<Table> <Tr> <Th_colspan="2"> The Great Storm of 1987 </Th> </Tr> <Tr> <Th_colspan="2"> </Th> </Tr> <Tr> <Th_colspan="2"> Data </Th> </Tr> <Tr> <Td> Formed: </Td> <Td> 15 October 1987 </Td> </Tr> <Tr> <Td> Dissipated: </Td> <Td> 16 October 1987 </Td> </Tr> <Tr> <Td> Lowest pressure: </Td> <Td> 953 mbar (hPa) </Td> </Tr> <Tr> <Td> Highest winds: </Td> <Td> 139 km / h (86 mph) </Td> </Tr> <Tr> <Td> Highest gust: </Td> <Td> 216 km / h (134 mph) </Td> </Tr> <Tr> <Td> Countries affected: </Td> <Td> <Ul> <Li> France </Li> <Li> United Kingdom </Li> <Li> Spain </Li> <Li> Belgium </Li> <Li> Norway </Li> </Ul> </Td> </Tr> <Tr> <Td> Fatalities: </Td> <Td> 22 </Td> </Tr> <Tr> <Td> Damage: </Td> <Td> UK: £ 2 billion (£ 5.163 billion today) France: 23 billion francs (£ 7.150 billion today) </Td> </Tr> </Table> <Tr> <Th_colspan="2"> The Great Storm of 1987 </Th> </Tr>

When did the great storm of 1987 happen