Frontal instability forecasted for maritime zones Seven and Eight.

SECURITE
FM VALPARAISO PLAYA ANCHA RADIO/CBV
DEC 22 03:45 UTC 2024
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ZONE 7-8 Y ZONE 9.
ZONE 7-8.
VLD FM 221100 TO 222300 UTC.
SYNOPTIC SITUATION:
ZONE SEVEN (F.SAN PEDRO TO F.EVANGELISTAS):
FRONTAL TO POSTFRONTAL INSTABILITY.
ZONE EIGHT (F. EVANGELISTAS TO LAT. 60 DGS SOUTH):
FRONTAL TO POSTFRONTAL INSTABILITY.
FCST:
ZONE SEVEN (F.SAN PEDRO TO F.EVANGELISTAS):
OVERCAST, VIS 1/4KM RN, WIND N/NE 35/40KT (GALE) GUSTS 55KT OCNL PM
NW/W 20/25KT GUSTS 35KT, SEA 4.0/5.0 M DECR END OF PERIOD 3.0/4.0 M
SWELL FM NW.
ZONE EIGHT (F.EVANGELISTAS TO LAT 60 DGS SOUTH):
(F.EVANGELISTAS TO LAT 56 DGS SUR):
OVERCAST, VIS 1/4KM RN, WIND N/NE 20/25KT GUSTS 40KT OCNL PM END OF
PERIOD SOUTHWEST 15/20KT, SEA 3.0/4.0 M SWELL FM NW.
(LAT 56 DGS SUR TO LAT 60 DGS SUR):
OVERCAST, VIS 1/4KM MIST/RN, WIND NORTHEAST 15/20KT GUSTS 30KT,
SEA 1.5/3.0 M INCR TO WEST 70W 3.0/4.0 M SWELL FM W.
WEATHER OUTLOOK VLD FM 222300 TO 232300 UTC.
ZONE SEVEN (F.SAN PEDRO TO F.EVANGELISTAS):
POSTFRONTAL INSTABILITY TO RIDGE, WIND SW/W 15/20KT GUSTS 30KT OCNL
END OF PERIOD NORTHWEST 20/25KT GUSTS 35KT.
ZONE EIGHT (F.EVANGELISTAS TO LAT 60 DGS SOUTH):
POSTFRONTAL INSTABILITY TO FRONTAL, WIND SW/W 15/20KT OCNL NORTHWEST
25/30KT GUSTS 50KT.
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ANTARCTIC WEATHER REPORT ZONE IX VLD 221200/230000 UTC.
SYNOPTIC SITUATION:
EAST SECTOR (LAT 60S BETWEEN LONG 50W/75W):
ANTICYCLONIC EDGE TO FRONTAL TO WEST OF SECTOR.
CENTRAL SECTOR (LAT 60S BETWEEN LONG 75W/95W): FRONTAL.
WEST SECTOR (LAT 60S BETWEEN LONG 95W/120W): FRONTAL.
FCST:
PASAJE DRAKE SUR (BETWEEN LAT 60S/63S):
BROKEN TO OVERCAST, VIS 10/8KM RN, WIND N/NE OCNL PM NW/N 10/15KT,
SEA 1.0/2.0 M SWELL FM W AND TABULAR BERG (LONG 2.7 MN,
61 53,779S/59 50,832W, 24-11-2024).
ESTRECHO BRANSFIELD:
OVERCAST TO BROKEN, VIS 10KM, WIND W/NW 10/15KT, SEA 0.5/1.0 M
WITH 01T TO 03T OF SEA ICE.
BAHIA FILDES:
OVERCAST OCNL BROKEN, VIS 10KM DECR END OF PERIOD 0.5/1KM FG,
WIND NORTHWEST 5/10KT INCR PM 10/15KT, SEA SMOOTH TO RIPPLED IN BAY.
BAHIA CHILE:
OVERCAST, VIS 10KM DECR END OF PERIOD 0.5/1KM FG, WIND NORTHWEST
5/10KT INCR PM 10/15KT, SEA SMOOTH TO RIPPLED IN BAY.
RADA COVADONGA:
OVERCAST TO BROKEN, VIS 8/10KM MIST, WIND W/SW 10/15KT GUSTS 25KT,
SEA 0.2/0.5 M WITH 02T OF SEA ICE.
BAHIA PARAISO:
BROKEN TO OVERCAST, VIS 10/4KM SNOW, WIND NORTHEAST 5/15KT,
SEA SMOOTH TO RIPPLED IN BAY.
WEDDELL SEA:
BROKEN TO OVERCAST, VIS 10KM, WIND NORTHWEST 15/20KT, SEA 0.5/1.0 M
WITH 01T TO 03T OF SEA ICE IN ANTARCTIC SOUND AND 01T TO 10T OF
SEA ICE IN EREBUS AND TERROR GULF.
WEST COAST TIERRA DE OHIGGINS TO 75 DGS WEST:
OVERCAST, VIS 1/4KM SNOW, WIND NORTHEAST 25/30KT GUSTS 40KT,
SEA 2.0/4.0 M IN OCEANIC AREA AND 01T TO 08T OF SEA ICE IN
GRANDIDIER CHANNEL.
CENTRAL SECTOR:
OVERCAST, VIS 10/8KM RN, WIND NW/N 15/20KT INCR PM 20/25KT
GUSTS 35KT, SEA 2.0/4.0 M AND FROZEN TO S OF AREA.
WEST SECTOR:
OVERCAST, VIS 4/8KM RN, WIND N/NW 20/25KT GUSTS 35KT OCNL TO
EAST OF SOUTHEAST AREA 10/15KT, SEA 1.5/3.0 M AND FROZEN TO S
OF AREA.
PRESENCE OF ICEBERGS:
A74A SIZE 30X18 NM, LAT. 64.73 S/LONG. 56.78W.
A76C SIZE 16X7 NM, LAT. 64.15 S/LONG. 55.83W.
A77 SIZE 27X4 NM, LAT. 65.73 S/LONG. 58.94W.
A80A SIZE 9X7 NM, LAT. 63.93 S/LONG. 56.35W.
A81 SIZE 28X25 NM, LAT. 69.52 S/LONG. 58.11W.
A82 SIZE 12X8 NM, LAT. 67.93 S/LONG. 87.03W.
B15AB SIZE 10X4 NM, LAT. 68.83 S/LONG. 55.50W.
B29 SIZE 11X5 NM, LAT. 73.77 S/LONG. 110.41W.
B45 SIZE 7X4 NM, LAT. 73.16 S/LONG. 119.33W.
D33A SIZE 34X10 NM, LAT. 70.57 S/LONG. 56.22W.
D33C SIZE 15X7 NM, LAT. 71.26 S/LONG. 54.70W.
(SOURCE: U.S. NATIONAL ICE CENTER).
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VALPARAISO PLAYA ANCHA RADIO/CBV
MMSI: 007251860.
PHONE: 56-32-2208974
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