


Tropical Cyclone Sigmet
Issued by NWS
Issued by NWS
048 WCPA06 PHFO 011511 WSTPAS KZAK SIGMET SIERRA 21 VALID 011515/012115 PHFO- OAKLAND OCEANIC FIR TC IONA OBS AT 1500Z N1436 W17618. CB TOP FL540 WI 180NM OF CENTER. MOV WNW 18KT. WKN. FCST 2100Z TC CENTER N1507 W17746.