International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
478 WSPA06 PHFO 240539 SIGPAS KZAK SIGMET SIERRA 6 VALID 240535/240935 PHFO- OAKLAND OCEANIC FIR EMBD TS OBS AT 0535Z WI N1000 W17515 - N1300 W16615 - N1015 W16530 - N0745 W17245 - N1000 W17515. TOP FL560. STNR. WKN.