


International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
871 WSPA06 PHFO 041757 SIGPAS KZAK SIGMET SIERRA 4 VALID 041755/042155 PHFO- OAKLAND OCEANIC FIR EMBD TS OBS AT 1755Z WI N1115 W17215 - N0745 W16830 - N0330 E17345 - N0830 E17300 - N1115 W17215. TOP FL530. MOV W 10KT. NC.