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WWAA02 SAWB 251200

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SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 25, APRIL 2024.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

484/2024 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR S GUST WITH 10 INTENSITY IN 60S-65S 70W-80W UNTIL 26/0600

485/2024 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS GERLACHE STRAIT WILL PROVOKE WINDS FORCE 8 FROM NE GUST WITH 10 INTENSITY IN 60S-67S 55W-70W UNTIL 26/0300

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 973HPA 65S 75W MOV SE DPN

LOW 987HPA 66S 48W MOV SE DPN

RIDGE 60S 50W 62S 53W 65S 55W MOV E WKN

241400 UTC 1.SEA ICE LIMIT 6615S 02000W 6525S 02847W 6515S 03644W 6130S 03918W 6140S 04429W 6119S 04841W 6135S 05142W 6238S 05401W 6251S 05616W 6328S 06014W 6406S 06410W 6606S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5903S 04446W 40X32NM D28A 5156S 02521W 16X13NM A78 5919S 02609W 18X4NM D29C 5407S 03055W 12X5NM D31 5636S 03000W 10X3NM D20A 6149S 04232W 13X6NM A74B 6222S 05402W 11X5NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5824S 02240W 5X2NM ICEBERG2 6116S 03642W 10X1NM ICEBERG3 5954S 03623W 5X2NM ICEBERG4 6032S 03910W 4X2NM ICEBERG5 6128S 04658W 4X2NM ICEBERG6 5750S 02341W 4X1NM ICEBERG7 6054S 04051W 4X3NM ICEBERG8 5129S 02916W 3X1NM ICEBERG9 5145S 03041W 4X1NM ICEBERG10 5109S 03036W 3X1NM ICEBERG11 5131S 02900W 4X2NM ICEBERG12 5129S 02901W 5X3NM ICEBERG13 5140S 02902W 2X1NM ICEBERG14 5756S 02612W 4X1NM ICEBERG15 5853S 02611W 3X2NM ICEBERG16 5148S 02847W 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 2024-04-26

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NE 7/8 WITH GUSTS VEER SECTOR E 7/5 BY 25/2100 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

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NE 5/7 GUST WITH 8 INTENSITY VEER SECTOR E 8/7 BY 26/0600 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS MODERATE TO POOR OCNL VERY POOR

MAR DE LA FLOTA COASTS W OF 60W: NE 7/8 WITH GUSTS VEER SECTOR E 7/5 BY 25/2100 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

MAR DE LA FLOTA COASTS REST OF THE AREA: NE 7/5 GUST WITH 8 INTENSITY DECR NE 5/4 BY 26/0000 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EVENING VIS MODERATE TO POOR OCNL VERY POOR

GERLACHE STRAIT : NE 7/8 GUST WITH 9 INTENSITY DECR 6/5 BY 26/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR

MARGARITA BAY : NE 4/5 BACK SW 4 BY 25/2100 PROB OF ISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NIGTH VIS MODERATE TO GOOD

EREBUS Y TERROR GULF : NE 4/5 BACK NW 5/7 GUST WITH 8 INTENSITY BY 25/2100 BACK SW 4/5 BY 26/0900 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

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA W OF 80W: SECTOR S 7/5 VEER SW 5 BY 26/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NIGTH VIS MODERATE TO GOOD

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR S 7/8 GUST WITH 9 INTENSITY VEER SW 5 BY 26/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SW 3/4 VEER NW 4/5 BY 26/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL POOR

NORTHERN WEDDELL SEA W OF 40W: SECTOR W 5/4 VEER NE 5/6 WITH GUSTS BY 26/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE NIGTH VIS MODERATE TO POOR

NORTHERN WEDDELL SEA REST OF THE AREA: NW 3/4 BACK SECTOR W 4 BY 26/0000 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EARLY MORNING VIS GOOD TO MODERATE

SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 3/4 BACK SECTOR E 5 BY 26/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE=