Alert archive / Tennessee / Wind Advisories in 2019
Wind Advisory 21, NWS Morristown, TN
NWS Morristown, TN issued this wind advisory at Oct 21, 2019, 3:29 PM EDT for 7 counties in Tennessee. It took effect at Oct 21, 2019, 4:00 PM EDT. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Oct 21, 2019, 3:29 PM EDT (19:29 UTC)
- In effect from
- Oct 21, 2019, 4:00 PM EDT
- Expired
- Oct 22, 2019, 3:23 AM EDT
- In force
- 11 hr
- Issued by
- NWS Morristown, TN
Counties Blount County, TN, Carter County, TN, Cocke County, TN, Greene County, TN, Johnson County, TN, Sevier County, TN, Unicoi County, TN
The radar
The Knoxville radar (KMRX), 53 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, 7.5 hours before the alert went out and 264 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
- 628 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
503 WWUS74 KMRX 211929 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 329 PM EDT Mon Oct 21 2019 TNZ018-041-043-045-047-072-074-220330- /O.NEW.KMRX.WI.Y.0021.191021T2000Z-191022T0900Z/ Johnson-Cocke Smoky Mountains-Southeast Greene-Unicoi- Southeast Carter-Blount Smoky Mountains-Sevier Smoky Mountains- Including the cities of Doeville, Mountain City, Neva, Shady Valley, Trade, Laurel Bloomery, Hartford, Cedar Creek, Erwin, Unicoi, Limestone Cove, Hampton, Cades Cove, Elkmont, and Gatlinburg 329 PM EDT Mon Oct 21 2019 ...WIND ADVISORY IN EFFECT UNTIL 5 AM EDT TUESDAY... * WHAT...South winds 25 to 35 mph with gusts up to 45 mph expected. * WHERE...The higher elevations and adjacent foothills of the east Tennessee mountains. * WHEN...Until 5 AM EDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...A weather system with strong mountaintop winds will impact the area from this afternoon through tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
2 follow-up statements
697 WWUS74 KMRX 220221 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 1021 PM EDT Mon Oct 21 2019 TNZ018-041-043-045-047-072-074-220900- /O.CON.KMRX.WI.Y.0021.000000T0000Z-191022T0900Z/ Johnson-Cocke Smoky Mountains-Southeast Greene-Unicoi- Southeast Carter-Blount Smoky Mountains-Sevier Smoky Mountains- Including the cities of Doeville, Mountain City, Neva, Shady Valley, Trade, Laurel Bloomery, Hartford, Cedar Creek, Erwin, Unicoi, Limestone Cove, Hampton, Cades Cove, Elkmont, and Gatlinburg 1021 PM EDT Mon Oct 21 2019 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT TUESDAY... * WHAT...South winds 25 to 35 mph with gusts up to 45 mph expected. * WHERE...The higher elevations and adjacent foothills of the east Tennessee mountains. * WHEN...Until 5 AM EDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...A weather system with strong mountaintop winds will impact the area from this afternoon through tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
312 WWUS74 KMRX 220723 AAA NPWMRX URGENT - WEATHER MESSAGE...UPDATED National Weather Service Morristown TN 323 AM EDT Tue Oct 22 2019 TNZ018-041-043-045-047-072-074-220830- /O.CAN.KMRX.WI.Y.0021.000000T0000Z-191022T0900Z/ Johnson-Cocke Smoky Mountains-Southeast Greene-Unicoi- Southeast Carter-Blount Smoky Mountains-Sevier Smoky Mountains- 323 AM EDT Tue Oct 22 2019 ...WIND ADVISORY IS CANCELLED... Winds have dropped below advisory criteria; however gusts up to 30 mph may be possible at times as a cold front crosses the area and winds shift to the west. $$
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 21, 4:01 AM EDT | Dense Fog Advisory | MRX | Anderson, Bledsoe, Blount, Bradley, Campbell, Carter and 27 more | 5 hr |
Nearby
Wind Advisories in Tennessee, 2019Every wind advisory in 2019
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.