Alert archive / South Carolina / Freeze Warnings in 2021

Freeze Warning 2, NWS Greenville-Spartanburg, SC

April 2, 20214 counties in Georgia; 8 counties in South Carolina; 8 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this freeze warning at Apr 2, 2021, 9:03 AM EDT for 4 counties in Georgia; 8 counties in South Carolina; 8 counties in North Carolina. It took effect at Apr 3, 2021, 12:00 AM EDT. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 2, 2021, 9:03 AM EDT (13:03 UTC)
In effect from
Apr 3, 2021, 12:00 AM EDT
Expired
Apr 3, 2021, 9:00 AM EDT
In force
9 hr
Issued by
NWS Greenville-Spartanburg, SC

Counties Elbert County, GA, Franklin County, GA, Hart County, GA, Stephens County, GA, Cabarrus County, NC, Cleveland County, NC, Gaston County, NC, Lincoln County, NC, 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), 34 km from the middle of the area, began a volume at 13:02 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, 1.1 hours before the alert went out and 225 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.

Skew-T log-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2021-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2021-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1661 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

856 
WWUS72 KGSP 021303
NPWGSP

URGENT - WEATHER MESSAGE
National Weather Service Greenville-Spartanburg SC
903 AM EDT Fri Apr 2 2021

GAZ018-026-028-029-NCZ068>072-082-508-510-SCZ004>014-019-022000-
/O.EXP.KGSP.FZ.W.0001.000000T0000Z-210402T1300Z/
/O.NEW.KGSP.FZ.W.0002.210403T0400Z-210403T1300Z/
Stephens-Franklin-Hart-Elbert-Cleveland-Lincoln-Gaston-
Mecklenburg-Cabarrus-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, Shelby, Kings 
Mountain, Lincolnton, Crouse, Gastonia, Charlotte, Concord, 
Kannapolis, 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
903 AM EDT Fri Apr 2 2021

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT
SATURDAY...

* WHAT...Sub-freezing temperatures as low as 28 expected.

* WHERE...Upstate South Carolina, northeast Georgia and the
  southern piedmont and southern foothills of North Carolina.

* WHEN...From midnight tonight to 9 AM EDT Saturday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$
4 follow-up statements
341 
WWUS72 KGSP 021851
NPWGSP

URGENT - WEATHER MESSAGE
National Weather Service Greenville-Spartanburg SC
251 PM EDT Fri Apr 2 2021

GAZ018-026-028-029-NCZ068>072-082-508-510-SCZ004>014-019-030300-
/O.CON.KGSP.FZ.W.0002.210403T0400Z-210403T1300Z/
Stephens-Franklin-Hart-Elbert-Cleveland-Lincoln-Gaston-
Mecklenburg-Cabarrus-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, Shelby, 
Kings Mountain, Lincolnton, Crouse, Gastonia, Charlotte, Concord,
Kannapolis, 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
251 PM EDT Fri Apr 2 2021

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
EDT SATURDAY...

* WHAT...Sub-freezing temperatures of 25 to 30 expected.

* WHERE...Upstate South Carolina, northeast Georgia and the 
  southern piedmont and southern foothills of North Carolina.

* WHEN...From midnight tonight to 9 AM EDT Saturday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$
Lane
825 
WWUS72 KGSP 030230
NPWGSP

URGENT - WEATHER MESSAGE
National Weather Service Greenville-Spartanburg SC
1030 PM EDT Fri Apr 2 2021

GAZ018-026-028-029-NCZ068>072-082-508-510-SCZ004>014-019-031030-
/O.CON.KGSP.FZ.W.0002.210403T0400Z-210403T1300Z/
Stephens-Franklin-Hart-Elbert-Cleveland-Lincoln-Gaston-
Mecklenburg-Cabarrus-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, Shelby, 
Kings Mountain, Lincolnton, Crouse, Gastonia, Charlotte, Concord,
Kannapolis, 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
1030 PM EDT Fri Apr 2 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT SATURDAY...

* WHAT...Sub-freezing temperatures of 25 to 30 expected.

* WHERE...The foothills and Piedmont of upstate South Carolina,  
  and northeast Georgia, and the southern foothills and Piedmont 
  of North Carolina.

* WHEN...Until 9 AM EDT Saturday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$
896 
WWUS72 KGSP 030535
NPWGSP

URGENT - WEATHER MESSAGE
National Weather Service Greenville-Spartanburg SC
135 AM EDT Sat Apr 3 2021

GAZ018-026-028-029-NCZ068>072-082-508-510-SCZ004>014-019-031300-
/O.CON.KGSP.FZ.W.0002.000000T0000Z-210403T1300Z/
Stephens-Franklin-Hart-Elbert-Cleveland-Lincoln-Gaston-
Mecklenburg-Cabarrus-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, Shelby, 
Kings Mountain, Lincolnton, Crouse, Gastonia, Charlotte, Concord,
Kannapolis, 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
135 AM EDT Sat Apr 3 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING...

* WHAT...Sub-freezing temperatures of 25 to 30 expected.

* WHERE...The foothills and Piedmont of upstate South Carolina, 
  and northeast Georgia, and the southern foothills and Piedmont 
  of North Carolina.

* WHEN...Until 9 AM EDT Saturday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

Krentz
796 
WWUS72 KGSP 031308
NPWGSP

URGENT - WEATHER MESSAGE
National Weather Service Greenville-Spartanburg SC
908 AM EDT Sat Apr 3 2021

GAZ018-026-028-029-NCZ068>072-082-508-510-SCZ004>014-019-032000-
/O.EXP.KGSP.FZ.W.0002.000000T0000Z-210403T1300Z/
/O.NEW.KGSP.FR.Y.0001.210404T0400Z-210404T1300Z/
Stephens-Franklin-Hart-Elbert-Cleveland-Lincoln-Gaston-
Mecklenburg-Cabarrus-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, Shelby, 
Kings Mountain, Lincolnton, Crouse, Gastonia, Charlotte, Concord,
Kannapolis, 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
908 AM EDT Sat Apr 3 2021

...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT
SUNDAY...

* WHAT...Temperatures as low as 35 will result in frost 
  formation.

* WHERE...The foothills and Piedmont of upstate South Carolina,  
  and northeast Georgia, and the southern foothills and Piedmont 
  of North Carolina.

* WHEN...From midnight tonight to 9 AM EDT Sunday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender plants from the cold.

&&

$$
Lane

Nearby

Freeze Warnings in South Carolina, 2021Freeze Warnings in North Carolina, 2021Freeze Warnings in Georgia, 2021Every freeze 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.