Alert archive / Tennessee / Wind Advisories in 2021
Wind Advisory 20, NWS Morristown, TN
NWS Morristown, TN issued this wind advisory at Dec 10, 2021, 2:08 PM EST for 33 counties in Tennessee; 7 counties in Virginia. It took effect at Dec 10, 2021, 10:00 PM EST. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Dec 10, 2021, 2:08 PM EST (19:08 UTC)
- In effect from
- Dec 10, 2021, 10:00 PM EST
- Expired
- Dec 11, 2021, 2:53 PM EST
- In force
- 17 hr
- Issued by
- NWS Morristown, TN
All 40 counties
Anderson County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Carter County, TN, Claiborne County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hamilton County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Johnson County, TN, Knox County, TN, Loudon County, TN, Marion County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Morgan County, TN, Polk County, TN, Rhea County, TN, Roane County, TN, Scott County, TN, Sequatchie County, TN, Sevier County, TN, Sullivan County, TN, Unicoi County, TN, Union County, TN, Washington County, TN, City of Bristol, VA, City of Norton, VA, Lee County, VA, Russell County, VA, Scott County, VA, Washington County, VA, Wise County, VA
The radar
The Knoxville radar (KMRX), 23 km from the middle of the area, began a volume at 19:12 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 12:00Z, 7.1 hours before the alert went out and 266 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
- 12 J/kg
- Mixed-layer CIN
- -126 J/kg
- Mixed-layer LCL
- 525 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 260 m²/s²
- 0-3 km storm-relative helicity
- 372 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
088 WWUS74 KMRX 101908 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 208 PM EST Fri Dec 10 2021 TNZ041-072-074-087-110500- /O.CON.KMRX.HW.W.0009.211211T0300Z-211211T2100Z/ Cocke Smoky Mountains-Blount Smoky Mountains-Sevier Smoky Mountains-Southeast Monroe- Including the cities of Coker Creek, Gatlinburg, Cades Cove, Hartford, Citico, and Elkmont 208 PM EST Fri Dec 10 2021 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 4 PM EST SATURDAY... * WHAT...South winds 20 to 30 mph with gusts up to 60 mph expected. * WHERE...Blount Smoky Mountains, Cocke Smoky Mountains, Sevier Smoky Mountains and Southeast Monroe Counties. * WHEN...From 10 PM this evening to 4 PM EST Saturday. * 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... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ TNZ012>014-035-081-082-098-110500- /O.NEW.KMRX.WI.Y.0020.211211T0300Z-211211T2100Z/ Scott-Campbell-Claiborne-Morgan-Sequatchie-Bledsoe-Marion- Including the cities of Slick Rock, La Follette, Howard Quarter, Springdale, Clairfield, South Pittsburg, Monteagle, Whitwell, Fincastle, Huntsville, Norma, Dunlap, Powells Crossroads, Cagle, Palio, Pine Orchard, Sandlick, Harrogate-Shawanee, Jasper, Smokey Junction, Big South Fork National, Brayton, Petros, Oneida, Royal Blue, Arthur, High Point, Melvine, Haletown (Guild), Pikeville, Lone Mountain, Lone Oak, Elgin, Old Cumberland, Jellico, Cartwright, Caryville, Elk Valley, White Oak, Martin Springs, and Mount Crest 208 PM EST Fri Dec 10 2021 /108 PM CST Fri Dec 10 2021/ ...WIND ADVISORY IN EFFECT FROM 10 PM EST /9 PM CST/ THIS EVENING TO 4 PM EST /3 PM CST/ SATURDAY... * WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Bledsoe, Campbell, Claiborne, Marion, Morgan, Scott and Sequatchie Counties. * WHEN...From 10 PM EST /9 PM CST/ this evening to 4 PM EST /3 PM CST/ Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ TNZ018-043-045-047-VAZ002-006-008-110500- /O.NEW.KMRX.WI.Y.0020.211211T1200Z-211211T2100Z/ Johnson-Southeast Greene-Unicoi-Southeast Carter-Wise-Russell- Washington- Including the cities of Bristol VA, Big Stone Gap, Appalachia, Doeville, Pardee, Castlewood, Norton, Shady Valley, Cedar Creek, Mountain City, Dye, Wise, Abingdon, Erwin, Rosedale, Unicoi, Honaker, Laurel Bloomery, Hampton, Limestone Cove, Lebanon, Trade, Neva, Benhams, Hansonville, and Coeburn 208 PM EST Fri Dec 10 2021 ...WIND ADVISORY IN EFFECT FROM 7 AM TO 4 PM EST SATURDAY... * WHAT...Southwest winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...In Tennessee, Johnson, Southeast Carter, Southeast Greene and Unicoi Counties. In Virginia, Russell, Washington and Wise Counties. * WHEN...From 7 AM to 4 PM EST Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ TD
3 follow-up statements
492 WWUS74 KMRX 110153 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 853 PM EST Fri Dec 10 2021 TNZ041-072-074-087-111000- /O.CON.KMRX.HW.W.0009.211211T0300Z-211211T2100Z/ Cocke Smoky Mountains-Blount Smoky Mountains-Sevier Smoky Mountains-Southeast Monroe- Including the cities of Coker Creek, Gatlinburg, Cades Cove, Hartford, Citico, and Elkmont 853 PM EST Fri Dec 10 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM EST SATURDAY... * WHAT...South winds 20 to 30 mph with gusts up to 60 mph expected. * WHERE...Blount Smoky Mountains, Cocke Smoky Mountains, Sevier Smoky Mountains and Southeast Monroe Counties. * WHEN...Until 4 PM EST Saturday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ TNZ012>014-035-081-082-098-111000- /O.CON.KMRX.WI.Y.0020.211211T0300Z-211211T2100Z/ Scott-Campbell-Claiborne-Morgan-Sequatchie-Bledsoe-Marion- Including the cities of Slick Rock, La Follette, Howard Quarter, Springdale, Clairfield, South Pittsburg, Monteagle, Whitwell, Fincastle, Huntsville, Norma, Dunlap, Powells Crossroads, Cagle, Palio, Pine Orchard, Sandlick, Harrogate-Shawanee, Jasper, Smokey Junction, Big South Fork National, Brayton, Petros, Oneida, Royal Blue, Arthur, High Point, Melvine, Haletown (Guild), Pikeville, Lone Mountain, Lone Oak, Elgin, Old Cumberland, Jellico, Cartwright, Caryville, Elk Valley, White Oak, Martin Springs, and Mount Crest 853 PM EST Fri Dec 10 2021 /753 PM CST Fri Dec 10 2021/ ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST/3 PM CST/ SATURDAY... * WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Bledsoe, Campbell, Claiborne, Marion, Morgan, Scott and Sequatchie Counties. * WHEN...Until 4 PM EST/3 PM CST/ Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ TNZ018-043-045-047-VAZ002-006-008-111000- /O.CON.KMRX.WI.Y.0020.211211T1200Z-211211T2100Z/ Johnson-Southeast Greene-Unicoi-Southeast Carter-Wise-Russell- Washington- Including the cities of Bristol VA, Big Stone Gap, Appalachia, Doeville, Pardee, Castlewood, Norton, Shady Valley, Cedar Creek, Mountain City, Dye, Wise, Abingdon, Erwin, Rosedale, Unicoi, Honaker, Laurel Bloomery, Hampton, Limestone Cove, Lebanon, Trade, Neva, Benhams, Hansonville, and Coeburn 853 PM EST Fri Dec 10 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 7 AM TO 4 PM EST SATURDAY... * WHAT...Southwest winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...In Tennessee, Johnson, Southeast Carter, Southeast Greene and Unicoi Counties. In Virginia, Russell, Washington and Wise Counties. * WHEN...From 7 AM to 4 PM EST Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ CM
025 WWUS74 KMRX 110732 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 232 AM EST Sat Dec 11 2021 TNZ041-072-074-087-111545- /O.CON.KMRX.HW.W.0009.000000T0000Z-211211T2100Z/ Cocke Smoky Mountains-Blount Smoky Mountains-Sevier Smoky Mountains-Southeast Monroe- Including the cities of Coker Creek, Gatlinburg, Cades Cove, Hartford, Citico, and Elkmont 232 AM EST Sat Dec 11 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... * WHAT...Southwest winds 25 to 40 mph with gusts up to 70 mph. * WHERE...Blount Smoky Mountains, Cocke Smoky Mountains, Sevier Smoky Mountains and Southeast Monroe Counties. * WHEN...Until 4 PM EST this afternoon. * IMPACTS...Damaging winds will blow down trees and power lines. Isolated power outages are expected. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ TNZ015>017-036>040-042-044-046-067>071-073-083>086-099>102-VAZ001- 005-111545- /O.EXA.KMRX.WI.Y.0020.211211T1200Z-211211T2100Z/ Hancock-Hawkins-Sullivan-Anderson-Union-Grainger-Hamblen- Northwest Cocke-Northwest Greene-Washington-Northwest Carter- Roane-Loudon-Knox-Jefferson-Northwest Blount-North Sevier-Rhea- Meigs-McMinn-Northwest Monroe-Hamilton-Bradley-West Polk-East Polk-Lee-Scott- Including the cities of Paulette, White Pine, Russellville, Bristol TN, Grandview, Harriman, Bybee, Knoxville, Rockwood, Athens, Evanston, Reliance, Dentville, Dayton, Morristown, Tasso, Strawberry Plains, Turtletown, Loudon, Elizabethton, Seymour, Hiltons, Chestnut Hill, Maynardville, Harrisburg, Bearden, Bullet Creek, Bradbury, Norris Lake, Luttrell, Sweetwater, Greeneville, Bean Station, Sneedville, Fairview, Mooresburg, Alpha, Treadway, Evensville, Chattanooga, Pigeon Forge, Maryville, McMahan, Oliver Springs, Alcoa, Benton, Lake Forest, Jefferson City, Kodak, Dandridge, Newport, Big Frog Mountain, Big Spring, Kyles Ford, Clear Water, Happy Valley, Etowah, Sevierville, Lenoir City, Spring City, Clinton, Johnson City, Rose Hill, Conasauga, Parksville, Kingston, Kingsport, Old Washington, Oak Ridge, Archville, Cleveland, Sharps Chapel, Ducktown, South Holston Dam, Eagle Furnace, and Madisonville 232 AM EST Sat Dec 11 2021 ...WIND ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 4 PM EST THIS AFTERNOON... * WHAT...Southwest winds increasing to 15 to 30 mph with gusts up to 45 mph expected. * WHERE...Most of east Tennessee, and portions of southwest Virginia. * WHEN...From 7 AM this morning to 4 PM EST this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. && $$ TNZ012>014-035-081-082-098-111545- /O.CON.KMRX.WI.Y.0020.000000T0000Z-211211T2100Z/ Scott-Campbell-Claiborne-Morgan-Sequatchie-Bledsoe-Marion- Including the cities of Slick Rock, La Follette, Howard Quarter, Springdale, Clairfield, South Pittsburg, Monteagle, Whitwell, Fincastle, Huntsville, Norma, Dunlap, Powells Crossroads, Cagle, Palio, Pine Orchard, Sandlick, Harrogate-Shawanee, Jasper, Smokey Junction, Big South Fork National, Brayton, Petros, Oneida, Royal Blue, Arthur, High Point, Melvine, Haletown (Guild), Pikeville, Lone Mountain, Lone Oak, Elgin, Old Cumberland, Jellico, Cartwright, Caryville, Elk Valley, White Oak, Martin Springs, and Mount Crest 232 AM EST Sat Dec 11 2021 /132 AM CST Sat Dec 11 2021/ ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST/3 PM CST/ THIS AFTERNOON... * WHAT...Southwest winds 15 to 30 mph with gusts up to 45 mph. * WHERE...Bledsoe, Campbell, Claiborne, Marion, Morgan, Scott and Sequatchie Counties. * WHEN...Until 4 PM EST/3 PM CST/ this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ TNZ018-043-045-047-VAZ002-006-008-111545- /O.CON.KMRX.WI.Y.0020.211211T1200Z-211211T2100Z/ Johnson-Southeast Greene-Unicoi-Southeast Carter-Wise-Russell- Washington- Including the cities of Bristol VA, Big Stone Gap, Appalachia, Doeville, Pardee, Castlewood, Norton, Shady Valley, Cedar Creek, Mountain City, Dye, Wise, Abingdon, Erwin, Rosedale, Unicoi, Honaker, Laurel Bloomery, Hampton, Limestone Cove, Lebanon, Trade, Neva, Benhams, Hansonville, and Coeburn 232 AM EST Sat Dec 11 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 4 PM EST THIS AFTERNOON... * WHAT...Southwest winds increasing to 15 to 30 mph with gusts up to 45 mph expected. * WHERE...In Tennessee, Johnson, Southeast Carter, Southeast Greene and Unicoi Counties. In Virginia, Russell, Washington and Wise Counties. * WHEN...From 7 AM this morning to 4 PM EST this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ DH
275 WWUS74 KMRX 111953 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 253 PM EST Sat Dec 11 2021 TNZ041-072-074-087-112100- /O.CAN.KMRX.HW.W.0009.000000T0000Z-211211T2100Z/ Cocke Smoky Mountains-Blount Smoky Mountains- Sevier Smoky Mountains-Southeast Monroe- 253 PM EST Sat Dec 11 2021 ...HIGH WIND WARNING IS CANCELLED... With the passage of the squall line, winds have dropped below warning criteria. $$ TNZ012>018-035>040-042>047-067>071-073-081>086-098>102-VAZ001-002- 005-006-008-112100- /O.CAN.KMRX.WI.Y.0020.000000T0000Z-211211T2100Z/ Scott-Campbell-Claiborne-Hancock-Hawkins-Sullivan-Johnson-Morgan- Anderson-Union-Grainger-Hamblen-Northwest Cocke-Northwest Greene- Southeast Greene-Washington-Unicoi-Northwest Carter- Southeast Carter-Roane-Loudon-Knox-Jefferson-Northwest Blount- North Sevier-Sequatchie-Bledsoe-Rhea-Meigs-McMinn- Northwest Monroe-Marion-Hamilton-Bradley-West Polk-East Polk-Lee- Wise-Russell- 253 PM EST Sat Dec 11 2021 /153 PM CST Sat Dec 11 2021/ ...WIND ADVISORY IS CANCELLED... With the passage of the squall line, winds have dropped below advisory criteria, and will continue to diminish through evening. $$
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 3:05 AM EST | High Wind Warning | MRX | Blount, Cocke, Monroe, Sevier | 36 hr |
Nearby
Wind Advisories in Tennessee, 2021Wind Advisories in Virginia, 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.