WWST03 SABM 151200

WEATHER BULLETIN FOR NAVTEX STATIONS - METAREA 6 -

APRIL 15, 12:00UTC

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

GALE WARNING:

WARNING 156: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 WITH GUST IN FIN DEL

MUNDO COASTS DRAKE AREA (55S- 60S AND 60W- 67W)

WARNING 158: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH

GUST IN SOUTH PATAGONIA COASTS ISLAS MALVINAS COASTS FROM 16/0600

GENERAL SINOPSIS:

STRONG BARIC GRADIENT FIN DEL MUNDO COASTS DRAKE AREA (55S- 60S AND 60W- 67W)

MOV E WKN

LOW 1014HPA 41S 56W MOV E WKN EXTENDS CFNT AT 41S 56W 37S 61W 35S 65W MOV E

HIGH 1020HPA 42S 63W MOV SE INTSF EXP 53S 40W BY 16/1200 EXTENDS RIDGE AT 42S

64W 45S 57W 50S 53W MOV E

FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-04-16

NAVTEX STATIONS FCST:

BUENOS AIRES:  SE 4/5 WITH GUSTS PROB OF HVY RAIN STARTING NIGTH VIS MODERATE TO

POOR

BAHIA BLANCA:    SECTOR E 3/4 VEER SECTOR N 3 FOG AND MIST IN PATCHES

DISSIPATING PROB OF RAIN IMPR FOG AND MIST IN PATCHES STARTING EARLY MORNING VIS

GOOD OCNL MODERATE.

MAR DEL PLATA:    NE 3 VEER SECTOR S 4/5 WITH GUSTS BY 16/0600 PROB OF HVY RAIN

STARTING NIGTH FOG AND MIST IN PATCHES DISSIPATING VIS POOR.

COMODORO RIVADAVIA:    SECTOR N 6/7 WITH GUSTS BACK NW 5 WITH GUSTS VIS GOOD

OCNL POOR.

RIO GALLEGOS:   E OF 65W:  SECTOR N 7 WITH GUSTS INCR 8 WITH GUSTS BY 16/0600

VIS MODERATE TO POOR.   REST OF THE AREA:  SECTOR N 7/5 WITH GUSTS MIST VIS

MODERATE OCNL GOOD.

USHUAIA:    NW 8/6 WITH GUSTS PROB OF RAIN SPELLS OF GOOD WEATHER VIS POOR OCNL

MODERATE.

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