Alert archive / Tennessee / High Wind Warnings in 2021
High Wind Warning 1, NWS Morristown, TN
NWS Morristown, TN issued this high wind warning at Jan 30, 2021, 3:07 AM EST for 5 counties in Tennessee. It took effect at Jan 30, 2021, 10:00 PM EST. It was in force for 12 hr. 1 report 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
- Jan 30, 2021, 3:07 AM EST (08:07 UTC)
- In effect from
- Jan 30, 2021, 10:00 PM EST
- Expired
- Jan 31, 2021, 9:42 AM EST
- In force
- 12 hr
- Issued by
- NWS Morristown, TN
Counties Blount County, TN, Cocke County, TN, Greene County, TN, Monroe County, TN, Sevier County, TN
The radar
The Knoxville radar (KMRX), 42 km from the middle of the area, began a volume at 08:10 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 |
|---|---|---|---|
| Jan 30, 11:00 PM EST | NON-TSTM WND GST 70 | 5 Wsw Gatlinburg, TN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 8.1 hours before the alert went out and 278 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
- 1925 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 260 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
997 WWUS74 KMRX 300807 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 307 AM EST Sat Jan 30 2021 TNZ041-043-072-074-087-301800- /O.UPG.KMRX.HW.A.0001.210131T0300Z-210131T1700Z/ /O.NEW.KMRX.HW.W.0001.210131T0300Z-210131T1700Z/ Cocke Smoky Mountains-Southeast Greene-Blount Smoky Mountains- Sevier Smoky Mountains-Southeast Monroe- Including the cities of Hartford, Cedar Creek, Cades Cove, Elkmont, Gatlinburg, Citico, and Coker Creek 307 AM EST Sat Jan 30 2021 ...HIGH WIND WARNING IN EFFECT FROM 10 PM THIS EVENING TO NOON EST SUNDAY... * WHAT...South winds 25 to 40 mph with gusts up to 70 mph expected. * WHERE...Cocke Smoky Mountains, Southeast Greene, Blount Smoky Mountains, Sevier Smoky Mountains and Southeast Monroe Counties. * WHEN...From 10 PM this evening to noon EST Sunday. * 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. && $$ TNZ018-045-047-301800- /O.UPG.KMRX.HW.A.0001.210131T0300Z-210131T1700Z/ /O.NEW.KMRX.WI.Y.0002.210131T0300Z-210131T1700Z/ Johnson-Unicoi-Southeast Carter- Including the cities of Doeville, Mountain City, Neva, Shady Valley, Trade, Laurel Bloomery, Erwin, Unicoi, Limestone Cove, and Hampton 307 AM EST Sat Jan 30 2021 ...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO NOON EST SUNDAY... * WHAT...Southeast winds 15 to 30 mph with gusts up to 45 mph expected. * WHERE...Johnson, Unicoi and Southeast Carter Counties. * WHEN...From 10 PM this evening to noon EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
4 follow-up statements
152 WWUS74 KMRX 301730 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 1230 PM EST Sat Jan 30 2021 TNZ041-043-072-074-087-310200- /O.CON.KMRX.HW.W.0001.210131T0300Z-210131T1700Z/ Cocke Smoky Mountains-Southeast Greene-Blount Smoky Mountains- Sevier Smoky Mountains-Southeast Monroe- Including the cities of Hartford, Cedar Creek, Cades Cove, Elkmont, Gatlinburg, Citico, and Coker Creek 1230 PM EST Sat Jan 30 2021 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO NOON EST SUNDAY... * WHAT...South winds 25 to 40 mph with gusts up to 70 mph expected. * WHERE...Cocke Smoky Mountains, Southeast Greene, Blount Smoky Mountains, Sevier Smoky Mountains and Southeast Monroe Counties. * WHEN...From 10 PM this evening to noon EST Sunday. * 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. && $$ TNZ018-045-047-310200- /O.CON.KMRX.WI.Y.0002.210131T0300Z-210131T1700Z/ Johnson-Unicoi-Southeast Carter- Including the cities of Doeville, Mountain City, Neva, Shady Valley, Trade, Laurel Bloomery, Erwin, Unicoi, Limestone Cove, and Hampton 1230 PM EST Sat Jan 30 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO NOON EST SUNDAY... * WHAT...Southeast winds 15 to 30 mph with gusts up to 45 mph expected. * WHERE...Johnson, Unicoi and Southeast Carter Counties. * WHEN...From 10 PM this evening to noon EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
231 WWUS74 KMRX 310143 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 843 PM EST Sat Jan 30 2021 TNZ041-043-072-074-087-311000- /O.CON.KMRX.HW.W.0001.210131T0300Z-210131T1700Z/ Cocke Smoky Mountains-Southeast Greene-Blount Smoky Mountains- Sevier Smoky Mountains-Southeast Monroe- Including the cities of Hartford, Cedar Creek, Cades Cove, Elkmont, Gatlinburg, Citico, and Coker Creek 843 PM EST Sat Jan 30 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON EST SUNDAY... * WHAT...South winds 25 to 40 mph with gusts up to 70 mph expected. * WHERE...Cocke Smoky Mountains, Southeast Greene, Blount Smoky Mountains, Sevier Smoky Mountains and Southeast Monroe Counties. * WHEN...From 10 PM this evening to noon EST Sunday. * 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. && $$ TNZ018-045-047-311000- /O.CON.KMRX.WI.Y.0002.210131T0300Z-210131T1700Z/ Johnson-Unicoi-Southeast Carter- Including the cities of Doeville, Mountain City, Neva, Shady Valley, Trade, Laurel Bloomery, Erwin, Unicoi, Limestone Cove, and Hampton 843 PM EST Sat Jan 30 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EST SUNDAY... * WHAT...Southeast winds 15 to 30 mph with gusts up to 45 mph expected. * WHERE...Johnson, Unicoi and Southeast Carter Counties. * WHEN...From 10 PM this evening to noon EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
730 WWUS74 KMRX 310755 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 255 AM EST Sun Jan 31 2021 TNZ041-043-072-074-087-311700- /O.CON.KMRX.HW.W.0001.000000T0000Z-210131T1700Z/ Cocke Smoky Mountains-Southeast Greene-Blount Smoky Mountains- Sevier Smoky Mountains-Southeast Monroe- Including the cities of Hartford, Cedar Creek, Cades Cove, Elkmont, Gatlinburg, Citico, and Coker Creek 255 AM EST Sun Jan 31 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON EST TODAY... * WHAT...South winds 25 to 40 mph with gusts up to 65 mph expected. * WHERE...Cocke Smoky Mountains, Southeast Greene, Blount Smoky Mountains, Sevier Smoky Mountains and Southeast Monroe Counties. * WHEN...From 10 PM this evening to noon EST Sunday. * 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. && $$ TNZ018-045-047-311700- /O.CON.KMRX.WI.Y.0002.000000T0000Z-210131T1700Z/ Johnson-Unicoi-Southeast Carter- Including the cities of Doeville, Mountain City, Neva, Shady Valley, Trade, Laurel Bloomery, Erwin, Unicoi, Limestone Cove, and Hampton 255 AM EST Sun Jan 31 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY... * WHAT...Southeast winds 15 to 30 mph with gusts up to 45 mph expected. * WHERE...Johnson, Unicoi and Southeast Carter Counties. * WHEN...From 10 PM this evening to noon EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
241 WWUS74 KMRX 311442 NPWMRX URGENT - WEATHER MESSAGE National Weather Service Morristown TN 942 AM EST Sun Jan 31 2021 TNZ041-043-072-074-087-311545- /O.CAN.KMRX.HW.W.0001.000000T0000Z-210131T1700Z/ Cocke Smoky Mountains-Southeast Greene-Blount Smoky Mountains- Sevier Smoky Mountains-Southeast Monroe- 942 AM EST Sun Jan 31 2021 ...HIGH WIND WARNING IS CANCELLED... Winds have fallen below warning criteria therefore the high wind warning is no longer needed. $$ TNZ018-045-047-311545- /O.CAN.KMRX.WI.Y.0002.000000T0000Z-210131T1700Z/ Johnson-Unicoi-Southeast Carter- 942 AM EST Sun Jan 31 2021 ...WIND ADVISORY IS CANCELLED... Winds have fallen below advisory criteria therefore the wind advisory is no longer needed. $$
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 30, 3:07 AM EST | Wind Advisory | MRX | Carter, Johnson, Unicoi | 31 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.