WSPF21 NTAA 091425 NTTT SIGMET A2 VALID 091425/091825 NTAA- NTTT TAHITI FIR/UIR FRQ TS FCST WI S1330 W14800 - S1315 W15115 - S1045 W15230 - S1045 W15030 - S1330 W14800 TOP FL400 STNR NC=