Alert archive / Tennessee / High Wind Warnings in 2021

High Wind Warning 9, NWS Morristown, TN

December 10, 20214 counties in Tennessee

NWS Morristown, TN issued this high wind warning at Dec 10, 2021, 3:05 AM EST for 4 counties in Tennessee. It took effect at Dec 10, 2021, 10:00 PM EST. It was in force for 17 hr. 12 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 10, 2021, 3:05 AM EST (08:05 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

Counties Blount County, TN, Cocke County, TN, Monroe County, TN, Sevier County, TN

The radar

The Knoxville radar (KMRX), 58 km from the middle of the area, began a volume at 08:07 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.

What was reported inside it

TimeReportWhereRemark
Dec 11, 8:00 AM ESTNON-TSTM WND GST 733 Ese Wears Valley, TNCORRECTS PREVIOUS NON-TSTM WND GST REPORT FROM 4 W GATLINBURG. COVE MOUNTAIN.
Dec 11, 8:00 AM ESTNON-TSTM WND GST 733 Ese Wears Valley, TNCORRECTS PREVIOUS NON-TSTM WND GST REPORT FROM 4 W GATLINBURG. COVE MOUNTAIN TOWER.
Dec 11, 8:00 AM ESTNON-TSTM WND GST 734 W Gatlinburg, TNCORRECTS PREVIOUS NON-TSTM WND GST REPORT FROM 4 W GATLINBURG. COVE MOUNTAIN.
Dec 11, 8:00 AM ESTNON-TSTM WND GST 734 W Gatlinburg, TNCOVE MOUNTAIN.
Dec 11, 8:34 AM ESTNON-TSTM WND GST 519 S Maryville, TNLOOK ROCK TOWER.
Dec 11, 10:00 AM ESTNON-TSTM WND GST 813 Ese Wears Valley, TNRECORDED FROM COVE MOUNTAIN TOWER.
Dec 11, 10:10 AM ESTNON-TSTM WND GST 522 Nw Madisonville, TNAWOS STATION KMNV MONROE COUNTY AIRPORT.
Dec 11, 10:35 AM ESTNON-TSTM WND GST 622 N Alcoa, TNASOS STATION KTYS KNOXVILLE MCGHEE TYSON.
Dec 11, 10:40 AM ESTTSTM WND DMG1 Sw Wildwood, TNMULTIPLE TREES DOWN ON HWY 411.
Dec 11, 10:40 AM ESTTSTM WND DMG5 E Madisonville, TNNUMEROUS TREES DOWN ACROSS THE COUNTY.
Dec 11, 11:10 AM ESTTSTM WND DMGSevierville, TNMULTIPLE REPORTS OF TREES BLOWN DOWN.
Dec 11, 12:00 PM ESTNON-TSTM WND GST 462 Ene Cades Cove, TNMEASURED AT CADES COVE AIR QUALITY SITE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 8.1 hours before the alert went out and 265 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 2021-12-10Temperature 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 2021-12-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 512 square meters per square second.19395878Sfc1 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
1029 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
512 m²/s²
0-3 km storm-relative helicity
570 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

654 
WWUS74 KMRX 100805
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
305 AM EST Fri Dec 10 2021

TNZ041-072-074-087-102100-
/O.UPG.KMRX.HW.A.0008.211211T0000Z-211211T2100Z/
/O.NEW.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
305 AM EST Fri Dec 10 2021

...HIGH WIND WARNING IN EFFECT FROM 10 PM THIS EVENING TO 4 PM EST 
SATURDAY...

* WHAT...Southerly winds increasing to 25 to 40 mph with gusts up to 
  65 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. 
  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.

&&

$$

DH
4 follow-up statements
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
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.

IssuedProductOfficeCountiesLasted
Dec 10, 2:08 PM ESTWind AdvisoryMRXAnderson, Bledsoe, Blount, Bradley, Campbell, Carter and 27 more25 hr

Nearby

High Wind Warnings in Tennessee, 2021Every high wind warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.