Alert archive / Georgia / Gale Warnings in 2010
Gale Warning 7, NWS Charleston, SC
NWS Charleston, SC issued this gale warning at Feb 24, 2010, 3:50 PM EST. It was in force for 30 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
- Feb 24, 2010, 3:50 PM EST (20:50 UTC)
- Expired
- Feb 25, 2010, 10:08 PM EST
- In force
- 30 hr
- Issued by
- NWS Charleston, SC
The text
As transmitted, in the capitals the NWS used until 2016.
322 WHUS72 KCHS 242050 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 350 PM EST WED FEB 24 2010 AMZ374-250500- /O.UPG.KCHS.SC.Y.0013.100225T0000Z-100225T0600Z/ /O.UPG.KCHS.GL.A.0006.100225T0600Z-100226T0300Z/ /O.NEW.KCHS.GL.W.0007.100224T2050Z-100225T1600Z/ WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 350 PM EST WED FEB 24 2010 ...GALE WARNING IN EFFECT UNTIL 11 AM EST THURSDAY... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A GALE WARNING...WHICH IS IN EFFECT UNTIL 11 AM EST THURSDAY. THE SMALL CRAFT ADVISORY IS NO LONGER IN EFFECT. THE GALE WATCH IS NO LONGER IN EFFECT. WINDS WILL INCREASE TONIGHT FROM THE NORTHWEST BEHIND A STRONG COLD FRONT. GUSTS UP TO 40 KNOTS ARE POSSIBLE BEGINNING LATE TONIGHT AND CONTINUING THROUGH AT LEAST THURSDAY MORNING. SEAS WILL BUILD UP TO AROUND 8 FEET NEAR 60 NAUTICAL MILES FROM SHORE. 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. && $$ AMZ354-250500- /O.CON.KCHS.SC.Y.0013.100225T0300Z-100226T1600Z/ WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY- 350 PM EST WED FEB 24 2010 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EST FRIDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EST FRIDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ352-250500- /O.CON.KCHS.SC.Y.0013.100225T0600Z-100226T2200Z/ WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM- 350 PM EST WED FEB 24 2010 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM THURSDAY TO 5 PM EST FRIDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM THURSDAY TO 5 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. && $$ AMZ350-250500- /O.CON.KCHS.SC.Y.0013.100225T0600Z-100227T0300Z/ WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM- 350 PM EST WED FEB 24 2010 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM THURSDAY TO 10 PM EST FRIDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM THURSDAY TO 10 PM EST FRIDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ330-250500- /O.CON.KCHS.SC.Y.0013.100225T0900Z-100226T0300Z/ CHARLESTON HARBOR- 350 PM EST WED FEB 24 2010 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 10 PM EST THURSDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 10 PM EST THURSDAY. 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. && $$
5 follow-up statements
935 WHUS72 KCHS 250205 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 905 PM EST WED FEB 24 2010 AMZ354-251015- /O.EXA.KCHS.GL.W.0007.000000T0000Z-100225T1600Z/ /O.UPG.KCHS.SC.Y.0013.100225T0300Z-100226T1600Z/ WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY- 905 PM EST WED FEB 24 2010 ...GALE WARNING IN EFFECT UNTIL 11 AM EST THURSDAY... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A GALE WARNING...WHICH IS IN EFFECT UNTIL 11 AM EST THURSDAY. THE SMALL CRAFT ADVISORY IS NO LONGER IN EFFECT. A STRONG COLD FRONT WILL RACE THROUGH THE WATERS THIS EVENING FOLLOWED BY INCREASING NORTHWEST WINDS OVERNIGHT. FREQUENT GUSTS TO 35 KNOTS ARE EXPECTED LATE TONIGHT THEN CONTINUE INTO THURSDAY MORNING. ROUGH SEAS WILL BUILD TO AROUND 5 FEET NEAR 20 NAUTICAL MILES FROM SHORE. WAVES HEIGHTS WILL BE SLIGHTLY LOWER CLOSER TO SHORE. WIND GUSTS SHOULD DIMINISH BELOW GALE FORCE ON THURSDAY AFTERNOON...ALTHOUGH GUSTY CONDITIONS WILL PERSIST ALONG THE IMMEDIATE GEORGIA COAST DURING THURSDAY AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS SUSTAINED WINDS OR FREQUENT GUSTS OF 34 TO 47 KNOTS ARE EXPECTED. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ AMZ374-251015- /O.CON.KCHS.GL.W.0007.000000T0000Z-100225T1600Z/ WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 905 PM EST WED FEB 24 2010 ...GALE WARNING REMAINS IN EFFECT UNTIL 11 AM EST THURSDAY... A GALE WARNING REMAINS IN EFFECT UNTIL 11 AM EST THURSDAY. WINDS WILL INCREASE TONIGHT FROM THE NORTHWEST BEHIND A STRONG COLD FRONT. GUSTS UP TO 40 KNOTS ARE POSSIBLE BEGINNING LATE TONIGHT AND CONTINUING THROUGH AT LEAST THURSDAY MORNING. SEAS WILL BUILD UP TO AROUND 8 FEET NEAR 60 NAUTICAL MILES FROM SHORE. 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. && $$ AMZ352-251015- /O.EXT.KCHS.SC.Y.0013.100225T0205Z-100226T2200Z/ WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM- 905 PM EST WED FEB 24 2010 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EST FRIDAY... THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 5 PM EST FRIDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ350-251015- /O.EXT.KCHS.SC.Y.0013.100225T0205Z-100227T0300Z/ WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM- 905 PM EST WED FEB 24 2010 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EST FRIDAY... THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 10 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. && $$ AMZ330-251015- /O.EXT.KCHS.SC.Y.0013.100225T0205Z-100226T0300Z/ CHARLESTON HARBOR- 905 PM EST WED FEB 24 2010 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EST THURSDAY... THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 10 PM EST THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$
059 WHUS72 KCHS 250809 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 309 AM EST THU FEB 25 2010 AMZ374-251730- /O.EXT.KCHS.GL.W.0007.000000T0000Z-100226T0400Z/ WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 309 AM EST THU FEB 25 2010 ...GALE WARNING NOW IN EFFECT UNTIL 11 PM EST THIS EVENING... THE GALE WARNING IS NOW IN EFFECT UNTIL 11 PM EST THIS EVENING. GALE FORCE WINDS WILL CONTINUE THROUGH THIS EVENING ACROSS THE WATERS BEYOND 20 NAUTICAL MILES FROM SHORE. GUSTS UP TO 40 KNOTS ARE POSSIBLE WHILE SEAS BUILD UP TO AROUND 8 FEET NEAR 60 NAUTICAL MILES FROM SHORE. 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. && $$ AMZ354-251600- /O.CON.KCHS.GL.W.0007.000000T0000Z-100225T1600Z/ WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY- 309 AM EST THU FEB 25 2010 ...GALE WARNING REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING... A GALE WARNING REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING. GALE FORCE WINDS WILL CONTINUE THROUGH THIS MORNING ACROSS THE WATERS BEYOND 15 NAUTICAL MILES FROM SHORE. GUSTS TO 35 KNOTS ARE EXPECTED WHILE SEAS BUILD TO AROUND 6 FEET NEAR 20 NAUTICAL MILES FROM SHORE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS SUSTAINED WINDS OR FREQUENT GUSTS OF 34 TO 47 KNOTS ARE EXPECTED. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ AMZ350-251730- /O.EXT.KCHS.SC.Y.0013.000000T0000Z-100227T1000Z/ WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM- 309 AM EST THU FEB 25 2010 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 AM EST SATURDAY... THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 5 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. && $$ AMZ330-251730- /O.EXT.KCHS.SC.Y.0013.000000T0000Z-100226T2200Z/ CHARLESTON HARBOR- 309 AM EST THU FEB 25 2010 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EST FRIDAY... THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 5 PM EST FRIDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ352-251730- /O.CON.KCHS.SC.Y.0013.000000T0000Z-100226T2200Z/ WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM- 309 AM EST THU FEB 25 2010 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST FRIDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 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. && $$
148 WHUS72 KCHS 251434 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 934 AM EST THU FEB 25 2010 AMZ354-252230- /O.CAN.KCHS.GL.W.0007.000000T0000Z-100225T1600Z/ /O.EXA.KCHS.SC.Y.0013.000000T0000Z-100226T2200Z/ WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY- 934 AM EST THU FEB 25 2010 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EST FRIDAY... ...GALE WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A SMALL CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM EST FRIDAY. THE GALE WARNING HAS BEEN CANCELLED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ374-252230- /O.CON.KCHS.GL.W.0007.000000T0000Z-100226T0400Z/ WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 934 AM EST THU FEB 25 2010 ...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EST THIS EVENING... A GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EST THIS EVENING. GALE FORCE WINDS WILL CONTINUE THROUGH THIS EVENING ACROSS THE WATERS BEYOND 20 NAUTICAL MILES FROM SHORE. GUSTS UP TO 40 KNOTS ARE POSSIBLE WHILE SEAS BUILD UP TO AROUND 8 FEET NEAR 60 NAUTICAL MILES FROM SHORE. 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. && $$ AMZ352-252230- /O.CON.KCHS.SC.Y.0013.000000T0000Z-100226T2200Z/ WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM- 934 AM EST THU FEB 25 2010 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST FRIDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST FRIDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ350-252230- /O.CON.KCHS.SC.Y.0013.000000T0000Z-100227T1000Z/ WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM- 934 AM EST THU FEB 25 2010 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST SATURDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 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. && $$ AMZ330-252230- /O.CON.KCHS.SC.Y.0013.000000T0000Z-100226T2200Z/ CHARLESTON HARBOR- 934 AM EST THU FEB 25 2010 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST FRIDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST FRIDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$
693 WHUS72 KCHS 252035 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 335 PM EST THU FEB 25 2010 AMZ374-260400- /O.CON.KCHS.GL.W.0007.000000T0000Z-100226T0400Z/ WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 335 PM EST THU FEB 25 2010 ...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EST THIS EVENING... A GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EST THIS EVENING. GALE FORCE WINDS WILL CONTINUE THROUGH THIS EVENING ACROSS THE WATERS BEYOND 20 NAUTICAL MILES FROM SHORE. GUSTS UP TO 40 KNOTS ARE POSSIBLE WHILE SEAS COULD BE AS HIGH AS 8 FEET ACROSS FAR OUTER PORTIONS. IMPROVING CONDITIONS EXPECTED OVERNIGHT ALTHOUGH SMALL CRAFT ADVISORY CONDITIONS WILL THEN PERSIST THROUGH MUCH OF THE UPCOMING WEEKEND. 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. && $$ AMZ352-354-260500- /O.CON.KCHS.SC.Y.0013.000000T0000Z-100226T2200Z/ WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM- WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY- 335 PM EST THU FEB 25 2010 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST FRIDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST FRIDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ350-260500- /O.CON.KCHS.SC.Y.0013.000000T0000Z-100227T1000Z/ WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM- 335 PM EST THU FEB 25 2010 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST SATURDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 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. && $$ AMZ330-260500- /O.CON.KCHS.SC.Y.0013.000000T0000Z-100226T2200Z/ CHARLESTON HARBOR- 335 PM EST THU FEB 25 2010 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST FRIDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST FRIDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$
452 WHUS72 KCHS 260308 MWWCHS URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 1008 PM EST THU FEB 25 2010 AMZ374-261000- /O.CAN.KCHS.GL.W.0007.000000T0000Z-100226T0400Z/ /O.EXA.KCHS.SC.Y.0013.000000T0000Z-100227T1000Z/ WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 1008 PM EST THU FEB 25 2010 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST SATURDAY... ...GALE WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A SMALL CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL 5 AM EST SATURDAY. 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. && $$ AMZ352-354-261000- /O.CON.KCHS.SC.Y.0013.000000T0000Z-100226T2200Z/ WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM- WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY- 1008 PM EST THU FEB 25 2010 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST FRIDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST FRIDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ AMZ350-261000- /O.CON.KCHS.SC.Y.0013.000000T0000Z-100227T1000Z/ WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM- 1008 PM EST THU FEB 25 2010 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST SATURDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 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. && $$ AMZ330-261000- /O.CON.KCHS.SC.Y.0013.000000T0000Z-100226T2200Z/ CHARLESTON HARBOR- 1008 PM EST THU FEB 25 2010 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST FRIDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST FRIDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT EITHER WIND SPEEDS OF 20 TO 33 KNOTS...SEAS OF 6 FT OR GREATER OVER THE ATLANTIC...OR A COMBINATION OF THE TWO ARE EXPECTED TO PRODUCE HAZARDOUS NAVIGATING CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS... ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$
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 Feb 24, 12:45 PM EST, 3 hours 5 minutes earlier.
Area forecast discussion, Feb 24, 12:45 PM EST, 3 hours 5 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON SC
1245 PM EST WED FEB 24 2010
.SYNOPSIS...
A COLD FRONT WILL PASS THROUGH THE AREA THIS EVENING...FOLLOWED
BY COLD HIGH PRESSURE THURSDAY THROUGH FRIDAY. A LOW PRESSURE
SYSTEM WILL MOVE ACROSS THE GULF OF MEXICO AND INTO THE SOUTHWEST
ATLANTIC SATURDAY...FOLLOWED BY HIGH PRESSURE EARLY NEXT WEEK.
ANOTHER LOW PRESSURE SYSTEM WILL PASS SOUTH AND SOUTHEAST OF THE
AREA TUESDAY...BEFORE MOVING AWAY FROM THE AREA WEDNESDAY.
&&
.NEAR TERM /UNTIL 6 PM THIS EVENING/...
CLOUDS ARE INCREASING FROM THE WEST AS A COLD FRONT MAKES ITS WAY
INTO EASTERN GEORGIA AND COASTAL SOUTH CAROLINA. THIS FRONT WILL
SWEEP OFF THE COAST DURING THE AFTERNOON WITH COLD AIR FROM THE
PLAINS STATES (BY WAY OF ALABAMA AND GEORGIA) BUILDING ACROSS THE
AREA TONIGHT.
SATELLITE SHOWS A NARROW ZONE OF CLEAR SKIES ALONG THE COAST WHICH
SHOULD FILL IN WITH CLOUDS WITHIN THE NEXT HOUR. THESE MID-LEVEL
CLOUDS (10K-15K FT) WILL GRADUALLY LOWER OVER THE NEXT 3-4 HOURS AND
PATCHES OF LIGHT RAIN IS EXPECTED TO DEVELOP BY MID TO LATE
AFTERNOON. WE HAVE LOWERED PROBABILITIES OF RAIN INLAND ONLY
SLIGHTLY BASED ON AN ANEMIC- LOOKING RADAR COMPOSITE BACK ACROSS
SOUTHERN ALABAMA AND SOUTHWESTERN GEORGIA...BUT STILL EXPECT ABOUT
A 60% CHANCE OF MEASURABLE RAIN OCCURRING. RAIN WILL MAKE ITS WAY
OFF THE COAST DURING THE EARLY EVENING HOURS...WITH CLEARING SKIES
AND CHILLY WEST WINDS EXPECTED OVERNIGHT.
HIGHS TODAY WILL LIKELY BE ACHIEVED BETWEEN NOW AND ABOUT 1
PM...WITH STEADY TO SLOWLY FALLING TEMPS DURING THE AFTERNOON
COURTESY OF THE DEVELOPING COLD ADVECTION AND INCREASING CHANCES
OF RAIN. NO CHANGES HAVE BEEN MADE TO MAX OR MIN TEMPERATURES
TODAY OR TONIGHT.
&&
.SHORT TERM /6 PM THIS EVENING THROUGH FRIDAY NIGHT/...
AS THE COLD FRONT PUSHES OFFSHORE THIS EVENING...STRONG COLD AIR
ADVECT ON WILL BEGIN. A STRONG WNW FLOW WILL ALLOW TEMPERATURES TO
DROP QUICKLY OVERNIGHT AS THE CLEARING BEGINS FROM SOUTHWEST TO
NORTHEAST. OF MINOR CONCERN IS THE COLD AIR CATCHING UP TO THE
DEPARTING RAIN ACROSS BERKELEY AND NORTHERN CHARLESTON COUNTIES.
AT THIS POINT WE EXPECT THE PRECIPITATION TO REMAIN IN LIQUID FORM
BUT WILL HAVE TO WATCH THIS CLOSELY AS WE WOULD NOT BE SURPRISED TO
SEE SOME LIGHT FROZEN PRECIPITATION DEVELOPING DOWNWIND OF LAKE
MOULTRIE AS VERY COLD AIR POURS IN OVER THE RELATIVELY WARMER LAKE
WATERS. LOWS SHOULD REACH FREEZING OR BELOW FOR MOST OF THE
FORECAST AREA AWAY FROM THE BEACHES.
A BLOCKING RIDGE BOTH SURFACE AND ALOFT WILL PERSIST OVER THE
EASTERN CANADIAN MARITIMES LATE THIS WEEK...WHILE A CUT OFF LOW
MOVES THROUGH THE VIRGINIAS THURSDAY...AND THEN OVER OR NEAR NJ AND
LONG ISLAND THURSDAY NIGHT AND FRIDAY. AN INTENSE ASSOCIATED SURFACE
LOW WILL DEEPEN CONSIDERABLY IN ASSOCIATION WITH THE CUT OFF
LOW...AND WILL BE FOUND OVER OR NEAR THE NE PART OF THE U.S. DURING
THIS TIME. WITH THIS BLOCKING PATTERN...SURFACE HIGH PRESSURE
CENTERED ACROSS THE PLAINS AND MS RIVER VALLEY WILL STRUGGLE TO
SHIFT EASTWARD...KEEPING A CYCLONIC FLOW ACROSS THE LOCAL AREA INTO
FRIDAY NIGHT. THIS WILL RESULT IN A NOTICEABLY COLDER AND DRIER AIR
MASS THAT WILL OVERSPREAD THE AREA.
THURSDAY WILL BE A WINDY AND COLD DAY...WITH THICKNESS AND 850 MB
TEMPS AS COLD AS -7C SOUTH TO -10C NORTH TO SUPPORT MAX TEMPS NO
MORE THAN 45-50. DESPITE PLENTY OF SUNSHINE AND DOWNSLOPE FLOW...THE
STRENGTH OF THE COLD AIR ADVECTION WILL BE ENOUGH TO KEEP TEMPS FAR
BELOW SEASONAL LEVELS. DEEP MIXING AND A TIGHT PRESSURE GRADIENT
WILL PRODUCE WEST AND NW WINDS OF 20 TO 30 MPH AND GUSTY DURING THE
LATE MORNING AND AFTERNOON HOURS. CONDITIONS WILL BE CLOSE TO WIND
ADVISORY CRITERIA...BUT PROBABILITIES DO NOT JUSTIFY AT THIS TIME.
THURSDAY NIGHT...WITH THE CENTER OF SURFACE HIGH PRESSURE SO FAR TO
THE WEST...GEOSTROPHIC WINDS WILL REMAIN AT LEAST AS HIGH AS 20-25
KT. THIS WILL KEEP ENOUGH OF A BREEZE GOING THROUGH THE NIGHT TO
PREVENT TEMPS FROM GETTING AS COLD AS THEY WOULD BE THERE WERE
LIGHTER WINDS. BUT STILL...FREEZING TEMPS WILL OCCUR JUST ABOUT
EVERYWHERE WEST OF THE INTRACOASTAL...WITH 32-34 DEGREES ALONG THE
IMMEDIATE COASTAL LOCATIONS. HOWEVER...WITH WINDS NEVER FULLY
DECOUPLING THE RESULTING WIND CHILL VALUES WILL BE AS LOW AS UPPER
TEENS AND LOWER 20S BY DAYBREAK FRIDAY.
FRIDAY...THERE IS SOME INCREASE IN HEIGHTS ALOFT AND A NOTICEABLE
INCREASE IN 850 MB TEMPS...AS THEY CLIMB TO ABOVE ZERO IN MANY AREAS
EXCEPT THE FAR NORTH. IT WILL BE A BATTLE BETWEEN THE DOWNSLOPE FLOW
AND FULL SUNSHINE AGAINST THE COLD START AND COLD LOW LEVEL
THICKNESS TO SEE HOW WARM TEMPS ARE ABLE TO ACHIEVE. THUS WE WILL
HOLD TEMPS IN THE MID AND UPPER 50S...AGAIN BELOW SEASONAL NORMALS.
DEEP MIXING WILL RESULT IN BREEZY CONDITIONS...AS WESTERLY WINDS
REACH BETWEEN 15 AND 25 MPH.
FRIDAY NIGHT...A SHORT WAVE NOW ALONG THE COAST OF CALIFORNIA WILL
MOVE INTO THE NORTHERN GULF OF MEXICO AND GENERATE SURFACE LOW
PRESSURE AS IT TRACKS STEADILY EASTWARD. SOME HIGH LEVEL MOISTURE
AHEAD OF THIS SYSTEM AND ALSO IN ASSOCIATION WITH A WEAK SHORT WAVE
ROTATING AROUND THE CUT OFF LOW TO THE DISTANT NORTH WILL SPREAD
INTO THE AREA. THIS ALONG WITH GEOSTROPHIC WINDS REMAINING ELEVATED
AND PREVENTING FULL DECOUPLING...WE WILL SEE MIN TEMPS A COUPLE OF
DEGREES HIGHER THAN THE PREVIOUS NIGHT.
LAKE WINDS...STRONG COLD AIR ADVECTION MOVING ACROSS LAKE MOULTRIE
THURSDAY AND THURSDAY EVENING WILL ALLOW FOR WINDS AS HIGH AS 20-25
KT AND GUSTY. THUS WE HAVE ISSUED A LAKE WIND ADVISORY WITH A HIGH
CONFIDENCE AND HIGH PROBABILITY FORECAST. LAKE WIND CONDITIONS COULD
CERTAINLY PERSIST THROUGH THURSDAY NIGHT INTO FRIDAY...BUT
CONDITIONS APPEAR TOO MARGINAL AT THIS TIME TO EXTEND ANY FURTHER
THAN 10 PM THURSDAY EVENING.
&&
.LONG TERM /SATURDAY THROUGH TUESDAY/...
SATURDAY...AFOREMENTIONED SHORT WAVE WILL MOVE THROUGH NORTH
FL/SOUTH GA AND INTO THE SW ATLANTIC. ITS ASSOCIATED SURFACE LOW
WILL TRACK ACROSS FLORIDA...WITH THE DEEPEST MOISTURE TO BE FOUND
SOUTH OF THE FORECAST AREA. DEPENDENT UPON THE EXACT TRACK...THE
LATEST CONSENSUS IS THAT THE BULK OF THE PRECIP...IN THE FORM OF
LIGHT RAINS WILL REMAIN SOUTH OF THE REGION. WE WILL TRIM BACK POPS
FROM THE PREVIOUS FORECAST ABOUT 5-10 PERCENT...KEEPING SLIGHT
CHANCE POPS EVERYWHERE...BUT WITH HIGHEST VALUES TO THE SOUTH. TEMPS
WILL REMAIN BELOW NORMAL.
SUNDAY...SOUTHERN STREAM SHORT WAVE PULLS AWAY TO THE EAST. AS
SURFACE AND CUT OFF LOW IN THE NE BEGIN TO SHIFT EAST IT WILL ALLOW
FOR HIGH PRESSURE BOTH SURFACE AND ALOFT TO BUILD FROM THE WEST AND
NW. THE END RESULT WILL BE A DRY BUT COOL DAY.
MONDAY...RIDGING ALOFT WILL PREVAIL ACROSS THE REGION WITH WEAK HIGH
PRESSURE IN PLACE. TEMPS MAY REACH NEAR 60 IN SOME
AREAS...ESPECIALLY SOUTH.
TUESDAY...ANOTHER SHORT WAVE...NOW IN THE PACIFIC OCEAN WILL PRODUCE
A STRONGER SURFACE LOW AS IT MOVES ACROSS THE GULF OF MEXICO INTO
THE SW ATLANTIC. THIS SYSTEM MAY WIND UP BEING FURTHER NORTH THAN
THE SYSTEM SATURDAY...ALLOWING FOR DEEPER MOISTURE TO PERHAPS REACH
THE REGION. THUS WE WILL SHOW CHANCE POPS...HIGHEST SOUTH.
TUESDAY NIGHT AND WEDNESDAY...BIG QUESTIONS REGARDING HOW MUCH
MOISTURE AND HOW MUCH COLD AIR IS IN PLACE. BUT GIVEN THAT THIS
FORECAST IS SO FAR IN ADVANCE...WE HAVE SHOWN ONLY LIQUID PRECIP.
&&
.AVIATION /18Z WEDNESDAY THROUGH MONDAY/...
A SHORTWAVE WILL MOVE THROUGH THE AREA THIS EVENING...DRAGGING A
WEAK FRONT THROUGH THE REGION AND A THIN BAND OF RAIN. PRECIPITATION
HAS BEEN LAGGING SLIGHTLY FROM EARLIER...SO WE HAVE ADJUSTED
TIMING FOR RAIN AT THE TERMINALS TO LATE AFTERNOON/EARLY EVENING.
ONLY A BRIEF PERIOD OF MVFR CEILINGS EXPECTED WITH THE FRONT.
AFTER THE PASSAGE...CLEARING SKIES EXPECTED WITH VFR CONDITIONS.
DESPITE 2 KFT WINDS INCREASING TO NEAR 40 KT LATE...WE DID NOT
INCLUDE WIND SHEAR AT EITHER SITE AS WE EXPECT THE BOUNDARY LAYER
TO REMAIN SUFFICIENTLY MIXED TO AVOID ANY SHARP CHANGES IN
SPEED/DIRECTION WITH HEIGHT. THE NEXT ISSUE OF SIGNIFICANCE WILL
BE GUSTY WINDS ON THURSDAY. INCLUDED BREEZY CONDITIONS AT BOTH
TERMINALS FOR THE DAYTIME PERIOD.
EXTENDED AVIATION OUTLOOK...VFR CONDITIONS WILL PREVAIL THROUGH
FRIDAY NIGHT...WITH A CHANCE OF A FEW HOURS OF MVFR CONDITIONS ON
SATURDAY MAINLY AT KSAV AS THE NEXT SOUTHERN LOW PRESSURE SYSTEM
PASSES BY TO THE SOUTH. VFR WEATHER WILL RETURN FOR SATURDAY
NIGHT AND SUNDAY.
&&
.MARINE...
TODAY AND TONIGHT...A COLD FRONT ACROSS INLAND EASTERN GEORGIA
AND SOUTH CAROLINA WILL MOVE OUT ACROSS THE COASTAL WATERS DURING
THE MID TO LATE AFTERNOON. LIGHT WEST FLOW (5-10 KT) AHEAD OF THIS
FRONT WILL INCREASE TO AROUND 15 KT BEFORE SUNSET...THEN INCREASE
FURTHER TONIGHT. CONDITIONS WILL GO DOWNHILL QUICKLY THIS EVENING
AS LOW PRES DEVELOPS OFFSHORE AND STRENGTHENS. SMALL CRAFT
ADVISORIES ARE IN EFFECT BEGINNING THIS EVENING BEYOND 20 NM AND
CLOSER TO MIDNIGHT WITHIN 20 NM. GUSTS TO 35 KT ARE POSSIBLE
BEYOND 20 NM AND THUS A GALE WATCH HAS BEEN POSTED FOR THE
OFFSHORE GA WATERS. HOWEVER...WOULD NOT BE SURPRISED TO SEE GALE
FORCE GUSTS JUST WITHIN THE NEARSHORE WATERS.
A STRONG WIND EVENT WILL IMPACT THE COASTAL WATERS THURSDAY INTO
THURSDAY NIGHT...WITH SOLID SCA/S AND POSSIBLE GALES TO OCCUR.
GEOSTROPHIC WINDS ARE AS HIGH AS 40-45 KT THURSDAY...AND BEST CHANCE
OF GALES LOOKS TO BE ACROSS AMZ374 AND PERHAPS AMZ350 WHERE WATER
TEMPS ARE THE WARMEST. HOWEVER...CONFIDENCE/PROBABILITIES ARE ONLY
HIGH ENOUGH ACROSS THE OUTER GA WATERS TO CARRY A GALE WATCH FOR
THURSDAY INTO THURSDAY NIGHT. HOWEVER...WITH AT LEAST MODERATE
STRENGTH COLD AIR ADVECTION AND A TIGHT PRESSURE GRADIENT IN
RESPONSE TO STRONG LOW PRESSURE SOUTH OF NEW ENGLAND...THERE MAY BE
A NEED FOR ADDITIONAL GALE WATCHES AND/OR UPGRADES TO A GALE WARNING
AT A LATER TIME. SEAS WILL BE LIMITED SOMEWHAT BY THE OFFSHORE
FETCH...BUT WILL STILL REACH 5 OR 6 FT WITHIN 20 NM OF THE
COAST...AND PERHAPS UP TO 9 OR 10 FT ACROSS THE OUTERMOST WATERS OF
AMZ374.
CONDITIONS WILL IMPROVE SOMEWHAT ON FRIDAY OVER THE ATLANTIC AS
GEOSTROPHIC WIND FALL TO 30-35 KT OR LESS...AND COLD AIR ADVECTION
WEAKENS. HOWEVER...SCA/S STILL SEEM LIKELY OVER ALL
WATERS...INCLUDING CHARLESTON HARBOR AS DEEP MIXING WILL PERSIST.
A MORE SIGNIFICANT IMPROVEMENT WILL AFFECT THE WATERS SATURDAY AND
SUNDAY...AS HIGH PRESSURE ATTEMPTS TO NOSE IN FROM THE NW AND
CYCLONIC FLOW AROUND THE DEEP NE LOW EVENTUALLY BEGINS TO PULL FAR
ENOUGH AWAY. A SOUTHERN STREAM LOW PRESSURE SYSTEM MOVING THROUGH
THE GULF AND INTO THE SW ATLANTIC AT PRESENT LOOKS TO REMAIN FAR
ENOUGH SOUTH NOT TO DIRECTLY IMPACT THE LOCAL WATERS.
&&
.FIRE WEATHER...
RED FLAG CONDITIONS APPEAR POSSIBLE ON THURSDAY...AS VERY DRY AND
WINDY CONDITIONS OVERSPREAD THE AREA FOLLOWING THE PASSAGE OF AN
ARCTIC COLD FRONT LATE WEDNESDAY. RELATIVE HUMIDITY IS FORECAST TO
REACH CRITICAL VALUES IN MANY LOCATIONS DURING THE AFTERNOON ON
THURSDAY...WITH NORTHWEST WINDS OF 20-25 MPH AND GUSTS UP AS HIGH AS
35 MPH AT TIMES. WE WILL HIGHLIGHT THE POTENTIAL FOR RED FLAG
CONDITIONS IN THE FIRE WEATHER PLANNING FORECAST AND IN THE
HAZARDOUS WEATHER OUTLOOK.
RH VALUES WILL BE NEAR OR BELOW CRITICAL LEVELS ON FRIDAY...AND
WHILE WINDS WILL BE LESS THAN ON THURSDAY...WEST AND NW WINDS WILL
STILL BE AS HIGH AS 15 TO 25 MPH.
&&
.CHS WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
SC...LAKE WIND ADVISORY FROM 4 AM TO 10 PM EST THURSDAY FOR SCZ045.
MARINE...SMALL CRAFT ADVISORY FROM 1 AM THURSDAY TO 5 PM EST FRIDAY FOR
AMZ352.
SMALL CRAFT ADVISORY FROM 1 AM THURSDAY TO 10 PM EST FRIDAY
FOR AMZ350.
SMALL CRAFT ADVISORY FROM 10 PM THIS EVENING TO 11 AM EST
FRIDAY FOR AMZ354.
GALE WATCH FROM LATE TONIGHT THROUGH THURSDAY EVENING FOR
AMZ374.
SMALL CRAFT ADVISORY FROM 7 PM THIS EVENING TO 1 AM EST
THURSDAY FOR AMZ374.
SMALL CRAFT ADVISORY FROM 4 AM TO 10 PM EST THURSDAY FOR
AMZ330.
&&
JRLHazardous weather outlook, Feb 24, 4:27 AM EST, 11 hours 23 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHARLESTON SC 427 AM EST WED FEB 24 2010 GAZ087-088-099>101-114>119-137>141-SCZ040-042>044-047>051-250930- JENKINS-SCREVEN-CANDLER-BULLOCH-EFFINGHAM-TATTNALL-EVANS- INLAND BRYAN-COASTAL BRYAN-INLAND CHATHAM-COASTAL CHATHAM-LONG- INLAND LIBERTY-COASTAL LIBERTY-INLAND MCINTOSH-COASTAL MCINTOSH- ALLENDALE-HAMPTON-INLAND COLLETON-DORCHESTER-INLAND JASPER-BEAUFORT- COASTAL COLLETON-CHARLESTON-COASTAL JASPER- 427 AM EST WED FEB 24 2010 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...THURSDAY THROUGH TUESDAY. FIRE WEATHER...RED FLAG CONDITIONS APPEAR POSSIBLE ON THURSDAY...AS VERY DRY AND WINDY CONDITIONS OVERSPREAD THE AREA FOLLOWING THE PASSAGE OF AN ARCTIC COLD FRONT LATE WEDNESDAY. RELATIVE HUMIDITY IS FORECAST TO REACH NEAR OR BELOW CRITICAL VALUES DURING THE AFTERNOON ON THURSDAY...WITH WEST AND NORTHWEST WINDS OF 20 TO 25 MPH AND GUSTS UP AS HIGH AS 30 TO 35 MPH AT TIMES. IF FUELS DRY SUFFICIENTLY...AND FOLLOWING COORDINATION WITH FORESTRY OFFICIALS...A FIRE WEATHER WATCH AND RED FLAG WARNING MAY EVENTUALLY BE NEEDED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. SCZ045-250930- BERKELEY- 427 AM EST WED FEB 24 2010 ...LAKE WIND ADVISORY IN EFFECT FROM 4 AM TO 10 PM EST THURSDAY FOR LAKE MOULTRIE... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH CAROLINA. .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. LAKE WIND ADVISORY. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. LAKE WIND ADVISORY. FIRE WEATHER...RED FLAG CONDITIONS APPEAR POSSIBLE ON THURSDAY...AS VERY DRY AND WINDY CONDITIONS OVERSPREAD THE AREA FOLLOWING THE PASSAGE OF AN ARCTIC COLD FRONT LATE WEDNESDAY. RELATIVE HUMIDITY IS FORECAST TO REACH NEAR OR BELOW CRITICAL VALUES DURING THE AFTERNOON ON THURSDAY...WITH WEST AND NORTHWEST WINDS OF 20 TO 25 MPH AND GUSTS UP AS HIGH AS 30 TO 35 MPH AT TIMES. IF FUELS DRY SUFFICIENTLY...AND FOLLOWING COORDINATION WITH FORESTRY OFFICIALS...A FIRE WEATHER WATCH AND RED FLAG WARNING MAY EVENTUALLY BE NEEDED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. AMZ330-350-352-354-250930- 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- 427 AM EST WED FEB 24 2010 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...THURSDAY THROUGH TUESDAY. GALES...A POTENT COLD FRONT WILL PUSH THROUGH THE COASTAL WATERS TONIGHT. AS STRONG LOW PRESSURE DEEPENS SOUTH OF NEW ENGLAND THURSDAY AND THURSDAY NIGHT...STRONG AND GUSTY NORTHWEST WINDS MAY INCREASE IN FREQUENT GUSTS TO GALE FORCE THURSDAY AND THURSDAY EVENING OVER PORTIONS OF THE SOUTHERN SOUTH CAROLINA AND NORTHERN GEORGIA COASTAL WATERS. AS A RESULT...GALE WATCHES AND WARNINGS MAY EVENTUALLY BE NEEDED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. AMZ374-250930- WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 427 AM EST WED FEB 24 2010 ...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY 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...THURSDAY THROUGH TUESDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. GALE WATCH. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. 33
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 2:57 AM EST | Gale Watch | CHS | 13 hr | |
| Feb 24, 3:02 AM EST | Lake Wind Advisory | CHS | Berkeley | 65 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.