Alert archive / Tennessee / Wind Advisories in 2021
Wind Advisory 19, NWS Morristown, TN
NWS Morristown, TN issued this wind advisory at Dec 6, 2021, 3:44 AM EST for Blount County, Cocke County, Sevier County, Tennessee. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Dec 6, 2021, 3:44 AM EST (08:44 UTC)
- Expired
- Dec 6, 2021, 2:00 PM EST
- In force
- 10 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 08:46 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, 8.7 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
- 666 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 658 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 346 m²/s²
- 0-3 km storm-relative helicity
- 484 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 5.4
The text
As transmitted.
022 WWUS74 KMRX 060844 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 344 AM EST Mon Dec 6 2021 TNZ041-072-074-061900- /O.NEW.KMRX.WI.Y.0019.211206T0844Z-211206T1900Z/ Cocke Smoky Mountains-Blount Smoky Mountains- Sevier Smoky Mountains- Including the cities of Hartford, Cades Cove, Elkmont, and Gatlinburg 344 AM EST Mon Dec 6 2021 ...WIND ADVISORY IN EFFECT UNTIL 2 PM EST THIS AFTERNOON... * WHAT...South winds 15 to 25 mph with gusts near 50 mph. * WHERE...Cocke Smoky Mountains, Blount Smoky Mountains and Sevier Smoky Mountains Counties. * WHEN...Until 2 PM EST this afternoon. * 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. && $$
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 6, 8:25 AM EST | Severe Thunderstorm Warning | MRX | Morgan, Scott | 50 min |
| Dec 6, 9:06 AM EST | Severe Thunderstorm Warning | MRX | Anderson, Campbell, Claiborne, Scott, Union | 39 min |
| Dec 6, 9:19 AM EST | Severe Thunderstorm Warning | MRX | Bledsoe, Hamilton, Rhea, Sequatchie | 56 min |
| Dec 6, 9:46 AM EST | Special Weather Statement | MRX | Anderson, Claiborne, Grainger, Hamblen, Hancock, Knox and 1 more | 44 min |
| Dec 6, 10:02 AM EST | Severe Thunderstorm Warning | MRX | Loudon, McMinn, Meigs, Monroe, Rhea, Roane | 28 min |
Nearby
Wind Advisories in Tennessee, 2021Every wind advisory 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.