Alert archive / South Carolina / Frost Advisories in 2021
Frost Advisory 8, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this frost advisory at Nov 7, 2021, 2:30 PM EST for 8 counties in South Carolina; 4 counties in North Carolina; 4 counties in Georgia. It took effect at Nov 8, 2021, 12:00 AM EST. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Nov 7, 2021, 2:30 PM EST (19:30 UTC)
- In effect from
- Nov 8, 2021, 12:00 AM EST
- Expired
- Nov 8, 2021, 9:00 AM EST
- In force
- 9 hr
- Issued by
- NWS Greenville-Spartanburg, SC
Counties Elbert County, GA, Franklin County, GA, Hart County, GA, Stephens County, GA, Mecklenburg County, NC, Polk County, NC, Rutherford County, NC, Union County, NC, Abbeville County, SC, Anderson County, SC, Cherokee County, SC, Chester County, SC, Greenwood County, SC, Laurens County, SC, Union County, SC, York County, SC
The radar
The Greer radar (KGSP), 27 km from the middle of the area, began a volume at 19:36 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, 7.5 hours before the alert went out and 248 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
- 1154 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -97 m²/s²
- 0-3 km storm-relative helicity
- -2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
266 WWUS72 KGSP 071930 NPWGSP URGENT - WEATHER MESSAGE National Weather Service Greenville-Spartanburg SC 230 PM EST Sun Nov 7 2021 GAZ018-026-028-029-NCZ071-082-508-510-SCZ004>014-019-080330- /O.NEW.KGSP.FR.Y.0008.211108T0500Z-211108T1400Z/ Stephens-Franklin-Hart-Elbert-Mecklenburg-Union NC- Greater Rutherford-Eastern Polk-Greater Oconee-Greater Pickens- Greater Greenville-Spartanburg-Cherokee-York-Anderson-Abbeville- Laurens-Union SC-Chester-Greenwood- Including the cities of Boydville, Toccoa, Royston, Gumlog, Lavonia, Franklin Springs, Canon, Hartwell, Nuberg, Reed Creek, Elberton, Fortsonia, Middleton, Ruckersville, Charlotte, Monroe, Trinity, Indian Trail, Weddington, Forest City, Rutherfordton, Spindale, Tryon, Columbus, Mill Spring, Seneca, Oakway, Easley, Dacusville, Clemson, Greenville, Taylors, Greer, Mauldin, Fork Shoals, Simpsonville, Berea, Spartanburg, Gaffney, Catawba, Rock Hill, Anderson, Abbeville, Calhoun Falls, Laurens, Clinton, Union, Monarch Mills, Chester, Cornwell, Great Falls, Ware Shoals, and Ninety Six 230 PM EST Sun Nov 7 2021 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EST MONDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Much of upstate South Carolina, northeast Georgia and the southern foothills and southern piedmont of North Carolina. * WHEN...From midnight tonight to 9 AM EST Monday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
2 follow-up statements
905 WWUS72 KGSP 080242 NPWGSP URGENT - WEATHER MESSAGE National Weather Service Greenville-Spartanburg SC 942 PM EST Sun Nov 7 2021 GAZ018-026-028-029-NCZ071-082-508-510-SCZ004>014-019-081000- /O.CON.KGSP.FR.Y.0008.211108T0500Z-211108T1400Z/ Stephens-Franklin-Hart-Elbert-Mecklenburg-Union NC- Greater Rutherford-Eastern Polk-Greater Oconee-Greater Pickens- Greater Greenville-Spartanburg-Cherokee-York-Anderson-Abbeville- Laurens-Union SC-Chester-Greenwood- Including the cities of Boydville, Toccoa, Royston, Gumlog, Lavonia, Franklin Springs, Canon, Hartwell, Nuberg, Reed Creek, Elberton, Fortsonia, Middleton, Ruckersville, Charlotte, Monroe, Trinity, Indian Trail, Weddington, Forest City, Rutherfordton, Spindale, Tryon, Columbus, Mill Spring, Seneca, Oakway, Easley, Dacusville, Clemson, Greenville, Taylors, Greer, Mauldin, Fork Shoals, Simpsonville, Berea, Spartanburg, Gaffney, Catawba, Rock Hill, Anderson, Abbeville, Calhoun Falls, Laurens, Clinton, Union, Monarch Mills, Chester, Cornwell, Great Falls, Ware Shoals, and Ninety Six 942 PM EST Sun Nov 7 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EST MONDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Much of upstate South Carolina, northeast Georgia and the southern foothills and southern piedmont of North Carolina. * WHEN...Until 9 AM EST Monday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ RMM
548 WWUS72 KGSP 080901 NPWGSP URGENT - WEATHER MESSAGE National Weather Service Greenville-Spartanburg SC 401 AM EST Mon Nov 8 2021 GAZ018-026-028-029-NCZ071-082-508-510-SCZ004>014-019-081400- /O.CON.KGSP.FR.Y.0008.000000T0000Z-211108T1400Z/ Stephens-Franklin-Hart-Elbert-Mecklenburg-Union NC- Greater Rutherford-Eastern Polk-Greater Oconee-Greater Pickens- Greater Greenville-Spartanburg-Cherokee-York-Anderson-Abbeville- Laurens-Union SC-Chester-Greenwood- Including the cities of Boydville, Toccoa, Royston, Gumlog, Lavonia, Franklin Springs, Canon, Hartwell, Nuberg, Reed Creek, Elberton, Fortsonia, Middleton, Ruckersville, Charlotte, Monroe, Trinity, Indian Trail, Weddington, Forest City, Rutherfordton, Spindale, Tryon, Columbus, Mill Spring, Seneca, Oakway, Easley, Dacusville, Clemson, Greenville, Taylors, Greer, Mauldin, Fork Shoals, Simpsonville, Berea, Spartanburg, Gaffney, Catawba, Rock Hill, Anderson, Abbeville, Calhoun Falls, Laurens, Clinton, Union, Monarch Mills, Chester, Cornwell, Great Falls, Ware Shoals, and Ninety Six 401 AM EST Mon Nov 8 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EST THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. Temperatures may briefly reach freezing in some locations around sunrise. * WHERE...Portions of upstate South Carolina, northeast Georgia and piedmont and western North Carolina. * WHEN...Until 9 AM EST this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Lane
Nearby
Frost Advisories in South Carolina, 2021Frost Advisories in North Carolina, 2021Frost Advisories in Georgia, 2021Every frost 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.