Alert archive / South Carolina / Freeze Warnings in 2017
Freeze Warning 4, NWS Columbia, SC
NWS Columbia, SC issued this freeze warning at Mar 14, 2017, 3:43 AM EDT for 16 counties in South Carolina; 5 counties in Georgia. It took effect at Mar 15, 2017, 1:00 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
- Mar 14, 2017, 3:43 AM EDT (07:43 UTC)
- In effect from
- Mar 15, 2017, 1:00 AM EDT
- Expired
- Mar 15, 2017, 10:00 AM EDT
- In force
- 9 hr
- Issued by
- NWS Columbia, SC
All 21 counties
Burke County, GA, Columbia County, GA, Lincoln County, GA, McDuffie County, GA, Richmond County, GA, Aiken County, SC, Bamberg County, SC, Barnwell County, SC, Calhoun County, SC, Chesterfield County, SC, Clarendon County, SC, Edgefield County, SC, Fairfield County, SC, Kershaw County, SC, Lee County, SC, Lexington County, SC, McCormick County, SC, Newberry County, SC, Richland County, SC, Saluda County, SC, Sumter County, SC
The radar
The Columbia radar (KCAE), 28 km from the middle of the area, began a volume at 07:44 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 00:00Z, 7.7 hours before the alert went out and 162 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
- 479 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 215 m²/s²
- 0-3 km storm-relative helicity
- 232 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
189 WWUS72 KCAE 140743 NPWCAE URGENT - WEATHER MESSAGE National Weather Service Columbia SC 343 AM EDT Tue Mar 14 2017 ...Freezing temperatures and gusty lake winds tonight... .The entire area will see temperatures below freezing tonight through Wednesday morning. Additionally, strong boundary layer winds will mix down over the warmer lakes, causing windy conditions. GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041- 141900- /O.UPG.KCAE.FZ.A.0001.170315T0300Z-170315T1500Z/ /O.NEW.KCAE.FZ.W.0004.170315T0300Z-170315T1500Z/ /O.NEW.KCAE.LW.Y.0008.170315T0000Z-170315T1500Z/ Lincoln-McDuffie-Columbia-Richmond-Burke-Lancaster-Chesterfield- McCormick-Newberry-Fairfield-Kershaw-Edgefield-Saluda-Lexington- Richland-Lee-Aiken-Sumter-Barnwell-Orangeburg-Calhoun-Clarendon- Bamberg- Including the cities of Lincolnton, Thomson, Martinez, Evans, Hephzibah, Waynesboro, Lancaster, Elgin, Lancaster Mill, Cheraw, Pageland, Mccormick, Newberry, Winnsboro, Winnsboro Mills, Camden, Lugoff, Edgefield, Johnston, Saluda, Ridge Spring, Seven Oaks, West Columbia, Cayce, Lexington, Red Bank, Oak Grove, Columbia, Bishopville, Aiken, North Augusta, Sumter, Barnwell, Williston, Blackville, Orangeburg, Brookdale, St. Matthews, Manning, Summerton, Bamberg, and Denmark 343 AM EDT Tue Mar 14 2017 ...LAKE WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 11 AM EDT WEDNESDAY... ...FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 11 AM EDT WEDNESDAY... The National Weather Service in Columbia has issued a Freeze Warning, which is in effect from 11 PM this evening to 11 AM EDT Wednesday. A Lake Wind Advisory has also been issued. This Lake Wind Advisory is in effect from 8 PM this evening to 11 AM EDT Wednesday. The Freeze Watch is no longer in effect. * WINDS...Northwest 15 to 25 mph with gusts up to 35 mph over the lakes. * TIMING...Lake winds will increase late this evening and remain gusty through Wednesday morning. Temperatures will fall below freezing after midnight, and be coldest just before sunrise. * TEMPERATURES...Dropping into the mid to upper 20s. * IMPACTS...Freezing temperatures may kill sensitive plants left outdoors. Gusty lake winds may cause small boats to capsize. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. A Lake Wind Advisory indicates that winds will cause rough chop on area lakes. Small boats will be especially prone to capsizing. && $$
3 follow-up statements
644 WWUS72 KCAE 141805 NPWCAE URGENT - WEATHER MESSAGE National Weather Service Columbia SC 205 PM EDT Tue Mar 14 2017 ...Freezing Temperatures and Gusty Lake Winds... .Strong low pressure well north of the forecast area will help cause breezy conditions through Wednesday. Canadian high pressure moving into the area will bring freezing conditions during the nights through Thursday night. The high will be centered over the region Wednesday night and it should be coldest that night. Moderating temperatures will begin Friday because of air mass modification and a developing southerly flow as the high slides off the Southeast Coast. GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041- 151200- /O.EXT.KCAE.FZ.W.0004.170315T0500Z-170315T1400Z/ /O.CON.KCAE.LW.Y.0008.170315T0000Z-170315T1500Z/ Lincoln-McDuffie-Columbia-Richmond-Burke-Lancaster-Chesterfield- McCormick-Newberry-Fairfield-Kershaw-Edgefield-Saluda-Lexington- Richland-Lee-Aiken-Sumter-Barnwell-Orangeburg-Calhoun-Clarendon- Bamberg- Including the cities of Lincolnton, Thomson, Martinez, Evans, Hephzibah, Waynesboro, Lancaster, Elgin, Lancaster Mill, Cheraw, Pageland, Mccormick, Newberry, Winnsboro, Winnsboro Mills, Camden, Lugoff, Edgefield, Johnston, Saluda, Ridge Spring, Seven Oaks, West Columbia, Cayce, Lexington, Red Bank, Oak Grove, Columbia, Bishopville, Aiken, North Augusta, Sumter, Barnwell, Williston, Blackville, Orangeburg, Brookdale, St. Matthews, Manning, Summerton, Bamberg, and Denmark 205 PM EDT Tue Mar 14 2017 ...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 11 AM EDT WEDNESDAY... ...FREEZE WARNING IN EFFECT FROM 1 AM TO 10 AM EDT WEDNESDAY... * WINDS...Northwest winds 15 to 20 knots with gusts around 30 knots tonight into Wednesday on area lakes. * TEMPERATURES...Dropping into the mid to upper 20s. * IMPACTS...Gusty lake winds may cause small boats to capsize. Freezing temperatures may kill sensitive plants left outdoors. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Lake Wind Advisory indicates that winds will cause rough chop on area lakes. Small boats will be especially prone to capsizing. A Freeze Warning means sub-freezing temperatures are imminent or highly likely. You may want to take precautions to protect plants sensitive to freezing temperatures. && $$
982 WWUS72 KCAE 150545 NPWCAE URGENT - WEATHER MESSAGE National Weather Service Columbia SC 145 AM EDT Wed Mar 15 2017 ...Freezing Temperatures and Gusty Lake Winds... .Strong low pressure well north of the forecast area will help cause breezy conditions through Wednesday. Canadian high pressure moving into the area will bring freezing conditions during the nights through Thursday night. The high will be centered over the region Wednesday night and it should be coldest that night. Moderating temperatures will begin Friday because of air mass modification and a developing southerly flow as the high slides off the Southeast Coast. GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041- 151400- /O.CON.KCAE.FZ.W.0004.000000T0000Z-170315T1400Z/ /O.CON.KCAE.LW.Y.0008.000000T0000Z-170315T1500Z/ Lincoln-McDuffie-Columbia-Richmond-Burke-Lancaster-Chesterfield- McCormick-Newberry-Fairfield-Kershaw-Edgefield-Saluda-Lexington- Richland-Lee-Aiken-Sumter-Barnwell-Orangeburg-Calhoun-Clarendon- Bamberg- Including the cities of Lincolnton, Thomson, Martinez, Evans, Hephzibah, Waynesboro, Lancaster, Elgin, Lancaster Mill, Cheraw, Pageland, Mccormick, Newberry, Winnsboro, Winnsboro Mills, Camden, Lugoff, Edgefield, Johnston, Saluda, Ridge Spring, Seven Oaks, West Columbia, Cayce, Lexington, Red Bank, Oak Grove, Columbia, Bishopville, Aiken, North Augusta, Sumter, Barnwell, Williston, Blackville, Orangeburg, Brookdale, St. Matthews, Manning, Summerton, Bamberg, and Denmark 145 AM EDT Wed Mar 15 2017 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT THIS MORNING... ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WINDS...Northwest winds 15 to 20 knots with gusts around 30 knots tonight into Wednesday on area lakes. * TEMPERATURES...Dropping into the mid to upper 20s. * IMPACTS...Gusty lake winds may cause small boats to capsize. Freezing temperatures may kill sensitive plants left outdoors. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Lake Wind Advisory indicates that winds will cause rough chop on area lakes. Small boats will be especially prone to capsizing. A Freeze Warning means sub-freezing temperatures are imminent or highly likely. You may want to take precautions to protect plants sensitive to freezing temperatures. && $$
343 WWUS72 KCAE 151415 NPWCAE URGENT - WEATHER MESSAGE National Weather Service Columbia SC 1015 AM EDT Wed Mar 15 2017 GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041- 151515- /O.CAN.KCAE.LW.Y.0008.000000T0000Z-170315T1500Z/ /O.EXP.KCAE.FZ.W.0004.000000T0000Z-170315T1400Z/ Lincoln-McDuffie-Columbia-Richmond-Burke-Lancaster-Chesterfield- McCormick-Newberry-Fairfield-Kershaw-Edgefield-Saluda-Lexington- Richland-Lee-Aiken-Sumter-Barnwell-Orangeburg-Calhoun-Clarendon- Bamberg- Including the cities of Lincolnton, Thomson, Martinez, Evans, Hephzibah, Waynesboro, Lancaster, Elgin, Lancaster Mill, Cheraw, Pageland, Mccormick, Newberry, Winnsboro, Winnsboro Mills, Camden, Lugoff, Edgefield, Johnston, Saluda, Ridge Spring, Seven Oaks, West Columbia, Cayce, Lexington, Red Bank, Oak Grove, Columbia, Bishopville, Aiken, North Augusta, Sumter, Barnwell, Williston, Blackville, Orangeburg, Brookdale, St. Matthews, Manning, Summerton, Bamberg, and Denmark 1015 AM EDT Wed Mar 15 2017 ...LAKE WIND ADVISORY IS CANCELLED... ...FREEZE WARNING HAS EXPIRED... The National Weather Service in Columbia has cancelled the Lake Wind Advisory. The freeze warning has been allowed to expire. $$
The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 14, 3:43 AM EDT | Lake Wind Advisory | CAE | Aiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 10 more | 31 hr |
Nearby
Freeze Warnings in South Carolina, 2017Freeze Warnings in Georgia, 2017Every freeze warning in 2017
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.