ZCZC GB39 GALE WARNING SATURDAY 04 APRIL 2154 UTC VIKING SEVERE GALE FORCE 9 BACKING NORTHEASTERLY IMMINENT BACKING NORTHWESTERLY AND INCREASING STORM FORCE 10 SOON FORTIES GALE FORCE 8 INCREASING STORM FORCE 10 IMMINENT VEERING NORTHWESTERLY AND INCREASING VIOLENT STORM FORCE 11 SOON FAIR ISLE GALE FORCE 8 NOW BACKED NORTHEASTERLY BACKING NORTHERLY AND INCREASING SEVERE GALE FORCE 9 IMMINENT BACKING NORTHWESTERLY AND INCREASING STORM FORCE 10 SOON NNNN