International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
664 WSPA07 PHFO 231757 SIGPAT KZAK SIGMET TANGO 3 VALID 231755/232155 PHFO- OAKLAND OCEANIC FIR FRQ TS OBS AT 1755Z WI N1645 E15945 - N1845 E16345 - N1715 E16430 - N1400 E16330 - N1645 E15945. TOP FL500. STNR. NC.