Weather report indicating unstable conditions in specified zones.

SECURITE
FM VALPARAISO PLAYA ANCHA RADIO/CBV
NOV 04 03:45 UTC 2024
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ZONE 7-8 Y ZONE 9.
ZONE 7-8.
VLD FM 041100 TO 042300 UTC.
SYNOPTIC SITUATION:
ZONE SEVEN (F.SAN PEDRO TO F.EVANGELISTAS):
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 10/4KM SH, WIND NW/W OCNL SOUTHWEST 10/15KT
GUSTS 25KT, SEA 4.0/5.0 M DECR PM 3.0/4.0 M SWELL FM NW/W.
ZONE EIGHT (F.EVANGELISTAS TO LAT 60 DGS SOUTH):
(F.EVANGELISTAS TO LAT. 56 DGS SOUTH):
OVERCAST, VIS 8/10KM RN/SH, WIND SOUTHWEST OCNL END OF PERIOD
S/SE 15/20KT GUSTS 30KT, SEA 3.0/4.0 M DECR END OF
PERIOD 2.0/3.0 M SWELL FM NW.
(LAT 56 DGS SOUTH TO LAT 60 DGS SOUTH):
OVERCAST, VIS 10/4KM RN/SLEET, WIND N/NE 10/15KT OCNL TO
WEST LONG 70W SOUTHWEST 20/25KT, SEA 1.5/3.0 M INCR TO
WEST LONG 70W 3.0/4.0 M SWELL FM NW.
WEATHER OUTLOOK VLD FM 042300 TO 052300 UTC.
ZONE SEVEN (F.SAN PEDRO TO F.EVANGELISTAS):
POSTFRONTAL INSTABILITY TO FRONTAL, WIND NORTHWEST 20/30KT
GUSTS 40KT OCNL END OF PERIOD SOUTHWEST 25/30KT GUSTS 40KT.
ZONE EIGHT (F.EVANGELISTAS TO LAT 60 DGS SOUTH):
POSTFRONTAL INSTABILITY, WIND SE/S 15/20KT OCNL END OF
PERIOD SOUTHWEST 10/15KT.
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ANTARCTIC WEATHER REPORT ZONE IX VLD 041200/050000 UTC.
SYNOPTIC SITUATION:
AREA EAST (LAT 60S BETWEEN LONG 50W/75W): FRONTAL.
AREA CENTRAL (LAT 60S BETWEEN LONG 75W/95W): RIDGE TO FRONTAL.
AREA WEST (LAT 60S BETWEEN LONG 95W/120W):
FRONTAL TO POSTFRONTAL INSTABILITY TO WEST OF SECTOR.
FORECAST:
PASAJE DRAKE SUR (BETWEEN LAT 60S/63S):
OVERCAST, VIS 1/4KM MIST/SNOW, WIND NORTHWEST 15/20KT GUSTS 30KT
DECR PM 10/15KT, SEA 2.0/4.0 M SWELL FM NW/N WITH 04T TO 10T OF
SEA ICE TO W OF AREA.
ESTRECHO BRANSFIELD:
OVERCAST, VIS 0.5/1KM SNOW/FOG, WIND NORTHEAST 10/15KT OCNL PM
N/NW 15/20KT GUSTS 30KT, SEA 0.5/1.0 M WITH 01T TO 03T OF
SEA ICE INCR TO S 07T TO 10T OF SEA ICE.
BAHIA FILDES:
OVERCAST, VIS 0.5/1KM SNOW/FOG, WIND NW/N 10/15KT INCR PM 15/20KT
GUSTS 30KT, SEA