Severe weather warnings and sea ice conditions issued for shipping.

WWST02 SABM 170000
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING – METAREA 6-
2024-09-17, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 475: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 9 WITH GUST BETWEEN 45S-60S 30W-60W
WARNING 474: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR E WITH GUST BETWEEN 35S-40S 35W-20W FROM 17/1800
WARNING 472: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN FIN DEL MUNDO COASTS ISLAS MALVINAS COASTS DRAKE AREA (55S- 60S AND 60W- 67W) UNTIL 17/0900
WARNING 471: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 WITH GUST BETWEEN 45S-60S AND 30W-20W UNTIL 17/0600
PART 2 GENERAL SYNOPSIS AT 21:00UTC
SEA ICE AND ICEBERGS REPORT 161400 UTC 1.SEA ICE LIMIT 5643S 02000W 5511S 02611W 5418S 03141W 5548S 03431W 5602S 03918W 5743S 04132W 5820S 04403W 5942S 04648W 6034S 05200W 6056S 05651W 6131S 06128W 6119S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5829S 04537W 40X32NM A76B 6119S 05430W 15X8NM A74B 5912S 04907W 10X4NM D20A 5556S 03900W 13X4NM 3.ICEBERGS SMALLER THAN 10NM A76N 6154S 05405W 9X4NM B39 5910S 05141W 8X4NM ICEBERG1 5412S 04328W 4X1NM ICEBERG2 5905S 05114W 3X1NM ICEBERG3 6137S 05451W 4X1NM ICEBERG4 5150S 03110W 6X1NM ICEBERG5 5516S 03739W 3X1NM ICEBERG6 5918S 04738W 7X4NM ICEBERG7 5604S 03959W 6X2NM ICEBERG8 5544S 03929W 3X2NM ICEBERG9 6044S 04948W 4X3NM ICEBERG10 6156S 05252W 5X4NM ICEBERG11 5839S 05022W 3X1NM 4.ICEBERGS AREA A: 5800S 02000W 4700S 02000W 5700S 05900W 6300S 05100W B: 4700S 02000W 4800S 04700W 5100S 05600W 5600S 04900W C: 5700S 05900W 6300S 05100W 6430S 06716W 6030S 06716W 5.SEVERAL ICEBERGS AREA A: 5611S 06300W 5518S 06000W 5400S 06000W 5400S 06300W B: 5400S 06100W 5400S 06600W 5000S 06600W 4833S 06100W 6.SEVERAL ICEBERGS ISOLATED A: 4713S 05325W B: 4754S 05224W C: 5338S 06457W
CFNT AT 59S 25W 56S 30W 54S 35W MOV E
HIGH 1032HPA 38S 24W MOV E INTSF EXP BY 18/0000
CFNT AT 59S 69W 57S 70W 56S 71W MOV NE EXP GOLFO DE SAN JORGE COASTS BY 17/1200
RIDGE 35S 54W 38S 56W 40S 61W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2024-09-18
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 4/5 WITH GUSTS VEER SECTOR E BY 17/1800 VIS GOOD
OUTER RIO DE LA PLATA: SECTOR N 4/5 WITH GUSTS VEER SECTOR E 6 WITH GUSTS BY 17/1800 VIS GOOD
URUGUAY SOUTH EAST COASTS: SECTOR N 4 VEER SECTOR E 5/6 WITH GUSTS BY 17/1800 PROB OF COASTAL MIST DISSIPATING DURING THE MORNING VIS GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S – 3830S): SECTOR E 5 WITH GUSTS BACK N 6 WITH GUSTS BY 17/0900 VIS GOOD
RINCON BAHIA BLANCA COASTS(3830S – 41S): SECTOR E 5 WITH GUSTS BACK SECTOR N 6/7 GUST WITH 8 INTENSITY BY 17/0300 DECR 6 BY 17/2100 VIS MODERATE TO GOOD
PENINSULA DE VALDES COASTS(41S – 45S): SECTOR N 6/7 GUST WITH 8 INTENSITY BACK SECTOR S 5 WITH GUSTS BY 17/1800 VIS MODERATE TO GOOD
GOLFO DE SAN JORGE COASTS(45S – 48S): SECTOR N 6/7 GUST WITH 8 INTENSITY BACK SECTOR W 5 WITH GUSTS BY 17/1500 BACK SECTOR S BY 17/2100 VIS MODERATE TO GOOD
SOUTH PATAGONIA COASTS(48S – 54S) N OF 51S: NW 7 GUST WITH 8 INTENSITY BACK SW 6 WITH GUSTS BY 17/1500 DECR VRB 4 BY 17/2100 VIS MODERATE TO GOOD
SOUTH PATAGONIA COASTS(48S – 54S) REST OF THE AREA: NW 7 GUST WITH 8 INTENSITY BACK SECTOR W BY 17/1200 LOW PROB OF ISOL RAIN STARTING EARLY MORNING NEXT IMPR DURING THE EVENING VIS MODERATE OCNL POOR
FIN DEL MUNDO COASTS(54S – 55S): NW 8 WITH GUSTS BACK W 7 GUST WITH 8 INTENSITY BY 17/0600 PROB OF RAIN AND SNOW MIXTURE STARTING EARLY MORNING VIS VERY POOR OCNL POOR
ISLAS MALVINAS COASTS: NW 7/8 WITH GUSTS BACK W 7/6 GUST WITH 8 INTENSITY BY 17/0900 PROB OF ISOL RAIN STARTING EARLY MORNING VIS VERY POOR TO POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: VRB 4 INCR SECTOR E 6 WITH GUSTS BY 17/1200 INCR 8 WITH GUSTS BY 17/1800 PROB OF HVY RAIN STARTING EARLY MORNING VIS GOOD TO VERY POOR
W OF 35 – E OF 50W: NW 6/5 WITH GUSTS BACK W BY 17/0600 DECR VRB 4 BY 17/1200 PROB OF ISOL RAIN IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR TO GOOD
REST OF THE AREA: SECTOR W 5 WITH GUSTS VEER SECTOR N 5/6 WITH GUSTS BY 17/0900 VIS GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 – N OF 45S: SECTOR W 4/6 WITH GUSTS VEER SECTOR N 5 WITH GUSTS BY 17/0600 PROB OF ISOL RAIN STARTING EARLY MORNING VIS GOOD TO MODERATE
E OF 30 – S OF 45S: NW 8 WITH GUSTS BACK W 6 WITH GUSTS BY 17/0600 PROB OF ISOL RAIN IMPR STARTING EARLY MORNING VIS VERY POOR TO MODERATE OCNL GOOD
W OF 30 – N OF 45S: NW 6 WITH GUSTS DECR VRB 4 BY 17/0600 PROB OF ISOL RAIN IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR TO GOOD
REST OF THE AREA: SECTOR W 6 WITH GUSTS VEER SECTOR N BY 17/1500 PROB OF ISOL RAIN IMPR TOWARDS EARLY MORNING VIS MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 – N OF 45S: SECTOR W 4 VEER SECTOR N 5/6 WITH GUSTS BY 17/0300 VIS GOOD
E OF 50 – S OF 45S: SECTOR W 5 WITH GUSTS VEER SECTOR N 6/7 WITH GUSTS BY 17/0600 INCR 8 WITH GUSTS BY 17/1800 LOW PROB OF ISOL RAIN TOWARDS THE END OF THE PERIOD VIS GOOD TO VERY POOR
W OF 50 – N OF 45S: SECTOR N 5/7 GUST WITH 8 INTENSITY DECR 6 BY 17/2100 VIS GOOD OCNL MODERATE
REST OF THE AREA: SECTOR N 6/7 GUST WITH 8 INTENSITY INCR 8 WITH GUSTS BY 17/0600 BACK SW 6 WITH GUSTS BY 17/2100 VIS POOR OCNL VERY POOR TO GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: NW 8 WITH GUSTS BACK W 7 GUST WITH 8 INTENSITY BY 17/0600 PROB OF SNOW FALL SPELLS OF GOOD WEATHER VIS VERY POOR OCNL POOR
REST OF THE AREA: W 6 WITH GUSTS VEER NW 8 WITH GUSTS BY 17/0900 PROB OF SNOW FALL VIS VERY POOR TO POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50 – N OF 55S: NW 7 GUST WITH 8 INTENSITY INCR 9 WITH GUSTS BY 17/0600 PROB OF RAIN SNOW FALL TOWARDS THE END OF THE PERIOD VIS VERY POOR TO POOR
E OF 50 – S OF 55S: NW 7/9 WITH GUSTS BACK W 7 WITH GUSTS BY 17/1800 PROB OF SNOW FALL VIS VERY POOR TO POOR
W OF 50 – N OF 55S: NW 8 WITH GUSTS BACK W 7 WITH GUSTS BY 17/2100 PROB OF RAIN SNOW FALL TOWARDS THE END OF THE PERIOD VIS VERY POOR TO POOR
REST OF THE AREA: NW 8 WITH GUSTS BACK W 7 WITH GUSTS BY 17/1200 VEER SECTOR N 6 WITH GUSTS BY 17/2100 PROB OF RAIN AND SNOW MIXTURE VIS VERY POOR OCNL POOR
DRAKE AREA (55S- 60S AND 60W- 67W): NW 8 WITH GUSTS BACK W BY 17/0300 AFTERWARDS 6/7 GUST WITH 8 INTENSITY BY 17/0900 PROB OF RAIN AND SNOW MIXTURE VIS VERY POOR OCNL POOR