International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
971 WSPA13 PHFO 011954 SIGPAZ KZAK SIGMET ZULU 4 VALID 011950/012350 PHFO- OAKLAND OCEANIC FIR EMBD TS OBS AT 1950Z WI N0900 W15100 - N0515 W15345 - N0445 W16215 - N0800 W16045 - N0900 W15100. TOP FL530. STNR. NC.