Alert archive / North Carolina / Wind Advisories in 2021
Wind Advisory 9, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this wind advisory at Aug 31, 2021, 10:16 AM EDT for 8 counties in North Carolina. It took effect at Aug 31, 2021, 2:00 PM EDT. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Aug 31, 2021, 10:16 AM EDT (14:16 UTC)
- In effect from
- Aug 31, 2021, 2:00 PM EDT
- Expired
- Sep 1, 2021, 3:46 AM EDT
- In force
- 14 hr
- Issued by
- NWS Greenville-Spartanburg, SC
Counties Avery County, NC, Graham County, NC, Haywood County, NC, Jackson County, NC, Madison County, NC, Mitchell County, NC, Swain County, NC, Yancey County, NC
The radar
The Knoxville radar (KMRX), 75 km from the middle of the area, began a volume at 14:16 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, 2.3 hours before the alert went out and 266 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
- 379 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 1017 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
257 WWUS72 KGSP 311416 NPWGSP URGENT - WEATHER MESSAGE National Weather Service Greenville-Spartanburg SC 1016 AM EDT Tue Aug 31 2021 NCZ048-051-052-058-059-312230- /O.NEW.KGSP.WI.Y.0009.210831T1800Z-210901T1200Z/ Madison-Swain-Haywood-Graham-Northern Jackson- Including the cities of Luck, Waynesville, and Tuckasegee 1016 AM EDT Tue Aug 31 2021 ...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 AM EDT WEDNESDAY ABOVE 3500 FEET... * WHAT...South winds 10 to 20 mph with gusts up to 45 mph expected. * WHERE...Madison, Swain, Haywood, Graham and Northern Jackson Counties. * WHEN...From 2 PM this afternoon to 8 AM EDT Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...High soil moisture content and heavy rainfall will make trees more vulnerable to be uprooted. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
3 follow-up statements
815 WWUS72 KGSP 311754 NPWGSP URGENT - WEATHER MESSAGE National Weather Service Greenville-Spartanburg SC 154 PM EDT Tue Aug 31 2021 NCZ033-049-050-010300- /O.EXB.KGSP.WI.Y.0009.210831T2100Z-210901T1200Z/ Avery-Yancey-Mitchell- Including the cities of Ingalls, Banner Elk, Newland, Swiss, Burnsville, Celo, Micaville, Ramseytown, Busick, Spruce Pine, and Poplar 154 PM EDT Tue Aug 31 2021 ...WIND ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 AM EDT WEDNESDAY... * WHAT...Southeast winds 10 to 20 mph with gusts up to 45 mph expected. * WHERE...Avery, Yancey and Mitchell Counties. * WHEN...From 5 PM this afternoon to 8 AM EDT Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...High soil moisture content and heavy rainfall will make trees more vulnerable to be uprooted. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ NCZ048-051-052-058-059-010300- /O.CON.KGSP.WI.Y.0009.210831T1800Z-210901T1200Z/ Madison-Swain-Haywood-Graham-Northern Jackson- Including the cities of Luck, Waynesville, and Tuckasegee 154 PM EDT Tue Aug 31 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT WEDNESDAY ABOVE 3500 FEET... * WHAT...South winds 10 to 20 mph with gusts up to 45 mph expected. * WHERE...Haywood, Swain, Madison, Graham and Northern Jackson Counties. * WHEN...Until 8 AM EDT Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...High soil moisture content and heavy rainfall will make trees more vulnerable to be uprooted. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
672 WWUS72 KGSP 010141 NPWGSP URGENT - WEATHER MESSAGE National Weather Service Greenville-Spartanburg SC 941 PM EDT Tue Aug 31 2021 NCZ033-049-050-011100- /O.CON.KGSP.WI.Y.0009.000000T0000Z-210901T1200Z/ Avery-Yancey-Mitchell- Including the cities of Ingalls, Banner Elk, Newland, Swiss, Burnsville, Celo, Micaville, Ramseytown, Busick, Spruce Pine, and Poplar 941 PM EDT Tue Aug 31 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT WEDNESDAY... * WHAT...Southeast winds 10 to 20 mph with gusts up to 45 mph expected. * WHERE...Avery, Yancey and Mitchell Counties. * WHEN...Until 8 AM EDT Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...High soil moisture content and heavy rainfall will make trees more vulnerable to be uprooted. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ NCZ048-051-052-058-059-011100- /O.CON.KGSP.WI.Y.0009.000000T0000Z-210901T1200Z/ Madison-Swain-Haywood-Graham-Northern Jackson- Including the cities of Luck, Waynesville, and Tuckasegee 941 PM EDT Tue Aug 31 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT WEDNESDAY ABOVE 3500 FEET... * WHAT...South winds 10 to 20 mph with gusts up to 45 mph expected. * WHERE...Haywood, Swain, Madison, Graham and Northern Jackson Counties. * WHEN...Until 8 AM EDT Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...High soil moisture content and heavy rainfall will make trees more vulnerable to be uprooted. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
319 WWUS72 KGSP 010746 NPWGSP URGENT - WEATHER MESSAGE National Weather Service Greenville-Spartanburg SC 346 AM EDT Wed Sep 1 2021 NCZ033-048>052-058-059-010900- /O.CAN.KGSP.WI.Y.0009.000000T0000Z-210901T1200Z/ Avery-Madison-Yancey-Mitchell-Swain-Haywood-Graham- Northern Jackson- 346 AM EDT Wed Sep 1 2021 ...WIND ADVISORY IS CANCELLED... Winds will gradually diminish this morning as the remnants of Tropical Cyclone Ida continue to weaken while passing just west of the area. $$ Lane
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 11:15 PM EDT | Special Weather Statement | GSP | Jackson | 30 min |
| Aug 31, 2:01 PM EDT | Special Weather Statement | GSP | Graham, Macon | 29 min |
| Aug 31, 2:27 PM EDT | Special Weather Statement | GSP | Jackson, Macon | 33 min |
| Aug 31, 4:30 PM EDT | Severe Thunderstorm Warning | GSP | Henderson, Polk, Rutherford | 45 min |
| Aug 31, 4:53 PM EDT | Severe Thunderstorm Warning | GSP | Cleveland, Gaston, Lincoln, Rutherford | 37 min |
| Aug 31, 5:06 PM EDT | Severe Thunderstorm Warning | GSP | Burke, McDowell, Rutherford | 39 min |
| Aug 31, 5:16 PM EDT | Special Weather Statement | GSP | Gaston | 29 min |
| Aug 31, 5:28 PM EDT | Severe Thunderstorm Warning | GSP | Burke, Catawba, Cleveland, Lincoln | 17 min |
| Aug 31, 5:33 PM EDT | Special Weather Statement | GSP | Catawba, Gaston, Lincoln | 27 min |
| Aug 31, 5:41 PM EDT | Severe Thunderstorm Warning | GSP | Alexander, Avery, Burke, Caldwell, Catawba, McDowell and 2 more | 49 min |
| Aug 31, 5:51 PM EDT | Special Weather Statement | GSP | Union | 39 min |
| Aug 31, 6:05 PM EDT | Special Weather Statement | GSP | Alexander, Catawba | 25 min |
| Aug 31, 6:28 PM EDT | Special Weather Statement | GSP | Mecklenburg | 32 min |
| Aug 31, 6:30 PM EDT | Special Weather Statement | GSP | Alexander | 30 min |
| Aug 31, 6:58 PM EDT | Special Weather Statement | GSP | Rowan | 32 min |
| Aug 31, 7:41 PM EDT | Special Weather Statement | GSP | Iredell | 34 min |
Nearby
Wind Advisories in North Carolina, 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.