Alert archive / South Carolina / Freeze Warnings in 2021
Freeze Warning 4, NWS Wilmington, NC
NWS Wilmington, NC issued this freeze warning at Nov 23, 2021, 2:18 AM EST for 5 counties in South Carolina; 4 counties in North Carolina. It took effect at Nov 23, 2021, 10:00 PM EST. It was in force for 11 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
- Nov 23, 2021, 2:18 AM EST (07:18 UTC)
- In effect from
- Nov 23, 2021, 10:00 PM EST
- Expired
- Nov 24, 2021, 9:00 AM EST
- In force
- 11 hr
- Issued by
- NWS Wilmington, NC
Counties Brunswick County, NC, Columbus County, NC, New Hanover County, NC, Pender County, NC, Florence County, SC, Georgetown County, SC, Horry County, SC, Marion County, SC, Williamsburg County, SC
The radar
The Wilmington radar (KLTX), 39 km from the middle of the area, began a volume at 07:22 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, 7.3 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
- 876 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- -85 m²/s²
- 0-3 km storm-relative helicity
- -18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
451 WWUS72 KILM 230718 NPWILM URGENT - WEATHER MESSAGE National Weather Service Wilmington NC 218 AM EST Tue Nov 23 2021 NCZ099-106>110-SCZ032-033-039-054>056-058-059-232100- /O.UPG.KILM.FZ.A.0004.211124T0300Z-211124T1500Z/ /O.NEW.KILM.FZ.W.0004.211124T0300Z-211124T1400Z/ Columbus-Coastal Pender-Inland New Hanover-Coastal New Hanover- Inland Brunswick-Coastal Brunswick-Florence-Marion-Williamsburg- Coastal Horry-Inland Georgetown-Coastal Georgetown-Central Horry- Northern Horry- Including the cities of Whiteville, Tabor City, Chadbourn, Lake Waccamaw, Surf City, Wilmington, Masonboro, Myrtle Grove, Ogden, Carolina Beach, Seagate, Boiling Spring Lakes, Leland, Shallotte, Oak Island, Long Beach, Southport, Sunset Beach, Florence, Marion, Mullins, Kingstree, Myrtle Beach, Socastee, North Myrtle Beach, Garden City, Little River, Andrews, Georgetown, Murrells Inlet, Conway, Longs, Bucksport, Loris, Green Sea, and Aynor 218 AM EST Tue Nov 23 2021 ...FREEZE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 9 AM EST WEDNESDAY... * WHAT...Sub-freezing temperatures, as low as 26 expected. * WHERE...Portions of northeast South Carolina and southeast North Carolina. * WHEN...From 10 PM this evening to 9 AM EST Wednesday. * 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. && $$ 8
3 follow-up statements
870 WWUS72 KILM 232015 NPWILM URGENT - WEATHER MESSAGE National Weather Service Wilmington NC 315 PM EST Tue Nov 23 2021 NCZ099-106>110-SCZ032-033-039-054>056-058-059-240400- /O.CON.KILM.FZ.W.0004.211124T0300Z-211124T1400Z/ Columbus-Coastal Pender-Inland New Hanover-Coastal New Hanover- Inland Brunswick-Coastal Brunswick-Florence-Marion-Williamsburg- Coastal Horry-Inland Georgetown-Coastal Georgetown-Central Horry- Northern Horry- Including the cities of Whiteville, Tabor City, Chadbourn, Lake Waccamaw, Surf City, Wilmington, Masonboro, Myrtle Grove, Ogden, Carolina Beach, Seagate, Boiling Spring Lakes, Leland, Shallotte, Oak Island, Long Beach, Southport, Sunset Beach, Florence, Marion, Mullins, Kingstree, Myrtle Beach, Socastee, North Myrtle Beach, Garden City, Little River, Andrews, Georgetown, Murrells Inlet, Conway, Longs, Bucksport, Loris, Green Sea, and Aynor 315 PM EST Tue Nov 23 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 9 AM EST WEDNESDAY... * WHAT...Sub-freezing temperatures as low as 24 expected. * WHERE...Portions of northeast South Carolina and southeast North Carolina. * WHEN...From 10 PM this evening to 9 AM EST Wednesday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$
646 WWUS72 KILM 240300 NPWILM URGENT - WEATHER MESSAGE National Weather Service Wilmington NC 1000 PM EST Tue Nov 23 2021 NCZ099-106>110-SCZ032-033-039-054>056-058-059-241400- /O.CON.KILM.FZ.W.0004.000000T0000Z-211124T1400Z/ Columbus-Coastal Pender-Inland New Hanover-Coastal New Hanover- Inland Brunswick-Coastal Brunswick-Florence-Marion-Williamsburg- Coastal Horry-Inland Georgetown-Coastal Georgetown-Central Horry- Northern Horry- Including the cities of Whiteville, Tabor City, Chadbourn, Lake Waccamaw, Surf City, Wilmington, Masonboro, Myrtle Grove, Ogden, Carolina Beach, Seagate, Boiling Spring Lakes, Leland, Shallotte, Oak Island, Long Beach, Southport, Sunset Beach, Florence, Marion, Mullins, Kingstree, Myrtle Beach, Socastee, North Myrtle Beach, Garden City, Little River, Andrews, Georgetown, Murrells Inlet, Conway, Longs, Bucksport, Loris, Green Sea, and Aynor 1000 PM EST Tue Nov 23 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EST WEDNESDAY... * WHAT...Sub-freezing temperatures overnight with lows ranging from the low to mid 20s inland to the upper 20s to around 30 along the beaches. * WHERE...Portions of northeast South Carolina and southeast North Carolina. * WHEN...Until 9 AM EST Wednesday. * IMPACTS...Mainly a lengthy freeze is expected that will kill crops and other sensitive vegetation as well as possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possibly the bursting of outdoor water pipes, make sure they are wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above-ground pipes to also protect them from freezing. && $$ dch
582 WWUS72 KILM 241347 NPWILM URGENT - WEATHER MESSAGE National Weather Service Wilmington NC 847 AM EST Wed Nov 24 2021 NCZ099-106>110-SCZ032-033-039-054>056-058-059-241500- /O.EXP.KILM.FZ.W.0004.000000T0000Z-211124T1400Z/ Columbus-Coastal Pender-Inland New Hanover-Coastal New Hanover- Inland Brunswick-Coastal Brunswick-Florence-Marion-Williamsburg- Coastal Horry-Inland Georgetown-Coastal Georgetown-Central Horry- Northern Horry- Including the cities of Whiteville, Tabor City, Chadbourn, Lake Waccamaw, Surf City, Wilmington, Masonboro, Myrtle Grove, Ogden, Carolina Beach, Seagate, Boiling Spring Lakes, Leland, Shallotte, Oak Island, Long Beach, Southport, Sunset Beach, Florence, Marion, Mullins, Kingstree, Myrtle Beach, Socastee, North Myrtle Beach, Garden City, Little River, Andrews, Georgetown, Murrells Inlet, Conway, Longs, Bucksport, Loris, Green Sea, and Aynor 847 AM EST Wed Nov 24 2021 ...FREEZE WARNING WILL EXPIRE AT 9 AM EST THIS MORNING... Below freezing temperatures across the area have put an end to the local growing season. Therefore, we will no longer issue any frost or freeze products this year. $$
The office that day
Everything else NWS Wilmington, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 23, 11:48 AM EST | Small Craft Advisory | ILM | 10 hr |
Nearby
Freeze Warnings in South Carolina, 2021Freeze Warnings in North 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.