International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
542 WSPA04 PHFO 110421 SIGPAQ KZAK SIGMET QUEBEC 6 VALID 110415/110815 PHFO- OAKLAND OCEANIC FIR EMBD TS OBS AT 0420Z WI N1645 E13245 - N1645 E13800 - N1415 E13615 - N1430 E13245 - N1645 E13245. TOP FL560. STNR. NC.