International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
542 WSPA11 PHFO 180031 SIGPAX KZAK SIGMET XRAY 3 VALID 180031/180135 PHFO- OAKLAND OCEANIC FIR CNL SIGMET XRAY 2 VALID 172135/180135. TS HAVE WEAKENED.