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International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
464 WSPA06 PHFO 192319 SIGPAS KZAK SIGMET SIERRA 4 VALID 192320/200320 PHFO- OAKLAND OCEANIC FIR EMBD TS OBS AT 2315Z WI N0730 W15915 - N0815 W15030 - N0515 W14845 - N0430 W15730 - N0730 W15915. TOP FL560. STNR. NC.