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WWAA02 SAWB 231200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 23, APRIL 2024.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

467/2024 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS EREBUS Y TERROR GULF MOV NE WEAKENING PROVOKES WINDS FORCE 8 FROM SW GUST WITH 9 INTENSITY IN 60S-66S 50W-58W UNTIL 23/1500

468/2024 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR W GUST WITH 10 INTENSITY IN 60S-66S 70W-90W UNTIL 24/0900

469/2024 STRONG BARIC GRADIENT SOUTHERN BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR E GUST WITH 10 INTENSITY IN 67S-73S 70W-90W UNTIL 24/0300

470/2024 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR W BACK SECTOR N GUST WITH 9 INTENSITY IN 60S-62S 60W-70W UNTIL 24/1200

471/2024 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA SOUTHERN WEDDELL SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR S GUST WITH 9 INTENSITY IN 60S-73S 30W-50W UNTIL 24/0900

472/2024 STRONG BARIC GRADIENT GERLACHE STRAIT MARGARITA BAY MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR N GUST WITH 10 INTENSITY IN 64S-70S 65W-70W FROM 24/0000 UNTIL 24/1200

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 950HPA 64S 35W MOV SE DPN

LOW 966HPA 70S 90W MOV E DPN EXTENDS CFNT AT 70S 90W 65S 80W 62S 70W

221400 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 5904S 04432W 40X32NM D28A 5211S 02538W 16X13NM A78 5827S 02604W 18X4NM D29C 5408S 03114W 12X5NM D31 5634S 03002W 10X3NM D20A 6149S 04228W 13X6NM A74B 6226S 05404W 11X5NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5811S 02316W 5X2NM ICEBERG2 6115S 03639W 10X1NM ICEBERG3 6000S 03623W 5X2NM ICEBERG4 6039S 04000W 4X2NM ICEBERG5 6128S 04659W 4X2NM ICEBERG6 5727S 02414W 4X1NM ICEBERG7 5922S 04041W 4X3NM ICEBERG8 5136S 03050W 3X1NM ICEBERG9 5109S 03001W 3X1NM ICEBERG10 5145S 03041W 4X1NM ICEBERG11 5119S 03037W 3X1NM ICEBERG12 5136S 02900W 4X3NM ICEBERG13 5139S 02857W 5X2NM ICEBERG14 5140S 02902W 2X1NM ICEBERG15 5810S 02635W 4X2NM ICEBERG16 5853S 02611W 3X1NM ICEBERG17 5153S 02853W 4X1NM 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 2024-04-24

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 7/8 WITH GUSTS VEER SECTOR N BY 23/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR OCNL VERY POOR

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 7/8 WITH GUSTS DECR 5/3 BY 23/1500 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NIGTH VIS GOOD TO MODERATE OCNL POOR

MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 5/6 WITH GUSTS VEER SECTOR N BY 23/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR OCNL VERY POOR

MAR DE LA FLOTA COASTS REST OF THE AREA: SW 7/8 WITH GUSTS DECR 5/3 BY 23/1500 VEER NE BY 24/0600 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS MODERATE TO POOR OCNL VERY POOR

GERLACHE STRAIT : NE 3/5 INCR 7/8 BY 24/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO POOR

MARGARITA BAY : NE 3/5 INCR 7/8 WITH GUSTS BY 24/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO POOR

EREBUS Y TERROR GULF : SW 7/8 WITH GUSTS DECR SW 6/5 BY 23/1200 DECR 4/3 BY 23/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA W OF 80W: SECTOR W 7/8 GUST WITH 8 INTENSITY DECR 5/4 BY 23/2100 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

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 7/8 GUST WITH 8 INTENSITY VEER SECTOR N BY 24/0300 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR OCNL VERY POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 7/8 WITH GUSTS VEER SECTOR S BY 24/0900 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR OCNL VERY POOR

NORTHERN WEDDELL SEA W OF 40W: SW 7/8 WITH GUSTS PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: SE 7/8 WITH GUSTS DECR 5/4 BY 24/0900 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS EARLY MORNING VIS POOR TO MODERATE OCNL GOOD

SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 7/8 DECR 4/3 BY 24/0300 PROB OF MIST PROB OFISOL SNOW FALL VIS GOOD OCNL MODERATE=