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WWAA02 SAWB 181200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 18, APRIL 2024.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

434/2024 STRONG BARIC GRADIENT MAR DE LA FLOTA COASTS SOUTHERN PORTION OF DRAKE STRAIT MOV E DEEPENING PROVOKES WINDS FORCE 8 WITH GUST VEER SW IN 62S-66S 50W-60W UNTIL 18/2100

435/2024 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 WITH GUST VEER SECTOR W WITH GUST IN 60S-68S 30W-50W UNTIL 19/1800

436/2024 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA SOUTHERN BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 BACK SW WITH GUST IN 60S-73S 70W-90W UNTIL 19/0900

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 966HPA 65S 50W MOV SE DPN

LOW 972HPA 70S 86W MOV E DPN

RIDGE 60S 75W 65S 71W 68S 68W MOV E INTSF

171400 UTC 1.SEA ICE LIMIT 6835S 02000W 6623S 02346W 6544S 02849W 6450S 03325W 6459S 03824W 6255S 03815W 6120S 03939W 6154S 04442W 6109S 04856W 6133S 05342W 6313S 06016W 6532S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5917S 04459W 40X32NM D28A 5246S 02539W 16X13NM A78 5831S 02630W 18X4NM D29C 5431S 03152W 12X5NM D31 5651S 02935W 10X3NM D20A 6149S 04231W 13X6NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5642S 02413W 5X2NM ICEBERG2 6123S 03742W 10X1NM ICEBERG3 6016S 03646W 5X2NM ICEBERG4 6053S 04056W 3X2NM ICEBERG5 6051S 04056W 4X2NM ICEBERG6 6136S 04708W 4X2NM ICEBERG7 5717S 02503W 4X1NM ICEBERG8 5926S 04057W 4X3NM ICEBERG9 5135S 03033W 3X1NM ICEBERG10 5113S 03045W 3X1NM ICEBERG11 5116S 03103W 4X1NM ICEBERG12 5126S 03045W 3X1NM ICEBERG13 5139S 03001W 3X1NM ICEBERG14 5151S 03000W 2X1NM ICEBERG15 5247S 02534W 2X1NM ICEBERG16 5158S 02927W 4X3NM ICEBERG17 5159S 02936W 5X2NM 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 2024-04-19

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 4/5 VEER NW 5/4 BY 19/0000 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE WORSENING DURING THE EARLY MORNING VIS MODERATE TO GOOD

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 7/8 BACK SECTOR W 5/4 BY 18/1500 PROB OF MIST PROB OFISOL RAIN IMPR STARTING EVENING VIS MODERATE TO GOOD

MAR DE LA FLOTA COASTS W OF 60W: SW 4/5 VEER NW 5/4 BY 19/0000 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE WORSENING DURING THE EARLY MORNING VIS MODERATE TO GOOD

MAR DE LA FLOTA COASTS REST OF THE AREA: NW 7/8 BACK W 5/4 BY 18/2300 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE IMPR DURING THE EVENING VIS MODERATE TO GOOD

GERLACHE STRAIT : SW 4/5 BACK SECTOR E 4/3 BY 19/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS EARLY MORNING VIS GOOD TO MODERATE

MARGARITA BAY : NE 3/4 INCR 5/6 BY 19/0300 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS EARLY MORNING VIS GOOD TO MODERATE

EREBUS Y TERROR GULF : SW 7/8 GUST WITH 9 INTENSITY BACK SECTOR S 5/4 BY 19/0000 AFTERWARDS NE 4 BY 19/0600 PROB OF ISOL FOG AND MIST IN PATCHES SNOW FALL PROB OFCOASTAL BLIZZARD IMPR DURING THE EVENING VIS VERY POOR TO MODERATE OCNL GOOD

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA W OF 80W: NW 5/7 GUST WITH 9 INTENSITY BACK SECTOR W 8/7 BY 18/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR DURING THE EARLY MORNING VIS MODERATE TO POOR OCNL VERY POOR

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NW 4/5 INCR 7/8 GUST WITH 9 INTENSITY BY 18/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS NIGTH VIS MODERATE TO POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 4/5 INCR 7/8 WITH GUSTS BY 18/1800 BACK SW 8 WITH GUSTS BY 19/0000 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR DURING THE EARLY MORNING VIS MODERATE TO POOR OCNL VERY POOR

NORTHERN WEDDELL SEA W OF 40W: NW 4/5 INCR 7/8 GUST WITH 9 INTENSITY BY 18/1500 BACK SECTOR W 8/9 BY 18/1800 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR TOWARDS NIGTH VIS VERY POOR TO MODERATE

NORTHERN WEDDELL SEA REST OF THE AREA: NW 5/4 INCR NW 8/9 WITH GUSTS BY 18/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO POOR OCNL MODERATE

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 4/5 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS GOOD TO MODERATE OCNL POOR=