WSPF21 NTAA 051353
NTTT SIGMET A3 VALID 051400/051800 NTAA-
NTTT TAHITI FIR/UIR EMBD TS FCST WI S1615 W15700 - S1600 W15700 -
S0715 W15700 - S0815 W15430 - S1430 W15145 - S1615 W15700 TOP FL500
STNR NC=