Weather bulletin warns of gales and snow in Antarctic shipping areas.

WWAA02 SAWB 281200
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING – METAREA 6-
12:00 UTC 28, AUGUST 2024.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
933/2024 STRONG BARIC GRADIENT ON NORTHER BELLINGSHAUSEN SEA WILL PROVOKE WINDS FORCE 8 FROM N IN 60S-65S 80W-90W FROM 29/0900
PART 2 GENERAL SYNOPSIS AT 09:00UTC
RIDGE 60S 90W 67S 90W MOV E
LOW 970HPA 63S 74W MOV E WKN EXTENDS CFNT AT 65S 60W 60S 63W
TROUGH 65S 30W 68S 50W MOV SE
281400 UTC 1.SEA ICE LIMIT 6215S 02000W 6025S 05928W 5935S 05601W 5930S 05337W 5819S 05212W 5638S 04726W 5444S 04219W 5353S 03918W 5425S 03708W 5454S 03544W 5216S 02847W 5515S 06716W 2.ICEBERGS GREATER THAN 10NM A74B 6033S 05339W 10X4NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5410S 04755W 4X1NM ICEBERG2 5952S 05353W 3X1NM 4.ICEBERGS AREA A: 5700S 02000W 4900S 02000W 4900S 04556W 5703S 04556W B: 5703S 04556W 5054S 04606W 4956S 05603W 6120S 05555W C: 6120S 05555W 5303S 05600W 6000S 06716W 6300S 06716W 5.SEVERAL ICEBERGS AREA A: 5205S 06754W 5334S 06620W 5451S 06251W 5320S 05906W 5111S 06249W 5.SEVERAL ICEBERGS ISOLATED A: 4713S 05325W B: 4754S 05224W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2024-08-29
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: N 5/6 BACK SW BY 29/0900 SNOW FALL IMPR STARTING NIGTH MIST VIS POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 5 DECR 3 BY 29/0300 SLIGHT SNOW FALL TOWARDS THE MIDDLE OF THE PERIOD PROB OF FOG VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: N 5/6 BACK SW BY 29/0900 SNOW FALL IMPR STARTING NIGTH MIST VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 5 DECR 3 BY 29/0300 SLIGHT SNOW FALL TOWARDS THE MIDDLE OF THE PERIOD PROB OF FOG VIS POOR TO MODERATE
GERLACHE STRAIT : NE 5 VEER SW 3 BY 29/0000 SNOW FALL IMPR STARTING NIGTH FOG VIS POOR
MARGARITA BAY W OF 65W: NE 5 VEER SW 3 BY 29/0000 SNOW FALL IMPR STARTING NIGTH FOG VIS POOR
MARGARITA BAY REST OF THE AREA: VRB 3 PROB OF MIST VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : NW 4 FOG VIS VERY POOR TO POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 80W: W 5 VEER NW 8 WITH GUSTS BY 29/0900 FOG SNOW FALL STARTING EVENING VIS GOOD TO VERY POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 5/6 VEER NW 6 WITH GUSTS PROB OF SNOW FALL TOWARDS THE START OF THE PERIOD TOWARDS THE END OF THE PERIOD FOG VIS MODERATE TO POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): S 5 BACK E 6 BY 29/0600 FOG SNOW FALL STARTING NIGTH VIS GOOD TO POOR
NORTHERN WEDDELL SEA (60-68S 20-50W): NW 5 DECR 4 BY 29/0300 SLIGHT INTERMITTENT SNOW FALL FOG VIS POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 5 BACK N 3 BY 29/0000 SLIGHT INTERMITTENT SNOW FALL MIST VIS MODERATE=