WSPF21 NTAA 082120
NTTT SIGMET A4 VALID 082135/090035 NTAA-
NTTT TAHITI FIR/UIR EMBD TS FCST WI S1830 W14200 - S1815 W14500 -
S1600 W14500 - S1230 W14215 - S1300 W14030 - S1830 W14200 TOP FL500
MOV S 05KT NC=