SICH21 SCSC 131700
ANTARCTIC WEATHER REPORT ZONE IX VALID FROM 132300 TO
141100 UTC.
SYNOPTIC SITUATION:
EAST SECTOR (LAT 60S BETWEEN LONG 50W/75W): POSTFRONTAL
UNSTABILITY TO FRONTAL.
CENTRAL SECTOR (LAT 60S BETWEEN LONG 75W/95W): FRONTAL
TO UNSTABILITY POSTFRONTAL.
WEST SECTOR (LAT 60S BETWEEN LONG 95W/120W):
POSTFRONTAL UNSTABILITY.
FORECAST:
DRAKE PASSAGE SOUTH
(BETWEEN LAT 60S/63S): OVERCAST, VIS 10/4 KM SNOWFALL,
WIND SW/W 15/20 KT GUST 30 KT SHIFTING END OF PERIOD NW/N
25/30 KT GUST 40 KT, SEA STATE MODERATE BECOMING TO VERY
ROUGH (2.0/5.0 M).
BRANSFIELD STRAIT: OVERCAST, VIS 10/8 KM SHOWERS OF
SNOWFALL, WIND SW/W 20/25 KT GUST 35 KT SHIFTING END OF
PERIOD NORTHWEST 15/20 KT, SEA STATE MODERATE (2.0/2.5 M)
WITH 4-10 TENTH OF SEA ICE TO SOUTH OF SECTOR.
FILDES BAY: OVERCAST, VIS 10 KM SHOWERS OF SNOWFALL,
WIND W/NW 15/20 KT GUST 30 KT, SEA STATE SLIGHT IN BAY.
CHILE BAY: OVERCAST, VIS 10 KM SHOWERS OF SNOWFALL,
WIND W/NW 15/20 KT GUST 30 KT, SEA STATE SLIGHT IN BAY AND
SEA STATE FROZEN IN IQUIQUE COVE.
WEDDELL SEA : OVERCAST TO BROKEN, VIS 10 KM SHOWERS OF
SNOWFALL, WIND SW/W 5/10 KT SHIFTING END OF PERIOD W/NW
10/15 KT GUST 25 KT, SEA STATE FROZEN (9-10 TENTH OF SEA ICE)
BETWEEN ANTARCTIC SOUND TO EREBUS AND TERROR GULF.
WEST COAST OHIGGINS LAND
OF TO 75 DGS WEST: OVERCAST, VIS 10/4 KM SNOWFALL, WIND