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International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
227 WSPA06 PHFO 191931 SIGPAS KZAK SIGMET SIERRA 3 VALID 191920/192320 PHFO- OAKLAND OCEANIC FIR EMBD TS OBS AT 1930Z WI N0800 W15715 - N0745 W14745 - N0430 W14715 - N0445 W15730 - N0800 W15715. TOP FL560. STNR. NC.