WSPF21 NTAA 090758 NTTT SIGMET A2 VALID 082040/090035 NTAA- NTTT TAHITI FIR/UIR SEV TURB FCST WI S3000 W15315 - S2830 W14515 - S2745 W13000 - S3000 W13000 - S3000 W15315 FL230/360 STNR NC=