WSPA05 PHFO 201240 KZAK SIGMET ROMEO 20 VALID 201235/201635 PHFO- OAKLAND OCEANIC FIR EMBD TS OBS AT 1235Z WI N2330 W17100 - N2545 W16745 - N2130 W16030 - N1830 W16045 - N1830 W16700 - N1730 W17045 - N2330 W17100. TOP FL470. STNR. NC. PLEASE ENSURE ALL FUTURE SIGMETS CONFORM TO THE FORMAT SPECIFIED IN ICAO ANNEX 3 CHAPTER 7 AND APPENDIX 6. REGARDS SADIS GATEWAY OPERATOR