48C
Temporary speed restrictions are introduced when train rails reach this temperature
41.5C
Temperature on the tube during 2003 heatwave
38.5C
Highest daytime temperature recorded in the UK, 10 August 2003 near Faversham, Kent
33C
Tarmac roads may begin to melt
24.5C
A rise in deaths may become apparent
24C
If temperatures persist for three days in a row, London Underground supply bottled water
48C
Temporary speed restrictions are introduced when train rails reach this temperature
41.5C
Temperature on the tube during 2003 heatwave
38.5C
Highest daytime temperature recorded in the UK, 10 August 2003 near Faversham, Kent
33C
Tarmac roads may begin to melt
24.5C
A rise in deaths may become apparent
24C
If temperatures persist for three days in a row, London Underground supply bottled water