Alert archive / South Carolina / Lake Wind Advisories in 2012
Lake Wind Advisory 1, NWS Charleston, SC
NWS Charleston, SC issued this lake wind advisory at Jan 1, 2012, 4:16 AM EST for Berkeley County, South Carolina. It took effect at Jan 1, 2012, 6:34 PM EST. It was in force for 48 hr.
The area
The counties it named.
The facts
- Issued
- Jan 1, 2012, 4:16 AM EST (09:16 UTC)
- In effect from
- Jan 1, 2012, 6:34 PM EST
- Expired
- Jan 3, 2012, 7:00 PM EST
- In force
- 48 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 09:21 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, 9.3 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2445 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
511 WWUS72 KCHS 010916 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 416 AM EST SUN JAN 1 2012 SCZ045-011730- /O.NEW.KCHS.LW.Y.0001.120101T1800Z-120102T1500Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 416 AM EST SUN JAN 1 2012 ...LAKE WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 AM EST MONDAY FOR LAKE MOULTRIE... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A LAKE WIND ADVISORY...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 AM EST MONDAY. * HAZARDS: GUSTY WINDS THIS AFTERNOON...STRONGER WINDS AND CHOPPY WAVES TONIGHT. * WINDS: SW 15 TO 25 KT...BECOMING NW TONIGHT. * WAVES: BUILDING TO 1 TO 2 FT TONIGHT. * TIMING: GUSTY WINDS ALONG SOUTH AND SOUTHWEST SHORES OF LAKE MOULTRIE THIS AFTERNOON...THEN DETERIORATING CONDITIONS OVER OPEN LAKE WATERS AFTER DUSK. * IMPACTS: THE COMBINATION OF INCREASING WINDS AND WAVES WILL MAKE CONDITIONS DIFFICULT FOR SMALL CRAFT ON THE LAKE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MARINERS SHOULD USE EXTRA CAUTION ON LAKE MOULTRIE THROUGH MONDAY MORNING...ESPECIALLY ON THE OPEN LAKE WATERS. STRONG WINDS MAY LEAD TO LARGE WAVES WHICH CAN CAPSIZE BOATS. && $$
17 follow-up statements
285 WWUS72 KCHS 011127 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 627 AM EST SUN JAN 1 2012 GAZ137>141-011400- /O.NEW.KCHS.FG.Y.0001.120101T1127Z-120101T1400Z/ LONG-INLAND LIBERTY-COASTAL LIBERTY-INLAND MCINTOSH- COASTAL MCINTOSH- INCLUDING THE CITIES OF...LUDOWICI...HINESVILLE... HALFMOON LANDING...TOWNSEND...DARIEN 627 AM EST SUN JAN 1 2012 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EST THIS MORNING... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A DENSE FOG ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM EST THIS MORNING. * HAZARDS: WIDESPREAD DENSE FOG WILL CONTINUE THROUGH MID MORNING. * VISIBILITIES: 1/4 MILE OR LESS. * TIMING: THE FOG WILL BURN OFF BY 9 AM. * IMPACTS: DENSE FOG COULD MAKE FOR HAZARDOUS TRAVEL THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN... USE YOUR LOW BEAM HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU IN CASE A SUDDEN STOP IS NEEDED. && $$ SCZ045-011400- /O.CON.KCHS.LW.Y.0001.120101T1800Z-120102T1500Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 627 AM EST SUN JAN 1 2012 ...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 AM EST MONDAY FOR LAKE MOULTRIE... * HAZARDS: GUSTY WINDS THIS AFTERNOON...STRONGER WINDS AND CHOPPY WAVES TONIGHT. * WINDS: SW 15 TO 25 KT...BECOMING NW TONIGHT. * WAVES: BUILDING TO 1 TO 2 FT TONIGHT. * TIMING: GUSTY WINDS ALONG SOUTH AND SOUTHWEST SHORES OF LAKE MOULTRIE THIS AFTERNOON...THEN DETERIORATING CONDITIONS OVER OPEN LAKE WATERS AFTER DUSK. * IMPACTS: THE COMBINATION OF INCREASING WINDS AND WAVES WILL MAKE CONDITIONS DIFFICULT FOR SMALL CRAFT ON THE LAKE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MARINERS SHOULD USE EXTRA CAUTION ON LAKE MOULTRIE THROUGH MONDAY MORNING...ESPECIALLY ON THE OPEN LAKE WATERS. STRONG WINDS MAY LEAD TO LARGE WAVES WHICH CAN CAPSIZE BOATS. && $$
019 WWUS72 KCHS 011344 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 844 AM EST SUN JAN 1 2012 GAZ137>141-011500- /O.EXT.KCHS.FG.Y.0001.000000T0000Z-120101T1500Z/ LONG-INLAND LIBERTY-COASTAL LIBERTY-INLAND MCINTOSH- COASTAL MCINTOSH- INCLUDING THE CITIES OF...LUDOWICI...HINESVILLE... HALFMOON LANDING...TOWNSEND...DARIEN 844 AM EST SUN JAN 1 2012 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 10 AM EST THIS MORNING... * HAZARDS: AREAS OF DENSE FOG WILL CONTINUE THROUGH MID MORNING. * VISIBILITIES: 1/4 MILE OR LESS. * TIMING: THE FOG WILL BURN OFF BY 10 AM. * IMPACTS: DENSE FOG COULD MAKE FOR HAZARDOUS TRAVEL THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN... USE YOUR LOW BEAM HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU IN CASE A SUDDEN STOP IS NEEDED. && $$ SCZ045-012130- /O.CON.KCHS.LW.Y.0001.120101T1800Z-120102T1500Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 844 AM EST SUN JAN 1 2012 ...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 AM EST MONDAY FOR LAKE MOULTRIE... * HAZARDS: GUSTY WINDS THIS AFTERNOON...STRONGER WINDS AND CHOPPY WAVES TONIGHT. * WINDS: SW 15 TO 25 KT...BECOMING NW TONIGHT. * WAVES: BUILDING TO 1 TO 2 FT TONIGHT. * TIMING: GUSTY WINDS ALONG SOUTH AND SOUTHWEST SHORES OF LAKE MOULTRIE THIS AFTERNOON...THEN DETERIORATING CONDITIONS OVER OPEN LAKE WATERS AFTER DUSK. * IMPACTS: THE COMBINATION OF INCREASING WINDS AND WAVES WILL MAKE CONDITIONS DIFFICULT FOR SMALL CRAFT ON THE LAKE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MARINERS SHOULD USE EXTRA CAUTION ON LAKE MOULTRIE THROUGH MONDAY MORNING...ESPECIALLY ON THE OPEN LAKE WATERS. STRONG WINDS MAY LEAD TO LARGE WAVES WHICH CAN CAPSIZE BOATS. && $$
843 WWUS72 KCHS 011500 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 1000 AM EST SUN JAN 1 2012 GAZ137>141-011700- /O.EXT.KCHS.FG.Y.0001.000000T0000Z-120101T1700Z/ LONG-INLAND LIBERTY-COASTAL LIBERTY-INLAND MCINTOSH- COASTAL MCINTOSH- INCLUDING THE CITIES OF...LUDOWICI...HINESVILLE... HALFMOON LANDING...TOWNSEND...DARIEN 1000 AM EST SUN JAN 1 2012 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL NOON EST TODAY... * HAZARDS: AREAS OF DENSE FOG WILL CONTINUE UNTIL MIDDAY. * VISIBILITIES: 1/4 MILE OR LESS...BUT IMPROVING LATE THIS MORNING. * TIMING: THE FOG WILL DISSIPATE BY NOON. * IMPACTS: DENSE FOG COULD MAKE FOR HAZARDOUS TRAVEL THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN... USE YOUR LOW BEAM HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU IN CASE A SUDDEN STOP IS NEEDED. && $$ SCZ045-012300- /O.EXT.KCHS.LW.Y.0001.120102T0100Z-120102T1500Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 1000 AM EST SUN JAN 1 2012 ...LAKE WIND ADVISORY NOW IN EFFECT FROM 8 PM THIS EVENING TO 10 AM EST MONDAY FOR LAKE MOULTRIE... * HAZARDS: STRONG WINDS AND CHOPPY WAVES. * WINDS: W 15 TO 25 KT...BECOMING NW. * WAVES: BUILDING TO 1 TO 2 FT TONIGHT. * TIMING: DETERIORATING CONDITIONS OVER OPEN LAKE WATERS AFTER DUSK. * IMPACTS: THE COMBINATION OF INCREASING WINDS AND WAVES WILL MAKE CONDITIONS DIFFICULT FOR SMALL CRAFT ON THE LAKE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MARINERS SHOULD USE EXTRA CAUTION ON LAKE MOULTRIE THROUGH MONDAY MORNING...ESPECIALLY ON THE OPEN LAKE WATERS. STRONG WINDS MAY LEAD TO LARGE WAVES WHICH CAN CAPSIZE BOATS. && $$
989 WWUS72 KCHS 011641 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 1141 AM EST SUN JAN 1 2012 GAZ137>141-011745- /O.EXP.KCHS.FG.Y.0001.000000T0000Z-120101T1700Z/ LONG-INLAND LIBERTY-COASTAL LIBERTY-INLAND MCINTOSH- COASTAL MCINTOSH- INCLUDING THE CITIES OF...LUDOWICI...HINESVILLE... HALFMOON LANDING...TOWNSEND...DARIEN 1141 AM EST SUN JAN 1 2012 ...DENSE FOG ADVISORY WILL EXPIRE AT NOON EST TODAY... VISIBILITIES CONTINUE TO IMPROVE ACROSS THE AREA...THUS THE DENSE FOG ADVISORY WILL BE ALLOWED TO EXPIRE. $$ SCZ045-020045- /O.CON.KCHS.LW.Y.0001.120102T0100Z-120102T1500Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 1141 AM EST SUN JAN 1 2012 ...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 10 AM EST MONDAY FOR LAKE MOULTRIE... * HAZARDS: STRONG WINDS AND CHOPPY WAVES. * WINDS: W 15 TO 25 KT...BECOMING NW. * WAVES: BUILDING TO 1 TO 2 FT. * TIMING: DETERIORATING CONDITIONS OVER OPEN LAKE WATERS AFTER DUSK. * IMPACTS: THE COMBINATION OF INCREASING WINDS AND WAVES WILL MAKE CONDITIONS DIFFICULT FOR SMALL CRAFT ON THE LAKE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MARINERS SHOULD USE EXTRA CAUTION ON LAKE MOULTRIE THROUGH MONDAY MORNING...ESPECIALLY ON THE OPEN LAKE WATERS. STRONG WINDS MAY LEAD TO LARGE WAVES WHICH CAN CAPSIZE BOATS. && $$
991 WWUS72 KCHS 012033 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 333 PM EST SUN JAN 1 2012 SCZ045-020445- /O.EXT.KCHS.LW.Y.0001.120102T0100Z-120102T1100Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 333 PM EST SUN JAN 1 2012 ...LAKE WIND ADVISORY NOW IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EST MONDAY FOR LAKE MOULTRIE... * HAZARDS: STRONG WINDS AND CHOPPY WAVES. * WINDS: WEST 15 TO 20 KNOTS WITH GUSTS TO 25 KNOTS LATE THIS EVENING...THEN BECOMING NORTHWEST OVERNIGHT. * WAVES: BUILDING TO 1 TO 2 FEET. * TIMING: DETERIORATING CONDITIONS OVER OPEN LAKE WATERS LATE THIS EVENING...WITH IMPROVING CONDITIONS TOWARD DAYBREAK MONDAY. * IMPACTS: THE COMBINATION OF INCREASING WINDS AND WAVES WILL MAKE CONDITIONS DIFFICULT FOR SMALL CRAFT ON THE LAKE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MARINERS SHOULD USE EXTRA CAUTION ON LAKE MOULTRIE THROUGH MONDAY MORNING...ESPECIALLY ON THE OPEN LAKE WATERS. STRONG WINDS MAY LEAD TO LARGE WAVES WHICH CAN CAPSIZE BOATS. && $$
563 WWUS72 KCHS 012334 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 634 PM EST SUN JAN 1 2012 SCZ045-020745- /O.EXT.KCHS.LW.Y.0001.120101T2334Z-120102T1100Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 634 PM EST SUN JAN 1 2012 ...LAKE WIND ADVISORY NOW IN EFFECT UNTIL 6 AM EST MONDAY FOR LAKE MOULTRIE... * HAZARDS: STRONG WINDS AND CHOPPY WAVES. * WINDS: BECOMING WEST AND NORTHWEST AT 15 TO 20 KNOTS WITH GUSTS TO 25 KNOTS LATE THIS EVENING AND OVERNIGHT. * WAVES: BUILDING TO 1 TO 2 FEET. * TIMING: DETERIORATING CONDITIONS OVER OPEN LAKE WATERS LATE THIS EVENING...WITH IMPROVING CONDITIONS TOWARD DAYBREAK MONDAY. * IMPACTS: THE COMBINATION OF INCREASING WINDS AND WAVES WILL MAKE CONDITIONS DIFFICULT FOR SMALL CRAFT ON THE LAKE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MARINERS SHOULD USE EXTRA CAUTION ON LAKE MOULTRIE THROUGH MONDAY MORNING...ESPECIALLY ON THE OPEN LAKE WATERS. STRONG WINDS MAY LEAD TO LARGE WAVES WHICH CAN CAPSIZE BOATS. && $$
267 WWUS72 KCHS 020308 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 1008 PM EST SUN JAN 1 2012 SCZ045-021100- /O.CON.KCHS.LW.Y.0001.000000T0000Z-120102T1100Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 1008 PM EST SUN JAN 1 2012 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST MONDAY FOR LAKE MOULTRIE... * HAZARDS: STRONG WINDS AND CHOPPY WAVES. * WINDS: BECOMING WEST AND NORTHWEST AT 15 TO 20 KNOTS WITH GUSTS TO 25 KNOTS OVERNIGHT. * WAVES: BUILDING TO 1 TO 2 FEET. * TIMING: DETERIORATING CONDITIONS OVER OPEN LAKE WATERS OVERNIGHT...WITH TEMPORARILY IMPROVING CONDITIONS MONDAY MORNING. * IMPACTS: THE COMBINATION OF INCREASING WINDS AND WAVES WILL MAKE CONDITIONS DIFFICULT FOR SMALL CRAFT ON THE LAKE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MARINERS SHOULD USE EXTRA CAUTION ON LAKE MOULTRIE THROUGH MONDAY MORNING...ESPECIALLY ON THE OPEN LAKE WATERS. STRONG WINDS MAY LEAD TO LARGE WAVES WHICH CAN CAPSIZE BOATS. && $$
251 WWUS72 KCHS 020906 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 406 AM EST MON JAN 2 2012 SCZ045-021715- /O.EXT.KCHS.LW.Y.0001.000000T0000Z-120103T2300Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 406 AM EST MON JAN 2 2012 ...LAKE WIND ADVISORY NOW IN EFFECT UNTIL 6 PM EST TUESDAY FOR LAKE MOULTRIE... * HAZARDS: STRONG WINDS AND CHOPPY WAVES. * WINDS: WEST AND NORTHWEST AT 15 TO 25 KNOTS TODAY...INCREASING TO 20 TO 30 KT TONIGHT WITH GUSTS UP TO 40 KT. * WAVES: 1 TO 2 FEET TODAY...BUILDING TO 2 TO 3 FT TONIGHT. * TIMING: GUSTY WINDS ARE LIKELY TODAY BUT THE STRONGEST WINDS WITH THE ONSET OF MUCH COLDER AIR OVER WARMER LAKE WATERS OCCURRING TONIGHT. * IMPACTS: THE COMBINATION OF INCREASING WINDS AND WAVES WILL MAKE CONDITIONS HAZARDOUS FOR SMALL CRAFT ON THE LAKE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MARINERS SHOULD USE EXTRA CAUTION ON LAKE MOULTRIE TODAY...ESPECIALLY ON THE OPEN LAKE WATERS. DANGEROUS CONDITIONS ARE EXPECTED TONIGHT WITH ROUGH WAVES AND WINDS POTENTIALLY OVER 40 MPH AT TIMES. STRONG WINDS MAY LEAD TO LARGE WAVES WHICH CAN CAPSIZE BOATS. && $$
403 WWUS72 KCHS 021655 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 1155 AM EST MON JAN 2 2012 SCZ045-030100- /O.CON.KCHS.LW.Y.0001.000000T0000Z-120103T2300Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 1155 AM EST MON JAN 2 2012 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST TUESDAY FOR LAKE MOULTRIE... * HAZARDS: STRONG WINDS AND CHOPPY WAVES. * WINDS: WEST AND NORTHWEST AT 15 KNOTS WITH GUSTS UP TO 25 KNOTS ALONG THE LAKESHORE THIS AFTERNOON...INCREASING TO 20 TO 30 KT TONIGHT WITH GUSTS UP TO 40 KT ON THE OPEN LAKE WATERS. * WAVES: 1 TO 2 FEET THIS AFTERNOON...BUILDING TO 2 TO 3 FT TONIGHT. * TIMING: GUSTY WINDS ARE LIKELY TODAY BUT THE STRONGEST WINDS WITH THE ONSET OF MUCH COLDER AIR OVER WARMER LAKE WATERS OCCURRING TONIGHT. * IMPACTS: THE COMBINATION OF INCREASING WINDS AND WAVES WILL MAKE CONDITIONS HAZARDOUS FOR SMALL CRAFT ON THE LAKE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MARINERS SHOULD USE EXTRA CAUTION ON LAKE MOULTRIE TODAY... ESPECIALLY ON THE OPEN LAKE WATERS. DANGEROUS CONDITIONS ARE EXPECTED TONIGHT WITH ROUGH WAVES AND WINDS POTENTIALLY OVER 40 MPH AT TIMES. STRONG WINDS MAY LEAD TO LARGE WAVES WHICH CAN CAPSIZE BOATS. && $$
545 WWUS72 KCHS 022053 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 353 PM EST MON JAN 2 2012 SCZ045-030500- /O.CON.KCHS.LW.Y.0001.000000T0000Z-120103T2300Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 353 PM EST MON JAN 2 2012 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST TUESDAY FOR LAKE MOULTRIE... * HAZARDS: STRONG WINDS AND CHOPPY WAVES. * WINDS: NORTHWEST 25 TO 30 KT WITH GUSTS UP TO 40 KT ON THE OPEN LAKE WATERS. * WAVES: BUILDING TO 2 TO 3 FT. * TIMING: THIS EVENING THROUGH TUESDAY MORNING. * IMPACTS: THE COMBINATION OF INCREASING WINDS AND WAVES WILL MAKE CONDITIONS HAZARDOUS FOR SMALL CRAFT ON THE LAKE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MARINERS SHOULD USE EXTRA CAUTION ON LAKE MOULTRIE TODAY... ESPECIALLY ON THE OPEN LAKE WATERS. DANGEROUS CONDITIONS ARE EXPECTED TONIGHT WITH ROUGH WAVES AND WINDS POTENTIALLY OVER 40 MPH AT TIMES. STRONG WINDS MAY LEAD TO LARGE WAVES WHICH CAN CAPSIZE BOATS. && $$
120 WWUS72 KCHS 022301 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 601 PM EST MON JAN 2 2012 SCZ045-030715- /O.CON.KCHS.LW.Y.0001.000000T0000Z-120103T2300Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 601 PM EST MON JAN 2 2012 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST TUESDAY FOR LAKE MOULTRIE... * HAZARDS: STRONG WINDS AND CHOPPY WAVES. * WINDS: NORTHWEST 25 TO 30 KT WITH GUSTS UP TO 40 KT ON THE OPEN LAKE WATERS. * WAVES: BUILDING TO 2 TO 3 FT...PERHAPS EVEN 4 FT IN EXPOSED AREAS ON THE SOUTHEAST PORTION OF THE LAKE. * TIMING: TONIGHT THROUGH TUESDAY EVENING. * IMPACTS: THE COMBINATION OF INCREASING WINDS AND WAVES WILL MAKE CONDITIONS HAZARDOUS FOR SMALL CRAFT ON THE LAKE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MARINERS SHOULD USE EXTRA CAUTION ON LAKE MOULTRIE TONIGHT AND TUESDAY...ESPECIALLY ON THE OPEN LAKE WATERS. DANGEROUS CONDITIONS ARE EXPECTED TONIGHT WITH ROUGH WAVES AND WINDS POTENTIALLY OVER 40 MPH AT TIMES. STRONG WINDS MAY LEAD TO LARGE WAVES WHICH CAN CAPSIZE BOATS. && $$
862 WWUS72 KCHS 022325 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 625 PM EST MON JAN 2 2012 SCZ045-030730- /O.CON.KCHS.LW.Y.0001.000000T0000Z-120103T2300Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 625 PM EST MON JAN 2 2012 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST TUESDAY FOR LAKE MOULTRIE... * HAZARDS: STRONG WINDS AND CHOPPY WAVES. * WINDS: BECOMING NORTHWEST AND INCREASING TO 25 TO 30 KT WITH GUSTS UP TO 40 KT ON THE OPEN LAKE WATERS. * WAVES: BUILDING TO 2 TO 3 FT...PERHAPS EVEN 4 FT IN EXPOSED AREAS ON THE SOUTHEAST PORTION OF THE LAKE. * TIMING: TONIGHT THROUGH TUESDAY EVENING...WITH HIGHEST WINDS AFTER MIDNIGHT INTO TUESDAY AFTERNOON. * IMPACTS: THE COMBINATION OF INCREASING WINDS AND WAVES WILL MAKE CONDITIONS HAZARDOUS FOR SMALL CRAFT ON THE LAKE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MARINERS SHOULD USE EXTRA CAUTION ON LAKE MOULTRIE TONIGHT AND TUESDAY...ESPECIALLY ON THE OPEN LAKE WATERS. DANGEROUS CONDITIONS ARE EXPECTED TONIGHT WITH ROUGH WAVES AND WINDS POTENTIALLY OVER 40 MPH AT TIMES. STRONG WINDS MAY LEAD TO LARGE WAVES WHICH CAN CAPSIZE BOATS. && $$
506 WWUS72 KCHS 030303 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 1003 PM EST MON JAN 2 2012 SCZ045-031115- /O.CON.KCHS.LW.Y.0001.000000T0000Z-120103T2300Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 1003 PM EST MON JAN 2 2012 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST TUESDAY FOR LAKE MOULTRIE... * HAZARDS: STRONG WINDS AND CHOPPY WAVES. * WINDS: BECOMING NORTHWEST AND INCREASING TO 25 TO 30 KT WITH GUSTS UP TO 40 KT ON THE OPEN LAKE WATERS. * WAVES: BUILDING TO 2 TO 3 FT...PERHAPS EVEN 4 FT IN EXPOSED AREAS ON THE SOUTHEAST PORTION OF THE LAKE. * TIMING: THROUGH TUESDAY EVENING...WITH HIGHEST WINDS AFTER MIDNIGHT INTO TUESDAY AFTERNOON. * IMPACTS: THE COMBINATION OF STRONG WINDS AND LARGE WAVES WILL MAKE CONDITIONS HAZARDOUS FOR SMALL CRAFT ON THE LAKE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MARINERS SHOULD USE EXTRA CAUTION ON LAKE MOULTRIE THROUGH LATE TUESDAY...ESPECIALLY ON THE OPEN LAKE WATERS. DANGEROUS CONDITIONS ARE EXPECTED WITH ROUGH WAVES AND WINDS POTENTIALLY GUSTING AS HIGH AS 40 KT AT TIMES. STRONG WINDS MAY LEAD TO LARGE WAVES WHICH CAN CAPSIZE BOATS. && $$
342 WWUS72 KCHS 030850 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 350 AM EST TUE JAN 3 2012 SCZ045-031700- /O.CON.KCHS.LW.Y.0001.000000T0000Z-120103T2300Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 350 AM EST TUE JAN 3 2012 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING FOR LAKE MOULTRIE... * HAZARDS: STRONG WINDS AND CHOPPY WAVES. * WINDS: NORTHWEST 25 TO 30 KT WITH GUSTS UP TO 40 KT. * WAVES: 2 TO 3 FT...PERHAPS EVEN 4 FT IN EXPOSED AREAS ON THE SOUTHEAST PORTION OF THE LAKE. * TIMING: THROUGH EARLY THIS EVENING...WITH HIGHEST WINDS AFTER THIS MORNING. * IMPACTS: THE COMBINATION OF STRONG WINDS AND LARGE WAVES WILL MAKE CONDITIONS HAZARDOUS FOR SMALL CRAFT ON THE LAKE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MARINERS SHOULD EXPECT DANGEROUS CONDITIONS WITH ROUGH WAVES AND WINDS GUSTING AS HIGH AS 40 KT AT TIMES THIS MORNING. STRONG WINDS MAY LEAD TO LARGE WAVES WHICH CAN CAPSIZE BOATS. && $$
124 WWUS72 KCHS 031551 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 1051 AM EST TUE JAN 3 2012 SCZ045-032300- /O.CON.KCHS.LW.Y.0001.000000T0000Z-120103T2300Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 1051 AM EST TUE JAN 3 2012 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING FOR LAKE MOULTRIE... * HAZARDS: STRONG WINDS AND CHOPPY WAVES. * WINDS: NORTHWEST 15 TO 20 KT WITH GUSTS UP TO 25 KT. * WAVES: 2 TO 3 FT...DIMINISHING TO 1 TO 2 FT LATE. * TIMING: THROUGH EARLY THIS AFTERNOON. * IMPACTS: THE COMBINATION OF STRONG WINDS AND LARGE WAVES WILL MAKE CONDITIONS HAZARDOUS FOR SMALL CRAFT ON THE LAKE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MARINERS SHOULD EXPECT DANGEROUS CONDITIONS WITH ROUGH WAVES AND WINDS GUSTING AS HIGH AS 40 KT AT TIMES THIS MORNING. STRONG WINDS MAY LEAD TO LARGE WAVES WHICH CAN CAPSIZE BOATS. && $$
427 WWUS72 KCHS 032023 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 323 PM EST TUE JAN 3 2012 SCZ045-040000- /O.EXT.KCHS.LW.Y.0001.000000T0000Z-120104T0000Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 323 PM EST TUE JAN 3 2012 ...LAKE WIND ADVISORY NOW IN EFFECT UNTIL 7 PM EST THIS EVENING FOR LAKE MOULTRIE... * HAZARDS: STRONG WINDS AND CHOPPY WAVES. * WINDS: NORTHWEST 15 TO 20 KT WITH GUSTS UP TO 25 KT. * WAVES: 2 TO 3 FT...DIMINISHING TO 1 TO 2 FT LATE. * TIMING: THROUGH EARLY THIS EVENING. * IMPACTS: THE COMBINATION OF STRONG WINDS AND LARGE WAVES WILL MAKE CONDITIONS HAZARDOUS FOR SMALL CRAFT ON THE LAKE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MARINERS SHOULD EXPECT DANGEROUS CONDITIONS WITH ROUGH WAVES AND WINDS GUSTING AS HIGH AS 25 KT THROUGH EARLY THIS EVENING. STRONG WINDS MAY LEAD TO LARGE WAVES WHICH CAN CAPSIZE BOATS. && $$
153 WWUS72 KCHS 032348 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 648 PM EST TUE JAN 3 2012 SCZ045-040100- /O.EXP.KCHS.LW.Y.0001.000000T0000Z-120104T0000Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 648 PM EST TUE JAN 3 2012 ...LAKE WIND ADVISORY WILL EXPIRE AT 7 PM EST THIS EVENING FOR LAKE MOULTRIE... $$
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 Charleston, SC wrote its last area forecast discussion before this lake wind advisory went out at Jan 1, 12:52 AM EST, 3 hours 24 minutes earlier.
Area forecast discussion, Jan 1, 12:52 AM EST, 3 hours 24 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CHARLESTON SC 1252 AM EST SUN JAN 1 2012 .SYNOPSIS... A POLAR COLD FRONT WILL PUSH THROUGH THE AREA BY LATE SUNDAY...FOLLOWED BY AN ARCTIC COLD FRONT MOVING ACROSS THE REGION LATE MONDAY. COLD ARCTIC HIGH PRESSURE WILL THEN BUILD INTO THE SOUTHEAST STATES THROUGH MID WEEK BEFORE SHIFTING OFF THE COAST BY LATE IN THE WEEK. && .NEAR TERM /UNTIL 6 AM THIS MORNING/... ON OUR 1 AM UPDATE...WE CONTINUE TO LOWER OVERNIGHT TEMPS. SOME AREAS LIKE N CHARLESTON ALREADY HAVE FALLEN BELOW EARLIER MIN PROGS. INCREASING WARM ADVECTION OVER THE SHALLOW SURFACE LAYER SHOULD BEGIN TO STABILIZE READINGS AFTER 3 AM. CLEAR SKIES AND LIGHT WINDS WILL DOMINATE TONIGHT WITH THE AREA POSITIONED ALONG THE NORTHERN FRINGES OF HIGH PRESSURE CENTERED OVER FLORIDA. A LIGHT MEAN SOUTHWEST FLOW WILL ALLOW LOW-LEVEL MOISTURE TO GRADUALLY RETURN. THERE ARE SOME SIGNALS IN THE HIGHER RESOLUTION DATA SETS THAT DENSE FOG WILL DEVELOP ACROSS MUCH OF NORTHERN FLORIDA AND FAR SOUTHERN GEORGIA LATER THIS EVENING...SOME OF WHICH COULD OOZE INTO THE FAR SOUTHERN COUNTIES PRIOR TO DAYBREAK. LAV GUIDANCE BULLETINS FOR FORT STEWART /KLHW/ AND VIDALIA /KVDI/ SHOWS ABOUT A 3-4 HOUR WINDOW OF VSBYS 1/4-1/2 MILE AND THE 31/18Z GFS STATISTICAL GUIDANCE PACKAGES FOR BOTH SITES SHOW CATEGORY 1 VSBYS AT 01/12Z. CERTAINLY LOOKS LIKE A BORDERLINE EVENT AT THIS POINT WITH THE MOST FAVORABLE FOG PARAMETERS DISPLACED TO THE SOUTH...BUT ITS CERTAINLY SOMETHING WE WILL BE CAREFULLY WATCHING OVERNIGHT. HAVE ADDED A MENTION OF PATCHY FOG ACROSS THE FAR SOUTHERN COUNTIES TO TREND. THE TEMPERATURE FORECAST IS SOMEWHAT PROBLEMATIC AS LOW- LEVEL MOISTURE WILL SLOWLY INCREASE UNDER IDEAL RADIATIONAL CONDITIONS. LATE EVENING TEMPERATURES WERE ALREADY APPROACHING FORECASTED MINS ACROSS FAR INTERIOR AREAS SO HAVE ADJUSTED TEMPERATURES DOWN A FEW DEGREES AND INTRODUCED SOME UPPER 30S ACROSS PORTIONS OF JENKINS...SCREVEN...ALLENDALE AND HAMPTON COUNTIES. HAVE ALSO NUDGE TEMPERATURES UP A DEGREE OR TWO ACROSS THE FAR SOUTH WHERE DEWPOINT DEPRESSIONS WERE ALREADY NEAR ZERO. && .SHORT TERM /6 AM THIS MORNING THROUGH TUESDAY/... SUNDAY...A NORTH-SOUTH ALIGNED SURFACE RISK ACROSS THE AREA IN THE MORNING WILL SHIFT EAST DURING THE AFTERNOON...AS A POLAR COLD FRONT AND ITS ASSOCIATED TROUGH ALOFT MOVES IN FROM THE WEST AND NW. PWATS DO REACH AS HIGH AS NEAR 0.8 INCHES IN THE AFTERNOON AS THE FRONT DRAWS CLOSER. THIS IS IN RESPONSE TO A SW FLOW IN THE BOUNDARY LAYER WHICH WILL PRODUCE AN INCREASE IN CUMULUS AND STRATOCUMULUS DURING THE DAY. WEAK LOW LEVEL THETA-E ADVECTION WILL OCCUR AHEAD OF THE FRONT...AND THAT MIGHT BE ENOUGH TO SPUR A COUPLE OF ISOLATED SHOWERS. BUT GIVEN THAT DEW POINT DEPRESSIONS WILL BE AT LEAST 15 DEGREES...WE PREFER TO MAINTAIN A RAIN FREE FORECAST. THE FIRST DAY OF 2012 WILL START THE NEW YEAR WITH TEMPS FAR ABOVE NORMAL...AS LOW LEVEL THICKNESS VALUES SUPPORT MAX TEMPS THAT WILL MAKE IT FEEL MORE SPRINGLIKE. ALTHOUGH THE CLOUDS MOVING IN FROM THE WEST WITH THE FRONT WILL RESTRICT INSOLATION SOMEWHAT...THIS IS OFFSET BY COMPRESSIONAL HEATING. THUS WE/LL CARRY MAX TEMPS IN THE LOWER AND MIDDLE 70S...WARMEST OVER THE FAR SE CORNER OF GA. THE COLD FRONT PUSHES INTO THE ATLANTIC SUNDAY NIGHT...AND COLD ADVECTION WILL DROP OVERNIGHT LOWS DOWN INTO THE MID AND UPPER 30S MOST COMMUNITIES AWAY FROM THE COAST. MONDAY...THE TROUGH ALOFT WILL BECOME MORE AMPLIFIED AS A 120-130 KT UPPER JET PUSHES SE INTO THE TROUGH OVER THE EASTERN STATES. THESE FEATURES WILL ALSO SEND AN ARCTIC COLD FRONT INTO THE AREA BY LATE IN THE DAY...THEN OFF THE COAST AT NIGHT. IT/S BACK TO REALITY ON MONDAY...AS COLD ADVECTION PERSISTS THROUGH THE DAY...DROPPING OUR 850 MB TEMPS DOWN TO NEAR -5C NORTH AND TO NEAR 0C SOUTH BY DAYS END. WE/RE A LITTLE UNCERTAIN ON HOW MAX TEMPS WILL PAN OUT GIVEN THIS COLD ADVECTION...AND THE FACT THAT LOW LEVEL THICKNESSES AND SOUNDING DATA SUPPORTS MAX TEMPS ONLY IN THE UPPER 40S AND LOWER 50S. BUT GIVEN PLENTY OF SUNSHINE...A DOWNSLOPE WESTERLY FLOW OFF THE APPALACHIANS AND THE FACT THAT THE AIR MASS WILL NOT BE TRAVELING ACROSS MUCH IF ANY SNOW COVER...WE CHOOSE TO KEEP TEMPS IN THE LOWER AND MIDDLE 50S. EVEN SO...THIS IS ACTUALLY BELOW NORMAL AND WILL BE THE COOLEST DAY WE HAVE EXPERIENCED IN AT LEAST 3 WEEK. MONDAY WILL BE A BREEZY DAY...AS WEST WINDS AVERAGE 15-25 MPH. THE BRUNT OF THE COLD AIR WILL POUR IN MONDAY NIGHT...AS THE BASE OF THE LOW AND MID LEVEL TROUGH AND THE ARCTIC FRONT SWINGS THROUGH. 850 MB TEMPS WILL PLUNGE TO AS LOW AS -12 OR -13C NORTH...AND DOWN TO -7 OR -8C SOUTH. THIS ALONG WITH THE LOW LEVEL THICKNESS VALUES OF 1260-1270 METERS INDICATES THAT TEMPS COME TUESDAY MORNING WILL BE HAVE PLUMMETED DOWN INTO THE MID AND UPPER 20S WEST OF US-17...WITH EVEN 30-33 AT AND ALONG THE COAST. COMBINED WITH STEADY ISALLOBARIC PRESSURE RISES KEEPING WINDS UP THROUGH THE NIGHT...WE/RE ANTICIPATING WIND CHILLS DOWN BETWEEN 14 AND 18 DEGREES IN MOST AREAS NEAR DAWN. NOT WIND CHILL ADVISORY CRITERIA...BUT PLENTY COLD. TUESDAY...THE TROUGH ALOFT LIFTS EAST INTO THE ATLANTIC...WITH THE FORECAST AREA WITHIN THE RESULTING COLD NW FLOW IN ITS WAKE. FULL SUNSHINE WILL DO LITTLE TO WARM US ANY MORE THAN THE LOWER AND MIDDLE 40S...ALTHOUGH LOW LEVEL THICKNESS VALUES SUGGESTS WE MIGHT EVEN STRUGGLE TO REACH 40 IN MANY LOCATIONS. THIS WILL BE RE-EVALUATED IN LATER FORECASTS TO SEE IF TEMPS NEED TO BE TRIMMED MORE. BREEZY CONDITIONS IN THE MORNING WILL SUPPORT WIND CHILLS DOWN IN THE TEENS AND 20S THROUGH 11 AM OR 12 PM. LAKE WIND ADVISORY CONDITIONS APPEAR A CERTAINTY FOR LATE MONDAY OR MONDAY NIGHT INTO TUESDAY...WHEN THE BEST MIXING OF THE COLDER AIR OVER THE RELATIVELY WARMER LAKE WATERS WILL OCCUR. && .LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/... THE COLDEST AIR OF THE SEASON IS EXPECTED TUESDAY NIGHT. LATEST MODEL RUNS SUPPORT THE SURFACE RIDGE EXTENDING ACROSS THE AREA BY WEDNESDAY MORNING. THIS WILL ALMOST CERTAINLY RESULT IN DECOUPLING OF THE SURFACE WINDS AND WITH CLEAR SKIES AND DEWPOINTS IN THE TEENS WILL RESULT IN NEARLY OPTIMAL RADIATION COOLING CONDITIONS. AS A RESULT...HAVE INDICATED UPPER TEENS TO LOWER 20S ACROSS MOST AREAS AWAY FROM THE THE COAST. THE ONLY HOPE TO KEEP TEMPERATURES UP A LITTLE IS SOME HIGH LEVEL CLOUDINESS SPREADS ACROSS THE AREA. A GRADUAL WARM UP COMMENCES ON WEDNESDAY AND CONTINUES THROUGH THE END OF THE WEEK. AT THE PRESENT TIME IT LOOKS DRY AS THE NEXT SYSTEM TO IMPACT THE AREA WILL NOT ARRIVE UNTIL BEYOND THIS FORECAST PERIOD. && .AVIATION /06Z SUNDAY THROUGH THURSDAY/... VFR CONDITIONS WILL DOMINATE AT KCHS/KSAV THROUGH 06Z/02. COULD SEE A BRIEF STINT OF LIGHT GROUND FOG AT BOTH TERMINALS JUST BEFORE SUNRISE. WE INTRODUCED SOME SURFACE WIND GUSTS FROM THE SW THIS AFTERNOON...OCCASIONALLY 20 KT AT KCHS AND 15-18 KT AT KSAV. EXTENDED AVIATION OUTLOOK...GUSTY SURFACE WINDS FROM THE WEST AND NORTHWEST ARE EXPECTED MONDAY AND TUESDAY. LOW-LEVEL WIND SHEAR MAY ALSO BE A CONCERN MONDAY NIGHT. && .MARINE... LIGHT WINDS WILL DOMINATE THE MARINE AREA THROUGH SUNRISE. WINDS WILL GENERALLY BE 5-10 KT WITH SEAS 1-2 FT. HIGH PRESSURE ACROSS THE MARINE AREA EARLY SUNDAY WILL GIVE WAY TO A COLD FRONT LATE IN THE DAY AND IN THE EVENING. CONDITIONS WILL BE FAIRLY BENIGN THE FIRST HALF OF THE DAY...BEFORE SW WINDS AND ITS RESULTING SEAS BEGIN TO CLIMB LATER IN THE DAY AS THE FRONT DRAW CLOSER. WE/LL SEE WINDS AS HIGH AS 15 OR 20 KT BY LATE IN THE DAY...WITH SEAS TO BUILD AS HIGH AS 3 OR 4 FT. IN WAKE OF THE FIRST COLD FRONT SUNDAY NIGHT WINDS VEER AROUND TO THE WEST AND NW. THE RESULTING COLD ADVECTION WILL PRODUCE WINDS INCREASING TO NEAR 20 OR 25 KT...WHICH IN TURN CAUSE SEAS TO BUILD ABOUT ANOTHER FOOT OR TWO. WE/LL BE VERY CLOSE TO NEEDING AN SCA ACROSS AMZ350-374...BUT GIVEN THAT IT/S MARGINAL AND A THIRD PERIOD FORECAST WILL HOLD OFF ON ANY ADVISORY FLAGS AT THIS TIME. WINDS AND SEAS WILL BE IN A FAIRLY STEADY STATE MONDAY...WAITING FOR THE ARCTIC FRONT AND THE STRONGEST COLD ADVECTION TO ARRIVE LATE IN THE DAY OR EARLY AT NIGHT. PRESSURE RISES AVERAGE AROUND 1-2 MB EVERY 3 HOURS...WITH A TIGHT PRESSURE GRADIENT TO PREVAIL. THAT ALONG WITH GEOSTROPHIC WINDS OF 35-45 KT...AND THE COLD AIR SURGING IN ACROSS THE WARMER ATLANTIC...WE ANTICIPATE THAT GALES WATCHES AND WARNINGS WILL BE NEEDED ACROSS MOST IF NOT ALL COASTAL WATERS FOR THE EVENT. SEAS WILL BE SOMEWHAT LIMITED NEAR THE COAST DUE TO THE OFFSET FETCH...BUT WILL STILL REACH AROUND 5 OR 6 FT NEAR 20 NM OUT...AND UP TO 9 OR 10 FT NEAR THE 60 NM FORECAST LIMIT OFF THE GA COAST. WINDS AND SEAS WILL REMAIN ELEVATED TUESDAY MORNING...WITH A SLOW DIMINISHING TREND THEREAFTER AS HIGH PRESSURE PUSHES IN FROM THE WEST. LINGERING GALES AND/OR SCA/S WILL LIKELY BE DOWNGRADED FOR THE AFTERNOON AND AT NIGHT. MARINERS ARE ADVISED THAT WITH TEMPS DOWN IN THE MID 30S TO LOWER 40S LATE MONDAY NIGHT AND TUESDAY MORNING...WHEN COMBINED WITH THE STRONG WINDS...THAT WIND CHILLS WILL BE MAINLY IN THE 20S DURING THIS TIME. GRADUALLY IMPROVING CONDITIONS ARE THEN EXPECTED THROUGH WEDNESDAY NIGHT. && .CHS WATCHES/WARNINGS/ADVISORIES... GA...NONE. SC...NONE. MARINE...NONE. &&
Hazardous weather outlook, Dec 31, 5:56 PM EST, 10 hours 20 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHARLESTON SC 556 PM EST SAT DEC 31 2011 GAZ087-088-099>101-114>119-137>141-SCZ040-042>044-047>052-012300- JENKINS-SCREVEN-CANDLER-BULLOCH-EFFINGHAM-TATTNALL-EVANS- INLAND BRYAN-COASTAL BRYAN-INLAND CHATHAM-COASTAL CHATHAM-LONG- INLAND LIBERTY-COASTAL LIBERTY-INLAND MCINTOSH-COASTAL MCINTOSH- ALLENDALE-HAMPTON-INLAND COLLETON-DORCHESTER-INLAND JASPER-BEAUFORT- COASTAL COLLETON-CHARLESTON-COASTAL JASPER-TIDAL BERKELEY- 556 PM EST SAT DEC 31 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. SCZ045-012300- INLAND BERKELEY- 556 PM EST SAT DEC 31 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH CAROLINA. .DAY ONE...TONIGHT. HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. LAKE WIND ADVISORY CONDITIONS WITH WINDS IN EXCESS OF 20 KNOTS ARE EXPECTED MONDAY NIGHT AND INTO TUESDAY. A LAKE WIND ADVISORY WILL LIKELY BE NEEDED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. AMZ330-350-352-354-012300- CHARLESTON HARBOR- WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM- WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM- WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY- 556 PM EST SAT DEC 31 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...TONIGHT. HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. GALE FORCE WINDS ARE LIKELY MONDAY NIGHT AND INTO TUESDAY. GALE WATCHES AND WARNINGS MAY EVENTUALLY BE NEEDED AS THE EVENT DRAWS CLOSER. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. AMZ374-012300- WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 556 PM EST SAT DEC 31 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...TONIGHT. HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. GALE FORCE WINDS ARE EXPECTED MONDAY NIGHT AND INTO TUESDAY. GALE WATCHES AND WARNINGS WILL EVENTUALLY BE NEEDED AS THE EVENT DRAWS CLOSER. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
Nearby
Lake Wind Advisories in South Carolina, 2012Every lake wind advisory in 2012
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.