International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
827 WSPA06 PHFO 271426 SIGPAS KZAK SIGMET SIERRA 6 VALID 271425/271825 PHFO- OAKLAND OCEANIC FIR EMBD TS OBS AT 1425Z WI N1630 E15600 - N1530 E16430 - N1015 E16615 - N1000 E15345 - N1500 E14730 - N1630 E15600. TOP FL540. STNR. NC.