International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
507 WSPN06 KKCI 050547 SIGP0F KZAK SIGMET FOXTROT 4 VALID 050547/050550 KKCI- OAKLAND OCEANIC FIR CNL SIGMET FOXTROT 3 050150/050550.