Dating disasters 27 worst dates ever
In the UK, winds at Shoreham-by-Sea, Sussex reached 100 kn (190 km/h; 120 mph) before the anemometer failed.
According to the Beaufort scale of wind intensities, this storm had winds of hurricane force 12 (73 mph or greater); as the term hurricane refers to tropical cyclones originating in the North Atlantic or North Pacific, the descriptor "great storm" has tended to be reserved for those storms in recent years reaching this velocity.
The storm caused substantial damage over much of England, felling an estimated 15 million trees There have been many claims that the damage to forestry was made worse by broadleaf trees still being in leaf at the time of the storm, though this was not borne out by an analysis by the Forestry Commission.
Fallen trees blocked roads and railways and left widespread structural damage primarily to windows and roofs.
The first gale warnings for sea areas in the English Channel were issued at 0630 UTC on 15 October and were followed, four hours later, by warnings of severe gales.
At 1200 UTC on 15 October, the depression which originated in the Bay of Biscay was centred near 46° N, 9° W and its depth was 970 mb.
In south-east England, where the greatest damage occurred, gusts of 70 knots (130 km/h; 81 mph) or more were recorded continually for three or four consecutive hours.
Dramatic increases in temperature were associated with the passage of the storm's warm front.
Perhaps the most important warning was issued by the Met Office to the Ministry of Defence (Mo D) at 0135 UTC, 16 October.
It warned that the anticipated consequences of the storm were such that civil authorities might need to call on assistance from the military.
Several hundred thousand people were left without power, not fully restored until more than two weeks later.
Local electric utility officials later said they lost more wires in the storm than in the preceding decade.