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SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 10, APRIL 2024.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

357/2024 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W GUST WITH 9 INTENSITY IN 60S-67S 70W-90W UNTIL 11/0300

358/2024 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS GERLACHE STRAIT MARGARITA BAY MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR N GUST WITH 9 INTENSITY IN 60S-70S 60W-70W UNTIL 11/0300

359/2024 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS EREBUS Y TERROR GULF MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W GUST WITH 9 INTENSITY IN 60S-67S 50W-60W FROM 10/0900 UNTIL 11/0600

360/2024 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR W GUST WITH 9 INTENSITY IN 60S-65S 30W-50W FROM 10/0600 UNTIL 11/0600

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 981HPA 70S 67W MOV E DPN EXTENDS CFNT AT 70S 67W 67S 67W 65S 65W

RIDGE 62S 58W 65S 50W 73S 50W MOV E WKN

091400 UTC 1.SEA ICE LIMIT 6952S 02000W 6839S 02433W 6742S 02852W 6744S 03612W 6607S 04020W 6417S 04243W 6243S 04123W 6221S 04534W 6151S 04904W 6147S 05358W 6315S 06016W 6537S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5900S 04459W 40X32NM D28A 5244S 02722W 16X13NM D28B 5134S 02933W 10X12NM A78 5845S 02715W 18X4NM D29C 5511S 03116W 13X5NM D31 5725S 02949W 10X3NM D20A 6159S 04233W 13X6NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5601S 02639W 5X2NM ICEBERG2 5918S 02746W 5X1NM ICEBERG3 6037S 03745W 10X2NM ICEBERG4 6050S 03753W 5X2NM ICEBERG5 6105S 04050W 3X2NM ICEBERG6 6108S 04101W 4X2NM ICEBERG7 6232S 04734W 3X1NM ICEBERG8 6155S 04758W 4X2NM ICEBERG9 5536S 02711W 2X1NM ICEBERG10 6025S 02721W 2X1NM ICEBERG11 5714S 02546W 4X1NM ICEBERG12 5923S 04114W 4X3NM ICEBERG13 5301S 03305W 3X1NM ICEBERG14 5311S 03853W 6X1NM ICEBERG15 5314S 03857W 3X1NM ICEBERG16 5315S 03850W 5X1NM ICEBERG17 5327S 03851W 3X1NM ICEBERG18 5329S 03851W 2X1NM ICEBERG19 5122S 03041W 3X1NM ICEBERG20 5119S 03036W 4X1NM ICEBERG21 5134S 03026W 3X1NM 4.ICEBERGS AREA A: 7200S 02000W 4600S 02000W 4600S 03000W 6300S 04500W B: 6300S 04500W 4800S 03100W 4900S 04500W 6318S 05722W C: 5600S 06000W 5600S 05900W 5858S 06716W 6858S 06716W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2024-04-11

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 5/7 GUST WITH 8 INTENSITY INCR 8/9 BY 10/1500 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 PORTION OF DRAKE STRAIT REST OF THE AREA: SW 4/5 VEER SECTOR W 7/8 WITH GUSTS BY 10/0600 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS GOOD TO POOR OCNL VERY POOR

MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 5/7 GUST WITH 8 INTENSITY INCR 8/9 BY 10/1500 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

MAR DE LA FLOTA COASTS REST OF THE AREA: SW 4/5 VEER SECTOR W 7/8 WITH GUSTS BY 10/0600 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO POOR OCNL VERY POOR

GERLACHE STRAIT : SECTOR E 3/4 VEER SW 6/7 WITH GUSTS BY 10/1500 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING TOWARDS EVENING VIS MODERATE TO POOR OCNL VERY POOR

MARGARITA BAY : SW 4/5 INCR 7/8 BY 10/1500 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS GOOD TO POOR OCNL VERY POOR

EREBUS Y TERROR GULF : NW 4/5 BACK SW 8/7 BY 10/0900 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL COASTAL BLIZZARD TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA W OF 80W: SECTOR W 7/8 WITH GUSTS 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

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 7/8 WITH GUSTS PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING DURING THE MORNING VIS MODERATE TO POOR OCNL VERY POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 4/6 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

NORTHERN WEDDELL SEA W OF 40W: SW 3/4 WITH GUSTS VEER NW 7/8 BY 10/0900 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE OCNL POOR

NORTHERN WEDDELL SEA REST OF THE AREA: SW 3/4 WITH GUSTS VEER NW 7/8 BY 10/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE

SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4/5 WITH GUSTS PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD=