Antarctic weather report forecasts severe conditions and sea ice presence.

SECURITE
FM VALPARAISO PLAYA ANCHA RADIO/CBV
AUG 29 03:15 UTC 2024
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ANTARCTIC WEATHER REPORT ZONE IX. VALIDE 282000/290800 LT.
SYNOPTIC SITUATION:
EAST SECTOR (LAT 60S BETWEEN LONG 50W/75W): FRONTAL TO POSTFRONTAL
UNSTABILITY.
CENTRAL SECTOR (LAT 60S BETWEEN LONG 75W/95W): FRONTAL.
WEST SECTOR (LAT 60S BETWEEN LONG 95W/120W): FRONTAL TO POSTFRONTAL
UNSTABILITY TO WEST OF SECTOR.
FORECAST:
PASO DRAKE SUR (BETWEEN LAT 60S/63S):
OVERCAST TO BROKEN, VIS 10/4 KM SHOWERS OF SNOW, WIND NW/W SHIFTING
SOUTHWEST 15/20 KT, SEA STATE ROUGH TO VERY ROUGH (3.0/6.0 M) WITH
SEA STATE OF SWELL OF WEST WITH 01 TO 10 TENTHS OF SEA ICE TO SOUTH
OF SECTOR.
ESTRECHO BRANSFIELD:
OVERCAST, VIS 4/10 KM SNOW, WIND NORTHWEST SHIFTING SOUTHWEST
10/15 KT, SEA STATE FROZEN (07 TO 10 TENTHS OF SEA ICE).
BAHIA FILDES:
OVERCAST, VIS 0,5/1 KM SNOW/FOG, WIND NORTHWEST SHIFTING SOUTHWEST
5/10 KT, SEA STATE SMOOTH IN BAY AND 10 TENTHS OF SEA ICE IN CALETA
ARDLEY.
BAHIA CHILE:
OVERCAST TO BROKEN, VIS 0,5/1 KM SNOW INCREASING END OF PERIOD
10 KM, WIND N/NW SHIFTING END OF PERIOD SOUTHWEST 5/10 KT, SEA
STATE SMOOTH WITH 04 TENTHS OF SEA ICE IN BAY AND 10 TENTHS OF SEA
ICE IN ENSENADA IQUIQUE.
MAR DE WEDDELL:
OVERCAST, VIS 0,5/1 KM SNOW/FOG, WIND N/NW SHIFTING S/SE 5/15 KT,
SEA STATE FROZEN (09 TO 10 TENTHS OF SEA ICE) BETWEEN ANTARTIC
SOUND AND EREBUS AND TERROR GULF.
COSTA WESTE TIERRA DE OHIGGINS TO 75 DGS WEST:
OVERCAST, VIS 4/10 KM MIST, WIND SOUTHWEST 15/20 KT SHIFTING END
OF PERIOD NORTHWEST 10/15 KT, SEA STATE ROUGH TO VERY ROUGH
(3.0/5.0 M) WITH 06 TO 10 TENTHS OF SEA ICE IN OCEANIC AREA AND
09 TO 10 TENTHS OF SEA ICE IN GRANDIDIER CHANNEL.
SECTOR CENTRAL:
OVERCAST, VIS 1/4 KM RAIN, WIND NORTHWEST 25/30 KT GUSTS 40 KT
INCREASING 30/35 KT GUSTS 55 KT, SEA STATE ROUGH TO VERY ROUGH
(3.0/5.0 M) INCREASING TO WEST OF SECTOR VERY ROUGH TO HIGH
(5.0/8.0 M) AND FROZEN TO SOUTH OF SECTOR.
SECTOR WESTE:
OVERCAST, VIS 1/4 KM RAIN/SNOW, WIND NORTHWEST 25/30 KT GUSTS
40 KT BECOMING WEST OF SOUTHWEST AREA 20/25 KT, SEA STATE ROUGH
TO VERY ROUGH (3.0/5.0 M) AND FROZEN TO SOUTH OF SECTOR.
PRESENCIA OF TEMPANOS:
A74A SIZE 30X18 NM, LAT. 67.30 S/LONG. 58.31 W.
A74B SIZE 8X4 NM, LAT. 60.74 S/LONG. 53.99 W.
A76B SIZE 15X7 NM, LAT. 62.49 S/LONG. 58.57 W.
A76C SIZE 16X7 NM, LAT. 63.81 S/LONG. 56.37 W.
A76N SIZE 9X4 NM, LAT. 61.72 S/LONG. 53.65 W.
A77 SIZE 27X4 NM, LAT. 67.52 S/LONG. 59.13 W.
A80A SIZE 10X9 NM, LAT. 63.67 S/LONG. 56.40 W.
A80D SIZE 6X5 NM, LAT. 63.36 S/LONG. 53.71 W.
B29 SIZE 11X5 NM, LAT. 73.77 S/LON