Tropical Cyclone Sigmet
778 WCPA04 PHFO 161330 WSTPAQ KZAK SIGMET QUEBEC 1 VALID 161330/161930 PHFO- OAKLAND OCEANIC FIR TC FRANCISCO OBS AT 1200Z N1130 E14305. CB TOP FL580 WI 250NM OF CENTER. MOV WSW 12KT. INTSF. FCST 1800Z TC CENTER N1135 E14235.
October 1617:29 UTC
778 WCPA04 PHFO 161330 WSTPAQ KZAK SIGMET QUEBEC 1 VALID 161330/161930 PHFO- OAKLAND OCEANIC FIR TC FRANCISCO OBS AT 1200Z N1130 E14305. CB TOP FL580 WI 250NM OF CENTER. MOV WSW 12KT. INTSF. FCST 1800Z TC CENTER N1135 E14235.