Mountains-Southeast Greene-Unicoi-Southeast Carter- Blount Smoky Mountains-Sevier Smoky Mountains- Including the cities of Hartford, Cedar Creek, Erwin, Unicoi, Limestone Cove, Hampton, Cades Cove, Elkmont, and Gatlinburg 909 AM EDT Fri Apr 23 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING... ...FREEZE WARNING HAS EXPIRED... * WHAT...South winds 25 to 40 mph with gusts up to 60 mph possible. * WHERE...Portions of east Tennessee. * WHEN...From Saturday morning through Saturday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ TNZ014>018-042-044-046-VAZ001-002-005-006-008-231415- /O.EXP.KMRX.FZ.W.0005.000000T0000Z-210423T1300Z/ Claiborne-Hancock-Hawkins-Sullivan-Johnson-Northwest Greene- Washington-Northwest Carter-Lee-Wise-Scott-Russell- Including the cities of Lone Mountain, Sandlick, Springdale, Arthur, Harrogate-Shawanee, Clairfield, Howard Quarter, Evanston, Sneedville, Treadway, Kyles Ford, Mooresburg, Kingsport, Bristol TN, South Holston Dam, Doeville, Mountain City, Neva, Shady Valley, Trade, Laurel Bloomery, Greeneville, Johnson City, Elizabethton, Rose Hill, Big Stone Gap, Norton, Wise, Coeburn, Appalachia, Pardee, Hiltons, Hansonville, Lebanon, Dye, Castlewood, Honaker, Rosedale, Benhams, Bristol VA, and Abingdon 909 AM EDT Fri Apr 23 2021 ...FREEZE WARNING HAS EXPIRED... Temperatures have risen above freezing. $$ TNZ087-232115- /O.EXP.KMRX.FR.Y.0004.000000T0000Z-210423T1300Z/ /O.CON.KMRX.HW.A.0006.210424T1200Z-210425T0000Z/ Southeast Monroe- Including the cities of Citico and Coker Creek 909 AM EDT Fri Apr 23 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING... ...FROST ADVISORY HAS EXPIRED... * WHAT...South winds 25 to 35 mph with gusts up to 50 mph possible. * WHERE...Southeast Monroe County. * WHEN...From Saturday morning through Saturday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ NCZ060-061-TNZ012-013-035>040-067>071-073-081>086-231415- /O.EXP.KMRX.FR.Y.0004.000000T0000Z-210423T1300Z/ Cherokee-Clay-Scott-Campbell-Morgan-Anderson-Union-Grainger- Hamblen-Northwest Cocke-Roane-Loudon-Knox-Jefferson- Northwest Blount-North Sevier-Sequatchie-Bledsoe-Rhea-Meigs- McMinn-Northwest Monroe- Including the cities of Andrews, Marble, Topton, Hiawasse Dam, Murphy, Unaka, Violet, Shooting Creek, Brasstown, Hayesville, Tusquitee, Big South Fork National, Oneida, Smokey Junction, Elgin, Huntsville, Norma, Slick Rock, Fincastle, La Follette, Elk Valley, Jellico, White Oak, Caryville, Royal Blue, Pine Orchard, High Point, Petros, Oak Ridge, Clinton, Maynardville, Norris Lake, Paulette, Rose Hill, Sharps Chapel, Luttrell, Bean Station, Alpha, Morristown, Russellville, Bybee, Newport, Harriman, Eagle Furnace, Rockwood, Bradbury, Fairview, Kingston, Oliver Springs, Lenoir City, Loudon, Bearden, Knoxville, Lake Forest, Jefferson City, Strawberry Plains, Chestnut Hill, Dandridge, White Pine, Maryville, Alcoa, Harrisburg, Kodak, McMahan, Sevierville, Seymour, Pigeon Forge, Cagle, Dunlap, Cartwright, Lone Oak, Old Cumberland, Palio, Melvine, Mount Crest, Pikeville, Brayton, Dayton, Evensville, Old Washington, Grandview, Spring City, Big Spring, Athens, Clear Water, Dentville, Etowah, Sweetwater, Madisonville, and Bullet Creek 909 AM EDT Fri Apr 23 2021 /809 AM CDT Fri Apr 23 2021/ ...FROST ADVISORY HAS EXPIRED... The risk of frost has ended due to cloud cover and warming temperatures. $$
808 WWUS74 KMRX 231926 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 326 PM EDT Fri Apr 23 2021 TNZ041-043-045-047-072-074-087-240400- /O.CON.KMRX.HW.A.0006.210424T1200Z-210425T0000Z/ Cocke Smoky Mountains-Southeast Greene-Unicoi-Southeast Carter- Blount Smoky Mountains-Sevier Smoky Mountains-Southeast Monroe- Including the cities of Hartford, Cedar Creek, Erwin, Unicoi, Limestone Cove, Hampton, Cades Cove, Elkmont, Gatlinburg, Citico, and Coker Creek 326 PM EDT Fri Apr 23 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING... * WHAT...South winds 25 to 40 mph with gusts up to 60 mph possible. * WHERE...Portions of east Tennessee. * WHEN...From Saturday morning through Saturday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$
437 WWUS74 KMRX 240359 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 1159 PM EDT Fri Apr 23 2021 TNZ041-043-045-047-072-074-087-240900- /O.CON.KMRX.HW.A.0006.210424T1200Z-210425T0000Z/ Cocke Smoky Mountains-Southeast Greene-Unicoi-Southeast Carter- Blount Smoky Mountains-Sevier Smoky Mountains-Southeast Monroe- Including the cities of Hartford, Cedar Creek, Erwin, Unicoi, Limestone Cove, Hampton, Cades Cove, Elkmont, Gatlinburg, Citico, and Coker Creek 1159 PM EDT Fri Apr 23 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM 8 AM EDT SATURDAY THROUGH SATURDAY EVENING... * WHAT...South winds 25 to 40 mph with gusts up to 60 mph possible. * WHERE...Portions of east Tennessee. * WHEN...From 8 AM EDT Saturday through Saturday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$
576 WWUS74 KMRX 240509 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 109 AM EDT Sat Apr 24 2021 TNZ041-043-045-047-072-074-087-241500- /O.UPG.KMRX.HW.A.0006.210424T1200Z-210425T0000Z/ /O.NEW.KMRX.HW.W.0007.210424T1500Z-210425T0000Z/ Cocke Smoky Mountains-Southeast Greene-Unicoi-Southeast Carter- Blount Smoky Mountains-Sevier Smoky Mountains-Southeast Monroe- Including the cities of Hartford, Cedar Creek, Erwin, Unicoi, Limestone Cove, Hampton, Cades Cove, Elkmont, Gatlinburg, Citico, and Coker Creek 109 AM EDT Sat Apr 24 2021 ...HIGH WIND WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Southeast winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Portions of east Tennessee. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ TNZ018-241500- /O.NEW.KMRX.HW.W.0007.210424T1500Z-210425T0000Z/ Johnson- Including the cities of Doeville, Mountain City, Neva, Shady Valley, Trade, and Laurel Bloomery 109 AM EDT Sat Apr 24 2021 ...HIGH WIND WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Southeast winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Johnson County. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$
Nearby
High Wind Watches in Tennessee, 2021Every high wind 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.