International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
691 WSPA06 PHFO 141057 SIGPAS KZAK SIGMET SIERRA 4 VALID 141055/141455 PHFO- OAKLAND OCEANIC FIR EMBD TS OBS AT 1055Z WI N1230 W14300 - N1100 W14030 - N0800 W14130 - S0045 W15215 - N0030 W15530 - N1230 W14300. TOP FL550. STNR. NC.