WOUK57 EGRR 171547 WOUK57 EGRR 171546 OB98 PORTPATRICKRADIO GALE WARNING WEDNESDAY 17 SEPTEMBER 1546 UTC ROCKALL SOUTHWESTERLY STORM FORCE 10 DECREASING SEVERE GALE FORCE 9 IMMINENT 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