Alert archive / North Carolina / Wind Advisories in 2020
Wind Advisory 21, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this wind advisory at Dec 21, 2020, 3:14 AM EST for 18 counties in North Carolina; Rabun County, Georgia. It took effect at Dec 21, 2020, 6:00 PM EST. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Dec 21, 2020, 3:14 AM EST (08:14 UTC)
- In effect from
- Dec 21, 2020, 6:00 PM EST
- Expired
- Dec 22, 2020, 12:00 PM EST
- In force
- 18 hr
- Issued by
- NWS Greenville-Spartanburg, SC
Counties Rabun County, GA, Alexander County, NC, Avery County, NC, Buncombe County, NC, Burke County, NC, Caldwell County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mitchell County, NC, Polk County, NC, Rutherford County, NC, Swain County, NC, Transylvania County, NC, Yancey County, NC
The radar
The Greer radar (KGSP), 80 km from the middle of the area, began a volume at 08:18 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 00:00Z, 8.2 hours before the alert went out and 243 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
- 660 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- -35 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
348 WWUS72 KGSP 210814 NPWGSP URGENT - WEATHER MESSAGE National Weather Service Greenville-Spartanburg SC 314 AM EST Mon Dec 21 2020 NCZ033-049-050-501-503-505-212000- /O.NEW.KGSP.WI.Y.0021.201221T2300Z-201222T1700Z/ Avery-Yancey-Mitchell-Caldwell Mountains-Burke Mountains- McDowell Mountains- Including the cities of Ingalls, Banner Elk, Newland, Swiss, Burnsville, Celo, Micaville, Ramseytown, Busick, Spruce Pine, Poplar, Jonas Ridge, Ashford, Woodlawn, and Old Fort 314 AM EST Mon Dec 21 2020 ...WIND ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON EST TUESDAY... * WHAT...Northwest winds 20 to 30 mph with gusts up to 45 to 55 mph expected. * WHERE...Avery, Yancey, and Mitchell Counties, as well as mountain portions of Caldwell, Burke, and McDowell Counties. * WHEN...From 6 PM this evening to noon EST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs, as well as a few weak trees, could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Locations along and near the Blue Ridge Parkway will see the strongest wind gusts. A few, brief, damaging wind gusts in this area cannot be ruled out. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ NCZ048-051>053-058-059-062-063-212000- /O.NEW.KGSP.WI.Y.0021.201221T2300Z-201222T1700Z/ Madison-Swain-Haywood-Buncombe-Graham-Northern Jackson-Macon- Southern Jackson- Including the cities of Luck, Waynesville, Tuckasegee, Rainbow Springs, Kyle, and Highlands 314 AM EST Mon Dec 21 2020 ...WIND ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON EST TUESDAY ABOVE 3500 FEET... * WHAT...Northwest winds 15 to 25 mph with gusts up to 40 to 50 mph expected. * WHERE...Elevations above 3500 feet in Madison, Swain, Haywood, Buncombe, Graham, Jackson, and Macon Counties. * WHEN...From 6 PM this evening to noon EST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ HG
3 follow-up statements
350 WWUS72 KGSP 211945 NPWGSP URGENT - WEATHER MESSAGE National Weather Service Greenville-Spartanburg SC 245 PM EST Mon Dec 21 2020 NCZ033-049-050-501-503-505-220345- /O.UPG.KGSP.WI.Y.0021.201221T2300Z-201222T1700Z/ /O.NEW.KGSP.HW.W.0003.201221T2300Z-201222T1700Z/ Avery-Yancey-Mitchell-Caldwell Mountains-Burke Mountains- McDowell Mountains- Including the cities of Ingalls, Banner Elk, Newland, Swiss, Burnsville, Celo, Micaville, Ramseytown, Busick, Spruce Pine, Poplar, Jonas Ridge, Ashford, Woodlawn, and Old Fort 245 PM EST Mon Dec 21 2020 ...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON EST TUESDAY... * WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Avery, Yancey, and Mitchell counties, as well as the mountainous parts of Caldwell, Burke, and McDowell counties. * WHEN...From 6 PM this evening to noon EST Tuesday, but especially during the pre-dawn hours to daybreak. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...There is a slight chance of light snow at the high elevations along the Tennessee border early Tuesday morning. However, no significant accumulation is expected. 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. && $$ NCZ048-051>053-058-059-062-063-220345- /O.NEW.KGSP.HW.W.0003.201221T2300Z-201222T1700Z/ /O.CON.KGSP.WI.Y.0021.201221T2300Z-201222T1700Z/ Madison-Swain-Haywood-Buncombe-Graham-Northern Jackson-Macon- Southern Jackson- Including the cities of Faust, Mars Hill, Marshall, Walnut, Allenstand, Hot Springs, Luck, Alarka, Almond, Bryson City, Luada, Wesser, Waynesville, Waterville, Canton, Cruso, Cove Creek, Asheville, Robbinsville, Stecoah, Cullowhee, Tuckasegee, Sylva, Franklin, Rainbow Springs, Kyle, Highlands, Wolf Mountain, and Cashiers 245 PM EST Mon Dec 21 2020 ...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON EST TUESDAY ABOVE 3500 FEET... ...WIND ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON EST TUESDAY BELOW 3500 FEET... * WHAT...For the High Wind Warning, northwest winds 25 to 35 mph with a few gusts up to 60 mph expected, mainly at high elevations of the Balsam mountains. For the Wind Advisory, northwest winds 15 to 25 mph with gusts up to 40 mph expected. * WHERE...Madison, Swain, Haywood, Buncombe, Graham, Northern Jackson, Macon and Southern Jackson Counties. * WHEN...From 6 PM this evening to noon EST Tuesday. * IMPACTS...Damaging winds will blow down trees and power lines. At high elevations, widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...a few snow flurries are possible near the Tennessee border, but no accumulation is expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ GAZ010-NCZ035-064-065-502-504-506-507-509-220345- /O.EXA.KGSP.WI.Y.0021.201221T2300Z-201222T1700Z/ Rabun-Alexander-Transylvania-Henderson-Greater Caldwell- Greater Burke-Eastern McDowell-Rutherford Mountains- Polk Mountains- Including the cities of Clayton, Pine Mountain, Mountain City, Bethlehem, Ellendale, Millersville, Taylorsville, Hiddenite, Stony Point, Brevard, Cedar Mountain, Little River, Hendersonville, Fletcher, Dana, East Flat Rock, Tuxedo, Etowah, Kings Creek, Lenoir, Sawmills, Granite Falls, Morganton, Pleasant Grove, Valdese, Marion, Nebo, Dysartsville, Fero, Glenwood, Chimney Rock State Park, and Saluda 245 PM EST Mon Dec 21 2020 ...WIND ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON EST TUESDAY... * WHAT...West winds 15 to 25 mph with a few gusts up to 50 mph expected. * WHERE...In Georgia, Rabun County. In North Carolina, Alexander, Transylvania, Henderson, Greater Caldwell, Greater Burke, Eastern McDowell, Rutherford Mountains and Polk Mountains counties. * WHEN...From 6 PM this evening to noon EST Tuesday. * 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. && $$ PM
181 WWUS72 KGSP 220207 NPWGSP URGENT - WEATHER MESSAGE National Weather Service Greenville-Spartanburg SC 907 PM EST Mon Dec 21 2020 NCZ048-051>053-058-059-062-063-221015- /O.CON.KGSP.HW.W.0003.000000T0000Z-201222T1700Z/ /O.CON.KGSP.WI.Y.0021.000000T0000Z-201222T1700Z/ Madison-Swain-Haywood-Buncombe-Graham-Northern Jackson-Macon- Southern Jackson- Including the cities of Faust, Mars Hill, Marshall, Walnut, Allenstand, Hot Springs, Luck, Alarka, Almond, Bryson City, Luada, Wesser, Waynesville, Waterville, Canton, Cruso, Cove Creek, Asheville, Robbinsville, Stecoah, Cullowhee, Tuckasegee, Sylva, Franklin, Rainbow Springs, Kyle, Highlands, Wolf Mountain, and Cashiers 907 PM EST Mon Dec 21 2020 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON EST TUESDAY ABOVE 3500 FEET... ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EST TUESDAY BELOW 3500 FEET... * WHAT...For the High Wind Warning, northwest winds 25 to 35 mph with a few gusts up to 60 mph. For the Wind Advisory, northwest winds 15 to 25 mph with gusts up to 45 mph. * WHERE...Madison, Swain, Haywood, Buncombe, Graham, Northern Jackson, Macon and Southern Jackson Counties. * WHEN...Until noon EST Tuesday. * IMPACTS...Damaging winds will blow down trees and power lines. At high elevations, widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...A few snow flurries are possible near the Tennessee border, but no accumulation is expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ NCZ033-049-050-501-503-505-221015- /O.CON.KGSP.HW.W.0003.000000T0000Z-201222T1700Z/ Avery-Yancey-Mitchell-Caldwell Mountains-Burke Mountains- McDowell Mountains- Including the cities of Ingalls, Banner Elk, Newland, Swiss, Burnsville, Celo, Micaville, Ramseytown, Busick, Spruce Pine, Poplar, Jonas Ridge, Ashford, Woodlawn, and Old Fort 907 PM EST Mon Dec 21 2020 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON EST TUESDAY... * WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph. * WHERE...Avery, Yancey, and Mitchell counties, as well as the mountainous parts of Caldwell, Burke, and McDowell counties. * WHEN...Until noon EST Tuesday, but especially during the pre- dawn hours to daybreak. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...There is a slight chance of light snow at the high elevations along the Tennessee border early Tuesday morning. However, no significant accumulation is expected. 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. && $$ GAZ010-NCZ035-064-065-502-504-506-507-509-221015- /O.CON.KGSP.WI.Y.0021.000000T0000Z-201222T1700Z/ Rabun-Alexander-Transylvania-Henderson-Greater Caldwell- Greater Burke-Eastern McDowell-Rutherford Mountains- Polk Mountains- Including the cities of Clayton, Pine Mountain, Mountain City, Bethlehem, Ellendale, Millersville, Taylorsville, Hiddenite, Stony Point, Brevard, Cedar Mountain, Little River, Hendersonville, Fletcher, Dana, East Flat Rock, Tuxedo, Etowah, Kings Creek, Lenoir, Sawmills, Granite Falls, Morganton, Pleasant Grove, Valdese, Marion, Nebo, Dysartsville, Fero, Glenwood, Chimney Rock State Park, and Saluda 907 PM EST Mon Dec 21 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EST TUESDAY... * WHAT...Northwest winds 15 to 25 mph with gusts up to 50 mph. * WHERE...In Georgia, Rabun County. In North Carolina, Alexander, Transylvania, Henderson, Greater Caldwell, Greater Burke, Eastern McDowell, Rutherford Mountains and Polk Mountains counties. * WHEN...Until noon EST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CC
292 WWUS72 KGSP 220844 NPWGSP URGENT - WEATHER MESSAGE National Weather Service Greenville-Spartanburg SC 344 AM EST Tue Dec 22 2020 NCZ048-051>053-058-059-062-063-221700- /O.CON.KGSP.HW.W.0003.000000T0000Z-201222T1700Z/ /O.CON.KGSP.WI.Y.0021.000000T0000Z-201222T1700Z/ Madison-Swain-Haywood-Buncombe-Graham-Northern Jackson-Macon- Southern Jackson- Including the cities of Faust, Mars Hill, Marshall, Walnut, Allenstand, Hot Springs, Luck, Alarka, Almond, Bryson City, Luada, Wesser, Waynesville, Waterville, Canton, Cruso, Cove Creek, Asheville, Robbinsville, Stecoah, Cullowhee, Tuckasegee, Sylva, Franklin, Rainbow Springs, Kyle, Highlands, Wolf Mountain, and Cashiers 344 AM EST Tue Dec 22 2020 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON EST TODAY ABOVE 3500 FEET... ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY BELOW 3500 FEET... * WHAT...For the High Wind Warning, northwest winds 25 to 35 mph with gusts up to 60 mph at times. For the Wind Advisory, northwest winds 15 to 25 mph with gusts up to 40 to 50 mph. * WHERE...Madison, Swain, Haywood, Buncombe, Graham, Macon and Jackson Counties. * WHEN...Until noon EST Tuesday. * IMPACTS...Damaging winds will blow down trees and power lines. At high elevations, widespread power outages are expected. Outages will be more scattered in nature in the lower valleys. 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. && $$ NCZ033-049-050-501-503-505-221700- /O.CON.KGSP.HW.W.0003.000000T0000Z-201222T1700Z/ Avery-Yancey-Mitchell-Caldwell Mountains-Burke Mountains- McDowell Mountains- Including the cities of Ingalls, Banner Elk, Newland, Swiss, Burnsville, Celo, Micaville, Ramseytown, Busick, Spruce Pine, Poplar, Jonas Ridge, Ashford, Woodlawn, and Old Fort 344 AM EST Tue Dec 22 2020 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON EST TODAY... * WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph. * WHERE...Avery, Yancey, and Mitchell Counties, as well as the mountainous parts of Caldwell, Burke, and McDowell Counties. * WHEN...Until noon EST Tuesday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be very difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ GAZ010-NCZ035-064-065-502-504-506-507-509-221700- /O.CON.KGSP.WI.Y.0021.000000T0000Z-201222T1700Z/ Rabun-Alexander-Transylvania-Henderson-Greater Caldwell- Greater Burke-Eastern McDowell-Rutherford Mountains- Polk Mountains- Including the cities of Clayton, Pine Mountain, Mountain City, Bethlehem, Ellendale, Millersville, Taylorsville, Hiddenite, Stony Point, Brevard, Cedar Mountain, Little River, Hendersonville, Fletcher, Dana, East Flat Rock, Tuxedo, Etowah, Kings Creek, Lenoir, Sawmills, Granite Falls, Morganton, Pleasant Grove, Valdese, Marion, Nebo, Dysartsville, Fero, Glenwood, Chimney Rock State Park, and Saluda 344 AM EST Tue Dec 22 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY... * WHAT...Northwest winds 15 to 25 mph with gusts of 40 to 50 mph at times. * WHERE...In Georgia, Rabun County. In North Carolina, Alexander, Transylvania, Henderson, Greater Caldwell, Greater Burke, Eastern McDowell, Rutherford Mountains and Polk Mountains counties. * WHEN...Until noon EST Tuesday. * 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. && $$ HG
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 21, 2:45 PM EST | High Wind Warning | GSP | Avery, Buncombe, Burke, Caldwell, Graham, Haywood and 7 more | 21 hr |
Nearby
Wind Advisories in North Carolina, 2020Wind Advisories in Georgia, 2020Every wind advisory in 2020
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.