International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
992 WSPA10 PHFO 301811 SIGPAW KZAK SIGMET WHISKEY 4 VALID 301810/302210 PHFO- OAKLAND OCEANIC FIR EMBD TS OBS AT 1810Z WI N1630 E14100 - N1530 E14600 - N1230 E14515 - N1300 E14030 - N1630 E14100. TOP FL550. MOV N 10KT. NC.