Alert archive / South Carolina / Lake Wind Advisories in 2018

Lake Wind Advisory 24, NWS Columbia, SC

December 20, 201816 counties in South Carolina; 5 counties in Georgia

NWS Columbia, SC issued this lake wind advisory at Dec 20, 2018, 2:38 PM EST for 16 counties in South Carolina; 5 counties in Georgia. It took effect at Dec 21, 2018, 7:00 AM EST. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued: Dec 20, 2018, 2:38 PM EST (19:38 UTC)
In effect from: Dec 21, 2018, 7:00 AM EST
Expired: Dec 22, 2018, 4:00 AM EST
In force: 21 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 19:39 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.

What forecasters said that day

The local office's own words before this lake wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Columbia, SC wrote its last area forecast discussion before this lake wind advisory went out at Dec 20, 2:37 PM EST, 1 minute earlier.

Area forecast discussion, Dec 20, 2:37 PM EST, 1 minute before

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Hazardous weather outlook, Dec 20, 3:57 AM EST, 10 hours 41 minutes before

Hazardous Weather Outlook
National Weather Service Columbia SC
357 AM EST Thu Dec 20 2018

GAZ040-063>065-077-SCZ015-016-018-020>022-025>030-210900-
Lincoln-McDuffie-Columbia-Richmond-Burke-Lancaster-Chesterfield-
McCormick-Newberry-Fairfield-Kershaw-Edgefield-Saluda-Lexington-
Richland-Lee-Aiken-
357 AM EST Thu Dec 20 2018

This Hazardous Weather Outlook is for the Midlands of South Carolina
and the Central Savannah River area of Georgia.

.DAY ONE...Tonight.

Periods of moderate to heavy rain also possible which may
result in minor flooding of typical low lying and poor drainage
areas.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Breezy conditions are expected to develop on Friday and a Lake Wind
Advisory may be needed.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

SCZ031-035>038-041-210900-
Sumter-Barnwell-Orangeburg-Calhoun-Clarendon-Bamberg-
357 AM EST Thu Dec 20 2018

This Hazardous Weather Outlook is for the Midlands of South Carolina
and the Central Savannah River area of Georgia.

.DAY ONE...Tonight.

A marginal severe threat is possible this afternoon with damaging
wind gusts being the primary threat but also a non-zero tornado
threat. Periods of moderate to heavy rain also possible which may
result in minor flooding of typical low lying and poor drainage
areas.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Breezy conditions are expected to develop on Friday and a Lake Wind
Advisory may be needed.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon.

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 20, 2:58 PM EST	River Flood Warning	CAE	Greenwood, Newberry, Saluda	4 days

Nearby

Lake Wind Advisories in South Carolina, 2018 Lake Wind Advisories in Georgia, 2018 Every lake wind advisory in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.