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SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 04, MAY 2024.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

528/2024 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR E IN 62S-65S 54W-60W FROM 04/1800 UNTIL 05/0900

529/2024 STRONG BARIC GRADIENT MAR DE LA FLOTA COASTS EREBUS Y TERROR GULF MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SW IN 60S-62S 54W-70W FROM 04/1500 UNTIL 05/0900

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 989HPA 65S 70W MOV NE WKN

LOW 983HPA 64S 42W MOV E WKN

031400 UTC 1.SEA ICE LIMIT 6600S 01953W 6606S 02329W 6515S 03310W 6219S 03449W 6352S 03704W 6006S 03843W 6056S 04227W 5956S 04520W 5953S 05032W 6052S 05526W 6334S 06400W 6511S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5859S 04448W 40X32NM D28A 5233S 02250W 16X13NM A78 5753S 02542W 18X4NM D29C 5356S 02958W 12X5NM D31 5619S 02947W 10X3NM A74B 6137S 05308W 11X5NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 6058S 03614W 10X1NM ICEBERG2 5909S 03554W 5X2NM ICEBERG3 6013S 03833W 4X2NM ICEBERG4 5723S 02544W 4X3NM ICEBERG5 6054S 04051W 3X1NM ICEBERG6 5810S 02527W 4X1NM 4.ICEBERGS AREA A: 6700S 02000W 4800S 02000W 4600S 03000W 6200S 04000W B: 6200S 04000W 4800S 03100W 4800S 04500W 6322S 05730W C: 5700S 05100W 5700S 06200W 5900S 06716W 6850S 06716W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2024-05-5

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SE 3/4 BACK SECTOR E 7/8 WITH GUSTS BY 4/1500 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS MORNING VIS MODERATE TO POOR OCNL VERY POOR

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR E 3/4 DECR 7/8 GUST WITH 9 INTENSITY BY 4/1500 PROB OF ISOL MIST SNOW FALL PROB OFISOL BLIZZARD WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO POOR

MAR DE LA FLOTA COASTS W OF 60W: SE 3/4 BACK SECTOR E 5/7 BY 4/1500 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS MORNING VIS MODERATE TO POOR OCNL VERY POOR

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR E 3/4 VEER SE 7/8 GUST WITH 9 INTENSITY BY 4/1800 PROB OF ISOL MIST SNOW FALL COASTAL BLIZZARD WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO POOR

GERLACHE STRAIT : SECTOR E 4/5 INCR 6/7 BY 4/0900 DECR 4/3 BY 4/2100 PROB OF MIST PROB OFISOL SNOW FALL TOWARDS MORNING VIS POOR TO GOOD

MARGARITA BAY : NE 3/4 VIS GOOD

EREBUS Y TERROR GULF : SW 4/6 INCR 7/8 GUST WITH 9 INTENSITY BY 4/1800 PROB OF MIST BLIZZARD WORSENING DURING THE EVENING VIS MODERATE TO POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA W OF 80W: SECTOR S 3/4 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE MORNING VIS GOOD TO MODERATE OCNL POOR

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR S 3/4 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE OCNL POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR S 3/4 PROB OF MIST VIS GOOD TO MODERATE OCNL POOR

NORTHERN WEDDELL SEA W OF 40W: SW 3/4 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE OCNL POOR

NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR E 4/5 VEER SECTOR S BY 4/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS EVENING VIS MODERATE TO GOOD

SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 5/4 VEER SECTOR E 4/3 BY 4/1200 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=