Gaile warning issued; strong winds and sea ice forecasted in Weddell Sea.

WWAA02 SAWB 181200
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING – METAREA 6-
12:00 UTC 18, JANUARY 2025.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
55/2025 STRONG BARIC GRADIENT ON SOUTHERN WEDDELL SEA MOV NW NOT CHANGE PROVOKES WINDS FORCE 8 FROM SECTOR S GUST WITH 9 INTENSITY IN 68S-73S 60W-55W UNTIL 19/0000
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 980HPA 71S 85W MOV NE WKN EXTENDS OFNT AT 62S 70W 64S 65W 64S 78W MOV SLWY
LOW 980HPA 71S 85W NOT MOV WKN
LOW 976HPA 61S 61W MOV E NC EXTENDS CFNT AT 61S 61W 60S 63W MOV E
LOW 969HPA 61S 45W MOV SE NC EXTENDS CFNT AT 61S 45W 62S 40W 60S 38W MOV SE
LOW 965HPA 67S 51W MOV N WKN EXP 64S 58W BY 19/1200
STRONG BARIC GRADIENT SOUTHERN WEDDELL SEA MOV NW NC
171400 UTC 1.SEA ICE LIMIT 6434S 02000W 6354S 02455W 6334S 02934W 6255S 03153W 6502S 03752W 6422S 04054W 6000S 04358W 6200S 04841S 6258S 05058W 6325S 05855W 6401S 06257W 6608S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5655S 03856W 40X32NM 3.ICEBERGS SMALLER THAN 10NM A76B 4822S 03306W 10X7NM A80A 6344S 05637W 8X6NM ICEBERG1 5500S 03648W 2X1NM ICEBERG2 5520S 03553W 2X1NM ICEBERG3 6155S 05506W 9X3NM ICEBERG4 5804S 03954W 2X1NM ICEBERG5 5248S 04250W 5X1NM ICEBERG6 5601S 04000W 4X2NM ICEBERG7 5828S 03206W 2X1NM ICEBERG8 5706S 03213W 2X1NM ICEBERG9 6229S 05508W 3X1NM ICEBERG10 6348S 05518W 3X2NM ICEBERG11 5457S 03629W 2X1NM ICEBERG12 5030S 03552W 4X2NM 4.ICEBERGS AREA A: 6438S 02000W 5400S 02000W 5300S 03000W 6400S 02948W B: 6400S 02948W 4800S 03000W 4800S 04300W 6038S 04300W C: 6038S 04300W 5400S 04300W 5400S 05000W 6338S 05000W D: 6338S 05000W 5900S 05000W 6000S 06716W 6634S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2025-01-19
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 3/4 WITH GUSTS INCR 4/5 WITH GUSTS BY 18/2100 PROB OF MIST STARTING NIGTH PROB OF SLIGHT ISOL RAIN AND SNOW MIXTURE SNOW FALL VIS GOOD TO MODERATE OCNL VERY POOR
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 4/5 WITH GUSTS DECR 3/4 BY 19/0600 PROB OF SLIGHT ISOL RAIN AND SNOW MIXTURE SNOW FALL PROB OF FOG MIST SPELLS OF GOOD WEATHER VIS GOOD TO MODERATE OCNL VERY POOR
MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 3/4 WITH GUSTS INCR 4/5 WITH GUSTS BY 18/2100 PROB OF MIST STARTING NIGTH PROB OF SLIGHT ISOL RAIN AND SNOW MIXTURE SNOW FALL VIS GOOD TO MODERATE OCNL VERY POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 3/4 WITH GUSTS PROB OF MIST STARTING NIGTH PROB OF SLIGHT ISOL RAIN AND SNOW MIXTUR