WSPF21 NTAA 041751
NTTT SIGMET A1 VALID 041800/042200 NTAA-
NTTT TAHITI FIR/UIR EMBD TS FCST WI S1745 W15300 - S1545 W15315 -
S1600 W15115 - S1745 W15115 - S1745 W15300 TOP FL450 STNR NC=