Alert archive / Tennessee / High Wind Watches in 2021
High Wind Watch 8, NWS Morristown, TN
NWS Morristown, TN issued this high wind watch at Dec 9, 2021, 3:30 AM EST for 4 counties in Tennessee. It took effect at Dec 10, 2021, 7:00 PM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 9, 2021, 3:30 AM EST (08:30 UTC)
- In effect from
- Dec 10, 2021, 7:00 PM EST
- Expired
- Dec 10, 2021, 3:05 AM EST
- In force
- 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 08:32 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.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 8.5 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2065 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
059 WWUS74 KMRX 090830 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 330 AM EST Thu Dec 9 2021 TNZ041-072-074-087-092100- /O.NEW.KMRX.HW.A.0008.211211T0000Z-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 330 AM EST Thu Dec 9 2021 ...HIGH WIND WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY AFTERNOON... * WHAT...Southwest winds increasing to 25 to 40 mph with gusts up to 65 mph possible. * WHERE...Blount Smoky Mountains, Cocke Smoky Mountains, Sevier Smoky Mountains and Southeast Monroe Counties. * WHEN...From Friday evening through Saturday afternoon. * 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. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ DH
2 follow-up statements
908 WWUS74 KMRX 092008 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 308 PM EST Thu Dec 9 2021 TNZ041-072-074-087-100900- /O.CON.KMRX.HW.A.0008.211211T0000Z-211211T2100Z/ Cocke Smoky Mountains-Blount Smoky Mountains-Sevier Smoky Mountains-Southeast Monroe- Including the cities of Coker Creek, Gatlinburg, Cades Cove, Hartford, Citico, and Elkmont 308 PM EST Thu Dec 9 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY AFTERNOON... * WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Blount Smoky Mountains, Cocke Smoky Mountains, Sevier Smoky Mountains and Southeast Monroe Counties. * WHEN...From Friday evening through Saturday afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ DGS
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
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.