Alert archive / Tennessee / Wind Advisories in 2021
Wind Advisory 1, NWS Morristown, TN
NWS Morristown, TN issued this wind advisory at Jan 25, 2021, 2:55 AM EST for 4 counties in Tennessee. It took effect at Jan 25, 2021, 1:00 PM EST. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Jan 25, 2021, 2:55 AM EST (07:55 UTC)
- In effect from
- Jan 25, 2021, 1:00 PM EST
- Expired
- Jan 26, 2021, 4:22 AM EST
- In force
- 15 hr
- 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 07:57 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, 7.9 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
- 443 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 248 m²/s²
- 0-3 km storm-relative helicity
- 304 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
584 WWUS74 KMRX 250755 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 255 AM EST Mon Jan 25 2021 TNZ041-072-074-087-252100- /O.NEW.KMRX.WI.Y.0001.210125T1800Z-210126T1200Z/ Cocke Smoky Mountains-Blount Smoky Mountains- Sevier Smoky Mountains-Southeast Monroe- Including the cities of Hartford, Cades Cove, Elkmont, Gatlinburg, Citico, and Coker Creek 255 AM EST Mon Jan 25 2021 ...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 AM EST TUESDAY... * WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Cocke Smoky Mountains, Blount Smoky Mountains, Sevier Smoky Mountains and Southeast Monroe Counties. * WHEN...From 1 PM this afternoon to 7 AM EST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...High winds will primarily impact locations above 3000 feet elevation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
2 follow-up statements
857 WWUS74 KMRX 251958 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 258 PM EST Mon Jan 25 2021 TNZ041-072-074-087-261200- /O.CON.KMRX.WI.Y.0001.000000T0000Z-210126T1200Z/ Cocke Smoky Mountains-Blount Smoky Mountains- Sevier Smoky Mountains-Southeast Monroe- Including the cities of Hartford, Cades Cove, Elkmont, Gatlinburg, Citico, and Coker Creek 258 PM EST Mon Jan 25 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY... * WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Cocke Smoky Mountains, Blount Smoky Mountains, Sevier Smoky Mountains and Southeast Monroe Counties. * WHEN...From 1 PM this afternoon to 7 AM EST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...High winds will primarily impact locations above 3000 feet elevation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
801 WWUS74 KMRX 260922 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 422 AM EST Tue Jan 26 2021 TNZ041-072-074-087-261030- /O.CAN.KMRX.WI.Y.0001.000000T0000Z-210126T1200Z/ Cocke Smoky Mountains-Blount Smoky Mountains- Sevier Smoky Mountains-Southeast Monroe- 422 AM EST Tue Jan 26 2021 ...WIND ADVISORY IS CANCELLED... The low-level jet which was leading to strong winds across the mountains has moved east of the area. Winds have decreased below advisory levels, so the wind advisory has been cancelled. Breezy conditions will still be possible this morning. $$
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 25, 3:53 PM EST | Special Weather Statement | MRX | Scott | 52 min |
| Jan 25, 4:41 PM EST | Special Weather Statement | MRX | Anderson, Campbell, Claiborne, Morgan, Scott, Union | 49 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.