Alert archive / South Carolina / Wind Advisories in 2020

Wind Advisory 2, NWS Columbia, SC

October 28, 20208 counties in South Carolina; Lincoln County, Georgia

NWS Columbia, SC issued this wind advisory at Oct 28, 2020, 2:17 PM EDT for 8 counties in South Carolina; Lincoln County, Georgia. It took effect at Oct 29, 2020, 8:00 AM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Oct 28, 2020, 2:17 PM EDT (18:17 UTC)
In effect from
Oct 29, 2020, 8:00 AM EDT
Expired
Oct 29, 2020, 2:04 PM EDT
In force
6 hr
Issued by
NWS Columbia, SC

Counties Lincoln County, GA, Chesterfield County, SC, Edgefield County, SC, Fairfield County, SC, Kershaw County, SC, Lancaster County, SC, McCormick County, SC, Newberry County, SC, Saluda County, SC

The radar

The Columbia radar (KCAE), 39 km from the middle of the area, began a volume at 18:19 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, 6.3 hours before the alert went out and 195 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, Charleston AFB, SC at 12:00Z on 2020-10-28Temperature 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, Charleston AFB, SC at 12:00Z on 2020-10-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.193958Sfc1 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
1048 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

336 
WWUS72 KCAE 281817
NPWCAE

URGENT - WEATHER MESSAGE
National Weather Service Columbia SC
217 PM EDT Wed Oct 28 2020


GAZ040-SCZ016-018-020>022-025-026-115-116-290230-
/O.NEW.KCAE.WI.Y.0002.201029T1200Z-201029T2200Z/
Lincoln-Chesterfield-McCormick-Newberry-Fairfield-Kershaw-
Edgefield-Saluda-Northern Lancaster-Southern Lancaster-
Including the cities of Lincolnton, Cheraw, Pageland, Mccormick, 
Newberry, Winnsboro, Winnsboro Mills, Camden, Lugoff, Edgefield, 
Johnston, Saluda, Ridge Spring, Indian Land, Lancaster, Elgin, 
and Lancaster Mill
217 PM EDT Wed Oct 28 2020

...WIND ADVISORY IN EFFECT FROM 8 AM TO 6 PM EDT THURSDAY...

The National Weather Service in Columbia has issued a Wind
Advisory, which is in effect from 8 AM to 6 PM EDT Thursday.

* WINDS...South 15 to 25 mph with gusts up to 40 mph.

* TIMING...FROM 8 AM TO 6 PM EDT Thursday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

&&

$$
4 follow-up statements
488 
WWUS72 KCAE 282124
NPWCAE

URGENT - WEATHER MESSAGE
National Weather Service Columbia SC
524 PM EDT Wed Oct 28 2020

GAZ040-SCZ016-018-020>022-025-026-115-116-291000-
/O.NEW.KCAE.LW.Y.0022.201029T2200Z-201030T0900Z/
/O.CON.KCAE.WI.Y.0002.201029T1200Z-201029T2200Z/
Lincoln-Chesterfield-McCormick-Newberry-Fairfield-Kershaw-
Edgefield-Saluda-Northern Lancaster-Southern Lancaster-
Including the cities of Lincolnton, Cheraw, Pageland, Mccormick, 
Newberry, Winnsboro, Winnsboro Mills, Camden, Lugoff, Edgefield, 
Johnston, Saluda, Ridge Spring, Indian Land, Lancaster, Elgin, 
and Lancaster Mill
524 PM EDT Wed Oct 28 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM TO 6 PM EDT
THURSDAY...
...LAKE WIND ADVISORY IN EFFECT FROM 6 PM THURSDAY TO 5 AM EDT
FRIDAY...

The National Weather Service in Columbia has issued a Lake Wind
Advisory, which is in effect from 6 PM Thursday to 5 AM EDT
Friday.

* WINDS...South 15 to 25 mph with gusts to 40-45 mph through 6 PM
  EDT. Southwesterly 10 to 20 mph with gusts up to 35 mph over 
  lakes Thursday night.

* TIMING...Wind Advisory from 8 AM TO 6 PM EDT Thursday. Lake Wind
  Advisory from 6 PM EDT to 5 AM EDT Friday.

* IMPACTS...Strong winds and rough waves on area lakes will 
  create hazardous conditions for small craft. Gusty winds could 
  blow around unsecured objects. Tree limbs could be blown down 
  and a few power outages may result.

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 Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

&&

$$

GAZ063>065-077-SCZ027>031-035>038-041-291000-
/O.NEW.KCAE.LW.Y.0022.201029T1200Z-201030T0900Z/
McDuffie-Columbia-Richmond-Burke-Lexington-Richland-Lee-Aiken-
Sumter-Barnwell-Orangeburg-Calhoun-Clarendon-Bamberg-
Including the cities of Thomson, Martinez, Evans, Augusta, 
Hephzibah, Waynesboro, 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
524 PM EDT Wed Oct 28 2020

...LAKE WIND ADVISORY IN EFFECT FROM 8 AM THURSDAY TO 5 AM EDT
FRIDAY...

The National Weather Service in Columbia has issued a Lake Wind
Advisory, which is in effect from 8 AM Thursday to 5 AM EDT
Friday.

* WINDS...Southwest 15 to 25 knots with gusts up to 35 knots.

* TIMING...Thursday through Thursday night.

* IMPACTS...Strong winds and rough waves on area lakes will 
  create hazardous conditions for small craft.

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.

&&

$$
951 
WWUS72 KCAE 290811
NPWCAE

URGENT - WEATHER MESSAGE
National Weather Service Columbia SC
411 AM EDT Thu Oct 29 2020


GAZ040-SCZ016-018-020>022-025-026-115-116-292230-
/O.CON.KCAE.WI.Y.0002.201029T1200Z-201029T2200Z/
/O.CON.KCAE.LW.Y.0022.201029T2200Z-201030T0900Z/
Lincoln-Chesterfield-McCormick-Newberry-Fairfield-Kershaw-
Edgefield-Saluda-Northern Lancaster-Southern Lancaster-
Including the cities of Lincolnton, Cheraw, Pageland, Mccormick, 
Newberry, Winnsboro, Winnsboro Mills, Camden, Lugoff, Edgefield, 
Johnston, Saluda, Ridge Spring, Indian Land, Lancaster, Elgin, 
and Lancaster Mill
411 AM EDT Thu Oct 29 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 6 PM
EDT THIS EVENING...
...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
5 AM EDT FRIDAY...

* WINDS...South 15 to 25 mph with gusts to 35 to 45 mph through 6
  PM EDT. Southwesterly 10 to 20 mph with gusts up to 35 mph over
  lakes Tonight.

* TIMING...Wind Advisory from 8 AM TO 6 PM EDT Thursday. Lake Wind
  Advisory from 6 PM EDT to 5 AM EDT Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result. 
  Strong winds and rough waves on area lakes will create hazardous
  conditions for small craft. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds 
this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

A Lake Wind Advisory indicates that winds will cause rough chop
on area lakes. Small boats will be especially prone to capsizing.

&&

$$

GAZ063>065-077-SCZ027>031-035>038-041-292230-
/O.CON.KCAE.LW.Y.0022.201029T1200Z-201030T0900Z/
McDuffie-Columbia-Richmond-Burke-Lexington-Richland-Lee-Aiken-
Sumter-Barnwell-Orangeburg-Calhoun-Clarendon-Bamberg-
Including the cities of Thomson, Martinez, Evans, Augusta, 
Hephzibah, Waynesboro, 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
411 AM EDT Thu Oct 29 2020

...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO
5 AM EDT FRIDAY...

* WINDS...Southwest 15 to 25 knots with gusts up to 35 knots.

* TIMING...Today and Tonight.

* IMPACTS...Strong winds and rough waves on area lakes will 
  create hazardous conditions for small craft.

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.

&&

$$
849 
WWUS72 KCAE 291516
NPWCAE

URGENT - WEATHER MESSAGE
National Weather Service Columbia SC
1116 AM EDT Thu Oct 29 2020


GAZ040-SCZ016-018-020>022-025-026-115-116-292200-
/O.CON.KCAE.WI.Y.0002.000000T0000Z-201029T2200Z/
/O.CON.KCAE.LW.Y.0022.201029T2200Z-201030T0900Z/
Lincoln-Chesterfield-McCormick-Newberry-Fairfield-Kershaw-
Edgefield-Saluda-Northern Lancaster-Southern Lancaster-
Including the cities of Lincolnton, Cheraw, Pageland, Mccormick, 
Newberry, Winnsboro, Winnsboro Mills, Camden, Lugoff, Edgefield, 
Johnston, Saluda, Ridge Spring, Indian Land, Lancaster, Elgin, 
and Lancaster Mill
1116 AM EDT Thu Oct 29 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING...
...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
5 AM EDT FRIDAY...

* WINDS...Southwest 15 to 25 mph with gusts to 35 to 45 mph
  through 6 PM EDT this evening. Southwesterly 10 to 20 mph with 
  gusts up to 35 mph over lakes Tonight.

* TIMING...Wind Advisory through 6 PM EDT this evening. Lake Wind
  Advisory from 6 PM EDT this evening to 5 AM EDT Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. Strong winds and rough waves on area lakes will create 
  hazardous conditions for small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

A Lake Wind Advisory indicates that winds will cause rough chop
on area lakes. Small boats will be especially prone to capsizing.

&&

$$

GAZ063>065-077-SCZ027>031-035>038-041-292200-
/O.CON.KCAE.LW.Y.0022.000000T0000Z-201030T0900Z/
McDuffie-Columbia-Richmond-Burke-Lexington-Richland-Lee-Aiken-
Sumter-Barnwell-Orangeburg-Calhoun-Clarendon-Bamberg-
Including the cities of Thomson, Martinez, Evans, Augusta, 
Hephzibah, Waynesboro, 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
1116 AM EDT Thu Oct 29 2020

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT FRIDAY...

* WINDS...Southwest 15 to 25 knots with gusts up to 35 knots.

* TIMING...through Tonight.

* IMPACTS...Strong winds and rough waves on area lakes will 
  create hazardous conditions for small craft.

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.

&&

$$
852 
WWUS72 KCAE 291804
NPWCAE

URGENT - WEATHER MESSAGE
National Weather Service Columbia SC
204 PM EDT Thu Oct 29 2020


GAZ040-SCZ016-018-020>022-025-026-115-116-300500-
/O.CAN.KCAE.WI.Y.0002.000000T0000Z-201029T2200Z/
/O.EXT.KCAE.LW.Y.0022.201029T1804Z-201030T0900Z/
Lincoln-Chesterfield-McCormick-Newberry-Fairfield-Kershaw-
Edgefield-Saluda-Northern Lancaster-Southern Lancaster-
Including the cities of Lincolnton, Cheraw, Pageland, Mccormick, 
Newberry, Winnsboro, Winnsboro Mills, Camden, Lugoff, Edgefield, 
Johnston, Saluda, Ridge Spring, Indian Land, Lancaster, Elgin, 
and Lancaster Mill
204 PM EDT Thu Oct 29 2020

...LAKE WIND ADVISORY NOW IN EFFECT UNTIL 5 AM EDT FRIDAY...
...WIND ADVISORY IS CANCELLED...

The National Weather Service in Columbia has cancelled the Wind
Advisory.

* WINDS...Southwest 15 to 25 knots with gusts up to 30 knots
  becoming west tonight.

* TIMING...Through 5 AM EDT Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. Strong winds and rough waves on area lakes will create 
  hazardous conditions for small craft.

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.

&&

$$

GAZ063>065-077-SCZ027>031-035>038-041-300500-
/O.CON.KCAE.LW.Y.0022.000000T0000Z-201030T0900Z/
McDuffie-Columbia-Richmond-Burke-Lexington-Richland-Lee-Aiken-
Sumter-Barnwell-Orangeburg-Calhoun-Clarendon-Bamberg-
Including the cities of Thomson, Martinez, Evans, Augusta, 
Hephzibah, Waynesboro, 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
204 PM EDT Thu Oct 29 2020

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT FRIDAY...

* WINDS...Southwest 15 to 25 knots with gusts up to 30 knots
  becoming west tonight.

* TIMING...Through 5 AM EDT Friday.

* IMPACTS...Strong winds and rough waves on area lakes will 
  create hazardous conditions for small craft.

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 28, 5:24 PM EDTLake Wind AdvisoryCAEAiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 11 more39 hr

Nearby

Wind Advisories in South Carolina, 2020Wind Advisories in Georgia, 2020Every wind advisory in 2020

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.