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WWAA02 SAWB 201200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 20, APRIL 2024.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

446/2024 STRONG BARIC GRADIENT MARGARITA BAY MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM NE WITH GUST IN 66S-70S 65W-70W FROM 20/1500 UNTIL 21/0600

447/2024 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 WITH GUST IN 60S-67S 80W-90W FROM 20/1800 UNTIL 21/2100

448/2024 STRONG BARIC GRADIENT MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 WITH GUST IN 60S-67S 70W-80W FROM 21/0000 UNTIL 21/2100

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 988HPA 66S 80W MOV E DPN EXTENDS CFNT AT 66S 80W 63S 85W 60S 90W

HIGH 1000HPA 63S 35W MOV E WKN

RIDGE 60S 55W 63S 70W 67S 68W MOV E WKN

LOW 989HPA 67S 48W MOV E WKN

191400 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 5914S 04443W 40X32NM D28A 5223S 02546W 16X13NM A78 5833S 02621W 18X4NM D29C 5417S 03150W 12X5NM D31 5631S 03006W 10X3NM D20A 6149S 04230W 13X6NM A74B 6242S 05346 11X5NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5742S 02328W 5X2NM ICEBERG2 6121S 03659W 10X1NM ICEBERG3 6007S 03028W 5X2NM ICEBERG4 6052S 04050W 4X2NM ICEBERG5 6129S 04658W 4X2NM ICEBERG6 5714S 02449W 4X1NM ICEBERG7 5922S 04041W 4X3NM ICEBERG8 5136S 03050W 3X1NM ICEBERG9 5057S 03035W 3X1NM ICEBERG10 5145S 03041W 4X1NM ICEBERG11 5126S 03047W 3X1NM ICEBERG12 5153S 02921W 4X3NM ICEBERG13 5154S 02918W 5X2NM ICEBERG14 5151S 02929W 2X1NM ICEBERG15 5050S 03054W 3X2NM ICEBERG16 5832S 02654W 4X2NM ICEBERG17 5850S 02621W 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 2024-04-21

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR S 3/4 VEER SECTOR W 5/6 BY 20/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR E 3/4 VEER SECTOR S 4 BY 21/0000 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR DURING THE NIGTH VIS MODERATE TO POOR OCNL VERY POOR

MAR DE LA FLOTA COASTS W OF 60W: SECTOR S 3/4 VEER SECTOR W 5/6 BY 20/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE

MAR DE LA FLOTA COASTS REST OF THE AREA: SE 3/4 BACK NE 4 BY 21/2100 PROB OF FOG AND MIST IN PATCHES IMPR DURING THE EVENING VIS MODERATE TO POOR OCNL VERY POOR

GERLACHE STRAIT : SE 3/4 BACK NE 5/6 WITH GUSTS BY 21/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE

MARGARITA BAY : NE 4/5 INCR NE 6/8 WITH GUSTS BY 20/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE

EREBUS Y TERROR GULF : SW 5/6 GUST WITH 8 INTENSITY VEER NW 5/4 BY 20/2300 PROB OF FOG AND MIST IN PATCHES WORSENING DURING THE NIGTH VIS GOOD TO MODERATE OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA W OF 80W: NW 6/7 BACK SECTOR W 6/8 GUST WITH 9 INTENSITY BY 20/1800 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR OCNL VERY POOR

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NW 4/5 BACK SECTOR W 5/6 GUST WITH 8 INTENSITY BY 20/2100 PROB OF MIST PROB OFISOL 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): NW 4/5 BACK SECTOR W 5/4 BY 20/2300 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO POOR OCNL MODERATE

NORTHERN WEDDELL SEA W OF 40W: NE 4/5 VEER SECTOR E 5/6 WITH GUSTS BY 21/0000 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS MODERATE TO POOR OCNL VERY POOR

NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR E 4/5 VEER SE 5/6 BY 21/0000 PROB OF FOG AND MIST IN PATCHES WORSENING DURING THE NIGTH VIS GOOD TO MODERATE OCNL VERY POOR

SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4/5 BACK NE 5/6 BY 21/0000 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NIGTH VIS MODERATE TO GOOD=