Alert archive / Tennessee / High Wind Warnings in 2021
High Wind Warning 5, NWS Morristown, TN
NWS Morristown, TN issued this high wind warning at Mar 17, 2021, 3:32 AM EDT for 8 counties in Tennessee. It took effect at Mar 17, 2021, 8:00 PM EDT. It was in force for 18 hr. 4 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 17, 2021, 3:32 AM EDT (07:32 UTC)
- In effect from
- Mar 17, 2021, 8:00 PM EDT
- Expired
- Mar 18, 2021, 2:00 PM EDT
- In force
- 18 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 radar
The Knoxville radar (KMRX), 41 km from the middle of the area, began a volume at 07:34 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 18, 1:30 AM EDT | NON-TSTM WND GST 53 | 3 S Camp Creek, TN | NOAA ATDD WEATHER STATION SITE. |
| Mar 18, 2:00 AM EDT | NON-TSTM WND GST 60 | 2 W Gatlinburg, TN | COVE MOUNTAIN. |
| Mar 18, 4:45 AM EDT | NON-TSTM WND GST 54 | 3 S Camp Creek, TN | NOAA ATDD WEATHER STATION SITE. |
| Mar 18, 7:00 AM EDT | NON-TSTM WND GST 66 | 2 W Gatlinburg, TN | COVE MOUNTAIN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 7.5 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
- 577 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
799 WWUS74 KMRX 170732 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 332 AM EDT Wed Mar 17 2021 TNZ018-041-043-045-047-072-074-087-171545- /O.UPG.KMRX.HW.A.0004.210318T0000Z-210318T1800Z/ /O.NEW.KMRX.HW.W.0005.210318T0000Z-210318T1800Z/ 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 332 AM EDT Wed Mar 17 2021 ...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT THURSDAY... * WHAT...South winds 25 to 35 mph with gusts up to 70 mph expected. * WHERE...Portions of the East Tennessee mountains and foothills. * WHEN...From 8 PM this evening to 2 PM EDT Thursday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ Diegan
4 follow-up statements
402 WWUS74 KMRX 171514 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 1114 AM EDT Wed Mar 17 2021 TNZ018-041-043-045-047-072-074-087-180315- /O.CON.KMRX.HW.W.0005.210318T0000Z-210318T1800Z/ Johnson-Cocke Smoky Mountains-Southeast Greene-Unicoi- Southeast Carter-Blount Smoky Mountains-Sevier Smoky Mountains- Southeast Monroe- Including the cities of Doeville, Mountain City, Neva, Shady Valley, Trade, Laurel Bloomery, Hartford, Cedar Creek, Erwin, Unicoi, Limestone Cove, Hampton, Cades Cove, Elkmont, Gatlinburg, Citico, and Coker Creek 1114 AM EDT Wed Mar 17 2021 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT THURSDAY... * WHAT...South winds 25 to 35 mph with gusts up to 70 mph expected. * WHERE...Portions of the East Tennessee mountains and foothills. * WHEN...From 8 PM this evening to 2 PM EDT Thursday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$
916 WWUS74 KMRX 180120 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 920 PM EDT Wed Mar 17 2021 TNZ018-041-043-045-047-072-074-087-180930- /O.CON.KMRX.HW.W.0005.000000T0000Z-210318T1800Z/ 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 920 PM EDT Wed Mar 17 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM EDT THURSDAY... * WHAT...South winds 25 to 35 mph with gusts up to 70 mph expected. * WHERE...Portions of the East Tennessee mountains and foothills. * WHEN...From 8 PM this evening to 2 PM EDT Thursday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$
709 WWUS74 KMRX 180704 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 304 AM EDT Thu Mar 18 2021 TNZ018-041-043-045-047-072-074-087-181600- /O.CON.KMRX.HW.W.0005.000000T0000Z-210318T1800Z/ Johnson-Cocke Smoky Mountains-Southeast Greene-Unicoi- Southeast Carter-Blount Smoky Mountains-Sevier Smoky Mountains- Southeast Monroe- Including the cities of Doeville, Mountain City, Neva, Shady Valley, Trade, Laurel Bloomery, Hartford, Cedar Creek, Erwin, Unicoi, Limestone Cove, Hampton, Cades Cove, Elkmont, Gatlinburg, Citico, and Coker Creek 304 AM EDT Thu Mar 18 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...South winds 25 to 35 mph with gusts up to 70 mph expected. * WHERE...Portions of the East Tennessee mountains and foothills. * WHEN...From 8 PM this evening to 2 PM EDT Thursday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$
513 WWUS74 KMRX 181459 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 1059 AM EDT Thu Mar 18 2021 TNZ018-041-043-045-047-072-074-087-181800- /O.CON.KMRX.HW.W.0005.000000T0000Z-210318T1800Z/ 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 1059 AM EDT Thu Mar 18 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...South winds 25 to 35 mph with gusts up to 70 mph expected. * WHERE...Portions of the East Tennessee mountains and foothills. * WHEN...From 8 PM this evening to 2 PM EDT Thursday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 5:32 PM EDT | Flash Flood Watch | MRX | Bledsoe, Bradley, Hamilton, McMinn, Marion, Meigs and 3 more | 14 hr |
| Mar 17, 7:17 PM EDT | Areal Flood Advisory | MRX | Bradley, Hamilton | 2 hr |
Nearby
High Wind Warnings in Tennessee, 2021Every high wind warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.