International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
720 WSPA06 PHFO 301358 SIGPAS KZAK SIGMET SIERRA 1 VALID 301355/301755 PHFO- OAKLAND OCEANIC FIR EMBD TS OBS AT 1355Z WI N1515 E13300 - N1445 E13545 - N1300 E13600 - N1300 E13300 - N1515 E13300. TOP FL540. STNR. INTSF.