International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
631 WSPA11 PHFO 242219 SIGPAX KZAK SIGMET XRAY 4 VALID 242220/250220 PHFO- OAKLAND OCEANIC FIR FRQ TS OBS AT 2215Z WI N1645 E13930 - N0845 E13815 - N1100 E13215 - N1715 E13330 - N1645 E13930. TOP FL520. STNR. NC.