Antarctic weather report: unstable conditions, heavy snow, high winds, pervasive ice.

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FM VALPARAISO PLAYA ANCHA RADIO/CBV
AUG 21 14:50 UTC 2024
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ANTARCTIC WEATHER REPORT ZONE IX VALID 210800/212000 LT.
SYNOPTIC SITUATION:
EAST SECTOR (LAT 60S BETWEEN LONG 50W/75W): FRONTAL TO POSTFRONTAL
UNSTABILITY.
CENTRAL SECTOR (LAT 60S BETWEEN LONG 75W/95W): POSTFRONTAL
UNSTABILITY TO FRONTAL.
WEST SECTOR (LAT 60S BETWEEN LONG 95W/120W): FRONTAL.
FORECAST:
DRAKE PASSAGE SOUTH (BETWEEN LAT 60S/63S):
OVERCAST TO BROKEN, VIS 4/10 KM SNOW, WIND NW/W 30/35 KT GUST 50 KT
SHIFTING PM SOUTHWEST 20/25 KT GUST 35 KT, SEA STATE ROUGH (3.0/4.0
M) INCREASING PM VERY ROUGH (4.0/6.0 M) WITH 04 TO 10 TENTHS OF SEA
ICE.
ESTRECHO BRANSFIELD:
OVERCAST TO BROKEN, VIS 4/10 KM SNOW, WIND NW/W 20/25 KT GUST 35 KT
SHIFTING PM SOUTHWEST 15/20 KT GUST 30 KT, SEA STATE FROZEN (07 TO
10 TENTHS OF SEA ICE).
BAHIA FILDES:
OVERCAST, VIS 1/4 KM SNOW, WIND NW/W SHIFTING PM SOUTHWEST 20/25 KT
GUST 35 KT, SEA STATE SLIGHT IN BAY AND 10 TENTHS OF SEA ICE IN
CALETA ARDLEY.
BAHIA CHILE:
OVERCAST, VIS 1/4 KM SNOW INCREASING END OF PERIOD 10 KM, WIND NW/W
20/25 KT GUST 40 KT SHIFTING PM SOUTHWEST 10/15 KT GUST 25 KT, SEA
STATE SLIGHT TO RIPPLED WITH 09 TENTHS OF SEA ICE IN BAY AND 10
TENTHS OF SEA ICE IN ENSENADA IQUIQUE.
WEDDELL SEA:
OVERCAST, VIS 1/4 KM MIST, WIND NORTHWEST 10/15 KT SHIFTING PM SW/S
5/10 KT, SEA STATE FROZEN (09 TO 10 TENTHS OF SEA ICE) BETWEEN
ANTARTIC SOUND AND EREBUS AND TERROR GULF.
WEST COAST TIERRA OF OHIGGINS TO 75 DGS WEST:
OVERCAST, VIS 10/4 KM SNOW, WIND SOUTHWEST SHIFTING END OF PERIOD
W/NW 20/25 KT GUST 35 KT, SEA STATE ROUGH TO VERY ROUGH (3.0/6.0 M)
WITH 06 TO 10 TENTHS OF SEA ICE INOCEANIC AREA AND 09 TO 10 TENTHS
OF SEA ICE IN GRANDIDIER CHANNEL.
CENTRAL SECTOR:
OVERCAST, VIS 1/4 KM MIST/RAIN, WIND NW/W 30/35 KT GUST 50 KT, SEA
STATE ROUGH TO VERY ROUGH (3.0/6.0 MT) AND FROZEN TO SOUTH OF SECTOR
WEST SECTOR:
OVERCAST, VIS 4/8 KM RAIN, WIND NORTHWEST 25/30 KT GUST 45 KT
INCREASING PM 30/35 KT GUST 50 KT, SEA STATE VERY ROUGH TO VERY HIGH
(5.0/10.0 MT) AND FROZEN TO SOUTH OF SECTOR.
PRESENCIA OF ICEBERG:
A74A SIZE 30X18MN, LAT.67.26 S/LONG.58.44 W.
A74B SIZE 8X4 MN, LAT.61.61 S/LONG.53.34 W.
A76B SIZE 15X7 MN, LAT.62.65 S/LONG.58.47 W.
A76C SIZE 16X7 MN, LAT.63.81 S/LONG.56.43 W.
A76N SIZE 9X4 MN, LAT.61.97 S/LONG.55.00 W.
A77 SIZE 27X4 MN, LAT.67.55 S/LONG.59.20 W.
A80A SIZE 10X9 MN, LAT.63.65 S/LONG.56.37 W.
A80D SIZE 6X5 MN, LAT.63.69 S/LONG.53.99 W.
B29 SIZE 11X5 MN, LAT.73.77 S/LONG.110.39W.
B39 SIZE 8X4 MN, LAT.61.58 S/LONG.54.56 W.
B45 SIZE 7X4 MN, LAT.73.14 S/LONG.119.61W.
(FUENTE: U.S. NATIONAL ICE CENTER).
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VALPARAISO PLAYA ANCHA RADIO/CBV
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