Antarctic weather update: overcast conditions, snow showers, and varying sea ice.

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FM VALPARAISO PLAYA ANCHA RADIO/CBV
SEP 20 03:15 UTC 2024
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ANTARCTIC WEATHER REPORT ZONE IX VALIDE 192000/200800 LT.
SYNOPTIC SITUATION:
EAST SECTOR (LAT 60S BETWEEN LONG 50W/75W): POSTFRONTAL UNSTABILITY
TO RIDGE.
CENTRAL SECTOR (LAT 60S BETWEEN LONG 75W/95W): FRONTAL TO
POSTFRONTAL UNSTABILITY TO WEST OF SECTOR.
WEST SECTOR (LAT 60S BETWEEN LONG 95W/120W): POSTFRONTAL UNSTABILITY
FORECAST:
PASO DRAKE SUR (BETWEEN LAT 60S/63S):
OVERCAST TO BROKEN, VIS 10/8 KM SHOWERS OF SNOW, WIND SOUTHWEST
15/20 KT, SEA STATE MODERATE TO ROUGH (1.5/3.0 M) WITH 01 TO 03
TENTHS OF SEA ICE TO SOUTH OF SECTOR.
ESTRECHO BRANSFIELD:
OVERCAST, VIS 10/4 KM SHOWERS OF SNOW/MIST, WIND SOUTHWEST 10/15 KT
GUSTS 25 KT, SEA STATE SLIGHT (0.5/1.0 M) WITH 01 A 03 TENTHS OF SEA
ICE AND 09 TO 10 TENTHS OF SEA ICE TO SOUTH OF SECTOR.
BAHIA FILDES:
OVERCAST, VIS 10 KM DECREASING 0,5/1 KM FOG, WIND SOUTHWEST 10/15 KT
DECREASING 5/10 KT, SEA STATE RIPPLED TO SMOOTH IN BAY.
BAHIA CHILE:
OVERCAST, VIS 10 KM DECREASING 0,5/1 KM FOG, WIND SW/W 10/15 KT
DECREASING 5/10 KT, SEA STATE RIPPLED TO 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 FOG, WIND SOUTHEAST SHIFTING NORTHEAST 2/6 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 0,5/1 KM FOG, WIND W/NW 5/10 KT SHIFTING NORTHEAST
15/20 KT, SEA STATE MODERATE TO ROUGH (1.5/4.0 M) WITH 04 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 SNOW, WIND NORTHWEST BECOMING WEST OF SOUTHWEST
AREA 25/30 KT GUSTS 40 KT, SEA STATE MODERATE TO ROUGH (2.0/4.0 M)
AND FROZEN TO SOUTH OF SECTOR.
WEST SECTOR:
OVERCAST, VIS 10/4 KM SHOWERS, WIND SOUTHWEST 20/25 KT GUSTS 35 KT
INCREASING 30/35 KT GUSTS 60 KT, SEA STATE ROUGH TO VERY ROUGH
(3.0/6.0 M)Y FROZEN TO SOUTH OF SECTOR.
PRESENCIA OF TEMPANOS:
A74A SIZE 30X18 NM, LAT. 66.88 S/LONG. 58.25W.
A76B SIZE 15X7 NM, LAT. 61.70 S/LONG. 54.22W.
A76C SIZE 16X7 NM, LAT. 63.83 S/LONG. 56.08W.
A76N SIZE 9X4 NM, LAT. 61.33 S/LONG. 54.58W.
A77 SIZE 27X4 NM, LAT. 67.17 S/LONG. 59.12W.
A80A SIZE 10X9 NM, LAT. 63.82 S/LONG. 56.40W.
A80D SIZE 6X5 NM, LAT. 62.12 S/LONG. 53.72W.
B29 SIZE 11X5 NM, LAT. 73.77 S/LONG. 110.38W.
B39 SIZE 8X4 NM, LAT. 60.27 S/LONG. 54.07W.
B45 SIZE 7X4 NM, LAT. 73.13 S/LONG. 119.50W.
(FUENTE: U.S. NATIONAL ICE CENTER).
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