Alert archive / Tennessee / Wind Advisories in 2021
Wind Advisory 15, NWS Morristown, TN
NWS Morristown, TN issued this wind advisory at Aug 30, 2021, 3:25 PM EDT for 7 counties in Tennessee. It took effect at Aug 31, 2021, 2:00 PM EDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Aug 30, 2021, 3:25 PM EDT (19:25 UTC)
- In effect from
- Aug 31, 2021, 2:00 PM EDT
- Expired
- Sep 1, 2021, 1:51 AM EDT
- In force
- 12 hr
- Issued by
- NWS Morristown, TN
Counties Blount County, TN, Carter County, TN, Cocke County, TN, Greene County, TN, Monroe County, TN, Sevier County, TN, Unicoi County, TN
The radar
The Knoxville radar (KMRX), 35 km from the middle of the area, began a volume at 19:28 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, 7.4 hours before the alert went out and 295 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
- 766 J/kg
- Mixed-layer CIN
- -120 J/kg
- Mixed-layer LCL
- 1299 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
086 WWUS74 KMRX 301925 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 325 PM EDT Mon Aug 30 2021 TNZ041-043-045-047-072-074-087-310500- /O.NEW.KMRX.WI.Y.0015.210831T1800Z-210901T1200Z/ Cocke Smoky Mountains-Southeast Greene-Unicoi-Southeast Carter- Blount Smoky Mountains-Sevier Smoky Mountains-Southeast Monroe- Including the cities of Hartford, Cedar Creek, Erwin, Unicoi, Limestone Cove, Hampton, Cades Cove, Elkmont, Gatlinburg, Citico, and Coker Creek 325 PM EDT Mon Aug 30 2021 ...WIND ADVISORY IN EFFECT FROM 2 PM TUESDAY TO 8 AM EDT WEDNESDAY... * WHAT...Southeast winds 15 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of east Tennessee. * WHEN...From 2 PM Tuesday to 8 AM EDT Wednesday. * 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. && $$
4 follow-up statements
341 WWUS74 KMRX 310149 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 949 PM EDT Mon Aug 30 2021 TNZ041-043-045-047-072-074-087-311000- /O.CON.KMRX.WI.Y.0015.210831T1800Z-210901T1200Z/ Cocke Smoky Mountains-Southeast Greene-Unicoi-Southeast Carter- Blount Smoky Mountains-Sevier Smoky Mountains-Southeast Monroe- Including the cities of Hartford, Cedar Creek, Erwin, Unicoi, Limestone Cove, Hampton, Cades Cove, Elkmont, Gatlinburg, Citico, and Coker Creek 949 PM EDT Mon Aug 30 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 2 PM TUESDAY TO 8 AM EDT WEDNESDAY... * WHAT...Southeast winds 15 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of east Tennessee. * WHEN...From 2 PM Tuesday to 8 AM EDT Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
193 WWUS74 KMRX 310813 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 413 AM EDT Tue Aug 31 2021 TNZ041-043-045-047-072-074-087-010000- /O.CON.KMRX.WI.Y.0015.210831T1800Z-210901T1200Z/ Cocke Smoky Mountains-Southeast Greene-Unicoi-Southeast Carter- Blount Smoky Mountains-Sevier Smoky Mountains-Southeast Monroe- Including the cities of Hartford, Cedar Creek, Erwin, Unicoi, Limestone Cove, Hampton, Cades Cove, Elkmont, Gatlinburg, Citico, and Coker Creek 413 AM EDT Tue Aug 31 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 AM EDT WEDNESDAY... * WHAT...Southeast winds 15 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of east Tennessee. * WHEN...From 2 PM Tuesday to 8 AM EDT Wednesday. * 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. && $$
271 WWUS74 KMRX 311844 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 244 PM EDT Tue Aug 31 2021 TNZ041-043-045-047-072-074-087-010600- /O.CON.KMRX.WI.Y.0015.000000T0000Z-210901T1200Z/ Cocke Smoky Mountains-Southeast Greene-Unicoi-Southeast Carter- Blount Smoky Mountains-Sevier Smoky Mountains-Southeast Monroe- Including the cities of Hartford, Cedar Creek, Erwin, Unicoi, Limestone Cove, Hampton, Cades Cove, Elkmont, Gatlinburg, Citico, and Coker Creek 244 PM EDT Tue Aug 31 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT WEDNESDAY... * WHAT...Southeast winds 15 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of east Tennessee. * WHEN...From 2 PM Tuesday to 8 AM EDT Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
724 WWUS74 KMRX 010551 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 151 AM EDT Wed Sep 1 2021 TNZ041-043-045-047-072-074-087-010700- /O.CAN.KMRX.WI.Y.0015.000000T0000Z-210901T1200Z/ Cocke Smoky Mountains-Southeast Greene-Unicoi-Southeast Carter- Blount Smoky Mountains-Sevier Smoky Mountains-Southeast Monroe- 151 AM EDT Wed Sep 1 2021 ...WIND ADVISORY IS CANCELLED... Winds have fallen to below advisory levels. Thus the wind advisory has been cancelled early. $$
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 3:35 AM EDT | Flash Flood Watch | MRX | Anderson, Bledsoe, Blount, Bradley, Campbell, Carter and 27 more | 48 hr |
| Aug 30, 1:22 PM EDT | Areal Flood Advisory | MRX | Campbell | 113 min |
| Aug 30, 1:46 PM EDT | Special Weather Statement | MRX | Campbell | 29 min |
| Aug 30, 2:13 PM EDT | Areal Flood Advisory | MRX | Campbell | 2 hr |
| Aug 30, 4:39 PM EDT | Areal Flood Advisory | MRX | Campbell, Scott | 2 hr |
| Aug 30, 5:18 PM EDT | Special Weather Statement | MRX | Bradley, Hamilton, Polk | 57 min |
| Aug 30, 5:24 PM EDT | Areal Flood Advisory | MRX | Bradley, Hamilton, Meigs, Polk | 2 hr |
| Aug 30, 6:00 PM EDT | Special Weather Statement | MRX | McMinn, Meigs, Monroe, Rhea | 45 min |
| Aug 30, 6:06 PM EDT | Areal Flood Advisory | MRX | Bradley, McMinn, Meigs, Monroe, Polk, Rhea | 114 min |
| Aug 30, 6:20 PM EDT | Flash Flood Warning | MRX | Bradley | 115 min |
| Aug 30, 6:52 PM EDT | Areal Flood Advisory | MRX | Monroe | 113 min |
| Aug 30, 6:57 PM EDT | Special Weather Statement | MRX | Bledsoe, Blount, Loudon, McMinn, Meigs, Monroe and 2 more | 63 min |
| Aug 30, 7:00 PM EDT | Areal Flood Advisory | MRX | Anderson, Blount, Knox, Loudon, Meigs, Monroe and 3 more | 2 hr |
| Aug 30, 7:47 PM EDT | Special Weather Statement | MRX | Blount, Knox, Sevier | 58 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.