Weather bulletin warns of gale conditions and snowfalls in shipping areas.

WWAA02 SAWB 171200
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING – METAREA 6-
12:00 UTC 17, DECEMBER 2024.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1131/2024 LOW 962HPA AT 60S 88W MOV SE INTENSIFYING PROVOKES WINDS FORCE 8 FROM SE GUST WITH 9 INTENSITY IN NORTHER BELLINGSHAUSEN SEA WESTHERN OF: 80W SOUTHERN OF: 63S UNTIL 17/1800
1132/2024 LOW 962HPA AT 60S 88W MOV SE INTENSIFYING PROVOKES WINDS FORCE 8 FROM E GUST WITH 9 INTENSITY IN NORTHER BELLINGSHAUSEN SEA EASTHERN OF: 80W SOUTHERN OF: 63S UNTIL 17/2100
1133/2024 LOW 962HPA AT 60S 88W MOV SE INTENSIFYING WILL PROVOKE WINDS FORCE 8 FROM SECTOR E GUST WITH 9 INTENSITY IN SOUTHERN BELLINGSHAUSEN SEA EASTHERN OF: 80W FROM 17/1500 UNTIL 18/0600
1134/2024 LOW 962HPA AT 60S 88W MOV SE INTENSIFYING WILL PROVOKE WINDS FORCE 9 FROM SECTOR E GUST WITH 10 INTENSITY IN GERLACHE STRAIT FROM 17/2100 UNTIL 18/0900
1135/2024 LOW 962HPA AT 60S 88W MOV SE INTENSIFYING WILL PROVOKE WINDS FORCE 9 FROM SECTOR E GUST WITH 10 INTENSITY IN MAR DE LA FLOTA WESTHERN OF: 60W COASTS MARGARITA BAY FROM 17/2100 UNTIL 18/0600
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 962HPA 60S 88W MOV SE INTSF EXTENDS WFNT AT 64S 90W 66S 80W 62S 70W MOV SE
RIDGE 60S 55W 68S 55W MOV SLWY WKN
LOW 980HPA 60S 20W MOV E NC EXTENDS STRONG BARIC GRADIENT AT NORTHERN WEDDELL SEA SOUTHERN WEDDELL SEA
161400 UTC 1.SEA ICE LIMIT 5857S 02000W 5739S 02510W 5542S 02846W 5743S 03225W 5743S 03839W 5740S 04523W 5815S 05015W 6043S 05331W 6157S 05617W 6251S 05917W 6405S 06417W 6537S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5717S 04124W 40X32NM A76B 5304S 04226W 15X8NM D20A 5416S 03147W 13X2NM 3.ICEBERGS SMALLER THAN 10NM A76N 6157S 05353W 9X4NM ICEBERG1 5501S 03804W 5X1NM ICEBERG2 5517S 03600W 2X1NM ICEBERG3 5318S 04055W 8X4NM ICEBERG4 5502S 03604W 7X4NM ICEBERG5 5312S 03256W 3X1NM ICEBERG6 5303S 04207W 6X1NM ICEBERG7 5416S 03142W 6X1NM ICEBERG8 5736S 04135W 6X5NM ICEBERG9 5218S 03224W 4X1NM ICEBERG10 6225S 05533W 4X2NM 4.ICEBERGS AREA A: 6000S 02000W 4600S 02000W 4600S 03700W 5800S 03700W B: 5800S 03700W 4800S 03700W 4700S 05000W 5936S 05000W C: 5936S 05000W 5200S 05000W 5305S 06003W 6350S 06000W D: 6350S 06000W 5700S 06000W 5700S 06716W 6618S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2024-12-18
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR N 6/7 GUST WITH 9 INTENSITY VEER SECTOR E 3/4 BY 18/0600 PROB OF HVY SNOW FALL IMPR GRADUALLY TOWARDS THE END OF THE PERIOD PROB OF FOG MIST VIS MODERATE OCNL POOR
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: VRB 3/2 VEER NE 6/7 WITH GUSTS BY 18/0900 PROB OF SNOW FALL STARTING NIGTH PROB OF FOG MIST SPELLS OF GOOD WEATHER VIS MODERATE TO POOR OCNL GOOD
MAR DE LA FLOTA COASTS W OF 60W: SECTOR N 6/7 GUST WITH 9 INTENSITY INCR E 9 GUST WITH 9 INTENSITY BY 17/2100 BACK SECTOR N 3/4 BY 18/0600 PROB OF HVY SNOW FALL IMPR GRADUALLY TOWARDS THE END OF THE PERIOD PROB OF FOG MIST VIS MODERATE OCNL POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: VRB 3/2 VEER NE 6/7 WITH GUSTS BY 18/0900 PROB OF SNOW FALL STARTING NIGTH PROB OF FOG MIST SPELLS OF GOOD WEATHER VIS MODERATE TO POOR OCNL GOOD
GERLACHE STRAIT : VRB 3/2 VEER E 8 GUST WITH 9 INTENSITY BY 17/2100 DECR 6/5 WITH GUSTS BY 18/0900 PROB OF HVY SNOW FALL STARTING NIGTH PROB OF FOG MIST SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR
MARGARITA BAY : SECTOR E 5/4 GUST WITH 8 INTENSITY INCR E 9 GUST WITH 9 INTENSITY BY 17/2100 VEER SE 3/4 BY 18/0600 PROB OF FOG MIST IMPR DURING THE EVENING PROB OF SNOW FALL STARTING NOON VIS MODERATE OCNL POOR TO GOOD
EREBUS Y TERROR GULF : SECTOR S 4/5 WITH GUSTS VEER VRB 3/2 BY 17/1200 WORSENING WITH PROB OF FOG MIST STARTING NIGTH PROB OF SNOW FALL STARTING EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 80W – S OF 63S: SE 8 GUST WITH 9 INTENSITY BACK SECTOR N 3/4 BY 17/1800 VEER SECTOR S 4/5 WITH GUSTS BY 18/0900 PROB OF INTERMITTENT SNOW FALL PROB OF FOG MIST SPELLS OF GOOD WEATHER VIS MODERATE TO GOOD OCNL POOR
NORTHER BELLINGSHAUSEN SEA E OF 80W – S OF 63S: E 8 GUST WITH 9 INTENSITY BACK SECTOR N 3/4 BY 17/2100 VEER SECTOR S 4/5 WITH GUSTS BY 18/0900 PROB OF FOG MIST PROB OFINTERMITTENT SLIGHT SNOW FALL VIS MODERATE OCNL POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR N 3 VEER VRB 3/4 BY 18/0300 VEER SE 4/5 WITH GUSTS BY 18/1200 PROB OF INTERMITTENT SNOW FALL PROB OF FOG MIST SPELLS OF GOOD WEATHER VIS MODERATE TO GOOD OCNL POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 4/5 WITH GUSTS INCR 8 GUST WITH 9 INTENSITY BY 17/1500 VEER SE 3/4 BY 18/0600 PROB OF SNOW FALL STARTING NIGTH PROB OF FOG MIST SPELLS OF GOOD WEATHER STARTING NIGTH VIS POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA W OF 80W: SECTOR S 4/5 WITH GUSTS VEER VRB 3/2 BY 18/0600 PROB OF FOG MIST STARTING NIGTH VIS GOOD TO MODERATE OCNL POOR
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR S 4/5 WITH GUSTS PROB OF FOG MIST STARTING NIGTH VIS GOOD TO MODERATE OCNL POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 3/4 PROB OF FOG MIST STARTING NIGTH VIS GOOD TO MODERATE OCNL POOR