Antarctic Weather Report Zone IX

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FM VALPARAISO PLAYA ANCHA RADIO/CBV
MAY 22 14:50 UTC 2024
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ANTARCTIC WEATHER REPORT ZONE IX VALIDE 220800/222000 LT.
SYNOPTIC SITUATION:
EAST SECTOR (LAT 60S BETWEEN LONG 50W/75W): POSTFRONTAL INSTABILITY.
CENTRAL SECTOR (LAT 60S BETWEEN LONG 75W/95W): FRONTAL TO
POSTFRONTAL INSTABILITY.
WEST SECTOR (LAT 60S BETWEEN LONG 95W/120W): POSTFRONTAL INSTABILITY
TO FRONTAL TO WEST OF SECTOR.
FORECAST:
PASO DRAKE SUR (BETWEEN LAT 60S/63S):BROKEN TO OVERCAST, VIS 10/8 KM
SHOWERS OF SNOWFALL, WIND SOUTHWEST 15/20 KT INCREASING PM 20/25 KT,
SEA STATE MODERATE TO ROUGH (2.0/4.0 MT) AS SWELL OF SOUTHWEST.
ESTRECHO BRANSFIELD: OVERCAST, VIS 8/10 KM SHOWERS OF SNOWFALL, WIND
NE/E 15/20 KT SHIFTING END OF PERIOD SOUTHEAST 10/15 KT, SEA STATE
SLIGHT (0.5/1.0 MT) WITH 01 TO 03 TENTHS OF SEA ICE.
BAHIA FILDES: OVERCAST, VIS 10/4 KM SHOWERS OF SNOWFALL, WIND E/NE
5/15 KT SHIFTING END OF PERIOD W/SW 10/15 KT, SEA STATE RIPPLED IN
BAY AND 04 TENTHS OF SEA ICE IN CALETA ARDLEY.
BAHIA CHILE: OVERCAST, VIS 10/8 KM SHOWERS OF SNOWFALL, WIND
NORTHEAST SHIFTING END OF PERIOD W/SW 10/15 KT, SEA STATE RIPPLED
WITH 01 TENTHS OF SEA ICE IN BAY.
MAR WEDDELL: OVERCAST, VIS 0.5/1 KM FOG/SNOWFALL, WIND SE/S 10/15 KT
SHIFTING END OF PERIOD NORTHWEST 5/15 KT, SEA STATE RIPPLED
(0.2/0.5 MT) WITH 01 TO 03 TENTHS OF SEA ICE IN ANTARCTIC SOUND AND
07 TO 10 TENTHS OF SEA ICE IN EREBUS AND TERROR GULF.
TIERRA DE OHIGGINS A 75 DGS WESTE: OVERCAST, VIS 10/8 KM SHOWERS OF
SNOWFALL, WIND SOUTHWEST 20/25 KT, SEA STATE MODERATE TO ROUGH
(2.0/4.0 MT) WITH 01 TO 03 TENTHS OF SEA ICE IN OCEANIC AREA AND 01
TO 08 TENTHS OF SEA ICE IN GRANDIDIER CHANNEL.
SECTOR CENTRAL: OVERCAST, VIS 4/10 KM SNOWFALL, WIND NW/W 30/35 KT
GUST 45 KT SHIFTING PM SOUTHWEST 20/25 KT, SEA STATE MODERATE TO
ROUGH (2.0/4.0 MT).
SECTOR WESTE: OVERCAST, VIS 8/10 KM SHOWERS, WIND NORTHWEST 20/25 KT
INCREASING PM 30/35 KT GUST 50 KT, SEA STATE ROUGH TO VERY ROUGH
(3.0/6.0 MT) INCREASING TO WEST OF SECTOR HIGH (6.0/8.0 MT).
PRESENCE OF ICEBERGS:
A74A SIZE 30X18 NM, LAT. 69.59 S/LONG. 57.12 W.
A74B SIZE 8X4 NM, LAT. 62.00 S/LONG. 54.60 W.
A76B SIZE 17X7 NM, LAT. 63.39 S/LONG. 53.70 W.
A76C SIZE 16X7 NM, LAT. 63.96 S/LONG. 55.87 W.
A76N SIZE 12X4 NM, LAT. 63.76 S/LONG. 54.04 W.
A77 SIZE 27X4 NM, LAT. 69.46 S/LONG. 58.02 W.
A80A SIZE 11X9 NM, LAT. 63.82 S/LONG. 56.38 W.
A80D SIZE 6X5 NM, LAT. 65.05 S/LONG. 57.63 W.
A82 SIZE 12X6 NM, LAT. 70.85 S/LONG. 93.49 W.
B22A SIZE 44X24 NM, LAT. 72.64 S/LONG. 119.69 W.
B29 SIZE 11X5 NM, LAT. 73.76 S/LONG. 110.47 W.
B39 SIZE 8X4 NM, LAT. 66.21 S/LONG. 56.16 W.
B45 SIZE 8X6 NM, LAT. 72.39 S/LONG. 118.31 W.
(SOURCE: U.S. NATIONAL ICE CENTER).
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