Alert archive / Tennessee / High Wind Watches in 2021
High Wind Watch 1, NWS Morristown, TN
NWS Morristown, TN issued this high wind watch at Jan 29, 2021, 2:51 PM EST for 8 counties in Tennessee. It took effect at Jan 30, 2021, 10:00 PM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jan 29, 2021, 2:51 PM EST (19:51 UTC)
- In effect from
- Jan 30, 2021, 10:00 PM EST
- Expired
- Jan 30, 2021, 3:07 AM EST
- In force
- Issued by
- NWS Morristown, TN
Counties Blount County, TN, Carter County, TN, Cocke County, TN, Greene County, TN, Johnson County, TN, Monroe County, TN, Sevier County, TN, Unicoi County, TN
The radar
The Knoxville radar (KMRX), 41 km from the middle of the area, began a volume at 19:55 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 12:00Z, 7.9 hours before the alert went out and 280 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
- 1332 m above ground
- 0-6 km bulk shear
- 81 kt
- 0-1 km storm-relative helicity
- -100 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
921 WWUS74 KMRX 291951 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 251 PM EST Fri Jan 29 2021 TNZ018-041-043-045-047-072-074-087-300500- /O.NEW.KMRX.HW.A.0001.210131T0300Z-210131T1700Z/ Johnson-Cocke Smoky Mountains-Southeast Greene-Unicoi- Southeast Carter-Blount Smoky Mountains-Sevier Smoky Mountains- Southeast Monroe- Including the cities of Doeville, Mountain City, Neva, Shady Valley, Trade, Laurel Bloomery, Hartford, Cedar Creek, Erwin, Unicoi, Limestone Cove, Hampton, Cades Cove, Elkmont, Gatlinburg, Citico, and Coker Creek 251 PM EST Fri Jan 29 2021 ...HIGH WIND WATCH IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY MORNING... * WHAT...South winds 25 to 35 mph with gusts up to 70 mph possible. * WHERE...Portions of the east Tennessee mountains. * WHEN...From Saturday evening through Sunday morning. * 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. && $$
2 follow-up statements
885 WWUS74 KMRX 300328 AAA NPWMRX URGENT - WEATHER MESSAGE...UPDATED National Weather Service Morristown TN 1028 PM EST Fri Jan 29 2021 TNZ018-041-043-045-047-072-074-087-301100- /O.CON.KMRX.HW.A.0001.210131T0300Z-210131T1700Z/ Johnson-Cocke Smoky Mountains-Southeast Greene-Unicoi- Southeast Carter-Blount Smoky Mountains-Sevier Smoky Mountains- Southeast Monroe- Including the cities of Doeville, Mountain City, Neva, Shady Valley, Trade, Laurel Bloomery, Hartford, Cedar Creek, Erwin, Unicoi, Limestone Cove, Hampton, Cades Cove, Elkmont, Gatlinburg, Citico, and Coker Creek 1028 PM EST Fri Jan 29 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY MORNING... * WHAT...South winds 25 to 35 mph with gusts up to 70 mph possible. * WHERE...Portions of the east Tennessee mountains. * WHEN...From Saturday evening through Sunday morning. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ TD
997 WWUS74 KMRX 300807 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 307 AM EST Sat Jan 30 2021 TNZ041-043-072-074-087-301800- /O.UPG.KMRX.HW.A.0001.210131T0300Z-210131T1700Z/ /O.NEW.KMRX.HW.W.0001.210131T0300Z-210131T1700Z/ 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 307 AM EST Sat Jan 30 2021 ...HIGH WIND WARNING IN EFFECT FROM 10 PM THIS EVENING TO NOON EST SUNDAY... * WHAT...South winds 25 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 10 PM this evening to noon EST Sunday. * 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. && $$ TNZ018-045-047-301800- /O.UPG.KMRX.HW.A.0001.210131T0300Z-210131T1700Z/ /O.NEW.KMRX.WI.Y.0002.210131T0300Z-210131T1700Z/ Johnson-Unicoi-Southeast Carter- Including the cities of Doeville, Mountain City, Neva, Shady Valley, Trade, Laurel Bloomery, Erwin, Unicoi, Limestone Cove, and Hampton 307 AM EST Sat Jan 30 2021 ...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO NOON EST SUNDAY... * WHAT...Southeast winds 15 to 30 mph with gusts up to 45 mph expected. * WHERE...Johnson, Unicoi and Southeast Carter Counties. * WHEN...From 10 PM this evening to noon EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
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.