International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
596 WSPA12 PHFO 182118 SIGPAY KZAK SIGMET YANKEE 6 VALID 182117/182145 PHFO- OAKLAND OCEANIC FIR CNL SIGMET YANKEE 5 VALID 181745/182145. TS WEAKENED.