Alert archive / Georgia / Freeze Warnings in 2021
Freeze Warning 2, NWS Charleston, SC
NWS Charleston, SC issued this freeze warning at Mar 8, 2021, 12:58 PM EST for 5 counties in South Carolina; 8 counties in Georgia. It took effect at Mar 9, 2021, 2:00 AM EST. It was in force for 6 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
- Mar 8, 2021, 12:58 PM EST (17:58 UTC)
- In effect from
- Mar 9, 2021, 2:00 AM EST
- Expired
- Mar 9, 2021, 8:00 AM EST
- In force
- 6 hr
- Issued by
- NWS Charleston, SC
Counties Bulloch County, GA, Candler County, GA, Effingham County, GA, Evans County, GA, Jenkins County, GA, Long County, GA, Screven County, GA, Tattnall County, GA, Allendale County, SC, Berkeley County, SC, Colleton County, SC, Dorchester County, SC, Hampton County, SC
The radar
The Charleston,SC radar (KCLX), 33 km from the middle of the area, began a volume at 18:00 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
Charleston AFB, SC (KCHS), launched 12:00Z, 6.0 hours before the alert went out and 134 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
- 2595 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- -44 m²/s²
- 0-3 km storm-relative helicity
- -26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
437 WWUS72 KCHS 081758 NPWCHS URGENT - WEATHER MESSAGE National Weather Service Charleston SC 1258 PM EST Mon Mar 8 2021 GAZ087-088-099>101-114>116-137-138-SCZ040-042>045-090200- /O.NEW.KCHS.FZ.W.0002.210309T0700Z-210309T1300Z/ Jenkins-Screven-Candler-Bulloch-Effingham-Tattnall-Evans- Inland Bryan-Long-Inland Liberty-Allendale-Hampton- Inland Colleton-Dorchester-Inland Berkeley- Including the cities of Millen, Sylvania, Metter, Statesboro, Rincon, Springfield, Reidsville, Claxton, Pembroke, Richmond Hill, Ludowici, Hinesville, Fort Stewart, Allendale, Hampton, Yemassee, Walterboro, Saint George, Summerville, Goose Creek, and Moncks Corner 1258 PM EST Mon Mar 8 2021 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 8 AM EST TUESDAY... * WHAT...Sub-freezing temperatures as low as 32 expected. * WHERE...Portions of southeast South Carolina and southeast Georgia. * WHEN...From 2 AM to 8 AM EST Tuesday. * 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. && $$ GAZ118-140-SCZ047>052-090200- /O.NEW.KCHS.FR.Y.0002.210309T0700Z-210309T1300Z/ Inland Chatham-Inland McIntosh-Inland Jasper-Beaufort- Coastal Colleton-Charleston-Coastal Jasper-Tidal Berkeley- Including the cities of Garden City, Pooler, Savannah, Townsend, Ridgeland, Beaufort, Hilton Head Island, Edisto Beach, Charleston, North Charleston, Mount Pleasant, Levy, Chelsea, Jasper, and Daniel Island 1258 PM EST Mon Mar 8 2021 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EST TUESDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In South Carolina, Inland Jasper, Beaufort, Coastal Colleton, Charleston, Coastal Jasper and Tidal Berkeley Counties. In Georgia, Inland Chatham and Inland McIntosh Counties. * WHEN...From 2 AM to 8 AM EST Tuesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
5 follow-up statements
650 WWUS72 KCHS 082047 NPWCHS URGENT - WEATHER MESSAGE National Weather Service Charleston SC 347 PM EST Mon Mar 8 2021 GAZ087-088-099>101-114>116-137-138-SCZ040-042>045-090500- /O.CON.KCHS.FZ.W.0002.210309T0700Z-210309T1300Z/ Jenkins-Screven-Candler-Bulloch-Effingham-Tattnall-Evans- Inland Bryan-Long-Inland Liberty-Allendale-Hampton- Inland Colleton-Dorchester-Inland Berkeley- Including the cities of Millen, Sylvania, Metter, Statesboro, Rincon, Springfield, Reidsville, Claxton, Pembroke, Richmond Hill, Ludowici, Hinesville, Fort Stewart, Allendale, Hampton, Yemassee, Walterboro, Saint George, Summerville, Goose Creek, and Moncks Corner 347 PM EST Mon Mar 8 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM EST TUESDAY... * WHAT...Sub-freezing temperatures as low as 32 expected. * WHERE...Portions of southeast South Carolina and southeast Georgia. * WHEN...From 2 AM to 8 AM EST Tuesday. * 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. && $$ GAZ118-140-SCZ047>052-090500- /O.CON.KCHS.FR.Y.0002.210309T0700Z-210309T1300Z/ Inland Chatham-Inland McIntosh-Inland Jasper-Beaufort- Coastal Colleton-Charleston-Coastal Jasper-Tidal Berkeley- Including the cities of Garden City, Pooler, Savannah, Townsend, Ridgeland, Beaufort, Hilton Head Island, Edisto Beach, Charleston, North Charleston, Mount Pleasant, Levy, Chelsea, Jasper, and Daniel Island 347 PM EST Mon Mar 8 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EST TUESDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In South Carolina, Inland Jasper, Beaufort, Coastal Colleton, Charleston, Coastal Jasper and Tidal Berkeley Counties. In Georgia, Inland Chatham and Inland McIntosh Counties. * WHEN...From 2 AM to 8 AM EST Tuesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
799 WWUS72 KCHS 090212 NPWCHS URGENT - WEATHER MESSAGE National Weather Service Charleston SC 912 PM EST Mon Mar 8 2021 GAZ087-088-099>101-114>116-137-138-SCZ040-042>045-091300- /O.CON.KCHS.FZ.W.0002.210309T0700Z-210309T1300Z/ Jenkins-Screven-Candler-Bulloch-Effingham-Tattnall-Evans- Inland Bryan-Long-Inland Liberty-Allendale-Hampton- Inland Colleton-Dorchester-Inland Berkeley- Including the cities of Millen, Sylvania, Metter, Statesboro, Rincon, Springfield, Reidsville, Claxton, Pembroke, Richmond Hill, Ludowici, Hinesville, Fort Stewart, Allendale, Hampton, Yemassee, Walterboro, Saint George, Summerville, Goose Creek, and Moncks Corner 912 PM EST Mon Mar 8 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM EST TUESDAY... * WHAT...Sub-freezing temperatures as low as 32 expected. * WHERE...Portions of southeast South Carolina and southeast Georgia. * WHEN...From 2 AM to 8 AM EST Tuesday. * 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. && $$ GAZ118-140-SCZ047>052-091300- /O.CON.KCHS.FR.Y.0002.210309T0700Z-210309T1300Z/ Inland Chatham-Inland McIntosh-Inland Jasper-Beaufort- Coastal Colleton-Charleston-Coastal Jasper-Tidal Berkeley- Including the cities of Garden City, Pooler, Savannah, Townsend, Ridgeland, Beaufort, Hilton Head Island, Edisto Beach, Charleston, North Charleston, Mount Pleasant, Levy, Chelsea, Jasper, and Daniel Island 912 PM EST Mon Mar 8 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EST TUESDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In South Carolina, Inland Jasper, Beaufort, Coastal Colleton, Charleston, Coastal Jasper and Tidal Berkeley Counties. In Georgia, Inland Chatham and Inland McIntosh Counties. * WHEN...From 2 AM to 8 AM EST Tuesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
213 WWUS72 KCHS 090553 NPWCHS URGENT - WEATHER MESSAGE National Weather Service Charleston SC 1253 AM EST Tue Mar 9 2021 GAZ087-088-099>101-114>116-137-138-SCZ040-042>045-091300- /O.CON.KCHS.FZ.W.0002.210309T0700Z-210309T1300Z/ Jenkins-Screven-Candler-Bulloch-Effingham-Tattnall-Evans- Inland Bryan-Long-Inland Liberty-Allendale-Hampton- Inland Colleton-Dorchester-Inland Berkeley- Including the cities of Millen, Sylvania, Metter, Statesboro, Rincon, Springfield, Reidsville, Claxton, Pembroke, Richmond Hill, Ludowici, Hinesville, Fort Stewart, Allendale, Hampton, Yemassee, Walterboro, Saint George, Summerville, Goose Creek, and Moncks Corner 1253 AM EST Tue Mar 9 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EST THIS MORNING... * WHAT...Sub-freezing temperatures as low as 30 to 32 degrees expected. * WHERE...Much of southeast South Carolina and southeast Georgia. * WHEN...Until 8 AM EST Tuesday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...Temperatures will be at or below freezing for up to 2 to 4 hours, with scattered to widespread frost. 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. && $$ GAZ118-140-SCZ047>052-091300- /O.CON.KCHS.FR.Y.0002.210309T0700Z-210309T1300Z/ Inland Chatham-Inland McIntosh-Inland Jasper-Beaufort- Coastal Colleton-Charleston-Coastal Jasper-Tidal Berkeley- Including the cities of Garden City, Pooler, Savannah, Townsend, Ridgeland, Beaufort, Hilton Head Island, Edisto Beach, Charleston, North Charleston, Mount Pleasant, Levy, Chelsea, Jasper, and Daniel Island 1253 AM EST Tue Mar 9 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EST THIS MORNING... * WHAT...Temperatures as low as 33 to 35 degrees will result in frost formation. * WHERE...In South Carolina, Inland Jasper, Beaufort, Coastal Colleton, Charleston, Coastal Jasper and Tidal Berkeley Counties. In Georgia, Inland Chatham and Inland McIntosh Counties. * WHEN...Until 8 AM EST Tuesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
262 WWUS72 KCHS 090800 NPWCHS URGENT - WEATHER MESSAGE National Weather Service Charleston SC 300 AM EST Tue Mar 9 2021 GAZ087-088-099>101-114>116-137-138-SCZ040-042>045-091300- /O.CON.KCHS.FZ.W.0002.000000T0000Z-210309T1300Z/ Jenkins-Screven-Candler-Bulloch-Effingham-Tattnall-Evans- Inland Bryan-Long-Inland Liberty-Allendale-Hampton- Inland Colleton-Dorchester-Inland Berkeley- Including the cities of Millen, Sylvania, Metter, Statesboro, Rincon, Springfield, Reidsville, Claxton, Pembroke, Richmond Hill, Ludowici, Hinesville, Fort Stewart, Allendale, Hampton, Yemassee, Walterboro, Saint George, Summerville, Goose Creek, and Moncks Corner 300 AM EST Tue Mar 9 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EST THIS MORNING... * WHAT...Sub-freezing temperatures as low as 30 to 32 degrees expected. * WHERE...Much of southeast South Carolina and southeast Georgia. * WHEN...Until 8 AM EST Tuesday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...Temperatures will be at or below freezing for up to 2 to 4 hours, with scattered to widespread frost. 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. && $$ GAZ118-140-SCZ047>052-091300- /O.CON.KCHS.FR.Y.0002.000000T0000Z-210309T1300Z/ Inland Chatham-Inland McIntosh-Inland Jasper-Beaufort- Coastal Colleton-Charleston-Coastal Jasper-Tidal Berkeley- Including the cities of Garden City, Pooler, Savannah, Townsend, Ridgeland, Beaufort, Hilton Head Island, Edisto Beach, Charleston, North Charleston, Mount Pleasant, Levy, Chelsea, Jasper, and Daniel Island 300 AM EST Tue Mar 9 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EST THIS MORNING... * WHAT...Temperatures as low as 33 to 35 degrees will result in frost formation. * WHERE...In South Carolina, Inland Jasper, Beaufort, Coastal Colleton, Charleston, Coastal Jasper and Tidal Berkeley Counties. In Georgia, Inland Chatham and Inland McIntosh Counties. * WHEN...Until 8 AM EST Tuesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
723 WWUS72 KCHS 091235 NPWCHS URGENT - WEATHER MESSAGE National Weather Service Charleston SC 735 AM EST Tue Mar 9 2021 GAZ087-088-099>101-114>116-137-138-SCZ040-042>045-091345- /O.EXP.KCHS.FZ.W.0002.000000T0000Z-210309T1300Z/ Jenkins-Screven-Candler-Bulloch-Effingham-Tattnall-Evans- Inland Bryan-Long-Inland Liberty-Allendale-Hampton- Inland Colleton-Dorchester-Inland Berkeley- Including the cities of Millen, Sylvania, Metter, Statesboro, Rincon, Springfield, Reidsville, Claxton, Pembroke, Richmond Hill, Ludowici, Hinesville, Fort Stewart, Allendale, Hampton, Yemassee, Walterboro, Saint George, Summerville, Goose Creek, and Moncks Corner 735 AM EST Tue Mar 9 2021 ...FREEZE WARNING WILL EXPIRE AT 8 AM EST THIS MORNING... Temperatures will rise rapidly this morning, and the Freeze Warning will expire at 8 AM. $$ GAZ118-140-SCZ047>052-091345- /O.EXP.KCHS.FR.Y.0002.000000T0000Z-210309T1300Z/ Inland Chatham-Inland McIntosh-Inland Jasper-Beaufort- Coastal Colleton-Charleston-Coastal Jasper-Tidal Berkeley- Including the cities of Garden City, Pooler, Savannah, Townsend, Ridgeland, Beaufort, Hilton Head Island, Edisto Beach, Charleston, North Charleston, Mount Pleasant, Levy, Chelsea, Jasper, and Daniel Island 735 AM EST Tue Mar 9 2021 ...FROST ADVISORY WILL EXPIRE AT 8 AM EST THIS MORNING... Temperatures will rise rapidly this morning, and the Frost Advisory will expire at 8 AM. $$
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 8, 12:58 PM EST | Frost Advisory | CHS | 19 hr |
Nearby
Freeze Warnings in Georgia, 2021Freeze Warnings in South Carolina, 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.