International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
889 WSPA11 PHFO 182218 SIGPAX KZAK SIGMET XRAY 4 VALID 182218/182300 PHFO- OAKLAND OCEANIC FIR CNL SIGMET XRAY 3 VALID 181900/182300. TS HAS WEAKENED.