Alert archive / South Carolina / Lake Wind Advisories in 2021
Lake Wind Advisory 2, NWS Charleston, SC
NWS Charleston, SC issued this lake wind advisory at Jan 27, 2021, 3:08 AM EST for Berkeley County, South Carolina. It took effect at Jan 28, 2021, 12:00 AM EST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Jan 27, 2021, 3:08 AM EST (08:08 UTC)
- In effect from
- Jan 28, 2021, 12:00 AM EST
- Expired
- Jan 28, 2021, 11:55 AM EST
- In force
- 12 hr
- Issued by
- NWS Charleston, SC
County Berkeley County, SC
The radar
The Charleston,SC radar (KCLX), 118 km from the middle of the area, began a volume at 08:08 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, 8.1 hours before the alert went out and 33 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
- 406 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 685 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 176 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
207 WWUS72 KCHS 270808 NPWCHS URGENT - WEATHER MESSAGE National Weather Service Charleston SC 308 AM EST Wed Jan 27 2021 SCZ045-271615- /O.NEW.KCHS.LW.Y.0002.210128T0900Z-210128T1700Z/ Inland Berkeley- Including the cities of Goose Creek and Moncks Corner 308 AM EST Wed Jan 27 2021 ...LAKE WIND ADVISORY IN EFFECT FROM 4 AM TO NOON EST THURSDAY FOR LAKE MOULTRIE... * WHAT...Northwest and north winds 15 to 20 knots with gusts up to 25 knots expected. waves 1 to 2 feet. * WHERE...Lake Moultrie. * WHEN...From 4 AM to noon EST Thursday. * IMPACTS...Strong winds and rough waves on Lake Moultrie will create hazardous conditions for small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters on Lake Moultrie should use extra caution since strong winds and rough waves can overturn small craft. && $$
7 follow-up statements
461 WWUS72 KCHS 271548 NPWCHS URGENT - WEATHER MESSAGE National Weather Service Charleston SC 1048 AM EST Wed Jan 27 2021 SCZ045-280000- /O.CON.KCHS.LW.Y.0002.210128T0900Z-210128T1700Z/ Inland Berkeley- Including the cities of Goose Creek and Moncks Corner 1048 AM EST Wed Jan 27 2021 ...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 4 AM TO NOON EST THURSDAY FOR LAKE MOULTRIE... * WHAT...Northwest and north winds 15 to 20 knots with gusts up to 25 knots and waves 1 to 2 feet expected. * WHERE...Lake Moultrie. * WHEN...From 4 AM to noon EST Thursday. * IMPACTS...Strong winds and rough waves on Lake Moultrie will create hazardous conditions for small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters on Lake Moultrie should use extra caution since strong winds and rough waves can overturn small craft. && $$
580 WWUS72 KCHS 271956 NPWCHS URGENT - WEATHER MESSAGE National Weather Service Charleston SC 256 PM EST Wed Jan 27 2021 SCZ045-280400- /O.EXT.KCHS.LW.Y.0002.210128T0500Z-210128T1900Z/ Inland Berkeley- Including the cities of Goose Creek and Moncks Corner 256 PM EST Wed Jan 27 2021 ...LAKE WIND ADVISORY NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 2 PM EST THURSDAY FOR LAKE MOULTRIE... * WHAT...Northwest to north winds up to 20 kt with gusts to 30 kt and waves up to 2 feet. * WHERE...Lake Moultrie. * WHEN...From midnight tonight to 2 PM EST Thursday. * IMPACTS...Strong winds and rough waves on Lake Moultrie will create hazardous conditions for small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters on Lake Moultrie should use extra caution since strong winds and rough waves can overturn small craft. && $$
414 WWUS72 KCHS 272314 NPWCHS URGENT - WEATHER MESSAGE National Weather Service Charleston SC 614 PM EST Wed Jan 27 2021 SCZ045-280715- /O.CON.KCHS.LW.Y.0002.210128T0500Z-210128T1900Z/ Inland Berkeley- Including the cities of Goose Creek and Moncks Corner 614 PM EST Wed Jan 27 2021 ...LAKE WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 2 PM EST THURSDAY FOR LAKE MOULTRIE... * WHAT...Northwest winds 20 to 25 knots with gusts to 30 knots and waves 2 to 3 ft expected. * WHERE...Lake Moultrie. * WHEN...From midnight tonight to 2 PM EST Thursday. * IMPACTS...Strong winds and rough waves on Lake Moultrie will create hazardous conditions for small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters on Lake Moultrie should use extra caution since strong winds and rough waves can overturn small craft. && $$
581 WWUS72 KCHS 280246 NPWCHS URGENT - WEATHER MESSAGE National Weather Service Charleston SC 946 PM EST Wed Jan 27 2021 SCZ045-281100- /O.CON.KCHS.LW.Y.0002.210128T0500Z-210128T1900Z/ Inland Berkeley- Including the cities of Goose Creek and Moncks Corner 946 PM EST Wed Jan 27 2021 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM EST THURSDAY FOR LAKE MOULTRIE... * WHAT...Northwest winds 20 to 25 knots with gusts to 30 knots and waves 2 to 3 ft expected. * WHERE...Lake Moultrie. * WHEN...Until 2 PM EST Thursday. * IMPACTS...Strong winds and rough waves on Lake Moultrie will create hazardous conditions for small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters on Lake Moultrie should use extra caution since strong winds and rough waves can overturn small craft. && $$
951 WWUS72 KCHS 280756 NPWCHS URGENT - WEATHER MESSAGE National Weather Service Charleston SC 256 AM EST Thu Jan 28 2021 SCZ045-281600- /O.CON.KCHS.LW.Y.0002.000000T0000Z-210128T1900Z/ Inland Berkeley- Including the cities of Goose Creek and Moncks Corner 256 AM EST Thu Jan 28 2021 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM EST THIS AFTERNOON FOR LAKE MOULTRIE... * WHAT...Northwest and north winds 20 to 25 knots with gusts to 30 knots and waves 2 to 3 ft expected. * WHERE...Lake Moultrie. * WHEN...Until 2 PM EST Thursday. * IMPACTS...Strong winds and rough waves on Lake Moultrie will create hazardous conditions for small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters on Lake Moultrie should use extra caution since strong winds and rough waves can overturn small craft. && $$
747 WWUS72 KCHS 281430 NPWCHS URGENT - WEATHER MESSAGE National Weather Service Charleston SC 930 AM EST Thu Jan 28 2021 SCZ045-281900- /O.CON.KCHS.LW.Y.0002.000000T0000Z-210128T1900Z/ Inland Berkeley- Including the cities of Goose Creek and Moncks Corner 930 AM EST Thu Jan 28 2021 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM EST THIS AFTERNOON FOR LAKE MOULTRIE... * WHAT...Northwest and north winds 20 to 25 knots with gusts to 30 knots and waves 2 to 3 ft expected. * WHERE...Lake Moultrie. * WHEN...Until 2 PM EST Thursday. * IMPACTS...Strong winds and rough waves on Lake Moultrie will create hazardous conditions for small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters on Lake Moultrie should use extra caution since strong winds and rough waves can overturn small craft. && $$
439 WWUS72 KCHS 281655 NPWCHS URGENT - WEATHER MESSAGE National Weather Service Charleston SC 1155 AM EST Thu Jan 28 2021 SCZ045-281800- /O.CAN.KCHS.LW.Y.0002.000000T0000Z-210128T1900Z/ Inland Berkeley- Including the cities of Goose Creek and Moncks Corner 1155 AM EST Thu Jan 28 2021 ...LAKE WIND ADVISORY IS CANCELLED FOR LAKE MOULTRIE... Winds on Lake Moultrie will continue to subside. Occasional gusts up to 20 knots are possible through the early afternoon. $$
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 27, 3:12 AM EST | Gale Warning | CHS | 33 hr | |
| Jan 27, 3:12 AM EST | Small Craft Advisory | CHS | 12 hr | |
| Jan 27, 9:24 AM EST | Severe Thunderstorm Warning | CHS | Beaufort, Hampton, Jasper | 51 min |
| Jan 27, 9:46 AM EST | Severe Thunderstorm Warning | CHS | Beaufort, Jasper | 43 min |
| Jan 27, 10:02 AM EST | Special Marine Warning | CHS | 50 min | |
| Jan 27, 11:39 AM EST | Special Weather Statement | CHS | Allendale | 21 min |
Nearby
Lake Wind Advisories in South Carolina, 2021Every lake wind advisory 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.