Alert archive / Georgia / Small Craft Advisories in 2011
Small Craft Advisory 16, NWS Charleston, SC
NWS Charleston, SC issued this small craft advisory at Feb 20, 2011, 7:18 PM EST. It took effect at Feb 21, 2011, 4:08 AM EST. It was in force for 30 hr.
The area
The counties it named.
The facts
- Issued
- Feb 20, 2011, 7:18 PM EST (00:18 UTC)
- In effect from
- Feb 21, 2011, 4:08 AM EST
- Expired
- Feb 22, 2011, 10:29 AM EST
- In force
- 30 hr
- Issued by
- NWS Charleston, SC
The text
As transmitted, in the capitals the NWS used until 2016.
342 WHUS72 KCHS 210018 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 718 PM EST SUN FEB 20 2011 AMZ330-350-210400- /O.NEW.KCHS.SC.Y.0016.110221T1600Z-110222T1600Z/ CHARLESTON HARBOR- WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM- 718 PM EST SUN FEB 20 2011 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM MONDAY TO 11 AM EST TUESDAY... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 11 AM MONDAY TO 11 AM EST TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ374-210400- /O.NEW.KCHS.SC.Y.0016.110221T1600Z-110222T2200Z/ WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 718 PM EST SUN FEB 20 2011 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM MONDAY TO 5 PM EST TUESDAY... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 11 AM MONDAY TO 5 PM EST TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ352-210400- /O.NEW.KCHS.SC.Y.0016.110221T2200Z-110222T1600Z/ WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM- 718 PM EST SUN FEB 20 2011 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM MONDAY TO 11 AM EST TUESDAY... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 5 PM MONDAY TO 11 AM EST TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ 33
8 follow-up statements
550 WHUS72 KCHS 210209 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 909 PM EST SUN FEB 20 2011 AMZ330-350-211000- /O.CON.KCHS.SC.Y.0016.110221T1600Z-110222T1600Z/ CHARLESTON HARBOR- WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM- 909 PM EST SUN FEB 20 2011 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM MONDAY TO 11 AM EST TUESDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM MONDAY TO 11 AM EST TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ374-211000- /O.CON.KCHS.SC.Y.0016.110221T1600Z-110222T2200Z/ WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 909 PM EST SUN FEB 20 2011 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM MONDAY TO 5 PM EST TUESDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM MONDAY TO 5 PM EST TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ352-211000- /O.CON.KCHS.SC.Y.0016.110221T2200Z-110222T1600Z/ WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM- 909 PM EST SUN FEB 20 2011 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM MONDAY TO 11 AM EST TUESDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM MONDAY TO 11 AM EST TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ 33
396 WHUS72 KCHS 210908 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 408 AM EST MON FEB 21 2011 AMZ350-211715- /O.EXT.KCHS.SC.Y.0016.110221T0908Z-110222T1600Z/ WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM- 408 AM EST MON FEB 21 2011 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 AM EST TUESDAY... THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 11 AM EST TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ374-211715- /O.EXT.KCHS.SC.Y.0016.110221T0908Z-110222T1600Z/ WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 408 AM EST MON FEB 21 2011 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 AM EST TUESDAY... THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 11 AM EST TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ330-211715- /O.EXT.KCHS.SC.Y.0016.110221T0908Z-110222T0400Z/ CHARLESTON HARBOR- 408 AM EST MON FEB 21 2011 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 PM EST THIS EVENING... THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 11 PM EST THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ352-211715- /O.EXT.KCHS.SC.Y.0016.110221T2200Z-110222T1100Z/ WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM- 408 AM EST MON FEB 21 2011 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 5 PM THIS AFTERNOON TO 6 AM EST TUESDAY... THE SMALL CRAFT ADVISORY IS NOW IN EFFECT FROM 5 PM THIS AFTERNOON TO 6 AM EST TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$
315 WHUS72 KCHS 211529 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 1029 AM EST MON FEB 21 2011 AMZ352-212330- /O.EXT.KCHS.SC.Y.0016.110221T2300Z-110222T1100Z/ WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM- 1029 AM EST MON FEB 21 2011 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO 6 AM EST TUESDAY... THE SMALL CRAFT ADVISORY IS NOW IN EFFECT FROM 6 PM THIS EVENING TO 6 AM EST TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ350-212330- /O.CON.KCHS.SC.Y.0016.000000T0000Z-110222T1600Z/ WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM- 1029 AM EST MON FEB 21 2011 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST TUESDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ374-212330- /O.CON.KCHS.SC.Y.0016.000000T0000Z-110222T1600Z/ WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 1029 AM EST MON FEB 21 2011 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST TUESDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ330-212330- /O.CON.KCHS.SC.Y.0016.000000T0000Z-110222T0400Z/ CHARLESTON HARBOR- 1029 AM EST MON FEB 21 2011 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EST THIS EVENING... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EST THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$
120 WHUS72 KCHS 212043 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 343 PM EST MON FEB 21 2011 AMZ330-220445- /O.EXT.KCHS.SC.Y.0016.000000T0000Z-110222T1100Z/ CHARLESTON HARBOR- 343 PM EST MON FEB 21 2011 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM EST TUESDAY... THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 6 AM EST TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ352-220445- /O.EXT.KCHS.SC.Y.0016.110222T0500Z-110222T1100Z/ WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM- 343 PM EST MON FEB 21 2011 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM EST TUESDAY... THE SMALL CRAFT ADVISORY IS NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM EST TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ350-220445- /O.CON.KCHS.SC.Y.0016.000000T0000Z-110222T1600Z/ WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM- 343 PM EST MON FEB 21 2011 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST TUESDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ374-220445- /O.CON.KCHS.SC.Y.0016.000000T0000Z-110222T1600Z/ WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 343 PM EST MON FEB 21 2011 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST TUESDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ 33
487 WHUS72 KCHS 220249 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 949 PM EST MON FEB 21 2011 AMZ352-221100- /O.EXT.KCHS.SC.Y.0016.110222T0300Z-110222T1100Z/ WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM- 949 PM EST MON FEB 21 2011 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM EST TUESDAY... THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 6 AM EST TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ350-221100- /O.CON.KCHS.SC.Y.0016.000000T0000Z-110222T1600Z/ WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM- 949 PM EST MON FEB 21 2011 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST TUESDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ374-221100- /O.CON.KCHS.SC.Y.0016.000000T0000Z-110222T1600Z/ WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 949 PM EST MON FEB 21 2011 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST TUESDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ330-221100- /O.CON.KCHS.SC.Y.0016.000000T0000Z-110222T1100Z/ CHARLESTON HARBOR- 949 PM EST MON FEB 21 2011 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST TUESDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ 33
226 WHUS72 KCHS 220905 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 405 AM EST TUE FEB 22 2011 AMZ352-221015- /O.CAN.KCHS.SC.Y.0016.000000T0000Z-110222T1100Z/ WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM- 405 AM EST TUE FEB 22 2011 ...SMALL CRAFT ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS CANCELLED THE SMALL CRAFT ADVISORY. $$ AMZ350-221600- /O.CON.KCHS.SC.Y.0016.000000T0000Z-110222T1600Z/ WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM- 405 AM EST TUE FEB 22 2011 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ374-221600- /O.CON.KCHS.SC.Y.0016.000000T0000Z-110222T1600Z/ WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 405 AM EST TUE FEB 22 2011 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ330-221100- /O.CON.KCHS.SC.Y.0016.000000T0000Z-110222T1100Z/ CHARLESTON HARBOR- 405 AM EST TUE FEB 22 2011 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST EARLY THIS MORNING... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST EARLY THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$
664 WHUS72 KCHS 221015 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 515 AM EST TUE FEB 22 2011 AMZ330-221115- /O.CAN.KCHS.SC.Y.0016.000000T0000Z-110222T1100Z/ CHARLESTON HARBOR- 515 AM EST TUE FEB 22 2011 ...SMALL CRAFT ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS CANCELLED THE SMALL CRAFT ADVISORY. $$ AMZ350-221600- /O.CON.KCHS.SC.Y.0016.000000T0000Z-110222T1600Z/ WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM- 515 AM EST TUE FEB 22 2011 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ374-221600- /O.CON.KCHS.SC.Y.0016.000000T0000Z-110222T1600Z/ WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 515 AM EST TUE FEB 22 2011 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$
670 WHUS72 KCHS 221529 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 1029 AM EST TUE FEB 22 2011 AMZ350-374-221630- /O.CAN.KCHS.SC.Y.0016.000000T0000Z-110222T1600Z/ WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM- WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 1029 AM EST TUE FEB 22 2011 ...SMALL CRAFT ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS CANCELLED THE SMALL CRAFT ADVISORY. $$
What forecasters said that day
The local office's own words before this small craft 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 small craft advisory went out at Feb 20, 6:31 PM EST, 47 minutes earlier.
Area forecast discussion, Feb 20, 6:31 PM EST, 47 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON SC
631 PM EST SUN FEB 20 2011
.SYNOPSIS...
HIGH PRESSURE WILL EXTEND ACROSS THE AREA THROUGH MONDAY NIGHT
BEFORE A COLD FRONT SWEEPS THROUGH ON TUESDAY. HIGH PRESSURE WILL
REBUILD BEHIND THE FRONT AND REMAIN OVER THE SOUTHEAST STATES
THROUGH THURSDAY. THE NEXT COLD FRONT WILL MOVE THROUGH THE REGION LATE
IN THE WEEK...WITH HIGH PRESSURE TO FOLLOW FOR THE UPCOMING WEEKEND.
&&
.NEAR TERM /UNTIL 6 AM MONDAY MORNING/...
WATER VAPOR IMAGERY DEPICTS A MID AND UPPER LEVEL RIDGE IN PLACE OVER
THE GULF OF MEXICO. THE FLOW AROUND THE PERIPHERY OF THE RIDGE WILL
AID IN STEERING A STORM SYSTEM EAST ACROSS THE MID MISSISSIPPI
VALLEY INTO THE OHIO VALLEY...AND SURFACE HIGH PRESSURE OFF THE
NORTH CAROLINA COAST FARTHER SOUTHEAST INTO THE ATLANTIC TONIGHT.
AS THIS OCCURS...LOW LEVEL WIND FIELDS WILL STRENGTHEN SIGNIFICANTLY
ACROSS THE REGION AS THEY VEER SOUTHWEST BY DAYBREAK MONDAY.
SKIES WILL REMAIN CLEAR OR MOSTLY CLEAR THROUGH THIS EVENING...BUT
AS THE RETURN FLOW STRENGTHENS AND BRINGS INCREASING LOW LEVEL
MOISTURE INTO THE AREA...SKIES SHOULD BECOME PARTLY CLOUDY
OVERNIGHT. THERE IS A REMOTE POSSIBILITY OF SOME SEA FOG
DEVELOPING TONIGHT AS THE RETURN FLOW ADVECTS HIGHER DEW POINT AIR
OVER THE ADJACENT COOL SHELF WATERS...BUT THE STRONG LOW LEVEL
WIND FIELDS WILL BE A LARGE INHIBITING FACTOR. TO ACCOUNT FOR THE
POTENTIAL HOWEVER...WILL KEEP MENTION OF PATCHY FOG IN THE
FORECAST TONIGHT FOR COASTAL ZONES.
THE INCREASING LOW LEVEL WINDS AND CLOUD COVER TONIGHT WILL RESULT
IN POOR RADIATIONAL COOLING CONDITIONS. IN ADDITION...WITH AN
ONSHORE COMPONENT TO THE WINDS TEMPERATURES SHOULD NOT BE ABLE TO
FALL SIGNIFICANTLY TONIGHT. THE FORECAST WILL THEREFORE INDICATE
LOWS INLAND AROUND 50 OR IN THE LOWER 50S...WITH WARMER
TEMPERATURES CLOSER TO THE COAST.
&&
.SHORT TERM /6 AM MONDAY MORNING THROUGH WEDNESDAY/...
SURFACE HIGH PRESSURE OVER THE SOUTHWEST ATLANTIC WILL DROP
FARTHER SOUTHWARD ON MONDAY...AS WAVES OF LOW PRESSURE TRACK FROM
THE OHIO VALLEY TO OFF THE NORTHERN MID-ATLANTIC COAST AND A
TRAILING COLD FRONT STRETCHES FROM THE OHIO VALLEY SOUTHWEST INTO
THE SOUTHERN PLAINS. MEANWHILE...MID AND UPPER LEVEL RIDGING WILL
PREVAIL OVER THE SOUTHEAST STATES. A POTENT LOW LEVEL JET WILL BE
IN PLACE ON MONDAY...WITH WINDS ALOFT OF 40 TO 45 KT...GREATEST
OVER SOUTHEAST SOUTH CAROLINA.
THE RIDGING ALOFT...STRONG SOUTHWEST FLOW AND LIMITED CLOUD COVER
WILL ALLOW TEMPERATURES TO REACH HIGHS NEAR 80 DEGREES AWAY FROM
THE COAST MONDAY...WHICH IS SUPPORTED BY LOW LEVEL THICKNESS
VALUES. TEMPERATURES THIS WARM WILL ALLOW FOR EFFICIENT MIXING UP
TO ABOUT 850 MB...THUS TRANSLATING MUCH OF THE STRONGER WINDS
ALOFT TO THE SURFACE IN THE FORM OF GUSTY WINDS. THE FORECAST
WILL GENERALLY SHOW WINDS OF 15 TO 25 MPH...GUSTING TO 35 TO 40
MPH AT TIMES...HIGHEST ACROSS SOUTHEAST SOUTH CAROLINA AND NEAR
THE COAST.
IT IS VERY POSSIBLE THAT A WIND ADVISORY MAY BE NEEDED FOR AT
LEAST A PORTION OF THE AREA MONDAY...BUT AFTER COORDINATION WITH
SURROUNDING OFFICES HAVE DECIDED TO HOLD OFF ON THE ADVISORY AT
THIS TIME. AREA BRIDGES WILL EXPERIENCE EVEN STRONGER WINDS...AND
A SPECIAL WEATHER STATEMENT WILL BE ISSUED TO ADDRESS THIS. A
LAKE WIND ADVISORY HAS BEEN ISSUED HOWEVER FOR LAKE MOULTRIE AS THE
GUSTY WINDS WILL AFFECT THE LAKE SHORE FROM MID MORNING THROUGH
THE AFTERNOON.
MONDAY NIGHT...AN ELONGATED AREA OF HIGH PRESSURE CENTERED WELL EAST
OF THE NW BAHAMAS WILL EXTEND WEST ACROSS FLORIDA...WHILE AN AREA OF
LOW PRESSURE IN THE OHIO VALLEY MOVES EASTWARD TO THE MID ATLANTIC
REGION LATE. A TRAILING COLD FRONT FROM THE LOW WILL MOVE TOWARD THE
CENTRAL AND SOUTHERN APPALACHIANS OVERNIGHT...BUT THE BEST FORCING
AND ITS ASSOCIATED DEEP MOISTURE REMAINS OFF TO THE NW OF THE CWFA
THROUGH THE NIGHT. THAT ALONG WITH FLAT RIDGING ALOFT AND THE
RESULTING SUBSIDENCE WILL KEEP DRY CONDITIONS ACROSS THE AREA.
HOWEVER...AN ADVECTION OF LOW STRATUS FROM THE GULF OF MEXICO WILL
ALLOW FOR INCREASING CLOUDINESS THROUGH THE NIGHT...AND THAT ALONG
WITH A WARM WEST AND SW SYNOPTIC FLOW WITH WINDS AS HIGH AS 10-15
MPH WILL PREVENT TEMPS FROM DROPPING ANY LOWER THAN THE MID AND
UPPER 50S. THESE TEMPS ARE ACTUALLY CLOSER TO NORMAL HIGH
TEMPS...RATHER THAN NORMAL LOWS THAT ARE CLOSER TO 40. AND THEY ARE
ALSO CLOSE TO THE RECORD HIGH MINS AT KCHS WHICH IS 60 SET IN
1990...AND AT KCHL WHICH IS 61 SET IN 1990.
TUESDAY...THE COLD FRONT UPSTREAM MOVES STEADILY SE INTO AND ACROSS
THE AREA...PASSING THROUGH ALL BUT SE SECTIONS BY DAYS END.
ALTHOUGH WE CANNOT ENTIRELY RULE OUT A FEW SHOWERS...GIVEN LITTLE OR
NO LOW LEVEL CONVERGENCE...ZONAL FLOW ALOFT AND NO UPPER DYNAMICS WE
HAVE CAPPED POPS AT 14 PERCENT. THUS NOT MENTION OF SHOWERS IN THE
PUBLIC FORECAST OR THE GRIDS. LOW STRATUS IN THE MORNING WILL LIFT
INTO A CUMULUS LAYER FOR THE AFTERNOON...WITH CLEARING IN WAKE OF
THE FRONT LATE IN THE DAY. OVERALL SKIES WILL TURN OUT PARTLY TO
MOSTLY SUNNY. WITH AMPLE INSOLATION AND A WESTERLY DOWNSLOPE FLOW
OFF THE APPALACHIANS WILL WE WARM WELL ABOVE SEASONAL NORMS. WE HAVE
LEANED TO THE LOW LEVEL THICKNESS FORECAST WHICH SUPPORTS LOWER 70S
FAR NORTH TO THE MID AND UPPER 70S ELSEWHERE. ALTHOUGH WINDS WILL BE
NOWHERE NEAR AS STRONG AS ON MONDAY...DEEP MIXING WILL TAP INTO THE
20-30 KT WINDS WITHIN THE LOW LEVEL AND PRODUCE WINDS UP TO 15-20
MPH AND GUSTY.
TUESDAY NIGHT...COLDER HIGH PRESSURE WILL THEN BUILD SOUTHWARD OUT
OF SE CANADA IN WAKE OF THE FRONT...WITH AMPLE COLD ADVECTION TO
DROP TEMPS DOWN INTO THE LOWER AND MIDDLE 40S MOST LOCALES. SOME
UPPER 30S ARE POSSIBLE THOUGH ALONG THE NW TIER IF WINDS DROP OFF
ENOUGH THROUGH THE NIGHT. SKIES WILL GENERALLY REMAIN CLEAR...EXCEPT
FOR SOME STRATOCUMULUS CLOUDS OVER NE SECTIONS LATE AS A MODEST
NORTH TO NE SURGE IN WINDS DEVELOPS LATE.
WEDNESDAY...SURFACE HIGH PRESSURE WILL CONTINUE TO BUILD FROM THE
NORTH AS A DRY WEST AND NW FLOW ALOFT PREVAILS OVER THE AREA. WEAK
COOL ADVECTION WILL PERSIST THROUGH THE DAY AS THE SYNOPTIC FLOW
VEERS AROUND TO THE NORTH AND NE. ALTHOUGH INSOLATION WILL BE
MAXIMIZED WITH PLENTY OF BRIGHT SUNSHINE...GIVEN THE COOLER START
AND COOLER FLOW...OUR MAX TEMPS WILL BE NOTICEABLY LOWER THAN ON
TUESDAY. LOOK FOR LOWER 60S OVER NORTHERN SECTIONS AND ALONG THE SC
COAST...BUT MID AND UPPER 60S WILL BE COMMON ELSEWHERE.
LAKE WINDS...WE WILL CONTINUE THE LAKE WIND ADVISORY ON LAKE
MOULTRIE THROUGH EARLY MONDAY NIGHT...BUT CONDITIONS ARE SUCH THAT
WE MAY NEED TO EXTEND IT INTO TUESDAY IN ADVANCE OF THE NEXT COLD
FRONT.
&&
.LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/...
MEDIUM RANGE GUIDANCE IS IN FAIRLY GOOD AGREEMENT WITH THE OVERALL
SYNOPTIC PATTERN EVOLUTION THROUGH THE LONG TERM PERIODS. HIGH
PRESSURE WILL BUILD FROM THE MID-ATLANTIC COAST WEDNESDAY EVENING
INTO THE WESTERN ATLANTIC BY DAYBREAK THURSDAY. ATLANTIC HIGH
PRESSURE WILL THEN HOLD IN PLACE OVER THE SOUTHEAST STATES ON
THURSDAY BEFORE RETREATING FURTHER INTO THE ATLANTIC AS A COLD FRONT
APPROACHES FROM THE WEST THURSDAY NIGHT. THE COLD FRONT IS EXPECTED
TO PUSH THROUGH THE FORECAST AREA ON FRIDAY...WITH HIGH PRESSURE
THEN BUILDING BACK INTO THE REGION FRIDAY NIGHT AND REMAINING THE
DOMINANT WEATHER FEATURE THROUGH THE UPCOMING WEEKEND.
AS FOR SENSIBLE WEATHER DETAILS...WILL KEEP THE FORECAST RAIN FREE
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT WITH HIGH PRESSURE IN PLACE.
CAN/T RULE OUT AN ISOLATED SHOWER OR TWO GRAZING COASTAL ZONES LATE
WEDNESDAY NIGHT AND THURSDAY MORNING...BUT PROBABILITIES FOR
MEASURABLE PRECIPITATION REMAIN TOO LOW TO MENTION IN THE FORECAST
AT THIS TIME.
WITH GOOD MODEL CONSENSUS SHOWING A COLD FRONT MOVING THROUGH THE
AREA ON FRIDAY...WILL CARRY CHANCE POPS ALL LOCALES. WILL THEN KEEP
RAIN FREE CONDITIONS IN PLACE FRIDAY NIGHT THROUGH SUNDAY AS HIGH
PRESSURE BUILDS BACK INTO THE REGION.
TEMPERATURES ARE EXPECTED TO RANGE FROM SLIGHTLY ABOVE NORMAL TO
WELL ABOVE NORMAL LEVELS THROUGH THE LONG TERM PERIODS.
&&
.AVIATION /00Z MONDAY THROUGH FRIDAY/...
WHILE MUCH OF THE PERIOD VALID THROUGH 00Z TUESDAY WILL REMAIN
VFR...THERE IS A RISK OF A SMALL WINDOW OF MVFR OR LOWER
CONDITIONS LATE TONIGHT INTO EARLY MONDAY AS STRATUS IMPACTS THE
TERMINALS. THESE PROBABILITIES WILL INCREASE IF SEA FOG IS ABLE TO
FORM AND ADVECT ONSHORE. BUT GIVEN THE STRENGTH OF AN INCREASING
LOW LEVEL JET OVERNIGHT...ODDS ARE MUCH MORE IN FAVOR OR STRATUS
RATHER THAN THE SEA FOG.
WIND SHEAR WILL AFFECT BOTH TERMINALS OVERNIGHT INTO MONDAY
MORNING AS A 30-35 KT LOW LEVEL JET MOVES THROUGH THE AREA. WITH
SURFACE WINDS TO REMAIN AT LESS THAN 10 KT TONIGHT WE HAVE
INCLUDED WIND SHEAR FROM 06Z UNTIL 14-15Z. THEREAFTER...WITH
EXCELLENT DAYTIME HEATING THOSE STRONGER WINDS ALOFT WILL MIX DOWN
TO THE SURFACE...RESULTING IN SURFACE WINDS INCREASING TO AROUND
15-20 KT DURING THE LATE MORNING...AND UP TO 20-25 KT OR MORE DURING
THE AFTERNOON. WINDS WILL THEN BEGIN TO DIMINISH BY SUNSET.
EXTENDED AVIATION OUTLOOK...WIND SHEAR AND/OR GUSTY SURFACE WINDS
ARE EXPECTED MON NIGHT AND TUESDAY IN ADVANCE OF AN APPROACHING
COLD FRONT. COULD SEE SOME MVFR OR LOWER CONDITIONS LATE MON
NIGHT/EARLY TUE...OTHERWISE VFR CONDITIONS WILL PREVAIL THROUGH
THU. CHANCE OF MVFR CONDITIONS LATE THU NIGHT INTO FRI AHEAD OF
ANOTHER COLD FRONT.
&&
.MARINE...
SURFACE HIGH PRESSURE WILL SHIFT SOUTHEAST OFF THE NORTH CAROLINA
COAST TONIGHT. AS THIS OCCURS...LOW LEVEL WIND FIELDS WILL
INCREASE SIGNIFICANTLY WHILE WINDS VEER SOUTHERLY. WHILE WINDS AND SEAS
WILL INCREASE...THEY ARE EXPECTED TO REMAIN BELOW SMALL CRAFT
ADVISORY CRITERIA ACROSS ALL WATERS...REACHING AS HIGH AS 15-20 KT
AND 3 TO 5 FT RESPECTIVELY.
THERE IS A REMOTE POSSIBILITY OF SOME SEA FOG DEVELOPING TONIGHT
ACROSS PORTIONS OF THE NEAR SHORE WATERS AND CHARLESTON HARBOR AS
THE RETURN FLOW ADVECTS HIGHER DEW POINT AIR OVER THE COOL SHELF
WATERS. HOWEVER...THE STRONG LOW LEVEL WIND FIELDS WILL BE A
LARGE INHIBITING FACTOR. AS A RESULT...THE FORECAST WILL INDICATE
PATCHY DENSE FOG AT MOST.
A POTENT LOW LEVEL JET WILL ALLOW FOR STRONG SOUTHWEST WINDS TO
DEVELOP OVER THE PORTIONS OF THE COASTAL WATERS ON
MONDAY...ESPECIALLY OVER THE WARMER WATERS WHERE THE MOST
EFFICIENT MIXING WILL OCCUR. SMALL CRAFT ADVISORY CONDITIONS ARE
EXPECTED TO DEVELOP BY MID-MORNING MONDAY IN CHARLESTON
HARBOR...THE SOUTH CAROLINA NEAR SHORE WATERS NORTH OF EDISTO
BEACH AND THE OUTER GEORGIA WATERS.
A STRONG PRESSURE GRADIENT AND LOW LEVEL JET WILL PERSIST ACROSS
THE COASTAL WATERS MONDAY NIGHT INTO THE FIRST PART OF
TUESDAY...BETWEEN HIGH PRESSURE TO THE SOUTH AND SE OF THE AREA
AND IN ADVANCE OF A COLD FRONT. THE FRONT WILL CLEAR THE WATERS
LATE TUESDAY/EARLY TUESDAY NIGHT...THEN GIVES WAY TO STRONGER HIGH
PRESSURE FROM THE NORTH THROUGH EARLY THURSDAY. THE HIGH WILL
SHIFT EAST INTO THE ATLANTIC LATER THURSDAY/THURSDAY NIGHT...THEN
GIVE WAY TO AN APPROACHING COLD FRONT FRIDAY.
ALTHOUGH MIXING WILL BE LIMITED DUE TO WARM ADVECTION MONDAY NIGHT
AND TUESDAY...AT LEAST SOME OF THOSE 30-35 KT OF GEOSTROPHIC WINDS
WILL IMPACT THE WATERS DURING THIS TIME. SCA/S APPEAR LIKELY ACROSS
ALL MARINE ZONES...EXCEPT PERHAPS AMZ354 WHERE THE COOLEST WATERS
WILL RESTRICT THE MIXING EVEN MORE. THE FLOW LOOKS TO BE ENOUGH SW
IN ADVANCE OF THE COLD FRONT TO ALLOW FOR SEAS TO CLIMB TO AS HIGH
AS 5 TO 7 FT INTO THE FIRST PART OF TUESDAY.
CONDITIONS WILL IMPROVE LATER TUESDAY AND THE FIRST PART OF TUESDAY
NIGHT...ALTHOUGH THIS IS ONLY TEMPORARY. WINDS/SEAS WILL BE BELOW
ANY SCA CONDITIONS DURING THIS TIME...BUT A GOOD NORTH TO NE SURGE
WILL OCCUR LATE TUESDAY NIGHT INTO WEDNESDAY...AND SCA/S ARE AGAIN
POSSIBLE FOR AT LEAST PARTS OF THE MARINE COMMUNITY.
WITH HIGH PRESSURE OVER THE MARINE AREA WEDNESDAY NIGHT AND
THURSDAY...WINDS AND SEAS ARE EXPECTED TO REMAIN BELOW ADVISORY
THRESHOLDS. WITH THE NEXT COLD FRONT APPROACHING THE REGION
FRIDAY...INCREASING WINDS AND SEAS MAY RESULT IN A NEED FOR SMALL
CRAFT HEADLINES FOR PORTIONS OF THE MARINE AREA.
ALTHOUGH PROBABILITIES ARE LOW...STRATUS CLOUDINESS ADVECTING NE
FROM THE GULF OF MEXICO COULD IMPACT THE SE GA COASTAL WATERS LATE
MONDAY NIGHT INTO TUESDAY MORNING. WHILE NOT TECHNICALLY FOG...GIVEN
THE POSSIBILITY OF A LOW STRATUS CLOUD DECK THERE IS THE RISK OF
SOME REDUCTION IN VSBYS.
&&
.FIRE WEATHER...
A FIRE WEATHER WATCH HAS BEEN ISSUED FROM MID-MORNING MONDAY INTO
EARLY MONDAY EVENING FOR ALL OF SOUTHEAST SOUTH CAROLINA AND
SOUTHEAST GEORGIA. ALTHOUGH RELATIVE HUMIDITY VALUES WILL SEE SOME
RECOVERY TONIGHT INTO MONDAY...FEDERAL/STATE FORESTRY OFFICIALS ARE
CONCERNED THAT THE STRONG WINDS AND VERY DRY FUELS COULD LEAD TO
INCREASED FIRE DANGER AND THE POTENTIAL FOR WILDFIRE DEVELOPMENT ON
MONDAY. THE FIRE WEATHER WATCH WILL LIKELY BE UPGRADED TO A RED
FLAG WARNING LATER TONIGHT FOR MONDAY.
&&
.TIDES/COASTAL FLOODING...
LOW TIDE LEVELS ARE EXPECTED TO RUN BETWEEN -1.0 AND -2.0 FT MEAN
LOWER LOW WATER INTO MONDAY. THIS COULD LEAD TO HAZARDOUS NAVIGATION
DUE TO THE SHALLOWER DEPTH OF WATER.
&&
.CHS WATCHES/WARNINGS/ADVISORIES...
GA...FIRE WEATHER WATCH FROM MONDAY MORNING THROUGH MONDAY EVENING
FOR GAZ087-088-099>101-114>119-137>141.
SC...FIRE WEATHER WATCH FROM MONDAY MORNING THROUGH MONDAY EVENING
FOR SCZ040-042>045-047>051.
LAKE WIND ADVISORY FROM 9 AM MONDAY TO MIDNIGHT EST MONDAY
NIGHT FOR SCZ045.
MARINE...NONE.
&&
33Hazardous weather outlook, Feb 20, 4:37 PM EST, 2 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE CHARLESTON SC 437 PM EST SUN FEB 20 2011 GAZ117-119-139-141-SCZ048>051-211000- COASTAL BRYAN-COASTAL CHATHAM-COASTAL LIBERTY-COASTAL MCINTOSH- BEAUFORT-COASTAL COLLETON-CHARLESTON-COASTAL JASPER- 437 PM EST SUN FEB 20 2011 ...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA. .DAY ONE...TONIGHT. SEA FOG...ALTHOUGH THERE IS ONLY A LOW RISK OF SEA FOG TONIGHT...SHOULD THE SEA FOG FORM IT COULD IMPACT THE BEACHES WITH REDUCED VISIBILITIES. ANY FOG WILL DISSIPATE BY DAYBREAK MONDAY. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FIRE WEATHER WATCH. STRONG WINDS...WINDS ARE EXPECTED TO BECOME BREEZY TO WINDY ON MONDAY IN ADVANCE OF AN APPROACHING COLD FRONT. A WIND ADVISORY MAY EVENTUALLY BE NEEDED ACROSS PORTIONS OF SOUTHERN SOUTH CAROLINA AND SOUTHEAST GEORGIA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. SCZ045-211000- INLAND BERKELEY- 437 PM EST SUN FEB 20 2011 ...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... ...LAKE WIND ADVISORY IN EFFECT FROM 9 AM MONDAY TO MIDNIGHT EST MONDAY NIGHT FOR LAKE MOULTRIE... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH CAROLINA. .DAY ONE...TONIGHT. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FIRE WEATHER WATCH. LAKE WIND ADVISORY. STRONG WINDS...WINDS ARE EXPECTED TO BECOME BREEZY TO WINDY ON MONDAY IN ADVANCE OF AN APPROACHING COLD FRONT. A WIND ADVISORY MAY EVENTUALLY BE NEEDED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. AMZ330-350-352-354-374-211000- 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- WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 437 PM EST SUN FEB 20 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...TONIGHT. SEA FOG...ANY DENSE SEA FOG THAT MAY DEVELOP TONIGHT...SHOULD DISSIPATE BY DAYBREAK MONDAY. VISIBILITY IN ANY FOG THAT FORMS COULD BE DOWN NEAR 1/4 NAUTICAL MILE. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. GAZ087-088-099>101-114>116-118-137-138-140-SCZ040-042>044-047-211000- JENKINS-SCREVEN-CANDLER-BULLOCH-EFFINGHAM-TATTNALL-EVANS- INLAND BRYAN-INLAND CHATHAM-LONG-INLAND LIBERTY-INLAND MCINTOSH- ALLENDALE-HAMPTON-INLAND COLLETON-DORCHESTER-INLAND JASPER- 437 PM EST SUN FEB 20 2011 ...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA. .DAY ONE...TONIGHT. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FIRE WEATHER WATCH. STRONG WINDS...WINDS ARE EXPECTED TO BECOME BREEZY TO WINDY ON MONDAY IN ADVANCE OF AN APPROACHING COLD FRONT. A WIND ADVISORY MAY EVENTUALLY BE NEEDED ACROSS PORTIONS OF SOUTHERN SOUTH CAROLINA AND SOUTHEAST GEORGIA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. SCZ052-211000- TIDAL BERKELEY- 437 PM EST SUN FEB 20 2011 ...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH CAROLINA. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FIRE WEATHER WATCH. STRONG WINDS...WINDS ARE EXPECTED TO BECOME BREEZY TO WINDY ON MONDAY IN ADVANCE OF AN APPROACHING COLD FRONT. A WIND ADVISORY MAY EVENTUALLY BE NEEDED ACROSS PORTIONS OF SOUTHERN SOUTH CAROLINA AND SOUTHEAST GEORGIA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. 33/36
In the hours before
Special weather statement, Feb 20, 4:51 PM EST, 2 hours 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 451 PM EST SUN FEB 20 2011 GAZ087-088-099>101-114>119-137>141-SCZ040-042>045-047>052-210500- 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 BERKELEY- INLAND JASPER-BEAUFORT-COASTAL COLLETON-CHARLESTON-COASTAL JASPER- TIDAL BERKELEY- INCLUDING THE CITIES OF...MILLEN...SYLVANIA...METTER... STATESBORO...SPRINGFIELD...REIDSVILLE...CLAXTON...PEMBROKE... FORT MCALLISTER...SAVANNAH...TYBEE ISLAND...LUDOWICI... HINESVILLE...HALFMOON LANDING...TOWNSEND...DARIEN...ALLENDALE... HAMPTON...WALTERBORO...ST. GEORGE...SUMMERVILLE...MONCKS CORNER... RIDGELAND...BEAUFORT...HILTON HEAD...EDISTO BEACH...CHARLESTON... JASPER...DANIEL ISLAND...NAVAL WEAPONS STATION CHARLESTON 451 PM EST SUN FEB 20 2011 ...STRONG WINDS EXPECTED ACROSS SOUTHEAST SOUTH CAROLINA AND SOUTHEAST GEORGIA MONDAY - ESPECIALLY ON AREA BRIDGES... STRONG SOUTHWEST WINDS WILL DEVELOP ACROSS SOUTHEAST SOUTH CAROLINA AND SOUTHEAST GEORGIA MID-MORNING MONDAY AND CONTINUE THROUGH MONDAY AFTERNOON. THE STRONGEST WINDS ARE EXPECTED TO OCCUR ACROSS PORTIONS OF SOUTHEAST SOUTH CAROLINA AND ALONG COASTAL AREAS...WITH WINDS OF 15 TO 25 MPH...GUSTING TO 35 TO 40 MPH AT TIMES. ON ELEVATED SURFACES...SUCH AS BRIDGES AND TALL OVERPASSES...THE WINDS COULD BE EVEN STRONGER. SOME OF THE TALLER BRIDGES THAT COULD BE IMPACTED BY THESE STRONG WINDS INCLUDE...THE RAVENEL BRIDGE...THE DON HOLT BRIDGE...THE JAMES B. EDWARDS BRIDGE...THE BEN SAWYER BRIDGE...THE ISLE OF PALMS CONNECTOR...THE AMOS NATHANIEL RODGERS BRIDGE...THE WOODS MEMORIAL BRIDGE AND THE TALMADGE MEMORIAL BRIDGE. MOTORISTS ARE URGED TO USE CAUTION WHEN TRAVELING ACROSS AREA BRIDGES ON MONDAY...ESPECIALLY THOSE IN HIGH PROFILE VEHICLES. JAQ
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 4:43 AM EST | Red Flag Warning | CHS | Bulloch, Candler, Effingham, Evans, Jenkins, Long and 2 more | 14 hr |
| Feb 21, 4:01 AM EST | Wind Advisory | CHS | Berkeley, Dorchester | 12 hr |
| Feb 21, 3:53 PM EST | Lake Wind Advisory | CHS | Berkeley | 12 hr |
Nearby
Small Craft Advisories in Georgia, 2011Every small craft advisory in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.