Alert archive / Georgia / Gale Warnings in 2012
Gale Warning 11, NWS Charleston, SC
NWS Charleston, SC issued this gale warning at Dec 25, 2012, 3:42 PM EST. It took effect at Dec 26, 2012, 6:00 AM EST. It was in force for 21 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 25, 2012, 3:42 PM EST (20:42 UTC)
- In effect from
- Dec 26, 2012, 6:00 AM EST
- Expired
- Dec 27, 2012, 3:25 AM EST
- In force
- 21 hr
- Issued by
- NWS Charleston, SC
The text
As transmitted, in the capitals the NWS used until 2016.
112 WHUS72 KCHS 252042 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 342 PM EST TUE DEC 25 2012 AMZ330-350-352-260500- /O.UPG.KCHS.GL.A.0012.121226T1200Z-121227T0500Z/ /O.NEW.KCHS.GL.W.0011.121226T1100Z-121227T0500Z/ 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- 342 PM EST TUE DEC 25 2012 ...GALE WARNING IN EFFECT FROM 6 AM WEDNESDAY TO MIDNIGHT EST WEDNESDAY NIGHT... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A GALE WARNING...WHICH IS IN EFFECT FROM 6 AM WEDNESDAY TO MIDNIGHT EST WEDNESDAY NIGHT. * TIMING OF GALES: DAYBREAK WEDNESDAY THROUGH WEDNESDAY EVENING. * WINDS: SOUTH WINDS 25 TO 30 KNOTS WITH GUSTS TO 35 KNOTS. * SEAS: PEAKING 7 TO 10 FEET AWAY FROM THE COAST. WAVES IN THE CHARLESTON HARBOR WILL PEAK 2 TO 4 FEET...HIGHEST NEAR THE HARBOR ENTRANCE. * IMPACTS: DANGEROUS WINDS AND SEAS WILL MAKE FOR EXTREMELY HAZARDOUS CONDITIONS...ESPECIALLY FOR SMALL CRAFT. MARINERS SHOULD REMAIN IN PORT. 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. && $$ AMZ374-260500- /O.UPG.KCHS.GL.A.0012.121226T0800Z-121227T1000Z/ /O.NEW.KCHS.GL.W.0011.121226T1100Z-121227T0500Z/ WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 342 PM EST TUE DEC 25 2012 ...GALE WARNING IN EFFECT FROM 6 AM WEDNESDAY TO MIDNIGHT EST WEDNESDAY NIGHT... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A GALE WARNING...WHICH IS IN EFFECT FROM 6 AM WEDNESDAY TO MIDNIGHT EST WEDNESDAY NIGHT. * TIMING OF GALES: DAYBREAK WEDNESDAY THROUGH WEDNESDAY EVENING. * WINDS: SOUTH WINDS 25 TO 30 KNOTS GUSTING TO 40 KNOTS. * SEAS: PEAKING 8 TO 11 FT...HIGHEST BEYOND 40 NM. * IMPACTS: DANGEROUS WINDS AND SEAS WILL MAKE FOR EXTREMELY HAZARDOUS CONDITIONS...ESPECIALLY FOR SMALL CRAFT. MARINERS SHOULD REMAIN IN PORT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS SUSTAINED WINDS OR FREQUENT GUSTS OF 34 TO 47 KNOTS ARE EXPECTED. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ AMZ354-260500- /O.UPG.KCHS.GL.A.0012.121226T0800Z-121227T0500Z/ /O.NEW.KCHS.GL.W.0011.121226T1100Z-121227T0500Z/ WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY- 342 PM EST TUE DEC 25 2012 ...GALE WARNING IN EFFECT FROM 6 AM WEDNESDAY TO MIDNIGHT EST WEDNESDAY NIGHT... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A GALE WARNING...WHICH IS IN EFFECT FROM 6 AM WEDNESDAY TO MIDNIGHT EST WEDNESDAY NIGHT. * TIMING OF GALES: DAYBREAK WEDNESDAY THROUGH WEDNESDAY EVENING. * WINDS: SOUTH WINDS 25 TO 30 KNOTS GUSTING TO 35 KNOTS. * SEAS: PEAKING 5 TO 7 FEET AWAY FROM THE COAST. * IMPACTS: DANGEROUS WINDS AND SEAS WILL MAKE FOR EXTREMELY HAZARDOUS CONDITIONS...ESPECIALLY FOR SMALL CRAFT. MARINERS SHOULD REMAIN IN PORT. 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. && $$
8 follow-up statements
680 WHUS72 KCHS 260625 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 125 AM EST WED DEC 26 2012 AMZ330-350-352-354-374-261430- /O.CON.KCHS.GL.W.0011.121226T1100Z-121227T0500Z/ CHARLESTON HARBOR- WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM- WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM- WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY- WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 125 AM EST WED DEC 26 2012 ...GALE WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO MIDNIGHT EST TONIGHT... A GALE WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO MIDNIGHT EST TONIGHT. * TIMING OF GALES: DAYBREAK WEDNESDAY THROUGH WEDNESDAY EVENING. * WINDS: SOUTH WINDS 25 TO 30 KNOTS WITH GUSTS TO 35 KNOTS WILL SHIFT WEST LATER TODAY AND THIS EVENING. * SEAS: PEAKING 7 TO 10 FEET AWAY FROM THE COAST. WAVES IN THE CHARLESTON HARBOR WILL PEAK 2 TO 4 FEET...HIGHEST NEAR THE HARBOR ENTRANCE. * IMPACTS: DANGEROUS WINDS AND SEAS WILL MAKE FOR EXTREMELY HAZARDOUS CONDITIONS...ESPECIALLY FOR SMALL CRAFT. MARINERS SHOULD REMAIN IN PORT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS SUSTAINED WINDS OR FREQUENT GUSTS OF 34 TO 47 KNOTS ARE EXPECTED. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$
464 WHUS72 KCHS 260849 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 349 AM EST WED DEC 26 2012 AMZ330-350-352-354-374-261700- /O.CON.KCHS.GL.W.0011.121226T1100Z-121227T0500Z/ 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- 349 AM EST WED DEC 26 2012 ...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... A GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. * TIMING OF GALES: MID MORNING THROUGH THIS EVENING. * WINDS: SOUTH WINDS 25 TO 30 KNOTS WITH GUSTS TO 35 KNOTS WILL SHIFT WEST LATER TODAY AND THIS EVENING AS A STRONG COLD FRONT MOVES INTO AND THROUGH THE WATERS. * SEAS: PEAKING 7 TO 10 FEET AWAY FROM THE COAST. WAVES IN THE CHARLESTON HARBOR WILL PEAK NEAR 3 FEET...HIGHEST NEAR THE HARBOR ENTRANCE. * IMPACTS: DANGEROUS WINDS AND SEAS WILL MAKE FOR EXTREMELY HAZARDOUS CONDITIONS...ESPECIALLY FOR SMALL CRAFT. MARINERS SHOULD REMAIN IN PORT. 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. && $$
706 WHUS72 KCHS 261410 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 910 AM EST WED DEC 26 2012 AMZ330-350-352-354-374-262215- /O.CON.KCHS.GL.W.0011.000000T0000Z-121227T0500Z/ CHARLESTON HARBOR- WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM- WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM- WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY- WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 910 AM EST WED DEC 26 2012 ...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... A GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. * TIMING OF GALES: MID MORNING THROUGH THIS EVENING. * WINDS: SOUTH WINDS 25 TO 35 KNOTS WITH GUSTS TO 40 OR 45 KNOTS WILL SHIFT WEST LATER TODAY AND THIS EVENING AS A STRONG COLD FRONT MOVES INTO AND THROUGH THE WATERS. * SEAS: PEAKING 7 TO 11 FEET AWAY FROM THE COAST. WAVES IN THE CHARLESTON HARBOR WILL PEAK NEAR 3 FEET...HIGHEST NEAR THE HARBOR ENTRANCE. * IMPACTS: DANGEROUS WINDS AND SEAS WILL MAKE FOR EXTREMELY HAZARDOUS CONDITIONS...ESPECIALLY FOR SMALL CRAFT. MARINERS SHOULD REMAIN IN PORT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS SUSTAINED WINDS OR FREQUENT GUSTS OF 34 TO 47 KNOTS ARE EXPECTED. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$
375 WHUS72 KCHS 261700 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 1200 PM EST WED DEC 26 2012 AMZ330-350-352-354-374-270100- /O.CON.KCHS.GL.W.0011.000000T0000Z-121227T0500Z/ 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- 1200 PM EST WED DEC 26 2012 ...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... A GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. * TIMING OF GALES: MID MORNING THROUGH THIS EVENING. * WINDS: SOUTHWEST WINDS 25 TO 35 KNOTS WITH GUSTS TO 40 OR 45 KNOTS WILL SHIFT TO THE WEST LATER THIS AFTERNOON AND EVENING AS A STRONG COLD FRONT MOVES INTO AND THROUGH THE WATERS. * SEAS: PEAKING 7 TO 11 FEET AWAY FROM THE COAST. WAVES IN THE CHARLESTON HARBOR WILL PEAK NEAR 3 FEET...HIGHEST NEAR THE HARBOR ENTRANCE. * IMPACTS: DANGEROUS WINDS AND SEAS WILL MAKE FOR EXTREMELY HAZARDOUS CONDITIONS...ESPECIALLY FOR SMALL CRAFT. MARINERS SHOULD REMAIN IN PORT. 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. && $$
853 WHUS72 KCHS 261911 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 211 PM EST WED DEC 26 2012 AMZ330-270315- /O.EXT.KCHS.GL.W.0011.000000T0000Z-121227T0600Z/ CHARLESTON HARBOR- 211 PM EST WED DEC 26 2012 ...GALE WARNING NOW IN EFFECT UNTIL 1 AM EST THURSDAY... THE GALE WARNING IS NOW IN EFFECT UNTIL 1 AM EST THURSDAY. * TIMING OF GALES: FROM LATE THIS AFTERNOON THROUGH VERY EARLY THURSDAY MORNING. * WINDS: SOUTHWEST WINDS 20 TO 25 KNOTS WILL SHIFT TO THE WEST AT LATE THIS AFTERNOON AND TONIGHT AS A STRONG COLD FRONT MOVES INTO AND THROUGH THE WATERS. GUSTS WILL REACH AS HIGH AS NEAR 35 KT LATE THIS AFTERNOON INTO EARLY TONIGHT. * WAVES: AROUND 3 TO 4 FT...HIGHEST NEAR THE HARBOR ENTRANCE. * IMPACTS: DANGEROUS WINDS AND WAVES WILL MAKE FOR EXTREMELY HAZARDOUS CONDITIONS...ESPECIALLY FOR SMALL CRAFT. MARINERS SHOULD REMAIN IN PORT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS SUSTAINED WINDS OR FREQUENT GUSTS OF 34 TO 47 KNOTS ARE EXPECTED. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ AMZ350-352-354-374-270315- /O.EXT.KCHS.GL.W.0011.000000T0000Z-121227T0900Z/ 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- 211 PM EST WED DEC 26 2012 ...GALE WARNING NOW IN EFFECT UNTIL 4 AM EST THURSDAY... THE GALE WARNING IS NOW IN EFFECT UNTIL 4 AM EST THURSDAY. * TIMING OF GALES: FROM LATE THIS AFTERNOON THROUGH LATE TONIGHT. * WINDS: SOUTHWEST WINDS 20 TO 30 KNOTS WILL SHIFT TO THE WEST LATE THIS AFTERNOON INTO TONIGHT AS A STRONG COLD FRONT MOVES INTO AND THROUGH THE WATERS. GUSTS WILL REACH AS HIGH AS 35 OR 40 KT FROM LATE THIS AFTERNOON THROUGH LATE TONIGHT. * SEAS: AS HIGH AS 6 TO 9 FEET WITHIN 20 NM OF THE COAST...BUT UP TO 8 TO 12 FEET FURTHER OFFSHORE. * IMPACTS: DANGEROUS WINDS AND SEAS WILL MAKE FOR EXTREMELY HAZARDOUS CONDITIONS...ESPECIALLY FOR SMALL CRAFT. MARINERS SHOULD REMAIN IN PORT. 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. && $$
366 WHUS72 KCHS 270005 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 705 PM EST WED DEC 26 2012 AMZ330-270600- /O.CON.KCHS.GL.W.0011.000000T0000Z-121227T0600Z/ CHARLESTON HARBOR- 705 PM EST WED DEC 26 2012 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY... A GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY. * TIMING OF GALES: THROUGH VERY EARLY THURSDAY MORNING. * WINDS: WEST WINDS 20 TO 25 KNOTS WILL CONTINUE FOR MUCH OF TONIGHT FOLLOWING THE PASSAGE OF A STRONG COLD FRONT. GUSTS WILL REACH AS HIGH AS NEAR 35 KT INTO THE EARLY OVERNIGHT HOURS. * WAVES: AROUND 3 TO 4 FT...HIGHEST NEAR THE HARBOR ENTRANCE. * IMPACTS: DANGEROUS WINDS AND WAVES WILL MAKE FOR EXTREMELY HAZARDOUS CONDITIONS...ESPECIALLY FOR SMALL CRAFT. MARINERS SHOULD REMAIN IN PORT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS SUSTAINED WINDS OR FREQUENT GUSTS OF 34 TO 47 KNOTS ARE EXPECTED. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ AMZ350-352-354-374-270815- /O.CON.KCHS.GL.W.0011.000000T0000Z-121227T0900Z/ 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- 705 PM EST WED DEC 26 2012 ...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST THURSDAY... A GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST THURSDAY. * TIMING OF GALES: THROUGH LATE TONIGHT. * WINDS: WEST WINDS 20 TO 30 KNOTS WILL CONTINUE FOR MUCH OF TONIGHT FOLLOWING THE PASSAGE OF A STRONG COLD FRONT. GUSTS WILL REACH AS HIGH AS 35 OR 40 KT THROUGH LATE TONIGHT. * SEAS: AS HIGH AS 6 TO 9 FEET WITHIN 20 NM OF THE COAST...BUT UP TO 8 TO 12 FEET FURTHER OFFSHORE. * IMPACTS: DANGEROUS WINDS AND SEAS WILL MAKE FOR EXTREMELY HAZARDOUS CONDITIONS...ESPECIALLY FOR SMALL CRAFT. MARINERS SHOULD REMAIN IN PORT. 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. && $$
882 WHUS72 KCHS 270551 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 1251 AM EST THU DEC 27 2012 AMZ330-271400- /O.CAN.KCHS.GL.W.0011.000000T0000Z-121227T0600Z/ /O.NEW.KCHS.SC.Y.0064.121227T0551Z-121227T1500Z/ CHARLESTON HARBOR- 1251 AM EST THU DEC 27 2012 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING... ...GALE WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A SMALL CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM EST THIS MORNING. THE GALE WARNING HAS BEEN CANCELLED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WINDS AND OR SEAS ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ350-352-354-374-270900- /O.CON.KCHS.GL.W.0011.000000T0000Z-121227T0900Z/ 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- 1251 AM EST THU DEC 27 2012 ...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST EARLY THIS MORNING... A GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST EARLY THIS MORNING. * TIMING OF GALES: THROUGH LATE TONIGHT. * WINDS: WEST WINDS 20 TO 30 KNOTS WILL CONTINUE FOR MUCH OF TONIGHT FOLLOWING THE PASSAGE OF A STRONG COLD FRONT. GUSTS WILL REACH AS HIGH AS 35 KT THROUGH LATE TONIGHT. * SEAS: AS HIGH AS 5 TO 7 FEET WITHIN 20 NM OF THE COAST...BUT UP TO 8 TO 11 FEET FURTHER OFFSHORE. * IMPACTS: DANGEROUS WINDS AND SEAS WILL MAKE FOR EXTREMELY HAZARDOUS CONDITIONS...ESPECIALLY FOR SMALL CRAFT. MARINERS SHOULD REMAIN IN PORT. 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. && $$
866 WHUS72 KCHS 270825 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 325 AM EST THU DEC 27 2012 AMZ350-352-354-374-271630- /O.CAN.KCHS.GL.W.0011.000000T0000Z-121227T0900Z/ /O.EXB.KCHS.SC.Y.0064.000000T0000Z-121227T1700Z/ WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM- WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM- WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY- WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 325 AM EST THU DEC 27 2012 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EST TODAY... ...GALE WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A SMALL CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL NOON EST TODAY. THE GALE WARNING HAS BEEN CANCELLED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WINDS AND OR SEAS ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ330-271500- /O.CON.KCHS.SC.Y.0064.000000T0000Z-121227T1500Z/ CHARLESTON HARBOR- 325 AM EST THU DEC 27 2012 ...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 WINDS AND OR SEAS ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$
What forecasters said that day
The local office's own words before this gale warning 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 gale warning went out at Dec 25, 1:00 PM EST, 2 hours 42 minutes earlier.
Area forecast discussion, Dec 25, 1:00 PM EST, 2 hours 42 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON SC
100 PM EST TUE DEC 25 2012
.SYNOPSIS...
A WARM FRONT WILL LIFT NORTH TONIGHT AS LOW PRESSURE MOVES ACROSS
THE MISSISSIPPI VALLEY. A STRONG COLD FRONT WILL SWEEP THROUGH THE
REGION WEDNESDAY... PERHAPS ACCOMPANIED BY SEVERE THUNDERSTORMS
WITH DAMAGING WINDS AND ISOLATED TORNADOES. DEEP LOW PRESSURE WILL
MOVE AWAY FROM THE REGION WEDNESDAY NIGHT...AND COOL HIGH PRESSURE
WILL BUILD INTO THE AREA THURSDAY THROUGH FRIDAY. LOW PRESSURE
WILL CROSS THE REGION AND WILL PULL ANOTHER COLD FRONT THROUGH THE
AREA SATURDAY. HIGH PRESSURE WILL BUILD OVER THE REGION SUNDAY
INTO EARLY NEXT WEEK.
&&
.NEAR TERM /UNTIL 6 PM THIS EVENING/...
DEVELOPING LOW PRESSURE WILL MOVE INTO WESTERN MISSISSIPPI TODAY
WHILE A WARM FRONT CURRENTLY DRAPED ACROSS OUR FAR SOUTHERN ZONES
LIFTS SLOWLY NORTH. LOW CLOUDS AND FOG ASSOCIATED WITH THE SHALLOW
COOL LAYER WERE IN PLACE AT DAYBREAK. THE FOG HAS SINCE LIFTED DUE
TO INCREASING MIXING IN THE BOUNDARY LAYER. LOW CLOUDS LOOK TO
PERSIST FOR MUCH OF TODAY AS THE WARM FRONT WILL ONLY SLOWLY DRIFT
NORTH. WE MAY SEE SOME PARTIAL CLEARING THIS AFTERNOON...
ESPECIALLY COASTAL SOUTHEAST GEORGIA WHERE TEMPS WILL HAVE THE
BEST SHOT AT REACHING THE UPPER 60S. ELSEWHERE WE LOWERED TEMPS A
COUPLE DEGREES WITH HIGHS FORECAST IN THE LOWER TO MIDDLE 60S.
THE OVERRUNNING PRECIP THAT THE SYNOPTIC-SCALE MODELS WERE
INDICATING EARLIER THIS MORNING HAS GOTTEN A LATE START. WE ARE
NOT SEEING SOME LIGHT TO MODERATE RAIN SHOWING UP ACROSS OUR FAR
SOUTHERN ZONES. WE ADJUSTED POPS FOR THE REMAINDER OF THE DAY TO
SHOW CHANCE TO LIKELY INLAND SOUTHEAST GA AND SLIGHT CHANCE TO
CHANCE ELSEWHERE...SPREADING IN FROM SOUTH TO NORTH.
&&
.SHORT TERM /6 PM THIS EVENING THROUGH FRIDAY/...
TONIGHT...DEEPENING LOW PRESSURE WILL MOVE ACROSS THE ALABAMA AND
MISSISSIPPI OVERNIGHT TO A POSITION OVER TENNESSEE BY SUNRISE
WEDNESDAY. THE ASSOCIATED WARM FRONT WILL LIFT NORTH WITH
SOUTHEAST SOUTH CAROLINA AND SOUTHEAST GEORGIA BECOMING FIRMLY
ENTRENCHED IN THE WARM SECTOR THIS EVENING. BOTH DEWPOINTS AND
TEMPERATURES WILL RISE OVERNIGHT IN RESPONSE TO STRENGTHENING LOW-
LEVEL JETTING. AFTER BRIEFLY DROPPING INTO THE MID-UPPER
50S...EXPECT TO SEE TEMPERATURES RISE INTO THE LOWER-MID 60S AFTER
MIDNIGHT WITH IT BECOMING BREEZY. RAINFALL WILL DIMINISH A BIT
AFTER MIDNIGHT WITH THE WARM FRONT AND ATTENDANT ISENTROPIC LIFT
SHIFTING TO THE NORTH.
ATTENTION QUICKLY SHIFTS TO AN ADVANCING QUASI-LINEAR CONVECTIVE
SYSTEM /QLCS/ THAT WILL BE MOVING RAPIDLY ACROSS THE DEEP SOUTH
OVERNIGHT. THERE REMAINS SOME TIMING DIFFERENCES THE VARIOUS MODEL
GUIDANCE THIS MORNING TO WHEN THE QLCS AND ASSOCIATED RISK OF
DAMAGING WINDS AND TORNADOES WILL ARRIVE. A MORE PROGRESSIVE BLEND
OF THE GFS/ECMWF SOLUTIONS SEEMS THE MOST REASONABLE SOLUTION VERSUS
THE SLOWER NAM PER INTERNAL HPC CHATS AND PREVIOUS MODEL TRENDS AND
ALIGNS WELL CONTINUITY. ALTHOUGH INSTABILITY WILL BE LIMITED BY THE
CLIMATOLOGICALLY UNFAVORED TIME OF DAY /LIFTED INDICES OF -1 TO
-2C/...THE COMBINATION OF IMPRESSIVE UPPER-LEVEL DYNAMICS AND 0-6KM
BULK SHEAR NEAR 75 KT SHOULD BE MORE THAN ADEQUATE TO COMPENSATE.
EXPECT THE QLCS TO MOVE ACROSS CENTRAL GEORGIA AND INTO THE WESTERN
ZONES SOMETIME BETWEEN 4-7 AM. THE PRIMARY HAZARD LOOKS TO BE
DAMAGING WINDS...BUT THERE WILL BE A RISK FOR ISOLATED TORNADOES
WITH THE LATEST GFS SHOWING 0-1 KM HELICITY INCREASING TO 350-550
M2/M2 AND EHI VALUES BETWEEN 1-2 UNITS. THE RISK FOR TORNADOES WILL
BE HIGHEST WITH MESO-VORTICES EMBEDDED WITHIN THE QLCS ITSELF OR
WITH ISOLATED SUPERCELLS WHICH MAY DEVELOP SEVERAL MILES OUT AHEAD
OF THE PRIMARY CONVECTIVE LINE. WILL CONTINUE TO HIGHLIGHT A RISK
FOR SEVERE WEATHER IN THE HAZARDOUS WEATHER OUTLOOK.
AHEAD OF THE COLD FRONT WEDNESDAY...THE ONGOING/STRONGLY FORCED QLCS
AND ASSOCIATED SEVERE WEATHER THREAT WILL RACE THROUGH THE FORECAST
AREA...WITH ONGOING DYNAMIC/KINEMATIC SUPPORT ENHANCED BY A
NEGATIVELY TILTED UPPER TROUGH AND AN ASSOCIATED DIFFLUENT/DIVERGENT
FLOW AND HEIGHT FALLS/COLD ADVECTION...SIGNIFICANT FORCING FOR
ASCENT ALONG THE NOSE OF A 120+ KT UPPER LEVEL JET MAX IN TANDEM
WITH AN IMPRESSIVE 45-60 KT LOW LEVEL JET. INDEED...STRONG WIND
FIELDS WILL EXTEND THROUGH THE ENTIRE TROPOSPHERE...AND 0-6 KM
DIRECTIONAL/SPEED SHEAR VALUES ARE PROGGED TO INCREASE TO 60-80 KT
OVER THE QLCS WHEN MODEL SOUNDINGS DEPICT 50 KT WINDS DESCENDING TO
AROUND 2 KFT AGL AND DOWNDRAFT CAPES INCREASE TO 1000-1500 J/KG IN A
NARROW BAND NEAR THE CONVECTION. THUS...THE POTENTIAL EXISTS FOR
BOWING SEGMENTS WITH DAMAGING WIND GUSTS WITHIN THE QLCS. GIVEN THE
MAGNITUDE OF THE SHEAR AND CLASSIC CURVED HODOGRAPHS/0-1 KM HELICITY
VALUES INCREASING TO 300-600 M2/S2 AHEAD OF THE COLD FRONT...THE
POTENTIAL FOR ISOLATED TORNADOES WILL EXIST...WHERE EMBEDDED
ROTATING UPDRAFTS DEVELOP WITHIN THE QLCS AND WITHIN ANY DISCRETE
CELLS WHICH CAN DEVELOP WITHIN THE WARM SECTOR AHEAD OF THE
ORGANIZED CONVECTION.
MOST FORECAST UNCERTAINTY CENTERS ON TIMING OF THE QLCS...REASONABLE
SINCE THE SYSTEM HAS NOT EVEN TAKEN SHAPE UPSTREAM AS OF THE EARLY
TUESDAY MORNING FORECAST PACKAGE. OUR LATEST REASONING DOES NOT
EXPLICITLY INCORPORATE THE 25/00Z NAM SOLUTION...THE LATEST IN THE
SERIES OF NAM RUNS WHICH HAVE REMAINED SIGNIFICANTLY SLOWER THAN
OTHER OPERATIONAL MODELS. RATHER...OUR FORECAST LEANS TOWARD A
FASTER SOLUTION PRESENTED BY THE OPERATIONAL GFS...UKMET...CANADIAN
AND EUROPEAN MODELS...A SOLUTION WHICH PUSHES A PROGRESSIVE QLCS
THROUGH THE FORECAST AREA AND OFF THE COAST PRIOR TO NOON WEDNESDAY.
THE DEGREE OF SURFACE BASED INSTABILITY ALSO REMAINS UNCERTAIN. WEST
OF I-95...SURFACE BASED INSTABILITY COULD REMAIN LIMITED...THUS
LIMITING THE SCOPE OF THE SEVERE WEATHER EVENT. HOWEVER...ALL
GUIDANCE DEPICTS GREATER INSTABILITY CLOSER TO THE COAST...SO THE
SEVERE WEATHER THREAT COULD INCREASE AS THE QLCS ADVANCED
EAST/DEEPER INTO THE FORECAST AREA WEDNESDAY MORNING.
IF THE SLOWER NAM SOLUTION DOES VERIFY...GREATER DESTABILIZATION
WILL OCCUR AHEAD OF THE SQUALL LINE RESULTING IN A SIGNIFICANT
SEVERE WEATHER EVENT...AND THE SEVERE WEATHER THREAT COULD LINGER
INTO EARLY AFTERNOON NEAR THE COAST.
ALSO OF NOTE...OUTSIDE OF ANY THUNDERSTORMS/AHEAD OF THE COLD
FRONT...STRONG SOUTH WINDS WILL SPREAD INTO THE REGION...AND GUSTS
TO AT LEAST 40 MPH COULD OCCUR ESPECIALLY EAST OF I-95. THEN...A
WIND SHIFT TO THE WEST AND A SURGE OF COLD ADVECTION/STRONG PRESSURE
RISES IN THE WAKE OF COLD FROPA WILL PRODUCE STRONG WINDS ACROSS THE
REGION. WILL DEFER DECISIONS REGARDING WIND ADVISORIES TO LATER
SHIFTS.
HIGHEST TEMPERATURES WILL OCCUR IN THE MORNING INLAND/WEST AND BY
MIDDAY/EARLY AFTERNOON ALONG THE COAST...THEN STRONG COLD ADVECTION
WILL PRODUCE FALLING TEMPERATURES MOST OF THE DAY INLAND AND DURING
THE AFTERNOON AT THE COAST. PRIOR TO SUNSET...TEMPERATURES IN THE
50S WILL BE COMMON ACROSS THE AREA.
WEDNESDAY NIGHT AND THURSDAY...RAPID DRYING WILL TAKE HOLD BEHIND
THE DEPARTING COLD FRONT AND THE VERTICALLY STACKED LOW
SURFACE/ALOFT AS IT MOVES TO NEAR THE DELMARVA PENINSULA WEDNESDAY
NIGHT AND TO NEAR LONG ISLAND THURSDAY. THE LARGE CYCLONIC FLOW
AROUND THE LOW WILL STILL EXTEND BACK ACROSS THE LOCAL AREA...SO A
CONTINUED INFLUX OF COLDER AIR WILL SPREAD IN ON THE WEST AND NW
WINDS. IT/LL BE ABOUT 20 DEGREES COLDER COME EARLY THURSDAY MORNING
WHEN COMPARED TO EARLY WEDNESDAY MORNING...AND DAYTIME HIGHS
THURSDAY WILL STRUGGLE TO REACH THE LOWER AND MIDDLE 50S DESPITE
PLENTIFUL SUNSHINE.
FRIDAY...MID/HIGH CLOUDS WILL SPREAD EAST AND WILL THICKEN IN
RESPONSE TO UPSTREAM WARM ADVECTION/ISENTROPIC ASCENT. HOWEVER...LOW
LEVELS WILL REMAIN QUITE DRY...THUS LIMITED POPS TO LESS THAN 15
PERCENT.
&&
.LONG TERM /FRIDAY NIGHT THROUGH MONDAY/...
COMPLEX LOW PRESSURE WILL DEVELOP OVER THE GULF COAST AND WILL TRACK
ACROSS THE SOUTHEAST SATURDAY. OVERRUNNING AHEAD OF THE LOW WILL
PRODUCE RAIN PERHAPS AS EARLY AS LATE FRIDAY NIGHT...ESPECIALLY S/W
OF THE SAVANNAH RIVER...AND ACROSS THE ENTIRE AREA SATURDAY. WHILE
CONFIDENCE IS SUFFICIENT TO JUSTIFY LIKELY POPS ALL AREAS
SATURDAY...TIMING DIFFERENCES PRESENTED BY MODEL GUIDANCE TRANSLATE
TO LOW FORECAST CONFIDENCE REGARDING EVENT DETAILS. IF THE SURFACE
LOW TRACKS FARTHER NORTH/INLAND THAN CURRENTLY EXPECTED...THE WARM
SECTOR COULD BRIEFLY SURGE INTO THE FORECAST AREA AND COULD SUPPORT
A THREAT FOR SEVERE WEATHER. HOWEVER...LATEST GUIDANCE SUGGESTS THAT
THE WARM SECTOR AND ASSOCIATED THUNDERSTORM POTENTIAL WILL REMAIN
S/SE OF THE FORECAST AREA SATURDAY. THE LOW WILL DEEPEN QUITE
RAPIDLY AS IT PULLS NORTHEAST OF THE REGION...AND THIS WILL DRIVE
YET ANOTHER STRONG COLD FRONT THROUGH THE AREA LATE SATURDAY OR
SATURDAY NIGHT. THEN...HIGH PRESSURE AND ANOTHER SHOT OF CHILLY AIR
WILL SPREAD INTO THE FORECAST AREA WITH BELOW NORMAL TEMPERATURES
SATURDAY NIGHT THROUGH MONDAY. THEN...A WEAKER/SLOWER MOVING COLD
FRONT WILL BEGIN TO PUSH INTO THE AREA FROM THE NORTH TUESDAY.
TEMPERATURES SHOULD RECOVER TO AROUND NORMAL AHEAD OF THIS FRONT.
&&
.AVIATION /18Z TUESDAY THROUGH SUNDAY/...
A SHALLOW STABLE LAYER IN PLACE WITH A WARM FRONT TO THE SOUTH IS
KEEPING IFR CEILINGS IN PLACE AT BOTH TERMS. LATEST PROGS SHOW THE
FRONT LIFTING NORTH EARLY THIS EVENING SO WE ARE HOLDING ONTO IFR
CIGS UNTIL THEN. THE TIMING ON THE CIGS LIFTING FROM IFR TO MVFR
IS GOING TO BE TRICKY AND LIKELY TO REQUIRE ADDITIONAL AMENDMENTS.
OVERNIGHT WE ARE DEFYING THE STATISTICAL GUIDANCE AND CARRYING VFR
CONDITIONS BEHIND THE WARM FRONT. THIS IS MORE IN LINE WITH THE
SHORT RANGE ENSEMBLE GUIDANCE AND CLIMATOLOGY GIVEN THE APPROACH
OF A STRONG COLD FRONT AND INCREASING LOW-LEVEL SOUTHERLY FLOW. WE
MAINTAINED A COUPLE HOURS OF LOW-LEVEL WIND SHEAR AT BOTH
TERMINALS LATE TONIGHT WHEN THE JETTING BEGINS BUT BEFORE THE
SURFACE IS MIXING COMPLETELY. BY DAYBREAK WEDNESDAY WE EXPECT
RAIN SHOWERS AT BOTH TERMINALS AND GUSTY SOUTHERLY WINDS
DEVELOPING.
EXTENDED AVIATION OUTLOOK...MVFR CIGS/VSBYS POSSIBLE THROUGH LATE
WEDNESDAY AFTERNOON...THEN VFR. GUSTY WINDS THROUGH WEDNESDAY
NIGHT.
&&
.MARINE...
TODAY...LIGHT WINDS WILL DOMINATE THROUGH THE AFTERNOON AS A WARM
FRONT BECOMES MORE DEFINED INLAND. SPEEDS WILL BE LESS THAN 10 KT
WITH SEAS 1-2 FT.
TONIGHT...WARM FRONT WILL LIFT WELL TO THE NORTH AS LOW-LEVEL
JETTING INTENSIFIES ACROSS THE REGION. WINDS WILL RAPIDLY RAMP UP
AFTER MIDNIGHT WITH GUSTS TO GALE FORCE LIKELY OCCURRING AFTER 3-4
AM ACROSS THE GEORGIA WATERS AND CLOSER TO SUNRISE FOR THE SOUTH
CAROLINA WATERS. GALE WATCHES WILL THEREFORE BE HOISTED FOR ALL
MARINE LEGS.
GALE WATCHES IN EFFECT FOR ALL COASTAL WATERS CONTINUE UNTIL
MIDNIGHT ACROSS NEARSHORE WATERS AND UNTIL LATE WEDNESDAY NIGHT
ACROSS GA WATERS BEYOND 20 NM.
A BAND OF STRONG SOUTHERLY WINDS WILL PRECEDE THE COLD FRONT/
ASSOCIATED QLCS ACROSS COASTAL WATERS WEDNESDAY MORNING INTO EARLY
AFTERNOON...THEN THE COLD FRONT WILL PRODUCE A WIND SHIFT TO THE
WEST ACCOMPANIED BY STRONG COLD ADVECTION AND AN UNSTABLE MARINE
BOUNDARY LAYER TAPPING INTO 35-40 KT WINDS ALOFT. 25/00Z GUIDANCE
SUGGESTS A SUFFICIENTLY HIGH PROBABILITY FOR GALE FORCE WIND GUSTS
TO JUSTIFY GALE WATCHES FOR ALL WATERS.
PER LATEST WAVE WATCH GUIDANCE...THE STRONG SOUTHERLY WINDS WILL BE
ACCOMPANIED BY HAZARDOUS SEAS AS HIGH AS 8-10 FT NEAR THE 20 NM
BENCHMARK OF NEARSHORE WATERS TO AS HIGH AS 12-13 FT BEYOND 20 NM.
AFTER WINDS BECOME OFFSHORE...HIGHEST SEAS WILL SHIFT AWAY FROM THE
COAST...BUT ELEVATED/HAZARDOUS SEAS WILL PERSIST INTO WEDNESDAY
NIGHT.
LATE WEDNESDAY NIGHT THROUGH THURSDAY...COLD ADVECTION WILL WEAKEN
THEN WILL END...AND LOW LEVEL WINDS WILL RELAX. THUS...EXPECT
IMPROVEMENT THROUGH A PERIOD OF SMALL CRAFT ADVISORY CONDITIONS TO
NO HEADLINES WITH WINDS/SEAS BELOW SCA LEVELS THURSDAY AFTERNOON.
TRANQUIL CONDITIONS WILL CONTINUE UNDER HIGH PRESSURE FRIDAY.
FRIDAY THROUGH SUNDAY...COMPLEX/DEEPENING LOW PRESSURE WILL DEVELOP
OVER THE NORTHERN GULF OF MEXICO...WILL TRACK NE OVER THE GULF
STREAM/JUST S/E OF THE COASTAL WATERS AND WILL PULL AWAY FROM THE
REGION AS HIGH PRESSURE BUILDS S/SE SUNDAY. FRIDAY NIGHT INTO
SATURDAY...THE POTENTIAL FOR SMALL CRAFT ADVISORY CONDITIONS WILL
INCREASE...BUT FORECAST UNCERTAINTY REGARDING WIND DIRECTION/SPEED
REMAINS HIGH AND WILL DEPEND ON THE POSITION OF THE WARM FRONT WHICH
COULD REMAIN OVER THE GULF STREAM OR COULD PUSH CLOSER TO THE COAST.
THEN...AS THE LOW PULLS AWAY AND DEEPENS SATURDAY NIGHT THROUGH
SUNDAY...CONFIDENCE IS REASONABLE HIGH THAT A SURGE OF COLDER
AIR/N/NW WINDS WILL SUPPORT SMALL CRAFT ADVISORY CONDITIONS AND
PERHAPS EVEN A PERIOD OF GALES ACROSS THE WATERS.
&&
.TIDES/COASTAL FLOODING...
HIGH SURF...STRONG SOUTH AND SW WINDS WILL LIKELY PRODUCE HIGH SURF
ALONG THE COAST...AS BREAKERS REACH 5 FEET IN THE SURF ZONE. A HIGH
SURF ADVISORY WILL LIKELY BE REQUIRED DURING THIS TIME...BUT WILL
DEFER ADVISORY DECISIONS TO LATER SHIFTS. ALSO...THE STRONG ONSHORE
FLOW ALONG WITH THE LARGE AND ROUGH SURF CONDITIONS WILL LEAD TO A
FEW AREAS OF BEACH EROSION.
BLOWOUT TIDES...IN WAKE OF THE COLD FRONT WEDNESDAY NIGHT...THE
STRONG VEERING OF WINDS TO THE WEST COULD SUPPORT BLOW-OUT TIDE
WITH LEVELS DROPPING TO BETWEEN -1.0 AND -2.0 FT MLLW. LEVELS THIS
LOW COULD POSE A HAZARD TO NAVIGATION...ESPECIALLY IN THE MORE
SHALLOW AREAS.
&&
.CHS WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
SC...NONE.
MARINE...GALE WATCH FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING
FOR AMZ330-350-352.
GALE WATCH FROM LATE TONIGHT THROUGH LATE WEDNESDAY NIGHT FOR
AMZ374.
GALE WATCH FROM LATE TONIGHT THROUGH WEDNESDAY EVENING FOR
AMZ354.
&&
SYNOPSIS...
NEAR TERM...JRL
SHORT TERM...SPR/ST
LONG TERM...SPR
AVIATION...JRL
MARINE...SPR/ST
TIDES/COASTAL FLOODING...Hazardous weather outlook, Dec 25, 3:40 AM EST, 12 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHARLESTON SC 340 AM EST TUE DEC 25 2012 GAZ087-088-099>101-114>116-118-137-138-140-SCZ040-042>045-047-052- 260845- JENKINS-SCREVEN-CANDLER-BULLOCH-EFFINGHAM-TATTNALL-EVANS- INLAND BRYAN-INLAND CHATHAM-LONG-INLAND LIBERTY-INLAND MCINTOSH- ALLENDALE-HAMPTON-INLAND COLLETON-DORCHESTER-INLAND BERKELEY- INLAND JASPER-TIDAL BERKELEY- 340 AM EST TUE DEC 25 2012 ...SLIGHT RISK FOR SEVERE THUNDERSTORMS LATE TONIGHT INTO WEDNESDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. SEVERE WEATHER...AHEAD OF A STRONG COLD FRONT...A LINE OF THUNDERSTORMS IS EXPECTED TO ADVANCE INTO THE REGION LATE TONIGHT. INITIALLY...THUNDERSTORMS WILL MOST LIKELY IMPACT AREAS WELL WEST OF INTERSTATE 95 BEGINNING BETWEEN 4 AND 7 AM...THEN THUNDERSTORMS WILL CONTINUE TO MOVE QUICKLY TOWARD EAST. SOME THUNDERSTORMS ARE EXPECTED TO BECOME SEVERE WITH DAMAGING WIND GUSTS...AND ISOLATED TORNADOES WILL BE POSSIBLE. THE TIMING FOR SEVERE WEATHER REMAINS UNCERTAIN. YOU ARE URGED TO CHECK WITH NOAA WEATHER RADIO ALL HAZARDS OR LOCAL MEDIA OUTLETS FOR UPDATED INFORMATION REGARDING THIS SEVERE WEATHER EVENT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. SEVERE WEATHER...AHEAD OF A STRONG COLD FRONT...A LINE OF THUNDERSTORMS WILL CONTINUE TO RACE THROUGH THE REGION WEDNESDAY...MOST LIKELY DURING THE MORNING. SOME THUNDERSTORMS ARE EXPECTED TO BECOME SEVERE WITH DAMAGING WIND GUSTS...AND ISOLATED TORNADOES WILL BE POSSIBLE. THE TIMING FOR SEVERE WEATHER REMAINS UNCERTAIN. YOU ARE URGED TO CHECK WITH NOAA WEATHER RADIO ALL HAZARDS OR LOCAL MEDIA OUTLETS FOR UPDATED INFORMATION REGARDING THIS SEVERE WEATHER EVENT. STRONG WINDS...DEEP LOW PRESSURE WILL PASS WELL WEST AND NORTH OF THE AREA AND WILL PUSH A COLD FRONT THROUGH THE REGION WEDNESDAY. THESE FEATURES WILL PRODUCE STRONG AND GUSTY WINDS ACROSS THE REGION...INCLUDING LAKE MOULTRIE...WEDNESDAY INTO WEDNESDAY EVENING. WIND ADVISORIES COULD BE REQUIRED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS EXPECTED LATE TONIGHT INTO WEDNESDAY. GAZ117-119-139-141-SCZ048>051-260845- COASTAL BRYAN-COASTAL CHATHAM-COASTAL LIBERTY-COASTAL MCINTOSH- BEAUFORT-COASTAL COLLETON-CHARLESTON-COASTAL JASPER- 340 AM EST TUE DEC 25 2012 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...WEDNESDAY THROUGH MONDAY. SEVERE WEATHER...AHEAD OF A STRONG COLD FRONT...A LINE OF THUNDERSTORMS WILL RACE THROUGH THE REGION WEDNESDAY...MOST LIKELY PUSHING THROUGH COASTAL COUNTIES BY MID TO LATE MORNING. SOME THUNDERSTORMS ARE EXPECTED TO BECOME SEVERE WITH DAMAGING WIND GUSTS...AND ISOLATED TORNADOES WILL BE POSSIBLE. THE TIMING FOR SEVERE WEATHER REMAINS UNCERTAIN. YOU ARE URGED TO CHECK WITH NOAA WEATHER RADIO ALL HAZARDS OR LOCAL MEDIA OUTLETS FOR UPDATED INFORMATION REGARDING THIS SEVERE WEATHER EVENT. STRONG WINDS...DEEP LOW PRESSURE WILL PASS WELL WEST AND NORTH OF THE AREA AND WILL PUSH A COLD FRONT THROUGH THE REGION WEDNESDAY. THESE FEATURES WILL PRODUCE STRONG AND GUSTY WINDS ACROSS THE AREA WEDNESDAY INTO WEDNESDAY EVENING. WIND ADVISORIES COULD BE REQUIRED. HIGH SURF...BREAKERS COULD REACH 5 FEET AT THE BEACHES WEDNESDAY AND A HIGH SURF ADVISORY MAY BE REQUIRED. IN ADDITION...A FEW PLACES COULD ALSO EXPERIENCE EROSION WITH THE STRONG WINDS AND LARGER SURF. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS EXPECTED WEDNESDAY. AMZ330-350-352-260845- 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- 340 AM EST TUE DEC 25 2012 ...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. GALE WATCH. SEVERE WEATHER...AHEAD OF A STRONG COLD FRONT...A LINE OF THUNDERSTORMS WILL RACE THROUGH THE COASTAL WATERS WEDNESDAY...MOST LIKELY DURING THE LATE MORNING OR EARLY AFTERNOON HOURS. SOME THUNDERSTORMS ARE EXPECTED TO BECOME SEVERE WITH DAMAGING WIND GUSTS. THE TIMING FOR SEVERE WEATHER REMAINS UNCERTAIN. YOU ARE URGED TO CHECK WITH NOAA WEATHER RADIO ALL HAZARDS OR LOCAL MEDIA OUTLETS FOR UPDATED INFORMATION REGARDING THIS SEVERE WEATHER EVENT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS EXPECTED WEDNESDAY. AMZ354-260845- WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY- 340 AM EST TUE DEC 25 2012 ...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. GALE WATCH. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. GALE WATCH. SEVERE WEATHER...AHEAD OF A STRONG COLD FRONT...A LINE OF THUNDERSTORMS WILL RACE THROUGH THE COASTAL WATERS WEDNESDAY...MOST LIKELY DURING THE LATE MORNING OR EARLY AFTERNOON HOURS. SOME THUNDERSTORMS ARE EXPECTED TO BECOME SEVERE WITH DAMAGING WIND GUSTS. THE TIMING FOR SEVERE WEATHER REMAINS UNCERTAIN. YOU ARE URGED TO CHECK WITH NOAA WEATHER RADIO ALL HAZARDS OR LOCAL MEDIA OUTLETS FOR UPDATED INFORMATION REGARDING THIS SEVERE WEATHER EVENT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS EXPECTED WEDNESDAY. AMZ374-260845- WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 340 AM EST TUE DEC 25 2012 ...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH LATE WEDNESDAY NIGHT... THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. GALE WATCH. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. GALE WATCH. SEVERE WEATHER...AHEAD OF A STRONG COLD FRONT...A LINE OF THUNDERSTORMS WILL RACE THROUGH THE COASTAL WATERS WEDNESDAY...MOST LIKELY DURING THE LATE MORNING OR EARLY AFTERNOON HOURS. SOME THUNDERSTORMS ARE EXPECTED TO BECOME SEVERE WITH DAMAGING WIND GUSTS. THE TIMING FOR SEVERE WEATHER REMAINS UNCERTAIN. YOU ARE URGED TO CHECK WITH NOAA WEATHER RADIO ALL HAZARDS OR LOCAL MEDIA OUTLETS FOR UPDATED INFORMATION REGARDING THIS SEVERE WEATHER EVENT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS EXPECTED WEDNESDAY.
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 25, 3:38 AM EST | Gale Watch | CHS | 12 hr | |
| Dec 25, 5:22 AM EST | Dense Fog Advisory | CHS | Candler, Evans, Long, Tattnall | 5 hr |
| Dec 25, 7:37 AM EST | Marine Dense Fog Advisory | CHS | 2 hr | |
| Dec 25, 4:16 PM EST | Wind Advisory | CHS | Bulloch, Candler, Effingham, Evans, Jenkins, Long and 2 more | 32 hr |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.