Alert archive / Tennessee / High Wind Warnings in 2017
High Wind Warning 4, NWS Morristown, TN
NWS Morristown, TN issued this high wind warning at Dec 23, 2017, 8:32 AM EST for Blount County, Cocke County, Sevier County, Tennessee. It was in force for 7 hr. 2 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 23, 2017, 8:32 AM EST (13:32 UTC)
- Expired
- Dec 23, 2017, 3:22 PM EST
- In force
- 7 hr
- Issued by
- NWS Morristown, TN
Counties Blount County, TN, Cocke County, TN, Sevier County, TN
The radar
The Knoxville radar (KMRX), 42 km from the middle of the area, began a volume at 13:32 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 23, 10:35 AM EST | NON-TSTM WND GST 41 | Sevierville, TN | GKT AWOS |
| Dec 23, 11:30 AM EST | NON-TSTM WND GST 78 | 2 W Gatlinburg, TN | 78 MPH WIND GUST REPORTED BY COVE MOUNTAIN WIND TOWER. TIME OF OCCURRENCE IS ESTIMATED. WINDS DUE TO STRONG GRADIENT WINDS. |
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 12:00Z, 1.5 hours before the alert went out and 279 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
- 462 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- -230 m²/s²
- 0-3 km storm-relative helicity
- -220 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
602 WWUS74 KMRX 231332 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 832 AM EST Sat Dec 23 2017 ...Windy conditions expected across the higher elevations through this afternoon... .An area of low pressure tracking toward the region will bring strong southwesterly winds today. Wind are expected to subside behind the cold front late this afternoon. TNZ041-072-074-232100- /O.UPG.KMRX.WI.Y.0027.000000T0000Z-171223T2100Z/ /O.NEW.KMRX.HW.W.0004.171223T1332Z-171223T2100Z/ Cocke Smoky Mountains-Blount Smoky Mountains- Sevier Smoky Mountains- Including the cities of Cosby, Cades Cove, and Gatlinburg 832 AM EST Sat Dec 23 2017 ...HIGH WIND WARNING IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... The National Weather Service in Morristown has issued a High Wind Warning, which is in effect until 4 PM EST this afternoon. The Wind Advisory is no longer in effect. * EVENT...Southwest winds of 25 to 40 mph with gusts to 65 mph are expected across the higher elevations. * TIMING...Through this afternoon. * IMPACTS...These winds may down trees or tree limbs...as well as power lines. Strong winds combined with saturated soils may also lead to downed trees and localized power outages. Loose outdoor objects should be secured. Motorists should be extra cautious to cross winds especially when driving in the higher elevations. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph and/or gusts of 58 mph or stronger can be expected at times. Winds of these magnitudes can cause property damage and power outages. Motorists should use caution...especially those in high profile vehicles. && $$ TNZ012>017-035>040-042-044-046-067>071-073-081>086-098>101-VAZ001- 002-005-006-008-232000- /O.EXB.KMRX.WI.Y.0027.000000T0000Z-171223T2000Z/ Scott TN-Campbell-Claiborne-Hancock-Hawkins-Sullivan-Morgan- Anderson-Union-Grainger-Hamblen-Northwest Cocke-Northwest Greene- Washington TN-Northwest Carter-Roane-Loudon-Knox-Jefferson- NW Blount-North Sevier-Sequatchie-Bledsoe-Rhea-Meigs-McMinn- Northwest Monroe-Marion-Hamilton-Bradley-West Polk-Lee-Wise-Scott- Russell-Washington- Including the cities of Oneida, La Follette, Tazewell, Sneedville, Rogersville, Kingsport, Bristol, Wartburg, Clinton, Oak Ridge, Maynardville, Rutledge, Morristown, Newport, Greeneville, Johnson City, Elizabethton, Kingston, Lenoir City, Knoxville, Dandridge, Maryville, Sevierville, Dunlap, Pikeville, Dayton, Decatur, Athens, Madisonville, Jasper, Chattanooga, Cleveland, Benton, Jonesville, Wise, Norton, Gate City, Lebanon, and Abingdon 832 AM EST Sat Dec 23 2017 /732 AM CST Sat Dec 23 2017/ ...WIND ADVISORY IN EFFECT UNTIL 3 PM EST /2 PM CST/ THIS AFTERNOON... The National Weather Service in Morristown has issued a Wind Advisory, which is in effect until 3 PM EST /2 PM CST/ this afternoon. * EVENT...Southwest winds of 15 to 30 mph with gusts to 45 mph are expected across the higher elevations. * TIMING...Through this afternoon. * IMPACTS...These winds may down trees or tree limbs...as well as power lines. Strong winds combined with saturated soils may also lead to downed trees and localized power outages. Loose outdoor objects should be secured. Motorists should be extra cautious to cross winds especially when driving in the higher elevations. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 26 to 39 mph and/or gusts of 40 to 57 mph are expected or occurring. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ NCZ060-061-TNZ018-043-045-047-087-102-232100- /O.CON.KMRX.WI.Y.0027.000000T0000Z-171223T2100Z/ Cherokee-Clay-Johnson-Southeast Greene-Unicoi-Southeast Carter- Southeast Monroe-East Polk- Including the cities of Murphy, Hayesville, Mountain City, Cedar Creek, Erwin, Roan Mountain, Coker Creek, and Ducktown 832 AM EST Sat Dec 23 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... * EVENT...Southwest winds of 20 to 35 mph with gusts to 50 mph are expected across the higher elevations. * TIMING...Through this afternoon. * IMPACTS...These winds may down trees or tree limbs...as well as power lines. Strong winds combined with saturated soils may also lead to downed trees and localized power outages. Loose outdoor objects should be secured. Motorists should be extra cautious to cross winds especially when driving in the higher elevations. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 26 to 39 mph and/or gusts of 40 to 57 mph are expected or occurring. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$
2 follow-up statements
692 WWUS74 KMRX 231543 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 1043 AM EST Sat Dec 23 2017 ...Windy conditions expected across the higher elevations through this afternoon... .An area of low pressure tracking toward the region will bring strong southwesterly winds today. Wind are expected to subside behind the cold front late this afternoon. TNZ041-072-074-232100- /O.CON.KMRX.HW.W.0004.000000T0000Z-171223T2100Z/ Cocke Smoky Mountains-Blount Smoky Mountains- Sevier Smoky Mountains- Including the cities of Cosby, Cades Cove, and Gatlinburg 1043 AM EST Sat Dec 23 2017 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... * EVENT...Southwest winds of 25 to 40 mph with gusts to 65 mph are expected across the higher elevations. * TIMING...Through early this afternoon. * IMPACTS...These winds may down trees or tree limbs...as well as power lines. Strong winds combined with saturated soils may also lead to downed trees and localized power outages. Loose outdoor objects should be secured. Motorists should be extra cautious to cross winds especially when driving in the higher elevations. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph and/or gusts of 58 mph or stronger can be expected at times. Winds of these magnitudes can cause property damage and power outages. Motorists should use caution...especially those in high profile vehicles. && $$ NCZ060-061-TNZ018-043-045-047-087-102-232100- /O.CON.KMRX.WI.Y.0027.000000T0000Z-171223T2100Z/ Cherokee-Clay-Johnson-Southeast Greene-Unicoi-Southeast Carter- Southeast Monroe-East Polk- Including the cities of Murphy, Hayesville, Mountain City, Cedar Creek, Erwin, Roan Mountain, Coker Creek, and Ducktown 1043 AM EST Sat Dec 23 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... * EVENT...Southwest winds of 20 to 30 mph with gusts to 50 mph are expected across the higher elevations. * TIMING...Through early this afternoon. * IMPACTS...These winds may down trees or tree limbs...as well as power lines. Strong winds combined with saturated soils may also lead to downed trees and localized power outages. Loose outdoor objects should be secured. Motorists should be extra cautious to cross winds especially when driving in the higher elevations. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 26 to 39 mph and/or gusts of 40 to 57 mph are expected or occurring. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ TNZ012>017-035>040-042-044-046-067>071-073-081>086-098>101-VAZ001- 002-005-006-008-232000- /O.CON.KMRX.WI.Y.0027.000000T0000Z-171223T2000Z/ Scott TN-Campbell-Claiborne-Hancock-Hawkins-Sullivan-Morgan- Anderson-Union-Grainger-Hamblen-Northwest Cocke-Northwest Greene- Washington TN-Northwest Carter-Roane-Loudon-Knox-Jefferson- NW Blount-North Sevier-Sequatchie-Bledsoe-Rhea-Meigs-McMinn- Northwest Monroe-Marion-Hamilton-Bradley-West Polk-Lee-Wise-Scott- Russell-Washington- Including the cities of Oneida, La Follette, Tazewell, Sneedville, Rogersville, Kingsport, Bristol, Wartburg, Clinton, Oak Ridge, Maynardville, Rutledge, Morristown, Newport, Greeneville, Johnson City, Elizabethton, Kingston, Lenoir City, Knoxville, Dandridge, Maryville, Sevierville, Dunlap, Pikeville, Dayton, Decatur, Athens, Madisonville, Jasper, Chattanooga, Cleveland, Benton, Jonesville, Wise, Norton, Gate City, Lebanon, and Abingdon 1043 AM EST Sat Dec 23 2017 /943 AM CST Sat Dec 23 2017/ ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM EST /2 PM CST/ THIS AFTERNOON... * EVENT...Southwest winds of 15 to 30 mph with gusts to 40 mph are expected across the higher elevations. * TIMING...Through early this afternoon. * IMPACTS...These winds may down trees or tree limbs...as well as power lines. Strong winds combined with saturated soils may also lead to downed trees and localized power outages. Loose outdoor objects should be secured. Motorists should be extra cautious to cross winds especially when driving in the higher elevations. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 26 to 39 mph and/or gusts of 40 to 57 mph are expected or occurring. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$
049 WWUS74 KMRX 232022 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 322 PM EST Sat Dec 23 2017 ...Strong Winds Diminishing... .Strong storm system that produced the windy conditions across the Tennessee Valley and southern Appalachians is moving east of the region. This will allow the winds to subside across the area the rest of the day. TNZ041-072-074-232130- /O.CAN.KMRX.HW.W.0004.000000T0000Z-171223T2100Z/ Cocke Smoky Mountains-Blount Smoky Mountains- Sevier Smoky Mountains- Including the cities of Cosby, Cades Cove, and Gatlinburg 322 PM EST Sat Dec 23 2017 ...HIGH WIND WARNING IS CANCELLED... The National Weather Service in Morristown has cancelled the High Wind Warning. Westerly winds of 15 to 30 mph with gusts to 40 mph will subside to 15 to 25 mph and gusty by sunset. $$ NCZ060-061-TNZ018-043-045-047-087-102-232130- /O.CAN.KMRX.WI.Y.0027.000000T0000Z-171223T2100Z/ Cherokee-Clay-Johnson-Southeast Greene-Unicoi-Southeast Carter- Southeast Monroe-East Polk- Including the cities of Murphy, Hayesville, Mountain City, Cedar Creek, Erwin, Roan Mountain, Coker Creek, and Ducktown 322 PM EST Sat Dec 23 2017 ...WIND ADVISORY IS CANCELLED... The National Weather Service in Morristown has cancelled the Wind Advisory. Westerly winds of 15 to 25 mph with gusts to 30 mph will subside to 5 to 15 mph and gusty by sunset. $$ TNZ012>017-035>040-042-044-046-067>071-073-081>086-098>101-VAZ001- 002-005-006-008-232130- /O.EXP.KMRX.WI.Y.0027.000000T0000Z-171223T2000Z/ Scott TN-Campbell-Claiborne-Hancock-Hawkins-Sullivan-Morgan- Anderson-Union-Grainger-Hamblen-Northwest Cocke-Northwest Greene- Washington TN-Northwest Carter-Roane-Loudon-Knox-Jefferson- NW Blount-North Sevier-Sequatchie-Bledsoe-Rhea-Meigs-McMinn- Northwest Monroe-Marion-Hamilton-Bradley-West Polk-Lee-Wise-Scott- Russell-Washington- Including the cities of Oneida, La Follette, Tazewell, Sneedville, Rogersville, Kingsport, Bristol, Wartburg, Clinton, Oak Ridge, Maynardville, Rutledge, Morristown, Newport, Greeneville, Johnson City, Elizabethton, Kingston, Lenoir City, Knoxville, Dandridge, Maryville, Sevierville, Dunlap, Pikeville, Dayton, Decatur, Athens, Madisonville, Jasper, Chattanooga, Cleveland, Benton, Jonesville, Wise, Norton, Gate City, Lebanon, and Abingdon 322 PM EST Sat Dec 23 2017 /222 PM CST Sat Dec 23 2017/ ...WIND ADVISORY HAS EXPIRED... Westerly winds of 10 to 20 mph with gusts to 30 mph will subside to 5 to 10 mph and gusty by sunset. $$
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 23, 8:25 AM EST | Special Weather Statement | MRX | Campbell, Morgan, Scott | 50 min |
| Dec 23, 8:49 AM EST | Special Weather Statement | MRX | Bledsoe, Marion, Sequatchie | 41 min |
| Dec 23, 9:13 AM EST | Special Weather Statement | MRX | Campbell, Morgan, Scott | 47 min |
| Dec 23, 9:14 AM EST | Areal Flood Advisory | MRX | Anderson, Campbell, Claiborne, Morgan, Scott | 3 hr |
| Dec 23, 9:23 AM EST | Special Weather Statement | MRX | Bledsoe, Hamilton, Marion, Meigs, Rhea, Sequatchie | 52 min |
| Dec 23, 9:44 AM EST | Special Weather Statement | MRX | Anderson, Knox, Loudon, Roane | 61 min |
| Dec 23, 9:48 AM EST | Special Weather Statement | MRX | Claiborne, Grainger, Hancock, Union | 57 min |
| Dec 23, 11:05 AM EST | Special Weather Statement | MRX | Blount, Jefferson, Knox, Loudon | 40 min |
| Dec 23, 11:29 AM EST | Special Weather Statement | MRX | Blount, Cocke, Hamblen, Jefferson, Sevier | 61 min |
Nearby
High Wind Warnings in Tennessee, 2017Every high wind warning in 2017
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.