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WWAA02 SAWB 210000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 21, APRIL 2024.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

449/2024 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN 60S-67S 80W-90W UNTIL 21/0900

450/2024 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 VEER SECTOR W WITH GUST IN 60S-67S 70W-80W UNTIL 21/2300

451/2024 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING PROVOKES WINDS FORCE 8 VEER SECTOR W GUST WITH 9 INTENSITY IN 60S-63S 60W-70W FROM 21/0300 UNTIL 22/0300

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 974HPA 69S 85W MOV E DPN EXTENDS CFNT AT 69S 85W 65S 75W 62S 87W

HIGH 994HPA 70S 45W MOV E WKN

RIDGE 60S 65W 62S 63W 65S 55W MOV E WKN

LOW 989HPA 66S 47W MOV E WKN

201400 UTC 1.SEA ICE LIMIT 6809S 02000W 6615S 02253W 6600S 03145W 6525S 03816W 6218S 03707W 6144S 04303W 6101S 04733W 6113S 05254W 6238S 05451W 6304S 05905W 6355S 06418W 6526S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5911S 04435W 40X32NM D28A 5220S 02546W 16X13NM A78 5833S 02621W 18X4NM D29C 5413S 03141W 12X5NM D31 5631S 03006W 10X3NM D20A 6148S 04228W 13X6NM A74B 6236S 05358W 11X5NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5742S 02328W 5X2NM ICEBERG2 6119S 03652W 10X1NM ICEBERG3 6003S 03626W 5X2NM ICEBERG4 6041S 04020W 4X2NM ICEBERG5 6128S 04656W 4X2NM ICEBERG6 5714S 02449W 4X1NM ICEBERG7 5922S 04041W 4X3NM ICEBERG8 5136S 03050W 3X1NM ICEBERG9 5056S 03036W 3X1NM ICEBERG10 5145S 03041W 4X1NM ICEBERG11 5126S 03047W 3X1NM ICEBERG12 5153S 02921W 4X3NM ICEBERG13 5154S 02918W 5X2NM ICEBERG14 5151S 02929W 2X1NM ICEBERG15 5042S 03049W 3X2NM ICEBERG16 5832S 02654W 4X2NM ICEBERG17 5850S 02621W 3X1NM 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 00:00 UTC VALID UNTIL 00:00 UTC 2024-04-22

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 4/5 VEER NW 5/7 GUST WITH 8 INTENSITY BY 21/0600 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS EVENING VIS POOR TO MODERATE OCNL GOOD

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 4/5 VEER NW 7/8 BY 21/1200 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR OCNL VERY POOR

MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 4/5 VEER NW 5/7 BY 21/0600 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS EVENING VIS POOR TO MODERATE OCNL GOOD

MAR DE LA FLOTA COASTS REST OF THE AREA: SW 3/4 VEER SECTOR W 4/5 BY 21/0600 INCR NW 7/8 WITH GUSTS BY 21/1200 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

GERLACHE STRAIT : NE 4/5 BACK SECTOR W 5/6 BY 21/1200 PROB OF MIST INTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR

MARGARITA BAY : NE 4/5 BACK SECTOR N 5 BY 21/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

EREBUS Y TERROR GULF : NW 4/5 BACK SW 5/4 BY 21/0900 AFTERWARDS SW 7/8 BY 21/2000 PROB OF FOG AND MIST IN PATCHES WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA W OF 80W: SECTOR W 6/7 GUST WITH 8 INTENSITY DECR 6/5 BY 21/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE MORNING VIS MODERATE TO POOR

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 7/8 GUST WITH 8 INTENSITY DECR 6/5 BY 21/1500 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING EVENING VIS POOR TO MODERATE OCNL GOOD

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 3/4 BACK SW 5/6 BY 21/1200 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO POOR OCNL MODERATE

NORTHERN WEDDELL SEA W OF 40W: SE 4/5 VEER SECTOR S 5/4 BY 21/1500 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR E 4/5 VEER SE 5/6 BY 21/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL VERY POOR

SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4/5 VIS GOOD=