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SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 22, APRIL 2024.

NATIONAL WEATHER SERVICE (NWS)

SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS

PART 1 GALE WARNING:

458/2024 STRONG BARIC GRADIENT ON EREBUS Y TERROR GULF MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SW GUST WITH 9 INTENSITY IN 62S-66S 50W-58W UNTIL 23/1900

459/2024 STRONG BARIC GRADIENT ON NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W GUST WITH 10 INTENSITY IN 61S-68S 70W-90W UNTIL 23/1800

460/2024 STRONG BARIC GRADIENT ON SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SW GUST WITH 9 INTENSITY IN 60S-63S 58W-70W FROM 22/1800 UNTIL 23/0300

461/2024 STRONG BARIC GRADIENT ON NORTHERN WEDDELL SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SE GUST WITH 9 INTENSITY IN 65S-68S 30W-38W FROM 22/1200 UNTIL 23/2300

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 967HPA 68S 50W MOV E DPN

LOW 980HPA 68S 71W MOV SE DPN

RIDGE 60S 85W 65S 82W 68S 80W MOV E INTSF

211400 UTC 1.SEA ICE LIMIT 6809S 02000W 6615S 02253W 6600S 03145W 6525S 03816W 6218S 03707W 6144S 04303W 6101S 04733W 6113S 05254W 6238S 05451W 6304S 05905W 6355S 06418W 6526S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5908S 04428W 40X32NM D28A 5220S 02546W 16X13NM A78 5827S 02604W 18X4NM D29C 5413S 03141W 12X5NM D31 5634S 03002W 10X3NM D20A 6149S 04227W 13X6NM A74B 6231S 05402W 11X5NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5811S 02316W 5X2NM ICEBERG2 6117S 03644W 10X1NM ICEBERG3 6001S 03622W 5X2NM ICEBERG4 6039S 04000W 4X2NM ICEBERG5 6128S 04658W 4X2NM ICEBERG6 5727S 02414W 4X1NM ICEBERG7 5922S 04041W 4X3NM ICEBERG8 5136S 03050W 3X1NM ICEBERG9 5056S 03036W 3X1NM ICEBERG10 5145S 03041W 4X1NM ICEBERG11 5126S 03047W 3X1NM ICEBERG12 5153S 02921W 4X3NM ICEBERG13 5154S 02918W 5X2NM ICEBERG14 5151S 02929W 2X1NM ICEBERG15 5042S 03049W 3X2NM ICEBERG16 5810S 02635W 4X2NM ICEBERG17 5853S 02611W 3X1NM 4.ICEBERGS AREA A: 7020S 02000W 4700S 02000W 4500S 02900W 6200S 04100W B: 6200S 04100W 4800S 03030W 4900S 04600W 6314S 05716W C: 5600S 05030W 5600S 06100W 5900S 06716W 6900S 06716W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2024-04-23

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 7/8 GUST WITH 9 INTENSITY VEER SECTOR W 7/5 BY 22/2200 INCR 8 BY 23/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER VIS POOR TO MODERATE

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 7/9 WITH GUSTS DECR 6/5 WITH GUSTS BY 22/1500 AFTERWARDS SW 8 WITH GUSTS BY 23/0300 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS MODERATE TO POOR OCNL VERY POOR

MAR DE LA FLOTA COASTS W OF 60W: SW 7/8 WITH GUSTS VEER SECTOR W 7/5 BY 22/2200 INCR 8 WITH GUSTS BY 23/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER VIS POOR TO MODERATE

MAR DE LA FLOTA COASTS REST OF THE AREA: SW 7/5 GUST WITH 8 INTENSITY PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS MODERATE TO POOR

GERLACHE STRAIT : SW 5/6 WITH GUSTS DECR 5/4 BY 22/1500 PROB OF MIST PROB OFISOL SNOW FALL IMPR GRADUALLY TOWARDS NOON VIS MODERATE TO POOR

MARGARITA BAY : NW 4/3 VEER NE 4 BY 23/0000 PROB OF MIST VIS MODERATE TO GOOD

EREBUS Y TERROR GULF : SW 7/9 WITH GUSTS DECR 7 BY 23/0900 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD COASTAL BLIZZARD VIS MODERATE TO VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA W OF 80W: SECTOR W 7/8 GUST WITH 8 INTENSITY VEER NW 8 WITH GUSTS BY 23/0300 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR GRADUALLY TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 7/9 WITH GUSTS DECR 7 WITH GUSTS BY 23/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 4 VEER NE 5/4 BY 22/2100 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR GRADUALLY STARTING NIGTH VIS MODERATE TO POOR OCNL VERY POOR

NORTHERN WEDDELL SEA W OF 40W: SECTOR W 5/6 BACK SW 5/4 BY 23/0000 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE OCNL VERY POOR

NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR S 5/7 WITH GUSTS VEER SECTOR W 6/8 WITH GUSTS BY 23/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4/5 BACK SECTOR E 4 BY 23/0000 VIS GOOD