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International Sigmet / Convective Sigmet
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WSPA12 PHFO 181225
SIGPAY

KZAK SIGMET YANKEE 3 VALID 181225/181625 PHFO-
OAKLAND OCEANIC FIR EMBD TS OBS AT 1225Z WI N0930 W17245 - N0830
W16530 - N0630 W16445 - N0415 W17100 - N0545 W17300 - N0930 W17245.
TOP FL580. MOV W 10KT. NC.