WCSA31 SOCA 212116
SOOO SIGMET 4 VALID 212100/220100 SOCA-
SOOO ROCHAMBEAU FIR/UIR TROPICAL TS OPHELIA OBS AT 2100Z JUST ON
NORTH OF FIR ; CB/TS OBS TOPS FL450 BTWN W04000 AND W05000 / NORTH OF
N0600 MOV W 5 KTS WKN=