Alert archive / North Carolina / Wind Advisories in 2021
Wind Advisory 5, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this wind advisory at Feb 15, 2021, 4:07 AM EST for 7 counties in North Carolina. It took effect at Feb 15, 2021, 4:00 PM EST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Feb 15, 2021, 4:07 AM EST (09:07 UTC)
- In effect from
- Feb 15, 2021, 4:00 PM EST
- Expired
- Feb 16, 2021, 12:00 AM EST
- In force
- 8 hr
- Issued by
- NWS Greenville-Spartanburg, SC
Counties 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), 72 km from the middle of the area, began a volume at 09:07 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, 9.1 hours before the alert went out and 279 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
- 2 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 438 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 285 m²/s²
- 0-3 km storm-relative helicity
- 344 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
335 WWUS72 KGSP 150907 NPWGSP URGENT - WEATHER MESSAGE National Weather Service Greenville-Spartanburg SC 407 AM EST Mon Feb 15 2021 NCZ048>052-058-059-152100- /O.NEW.KGSP.WI.Y.0005.210215T2100Z-210216T0500Z/ Madison-Yancey-Mitchell-Swain-Haywood-Graham-Northern Jackson- Including the cities of Luck, Waynesville, and Tuckasegee 407 AM EST Mon Feb 15 2021 ...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO MIDNIGHT EST TONIGHT ABOVE 3500 FEET... * WHAT...South winds 15 to 25 mph with gusts up to 50 mph expected, mainly on the peaks and ridgetops. * WHERE...Madison, Yancey, Mitchell, Swain, Haywood, Graham and Northern Jackson Counties. * WHEN...From 4 PM this afternoon to midnight EST tonight. * 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. && $$ Wimberley
4 follow-up statements
578 WWUS72 KGSP 151211 NPWGSP URGENT - WEATHER MESSAGE National Weather Service Greenville-Spartanburg SC 711 AM EST Mon Feb 15 2021 NCZ048>052-058-059-152100- /O.CON.KGSP.WI.Y.0005.210215T2100Z-210216T0500Z/ Madison-Yancey-Mitchell-Swain-Haywood-Graham-Northern Jackson- Including the cities of Luck, Waynesville, and Tuckasegee 711 AM EST Mon Feb 15 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO MIDNIGHT EST TONIGHT ABOVE 3500 FEET... * WHAT...South winds 15 to 25 mph with gusts up to 45 mph expected. Gusts of 50 mph or more are possible on the highest peaks and ridgetops. * WHERE...Higher elevations above 3500 feet in Haywood, Mitchell, Swain, Yancey, Madison, Graham and Northern Jackson Counties. * WHEN...From 4 PM this afternoon to midnight EST tonight. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Wimberley
285 WWUS72 KGSP 151933 NPWGSP URGENT - WEATHER MESSAGE National Weather Service Greenville-Spartanburg SC 233 PM EST Mon Feb 15 2021 NCZ048>052-058-059-160345- /O.CON.KGSP.WI.Y.0005.210215T2100Z-210216T0500Z/ Madison-Yancey-Mitchell-Swain-Haywood-Graham-Northern Jackson- Including the cities of Luck, Waynesville, and Tuckasegee 233 PM EST Mon Feb 15 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT ABOVE 3500 FEET... * WHAT...South winds 15 to 25 mph with gusts up to 45 mph expected. Gusts of 50 mph or more are possible on the highest peaks and ridgetops. * WHERE...Higher elevations above 3500 feet in Haywood, Mitchell, Swain, Yancey, Madison, Graham and Northern Jackson Counties. * WHEN...From 4 PM this afternoon to midnight EST tonight. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Precipitation may change to a period of snow showers above 3500 feet by daybreak on Tuesday. No significant snow accumulation is expected before the snow shower chance ends by midday Tuesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ PM
614 WWUS72 KGSP 160019 NPWGSP URGENT - WEATHER MESSAGE National Weather Service Greenville-Spartanburg SC 719 PM EST Mon Feb 15 2021 NCZ048>052-058-059-160500- /O.CON.KGSP.WI.Y.0005.000000T0000Z-210216T0500Z/ Madison-Yancey-Mitchell-Swain-Haywood-Graham-Northern Jackson- Including the cities of Luck, Waynesville, and Tuckasegee 719 PM EST Mon Feb 15 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT ABOVE 3500 FEET... * WHAT...South winds 20 to 30 mph with gusts up to 45 mph. Gusts of 50 mph or more are possible on the highest peaks and ridgetops. * WHERE...Elevations above 3500 feet in Haywood, Mitchell, Swain, Yancey, Madison, Graham and Northern Jackson Counties. * WHEN...Until midnight EST tonight. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ HG
798 WWUS72 KGSP 160458 NPWGSP URGENT - WEATHER MESSAGE National Weather Service Greenville-Spartanburg SC 1158 PM EST Mon Feb 15 2021 NCZ048>052-058-059-160600- /O.EXP.KGSP.WI.Y.0005.000000T0000Z-210216T0500Z/ Madison-Yancey-Mitchell-Swain-Haywood-Graham-Northern Jackson- Including the cities of Luck, Waynesville, and Tuckasegee 1158 PM EST Mon Feb 15 2021 ...WIND ADVISORY WILL EXPIRE AT MIDNIGHT EST TONIGHT ABOVE 3500 FEET... Southerly winds have diminished late this evening along the higher ridges of the southern Appalachians. The winds will turn westerly with the frontal passage and remain breezy into Tuesday, but Advisory level gusts are no longer expected. The Wind Advisory will thus be allowed to expire on schedule at midnight. $$ HG
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.