Alert archive / Georgia / Small Craft Advisories in 2011

Small Craft Advisory 18, NWS Charleston, SC

February 24, 2011

NWS Charleston, SC issued this small craft advisory at Feb 24, 2011, 4:19 PM EST. It took effect at Feb 25, 2011, 3:40 AM EST. It was in force for 30 hr.

The area

The counties it named.

The facts

Issued
Feb 24, 2011, 4:19 PM EST (21:19 UTC)
In effect from
Feb 25, 2011, 3:40 AM EST
Expired
Feb 26, 2011, 10:00 AM EST
In force
30 hr
Issued by
NWS Charleston, SC

The text

As transmitted, in the capitals the NWS used until 2016.

401 
WHUS72 KCHS 242119
MWWCHS

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON SC
419 PM EST THU FEB 24 2011

AMZ374-250530-
/O.NEW.KCHS.SC.Y.0018.110225T0900Z-110225T2100Z/
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
419 PM EST THU FEB 24 2011

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 4 PM EST FRIDAY...

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A SMALL
CRAFT ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 4 PM EST FRIDAY.

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.

&&

$$

AMZ350-250530-
/O.NEW.KCHS.SC.Y.0018.110225T0900Z-110226T1200Z/
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
419 PM EST THU FEB 24 2011

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM FRIDAY TO 7 AM EST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A SMALL
CRAFT ADVISORY...WHICH IS IN EFFECT FROM 4 AM FRIDAY TO 7 AM EST
SATURDAY. 

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.

&&

$$

AMZ354-250530-
/O.NEW.KCHS.SC.Y.0018.110225T1200Z-110225T2100Z/
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT
20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
419 PM EST THU FEB 24 2011

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM TO 4 PM EST FRIDAY...

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A SMALL
CRAFT ADVISORY...WHICH IS IN EFFECT FROM 7 AM TO 4 PM EST FRIDAY.

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.

&&

$$

AMZ352-250530-
/O.NEW.KCHS.SC.Y.0018.110225T0900Z-110225T2100Z/
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
419 PM EST THU FEB 24 2011

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 4 PM EST FRIDAY...

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A SMALL
CRAFT ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 4 PM EST FRIDAY.

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.

&&

$$

AMZ330-250530-
/O.NEW.KCHS.SC.Y.0018.110225T0900Z-110225T2100Z/
CHARLESTON HARBOR-
419 PM EST THU FEB 24 2011

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 4 PM EST FRIDAY...

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A SMALL
CRAFT ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 4 PM EST FRIDAY.

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.

&&

$$
9 follow-up statements
097 
WHUS72 KCHS 250124
MWWCHS

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON SC
824 PM EST THU FEB 24 2011

AMZ374-251000-
/O.CON.KCHS.SC.Y.0018.110225T0900Z-110225T2100Z/
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
824 PM EST THU FEB 24 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM EST
FRIDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM EST
FRIDAY. 

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.

&&

$$

AMZ350-251000-
/O.CON.KCHS.SC.Y.0018.110225T0900Z-110226T1200Z/
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
824 PM EST THU FEB 24 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM FRIDAY TO
7 AM EST SATURDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM FRIDAY TO 7 AM
EST SATURDAY. 

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.

&&

$$

AMZ354-251000-
/O.CON.KCHS.SC.Y.0018.110225T1200Z-110225T2100Z/
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT
20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
824 PM EST THU FEB 24 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM TO 4 PM EST
FRIDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM TO 4 PM EST
FRIDAY. 

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.

&&

$$

AMZ352-251000-
/O.CON.KCHS.SC.Y.0018.110225T0900Z-110225T2100Z/
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
824 PM EST THU FEB 24 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM EST
FRIDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM EST
FRIDAY. 

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.

&&

$$

AMZ330-251000-
/O.CON.KCHS.SC.Y.0018.110225T0900Z-110225T2100Z/
CHARLESTON HARBOR-
824 PM EST THU FEB 24 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM EST
FRIDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM EST
FRIDAY. 

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.

&&

$$
630 
WHUS72 KCHS 250840
MWWCHS

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON SC
340 AM EST FRI FEB 25 2011

AMZ330-354-251645-
/O.EXT.KCHS.SC.Y.0018.110225T0840Z-110225T2100Z/
CHARLESTON HARBOR-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT
20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
340 AM EST FRI FEB 25 2011

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON. 

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.

&&

$$

AMZ350-352-374-251645-
/O.EXT.KCHS.SC.Y.0018.110225T0840Z-110226T1500Z/
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 EXTENDING FROM 20 TO
60 NM-
340 AM EST FRI FEB 25 2011

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EST SATURDAY...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 10 AM EST
SATURDAY. 

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.

&&

$$
024 
WHUS72 KCHS 251209
MWWCHS

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON SC
709 AM EST FRI FEB 25 2011

AMZ330-252015-
/O.UPG.KCHS.SC.Y.0018.000000T0000Z-110225T2100Z/
/O.NEW.KCHS.GL.W.0004.110225T1209Z-110225T2100Z/
CHARLESTON HARBOR-
709 AM EST FRI FEB 25 2011

...GALE WARNING IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON. THE
SMALL CRAFT ADVISORY IS NO LONGER IN EFFECT. 

* WINDS: SOUTH 25 KNOTS WITH FREQUENT GUSTS TO 35 KNOT GALES...
  BECOMING SOUTHWEST BY EARLY AFTERNOON.

* TIMING OF GALES: BETWEEN 9 AM AND 2 PM.

* WAVES: WAVES WILL BUILD AS HIGH AS 3 FEET.

* IMPACTS...HAZARDOUS CONDITIONS CAN BE EXPECTED IN THE CHARLESTON
  HARBOR. CONDITIONS WILL BE ESPECIALLY DANGEROUS FOR SMALL CRAFT
  SUCH AS SAIL BOATS...KIACKS...JET SKIS AND OTHER RECREATIONAL
  BOATS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS SUSTAINED WINDS OR FREQUENT GUSTS OF 34 TO
47 KNOTS ARE EXPECTED. OPERATING A VESSEL IN GALE CONDITIONS
REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

AMZ354-252015-
/O.CON.KCHS.SC.Y.0018.000000T0000Z-110225T2100Z/
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT
20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
709 AM EST FRI FEB 25 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON. 

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.

&&

$$

AMZ350-352-374-252015-
/O.CON.KCHS.SC.Y.0018.000000T0000Z-110226T1500Z/
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 EXTENDING FROM 20 TO
60 NM-
709 AM EST FRI FEB 25 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY. 

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.

&&

$$
435 
WHUS72 KCHS 251557
MWWCHS

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON SC
1057 AM EST FRI FEB 25 2011

AMZ330-252100-
/O.CON.KCHS.GL.W.0004.000000T0000Z-110225T2100Z/
CHARLESTON HARBOR-
1057 AM EST FRI FEB 25 2011

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...

A GALE WARNING REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON. 

* WINDS: SOUTHWEST 20 TO 25 KNOTS WITH GUSTS TO 35 KNOTS.

* TIMING OF GALES: BETWEEN 1 AND 4 PM.

* WAVES: WAVES WILL BUILD AS HIGH AS 3 FEET.

* IMPACTS...HAZARDOUS CONDITIONS CAN BE EXPECTED IN THE 
  CHARLESTON HARBOR. CONDITIONS WILL BE ESPECIALLY DANGEROUS FOR 
  SMALL CRAFT SUCH AS SAIL BOATS...KIACKS...JET SKIS AND OTHER 
  RECREATIONAL BOATS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS SUSTAINED WINDS OR FREQUENT GUSTS OF 34 TO
47 KNOTS ARE EXPECTED. OPERATING A VESSEL IN GALE CONDITIONS
REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

AMZ354-252100-
/O.CON.KCHS.SC.Y.0018.000000T0000Z-110225T2100Z/
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT
20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
1057 AM EST FRI FEB 25 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON. 

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.

&&

$$

AMZ350-352-374-260000-
/O.CON.KCHS.SC.Y.0018.000000T0000Z-110226T1500Z/
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 EXTENDING FROM 20 TO
60 NM-
1057 AM EST FRI FEB 25 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY. 

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.

&&

$$
406 
WHUS72 KCHS 251813
MWWCHS

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON SC
113 PM EST FRI FEB 25 2011

AMZ330-252100-
/O.CAN.KCHS.GL.W.0004.000000T0000Z-110225T2100Z/
/O.EXA.KCHS.SC.Y.0018.000000T0000Z-110225T2100Z/
CHARLESTON HARBOR-
113 PM EST FRI FEB 25 2011

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...
...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A SMALL
CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON. THE GALE WARNING HAS BEEN CANCELLED. 

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.

&&

$$

AMZ354-252100-
/O.CON.KCHS.SC.Y.0018.000000T0000Z-110225T2100Z/
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT
20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
113 PM EST FRI FEB 25 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON. 

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.

&&

$$

AMZ350-352-374-260215-
/O.CON.KCHS.SC.Y.0018.000000T0000Z-110226T1500Z/
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 EXTENDING FROM 20 TO
60 NM-
113 PM EST FRI FEB 25 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY. 

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.

&&

$$
608 
WHUS72 KCHS 252037
MWWCHS

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON SC
337 PM EST FRI FEB 25 2011

AMZ330-252145-
/O.EXP.KCHS.SC.Y.0018.000000T0000Z-110225T2100Z/
CHARLESTON HARBOR-
337 PM EST FRI FEB 25 2011

...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 PM EST THIS AFTERNOON...

THE SMALL CRAFT ADVISORY WILL EXPIRE AT 4 PM EST THIS AFTERNOON. 

$$

AMZ354-252145-
/O.EXP.KCHS.SC.Y.0018.000000T0000Z-110225T2100Z/
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT
20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
337 PM EST FRI FEB 25 2011

...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 PM EST THIS AFTERNOON...

THE SMALL CRAFT ADVISORY WILL EXPIRE AT 4 PM EST THIS AFTERNOON. 

$$

AMZ350-352-374-260445-
/O.CON.KCHS.SC.Y.0018.000000T0000Z-110226T1500Z/
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 EXTENDING FROM 20 TO
60 NM-
337 PM EST FRI FEB 25 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY. 

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.

&&

$$
277 
WHUS72 KCHS 260253
MWWCHS

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON SC
953 PM EST FRI FEB 25 2011

AMZ350-352-374-261100-
/O.CON.KCHS.SC.Y.0018.000000T0000Z-110226T1500Z/
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 EXTENDING FROM 20 TO
60 NM-
953 PM EST FRI FEB 25 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY. 

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.

&&

$$
493 
WHUS72 KCHS 260818
MWWCHS

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON SC
318 AM EST SAT FEB 26 2011

AMZ374-260930-
/O.CAN.KCHS.SC.Y.0018.000000T0000Z-110226T1500Z/
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
318 AM EST SAT FEB 26 2011

...SMALL CRAFT ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS CANCELLED THE
SMALL CRAFT ADVISORY. 

$$

AMZ350-352-261500-
/O.CON.KCHS.SC.Y.0018.000000T0000Z-110226T1500Z/
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
318 AM EST SAT FEB 26 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 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.

&&

$$
035 
WHUS72 KCHS 261436
MWWCHS

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON SC
936 AM EST SAT FEB 26 2011

AMZ350-352-261545-
/O.EXP.KCHS.SC.Y.0018.000000T0000Z-110226T1500Z/
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
936 AM EST SAT FEB 26 2011

...SMALL CRAFT ADVISORY WILL EXPIRE AT 10 AM EST THIS MORNING...

THE SMALL CRAFT ADVISORY WILL EXPIRE AT 10 AM EST THIS MORNING. 

$$

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 24, 4:09 PM EST, 10 minutes earlier.

Area forecast discussion, Feb 24, 4:09 PM EST, 10 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON SC
409 PM EST THU FEB 24 2011

.SYNOPSIS...
A COLD FRONT WILL MOVE THROUGH THE REGION FRIDAY EVENING...WITH
HIGH PRESSURE TO FOLLOW THROUGH EARLY NEXT WEEK. ANOTHER COLD
FRONT IS EXPECTED TO MOVE THROUGH THE REGION MONDAY NIGHT...WITH
HIGH PRESSURE THEN BUILDING BACK INTO THE AREA THROUGH LATE NEXT
WEEK.

&&

.NEAR TERM /UNTIL 6 AM FRIDAY MORNING/...
HIGH PRESSURE CENTERED S OF THE AREA WILL BE SUPPRESSED FURTHER S
AND AN UPPER LEVEL RIDGE AXIS WILL SHIFT OFFSHORE TONIGHT...BOTH
IN RESPONSE TO AN APPROACHING STORM SYSTEM. STRONG WARM AIR
ADVECTION IN ADVANCE OF THIS SYSTEM COMBINED WITH MOIST ONSHORE
FLOW WILL ALLOW FOR EXTENSIVE STRATUS DEVELOPMENT OVERNIGHT. IN
ADDITION...STRONG LOW LEVEL JETTING AHEAD OF THE INCOMING SYSTEM
WILL KEEP WIND SPEEDS IN THE 5-10 MPH RANGE OVERNIGHT /WITH WINDS
ALOFT IN THE 30-40 KT RANGE/. ALTHOUGH SOME MODELS ARE ADVERTISING
HIGH CHCS FOR FOG...AM NOT READY TO BUY OFF ON THIS SCENARIO DUE
TO WINDS NOT GOING LIGHT TO CALM. HAVE ADDED MENTION OF PATCHY FOG
IN THE PRODUCTS...AS IT IS ALWAYS POSSIBLE THAT IN BRIEF BOUTS OF
CALM WINDS...STRATUS MAY DROP TO FOG. WILL KEEP THE FORECAST RAIN-
FREE OVERNIGHT AS TIMING OF PRECIP HAS IT HOLDING OFF UNTIL AFTER
DAYBREAK. REGARDING THE WARM AIR ADVECTION...WILL LOOK FOR TEMPS
TO BOTTOM OUT DURING THE LATE EVENING TO EARLY MORNING HOURS THEN
GRADUALLY RISE THROUGH THE PRE-DAWN HOURS AS WINDS SHIFT FROM SE
TO S AND SSW LATE. TEMPS WILL BE QUITE MILD FOR THIS TIME OF
YEAR...WITH LOWS EXPECTED TO ONLY DROP TO THE UPR 50S TO AROUND
60.

&&

.SHORT TERM /6 AM FRIDAY MORNING THROUGH SUNDAY/...
FRIDAY AND FRIDAY NIGHT...THE PRIMARY CONCERN FOR FRIDAY WILL BE
STRONG SOUTHWESTERLY WINDS AHEAD OF AN APPROACHING COLD FRONT. AS
HIGH PRESSURE SLOWLY DRIFTS EASTWARD OVER THE OPEN ATLANTIC AND
THE LOW PRESSURE SYSTEM ADVANCES FROM ARKANSAS INTO THE OHIO
VALLEY THE PRESSURE GRADIENT WILL RAPIDLY STRENGTHEN FRIDAY
MORNING. THIS IN COMBINATION WITH A STRONG 50 KT 900 MB JET WILL
PRODUCE VERY GUSTY CONDITIONS THROUGH THE MID AFTERNOON WHEN RAIN
SHOWERS AND CLOUD COVER WILL BE ON THE INCREASE REDUCING MIXING.
NAM AND GFS MIXING PROFILES INDICATE WIND GUSTS APPROACHING 40 MPH
WILL BE POSSIBLE ACROSS MUCH OF THE CWA...WITH THE GREATEST CHANCE
IN SE SC. CURRENT THINKING IS THAT A WIND ADVISORY MAY BE
NEEDED...BUT RIGHT NOW ONLY ISOLATED WIND GUSTS APPROACHING 40 MPH
LOOK LIKELY. THUS WILL HOLD OFF ON THE WIND ADVISORY AT THIS TIME
AND ALLOW THE MID SHIFT TO TAKE ANOTHER LOOK AT IT. A LAKE WIND
ADVISORY WILL BE ISSUED WITH THIS PACKAGE.

TEMPERATURES WILL BE WELL ABOVE AVERAGE FRIDAY WITH HIGHS IN THE
MIDDLE TO UPPER 70S ACROSS THE AREA. ALL MODELS ARE SHOWING MOSTLY
CLOUDY TO CLOUDY CONDITIONS FRIDAY...WHICH SHOULD HOLD TEMPS
DOWN SLIGHTLY BELOW THE POTENTIAL LOW 80S WHICH THICKNESS VALUES
AND COMPRESSIONAL HEATING AHEAD OF THE COLD FRONT WOULD SUPPORT.
AS THE COLD FRONT APPROACHES THE AREA RAIN CHANCES WILL INCREASE.
MODELS ARE ONCE AGAIN VERY CONSISTENT WITH THE PRIMARY UPPER LEVEL
ENERGY PASSING WEST AND THEN NORTH OF THE AREA. THUS SHOWERS AND
STORMS SHOULD BE WEAKENING AS THEY MOVE EAST ACROSS GA AND SC.
THERE IS A GOOD CHANCE OF SOME ACCUMULATING RAINFALL IN INTERIOR
ZONES...BUT PRECIPITATION CHANCES WILL DIMINISH RAPIDLY TOWARDS
THE COAST. HIGH END CHANCE POPS HAVE BEEN MAINTAINED ACROSS
INTERIOR AREAS FROM 12Z THROUGH 18Z WITH CHANCE POPS TOWARDS THE
COAST THROUGH 21Z.

WINDS WILL DECREASE SIGNIFICANTLY BEHIND THE COLD FRONT AND TURN
TO OUT OF THE NORTH FOR FRIDAY NIGHT ALLOWING COLD AIR TO FUNNEL
IN. LOW TEMPS FRIDAY NIGHT WILL RANGE FROM THE MIDDLE 40S ACROSS
FAR INLAND AREAS TO LOWER 50S ALONG THE COAST.

SATURDAY THROUGH SUNDAY...AS QUICKLY AS THE WINDS WILL TURN TO OUT
OF THE NORTH FRIDAY EVENING THROUGH FRIDAY NIGHT WINDS WILL TURN
BACK TO OUT OF THE EAST AND THEN SOUTHEAST SATURDAY AS THE FRONT
RETREATS BACK NORTHWARD. THUS HIGH TEMPERATURES SATURDAY WILL BE
COOLER THEN FRIDAY...BUT ONLY DROPPING INTO THE UPPER 60S NORTH TO
LOWER 70S SOUTH. AS WARM AIR ADVECTION CONTINUES SATURDAY INTO
SUNDAY AND THE LOW LEVEL COOL AIR IS SCOURED AWAY WITH
SOUTHEASTERLY WINDS...TEMPERATURES WILL CLIMB BACK INTO THE MID TO
UPPER 70S FOR HIGH TEMPERATURES ON SUNDAY UNDER PARTLY CLOUDY
SKIES. A DEVELOPING COASTAL TROUGH MAY BRING INCREASED CLOUD COVER
INTO SC SATURDAY...BUT DRY CONDITIONS WILL PREVAIL.

AS THE SOUTHERLY FLOW CONTINUES...DEWPOINTS WILL ONCE AGAIN BE ON
THE REBOUND. THIS ALONG WITH GOOD RADIATIONAL COOLING AND LIGHT
WINDS SATURDAY NIGHT WILL ALLOW FOR FOG DEVELOPMENT ACROSS THE
ENTIRE CWA.

&&

.LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/...
MEDIUM RANGE GUIDANCE REMAINS IN GOOD AGREEMENT WITH RESPECT TO
OVERALL SYNOPTIC FEATURES THROUGH THE EXTENDED PERIODS...BUT THERE
REMAINS DIFFERENCES IN THE TIMING AND POSITIONING OF INDIVIDUAL
SYSTEMS AMONGST THE VARIOUS GLOBAL MODELS.

ATLANTIC HIGH PRESSURE WILL BEGIN TO BREAK DOWN SUNDAY NIGHT AND
MONDAY AS A COLD FRONT BEGINS TO APPROACH THE REGION FROM THE
WEST. THE COLD FRONT IS EXPECTED TO PUSH THROUGH THE AREA MONDAY
NIGHT...FOLLOWED BY HIGH PRESSURE BUILDING NORTH OF THE REGION
TUESDAY THROUGH THURSDAY. WILL KEEP THE FORECAST RAIN FREE SUNDAY
NIGHT...THEN CARRY SLIGHT CHANCE/LOW CHANCE POPS MONDAY AND MONDAY
NIGHT TO ACCOUNT FOR TIMING DIFFERENCES AMONGST THE MODELS WITH
RESPECT TO THE COLD FRONTAL PASSAGE. RAIN FREE WEATHER IS THEN
EXPECTED TUESDAY THROUGH WEDNESDAY AS HIGH PRESSURE BUILDS NORTH
OF THE AREA. PERSISTENT ONSHORE FLOW WILL ALLOW THE BOUNDARY LAYER
TO SLOWLY MOISTEN UP BY MID TO LATE WEEK...SO WILL INCLUDE A
SLIGHT CHANCE OF SHOWERS WEDNESDAY NIGHT AND THURSDAY TO ACCOUNT
FOR SOME SHOWERS ROLLING IN OFF THE ATLANTIC.

TEMPERATURES ARE EXPECTED TO RUN WELL ABOVE NORMAL SUNDAY NIGHT
THROUGH MONDAY NIGHT...THEN DROP WITHIN A FEW DEGREES EITHER SIDE
OF CLIMATOLOGY TUESDAY THROUGH THURSDAY.

&&

.AVIATION /21Z THURSDAY THROUGH TUESDAY/...
VFR CONDITIONS TO PREVAIL INTO THE EARLY EVENING HOURS. HOWEVER...
AT KCHS...SMALL AREA OF SPRINKLES/RAIN SHOWERS WILL PUSH THROUGH
THE AREA WHICH IS MAKING FOR BRIEF MVFR CIGS. THE SHOWERS WILL
PUSH THROUGH THE AREA BY 00Z THIS EVENING. ANY REMAINING MIDLVL
CUMULUS CLOUD FIELD WILL DISSIPATE AROUND OR SHORTLY AFTER SUNSET.
HOWEVER...LOW STRATUS CLOUDS WILL DEVELOP IN RESPONSE TO A STRONG
INFLUX OF LOW LEVEL MOISTURE FROM ONSHORE FLOW AHEAD OF A STORM
SYSTEM FROM THE WEST. CIGS WILL DETERIORATE TO IFR LEVELS BY THE
EARLY MORNING HOURS. AM NOT EXPECTING TOO MUCH OF A REDUCTION IN
VISIBILITY DUE TO SFC WINDS REMAINING IN THE 6-10 KT RANGE...
DESPITE THAT SOME SHORT-TERM MODELS REDUCE VSBY DOWN TO IFR AND
LIFR LEVELS. THAT SAID...IF WINDS DROP BELOW 5 KT AT TIMES...VSBYS
COULD BE QUICKLY REDUCED TO IFR OR LOWER. IFR CIGS ARE EXPECTED TO
LAST THROUGH DAYBREAK THEN DISSIPATE AS WINDS INCREASE. REGARDING
WINDS...STRONG LOW LEVEL JETTING WILL MOVE INTO THE REGION
OVERNIGHT...CREATING LLWS CONDITIONS LATE TONIGHT THROUGH DAYBREAK
TOMORROW. HAVE ADDED ITS MENTION TO THE TAFS. SFC WINDS WILL THEN
INCREASE CLOSE TO 15 KT WITH GUSTS AROUND 25 KT AFTER DAYBREAK.

EXTENDED AVIATION OUTLOOK...MVFR OR LOWER CONDITIONS POSSIBLE
FRIDAY AHEAD OF A COLD FRONT. MVFR OR LOWER VSBYS WILL BE
POSSIBLE EACH NIGHT FRIDAY THROUGH SUNDAY DUE TO FOG. MVFR OR
LOWER CONDITIONS MONDAY WITH PRECIPITATION AHEAD OF A COLD FRONT.

&&

.MARINE...
STRONG LOW LEVEL JETTING AHEAD OF AN APPROACHING STORM SYSTEM WILL
MAKE FOR INCREASING SOUTHERLY WINDS ACROSS ALL THE WATERS
OVERNIGHT. THOUGH THE COLDER SHELF WATERS WILL INHIBIT ALL OF THE
WINDS ALOFT FROM BLENDING DOWN TO THE SURFACE...THE WARM AIR
ADVECTION ALONE WILL ALLOW WINDS TO INCREASE TO THE 15-20 KT RANGE
ALONG WITH MOST MARINE ZONES...ALL EXCEPT THE NEARSHORE GA
WATERS...EXPERIENCING FREQUENT GUSTS TO AROUND 25 KT DURING THE
PRE-DAWN HOURS. HAVE ISSUED SCA FLAGS FOR ALL BUT THE NEARSHORE GA
LEG FOR THE LATE NIGHT HOURS...BUT EVEN THAT ZONE MAY BE CLOSE
BEFORE DAYBREAK. AS FOR VISIBILITIES...AM OPTING TO STICK WITH
PATCHY FOG SINCE WINDS WILL BE INCREASING AND THAT MODEL GUIDANCE
IS RATHER INCONSISTENT IN ITS INTENSITY...ALTHOUGH THERE IS GOOD
AGREEMENT ON THE FACT THAT IT WILL OCCUR.

FRIDAY AND FRIDAY NIGHT...S/SW WINDS WILL INTENSIFY AS HIGH
PRESSURE SLOWLY MOVES EASTWARD OVER THE OPEN ATLANTIC SOUTH OF
BERMUDA AND LOW PRESSURE APPROACHES THE WATERS FROM THE WEST. A
STRONG 900 MB 50 KT JET WILL ALLOW WINDS GUSTING UPWARDS OF 30 KT
ACROSS AMZ350 AND THE HARBOR AND ABOVE 25 KT ELSEWHERE. SMALL
CRAFT ADVISORIES HAVE THUS BEEN RAISED FOR ALL WATERS FRIDAY.
WINDS WILL DECREASE SUBSTANTIALLY AS CLOUD COVER AND RAIN SHOWERS
MOVE INTO THE AREA AHEAD OF THE COLD FRONT FRIDAY AFTERNOON.
HOWEVER A SECONDARY NORTHEASTERLY SURGE FRIDAY NIGHT BEHIND THE
COLD FRONT WILL BRING 25 KT WIND GUSTS ONCE AGAIN TO AMZ350. THUS
THE SCA IS EXTENDED FOR AMZ350 THROUGH 12Z SATURDAY.

SATURDAY THROUGH MONDAY...A WEAK COASTAL TROUGH WILL DEVELOP
ACROSS THE WATERS SATURDAY LEADING PRIMARILY TO INCREASES IN CLOUD
COVER BUT LITTLE IF ANY PRECIPITATION. ENE WINDS WILL VEER TO
OUT OF THE SOUTHEAST WITH DEWPOINTS INCREASING INTO THE UPPER 50S
TO LOWER 60S SATURDAY NIGHT THROUGH SUNDAY NIGHT. THE HIGH
DEWPOINTS AND COOL SEA SURFACE TEMPERATURES...ALONG WITH LIGHT
WINDS...SHOULD ALLOW SEA FOG DEVELOPMENT...POSSIBLY DENSE. THE NAM
FOG PRODUCT CURRENT HITS THE FOG DEVELOPMENT HARD WITH THIS EVENT
ACROSS COASTAL WATERS...SO CONFIDENCE IS A LITTLE HIGHER THAN
USUAL.

WINDS WILL INCREASE AND SEAS WILL BUILD ONCE AGAIN MONDAY IN
ADVANCE OF AN APPROACHING COLD FRONT...AND SMALL CRAFT
CONDITIONS MAY DEVELOP OVER PORTIONS OF THE MARINE AREA THROUGH
TUESDAY.

&&

.CHS WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
SC...LAKE WIND ADVISORY FROM 7 AM TO 4 PM EST FRIDAY FOR SCZ045.
MARINE...SMALL CRAFT ADVISORY FROM 4 AM TO 4 PM EST FRIDAY FOR AMZ330-
     352-374.
     SMALL CRAFT ADVISORY FROM 4 AM FRIDAY TO 7 AM EST SATURDAY FOR
     AMZ350.
     SMALL CRAFT ADVISORY FROM 7 AM TO 4 PM EST FRIDAY FOR AMZ354.

&&

JPC/RPA
Hazardous weather outlook, Feb 24, 3:59 AM EST, 12 hours 20 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON SC
359 AM EST THU FEB 24 2011

GAZ087-088-099>101-114>116-118-137-138-140-SCZ040-042>044-047-250900-
JENKINS-SCREVEN-CANDLER-BULLOCH-EFFINGHAM-TATTNALL-EVANS-
INLAND BRYAN-INLAND CHATHAM-LONG-INLAND LIBERTY-INLAND MCINTOSH-
ALLENDALE-HAMPTON-INLAND COLLETON-DORCHESTER-INLAND JASPER-
359 AM EST THU FEB 24 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST GEORGIA AND
SOUTHEAST SOUTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

DENSE FOG...AREAS OF DENSE FOG AREA POSSIBLE SATURDAY NIGHT INTO
SUNDAY. DENSE FOG ADVISORIES MAY EVENTUALLY BE NEEDED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

AMZ330-350-352-354-374-GAZ117-119-139-141-SCZ048>052-250900-
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-COASTAL BRYAN-COASTAL CHATHAM-COASTAL LIBERTY-COASTAL MCINTOSH-
BEAUFORT-COASTAL COLLETON-CHARLESTON-COASTAL JASPER-TIDAL BERKELEY-
359 AM EST THU FEB 24 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL
WATERS...SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

SEA FOG...PATCHY SEA FOG MAY IMPACT THE COASTAL WATERS TONIGHT.
SOME OF THIS MAY MOVE ONSHORE AND AFFECT COASTAL LOCATIONS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

SEA FOG...A HUMID AIRMASS MOVING OVER THE COOLER NEARSHORE SHELF
WATERS MAY RESULT IN THE DEVELOPMENT OF DENSE SEA FOG SATURDAY
NIGHT INTO SUNDAY. DENSE FOG ADVISORIES MAY EVENTUALLY BE NEEDED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

SCZ045-250900-
INLAND BERKELEY-
359 AM EST THU FEB 24 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

LAKE WINDS...SOUTHWEST WINDS ARE EXPECTED TO INCREASE IN ADVANCE
OF AN APPROACHING COLD FRONT ON FRIDAY. A LAKE WIND ADVISORY MAY
EVENTUALLY BE NEEDED FOR LAKE MOULTRIE.

DENSE FOG...AREAS OF DENSE FOG AREA POSSIBLE SATURDAY NIGHT INTO
SUNDAY. DENSE FOG ADVISORIES MAY EVENTUALLY BE NEEDED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 4:14 PM ESTLake Wind AdvisoryCHSBerkeley15 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.