Closures of the Thames Barrier since it became operational in 1982
Standfirst ...
Tidal flooding
Fluvial flooding
0
20
40
60
80
6
39
33
36
4
18
19
50
Sept 1982-May 1992
Sept 1992-May 2002
Sept 2002-May 2012
Sept 2012-May 2022