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SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 01, APRIL 2024.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

516/2024 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E WEAKENING PROVOKES WINDS FORCE 8 WITH GUST IN 60S-66S 70W-90W UNTIL 01/2100

517/2024 STRONG BARIC GRADIENT SOUTHERN WEDDELL SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 AROUND ITSELF IN 70S-73S 30W-50W UNTIL 01/0900

518/2024 STRONG BARIC GRADIENT MAR DE LA FLOTA COASTS MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR W IN 62S-64S 50W-60W UNTIL 02/1500

519/2024 STRONG BARIC GRADIENT MARGARITA BAY MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 AROUND ITSELF IN 660S-70S 65W-70W FROM 01/0600 UNTIL 02/0300

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 980HPA 64S 30W MOV E WKN

LOW 979HPA 67S 90W MOV SE DPN EXTENDS CFNT AT 67S 90W 65S 88W 60S 85W

RIDGE 60S 50W 65S 58W 70S 40W MOV E INTSF

301400 UTC 1.SEA ICE LIMIT 6525S 02000W 6447S 02418W 6448S 02910W 6452S 03505W 6303S 03420W 6046S 03629W 6030S 04042W 6103S 04610W 6047S 05101W 6204S 05634W 6340S 06226W 6525S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5904S 04442W 40X32NM D28A 5146S 02420W 16X13NM A78 5752S 02526W 18X4NM D29C 5352S 03011W 12X5NM D31 5627S 02951W 10X3NM D20A 6148S 04232W 13X6NM A74B 6204S 05355W 11X5NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5817S 02017W 5X2NM ICEBERG2 6058S 03614W 10X1NM ICEBERG3 5925S 03601W 5X2NM ICEBERG4 6013S 03833W 4X2NM ICEBERG5 5948S 02255W 2X1NM ICEBERG6 5720S 02555W 4X3NM ICEBERG7 6054S 04051W 3X1NM ICEBERG8 5816S 02542W 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 2024-5-2

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 3/4 VEER NW 5/7 WITH GUSTS BY 1/1500 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING TOWARDS EVENING VIS MODERATE TO POOR OCNL VERY POOR

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 4/5 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR OCNL VERY POOR

MAR DE LA FLOTA COASTS W OF 60W: SW 3/4 VEER NW 5/7 WITH GUSTS BY 1/1800 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING TOWARDS EVENING VIS MODERATE TO POOR OCNL VERY POOR

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 7/8 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD OCNL VERY POOR

GERLACHE STRAIT : NE 3/5 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS MORNING VIS VERY POOR TO POOR

MARGARITA BAY : SECTOR N 3/4 INCR 7/8 BY 1/0600 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS VERY POOR TO POOR

EREBUS Y TERROR GULF : SECTOR N 3/4 PROB OF FOG AND MIST IN PATCHES WORSENING TOWARDS EARLY MORNING PROB OF VIS MODERATE TO POOR OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA W OF 80W: NW 7/8 BACK SECTOR W 4/5 BY 1/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NW 7/8 BACK SECTOR W 4/5 BY 1/2100 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 S 3/5 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO POOR OCNL VERY POOR

NORTHERN WEDDELL SEA W OF 40W: SW 4/5 VEER NW BY 1/1200 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS MODERATE TO POOR OCNL VERY POOR

NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR S 4/5 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR OCNL VERY POOR

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR N 7/8 DECR 6/5 BY 1/2100 PROB OF ISOL FOG AND MIST IN PATCHES SNOW FALL COASTAL BLIZZARD SPELLS OF GOOD WEATHER TOWARDS EVENING VIS VERY POOR TO MODERATE=