FZPS04 SCSC 162130 WEATHER BULLETIN AND SEA STATE ZONE X VALID 171200 TO 181200 UTC. PART I: SEVERE WEATHER WARNING. CENTRAL WEST AREA (LAT 30 TO 45 SOUTH AND LONG 95 TO 120 WEST): WIND S/SW 20/30KT OCNL 35KT, SEA 1.5/2.5M, VIS GOOD TO AVERAGE (10/8KM) SH/RN. PART II: SYNOPTIC SITUATION (ANALYSIS 161800 UTC). HIGH 1030 HPA 33S/87W HIGH 1026 HPA 34S/119W LOW 1006 HPA 41S/105W PART III: FCST. NORTHEAST AREA (LAT 18 TO 30 SOUTH AND LONG 76 TO 95 WEST): WIND S/SE 15/20KT, SEA 1.5/2.5M, VIS GOOD (10KM). NORTHWEST AREA (LAT 18 TO 30 SOUTH AND LONG 95 TO 120 WEST): WIND S/SE 10/15KT, SEA 1.5/2.5M, VIS GOOD (10KM). CENTRAL SECTOR EAST (LAT 30 TO 45 SOUTH AND LONG 78 TO 95 WEST): WIND W/SW SHIFTING TO W/NW 10/15KT OCNL 20KT, SEA 1.5/2.5M, VIS GOOD (10KM). SOUTHEAST AREA (LAT 45 TO 60 SOUTH AND LONG 81 TO 95 WEST): WIND W/SW 20/30KT GUSTS 40KT, SEA 2.5/3.5M, VIS AVERAGE TO GOOD (4/10KM) RN/SH. SOUTHWEST AREA (LAT 45 TO 60 SOUTH AND LONG 95 TO 120 WEST): WIND N/NW SHIFTING TO W/NW 15/25KT OCNL 30KT, SEA 2.5/3.5M, VIS AVERAGE (6/8KM) RN/SH. MET108SS