ZCZC OB08 GALE WARNING WEDNESDAY 13 MAY 2151 UTC FAIR ISLE NORTHERLY GALE FORCE 8 EXPECTED LATER IMMINENT: EXPECTED WITHIN SIX HOURS OF TIME OF ISSUE SOON: EXPECTED WITHIN SIX TO 12 HOURS OF TIME OF ISSUE LATER: EXPECTED MORE THAN 12 HOURS FROM TIME OF ISSUE NNNN