Alert archive / Tennessee / High Wind Watches in 2021
High Wind Watch 2, NWS Morristown, TN
NWS Morristown, TN issued this high wind watch at Feb 3, 2021, 3:15 PM EST for 5 counties in Tennessee. It took effect at Feb 4, 2021, 4:00 PM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 3, 2021, 3:15 PM EST (20:15 UTC)
- In effect from
- Feb 4, 2021, 4:00 PM EST
- Expired
- Feb 4, 2021, 3:19 AM EST
- In force
- Issued by
- NWS Morristown, TN
Counties Blount County, TN, Cocke County, TN, Greene County, TN, Monroe County, TN, Sevier County, TN
The radar
The Knoxville radar (KMRX), 42 km from the middle of the area, began a volume at 20:18 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, 8.3 hours before the alert went out and 278 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
- 879 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
820 WWUS74 KMRX 032015 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 315 PM EST Wed Feb 3 2021 TNZ041-043-072-074-087-040930- /O.NEW.KMRX.HW.A.0002.210204T2100Z-210205T0900Z/ Cocke Smoky Mountains-Southeast Greene-Blount Smoky Mountains- Sevier Smoky Mountains-Southeast Monroe- Including the cities of Hartford, Cedar Creek, Cades Cove, Elkmont, Gatlinburg, Citico, and Coker Creek 315 PM EST Wed Feb 3 2021 ...HIGH WIND WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH EARLY FRIDAY MORNING... * WHAT...South winds 20 to 40 mph with gusts up to 60 mph possible. * WHERE...Mountains and Foothills of Cocke Smoky Mountains, Southeast Greene, Blount Smoky Mountains, Sevier Smoky Mountains and Southeast Monroe Counties. * WHEN...From Thursday afternoon through early Friday morning. * IMPACTS...Damaging winds could blow down trees and power lines. Isolated 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. && $$
1 follow-up statement
924 WWUS74 KMRX 040819 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 319 AM EST Thu Feb 4 2021 TNZ041-043-072-074-087-042100- /O.UPG.KMRX.HW.A.0002.210204T2100Z-210205T0900Z/ /O.NEW.KMRX.HW.W.0002.210204T2100Z-210205T0700Z/ Cocke Smoky Mountains-Southeast Greene-Blount Smoky Mountains- Sevier Smoky Mountains-Southeast Monroe- Including the cities of Hartford, Cedar Creek, Cades Cove, Elkmont, Gatlinburg, Citico, and Coker Creek 319 AM EST Thu Feb 4 2021 ...HIGH WIND WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO 2 AM EST FRIDAY... * WHAT...South winds 20 to 40 mph with gusts up to 70 mph expected. * WHERE...Cocke Smoky Mountains, Southeast Greene, Blount Smoky Mountains, Sevier Smoky Mountains and Southeast Monroe Counties. * WHEN...From 4 PM this afternoon to 2 AM EST Friday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ TNZ012-035-081-082-098-042100- /O.NEW.KMRX.WI.Y.0003.210204T2100Z-210205T0300Z/ Scott-Morgan-Sequatchie-Bledsoe-Marion- Including the cities of Big South Fork National, Oneida, Smokey Junction, Elgin, Huntsville, Norma, Slick Rock, Pine Orchard, High Point, Petros, Cagle, Dunlap, Cartwright, Lone Oak, Old Cumberland, Palio, Melvine, Mount Crest, Pikeville, Brayton, South Pittsburg, Haletown (Guild), Jasper, Martin Springs, Whitwell, Powells Crossroads, and Monteagle 319 AM EST Thu Feb 4 2021 /219 AM CST Thu Feb 4 2021/ ...WIND ADVISORY IN EFFECT FROM 4 PM EST /3 PM CST/ THIS AFTERNOON TO 10 PM EST /9 PM CST/ THIS EVENING... * WHAT...South winds 10 to 20 mph with gusts up to 40 mph expected. * WHERE...Scott, Morgan, Sequatchie, Bledsoe and Marion Counties. * WHEN...From 4 PM EST /3 PM CST/ this afternoon to 10 PM EST /9 PM CST/ this evening. * 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. && $$ TNZ045-047-102-042100- /O.NEW.KMRX.WI.Y.0003.210204T2100Z-210205T0700Z/ Unicoi-Southeast Carter-East Polk- Including the cities of Erwin, Unicoi, Limestone Cove, Hampton, Big Frog Mountain, Ducktown, and Turtletown 319 AM EST Thu Feb 4 2021 ...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 2 AM EST FRIDAY... * WHAT...South winds 15 to 30 mph with gusts up to 50 mph expected. * WHERE...Unicoi, Southeast Carter and East Polk Counties. * WHEN...From 4 PM this afternoon to 2 AM EST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
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.