****0000000173****
WSSG31 GOOY 280800

GOOO SIGMET B3 VALID 280800/281200 GOBD-
GOOO DAKAR OCEANIC FIR/UIR EMBD TS OBS AT 0750Z 
W OF LINE N0557 W01754 - S0013 W01152
 TOP FL470 STNR NC=