Alert archive / Tennessee / Wind Advisories in 2020
Wind Advisory 21, NWS Morristown, TN
NWS Morristown, TN issued this wind advisory at Nov 29, 2020, 3:46 AM EST for 8 counties in Tennessee. It took effect at Nov 29, 2020, 7:00 PM EST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Nov 29, 2020, 3:46 AM EST (08:46 UTC)
- In effect from
- Nov 29, 2020, 7:00 PM EST
- Expired
- Nov 30, 2020, 2:55 AM EST
- In force
- 8 hr
- 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 nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 8.8 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
- 2027 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
714 WWUS74 KMRX 290846 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 346 AM EST Sun Nov 29 2020 TNZ018-041-043-045-047-072-074-087-291700- /O.UPG.KMRX.HW.A.0007.201130T0000Z-201130T1200Z/ /O.NEW.KMRX.WI.Y.0021.201130T0000Z-201130T1200Z/ 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 346 AM EST Sun Nov 29 2020 ...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST MONDAY... * WHAT...Southeast winds 15 to 30 mph with gusts in excess of 40 mph expected. * WHERE...Portions of east Tennessee. * WHEN...From 7 PM this evening to 7 AM EST Monday. * 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. && $$
3 follow-up statements
895 WWUS74 KMRX 291920 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 220 PM EST Sun Nov 29 2020 TNZ018-041-043-045-047-072-074-087-300600- /O.CON.KMRX.WI.Y.0021.201130T0000Z-201130T1200Z/ Johnson-Cocke Smoky Mountains-Southeast Greene-Unicoi- Southeast Carter-Blount Smoky Mountains-Sevier Smoky Mountains- Southeast Monroe- Including the cities of Doeville, Mountain City, Neva, Shady Valley, Trade, Laurel Bloomery, Hartford, Cedar Creek, Erwin, Unicoi, Limestone Cove, Hampton, Cades Cove, Elkmont, Gatlinburg, Citico, and Coker Creek 220 PM EST Sun Nov 29 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST MONDAY... * WHAT...Southeast winds 15 to 30 mph with gusts in excess of 40 mph expected. * WHERE...Portions of east Tennessee. * WHEN...From 7 PM this evening to 7 AM EST Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
586 WWUS74 KMRX 300326 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 1026 PM EST Sun Nov 29 2020 TNZ018-041-043-045-047-072-074-087-301200- /O.CON.KMRX.WI.Y.0021.000000T0000Z-201130T1200Z/ 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 1026 PM EST Sun Nov 29 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST MONDAY... * WHAT...Southeast winds 15 to 30 mph with gusts in excess of 40 mph expected. * WHERE...Portions of east Tennessee. * WHEN...Until 7 AM EST Monday. * 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. && $$
061 WWUS74 KMRX 300755 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 255 AM EST Mon Nov 30 2020 TNZ018-041-043-045-047-072-074-087-300900- /O.CAN.KMRX.WI.Y.0021.000000T0000Z-201130T1200Z/ Johnson-Cocke Smoky Mountains-Southeast Greene-Unicoi- Southeast Carter-Blount Smoky Mountains-Sevier Smoky Mountains- Southeast Monroe- 255 AM EST Mon Nov 30 2020 ...WIND ADVISORY IS CANCELLED... The threat of strong gusty winds has diminished, although a few wind gusts to near 40 mph will be possible over the next couple of hours. $$
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 29, 3:55 PM EST | Winter Storm Watch | MRX | Blount, Carter, Cocke, Greene, Monroe, Sevier and 1 more | 12 hr |
| Nov 29, 3:55 PM EST | Winter Weather Advisory | MRX | Bledsoe, Campbell, Claiborne, Johnson, Marion, Morgan and 3 more | 44 hr |
Nearby
Wind Advisories in Tennessee, 2020Every wind advisory in 2020
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.