WSFG20 TFFF 250455
SOOO SIGMET 06 VALID 250500/250900 TFFF-
SOOO CAYENNE FIR/UIR SEV ICE OBS WI N0215 W05430 - N0315 W05415 -
N0500 W05430 - N0530 W05400 - N0545 W05400 - N0600 W05245 - N0345
W05230 - N0345 W05200 - N0215 W05245 - N0215 W05430 FL175/195 STNR NC
=