varies

This would need at least three consecutive days at or above the "heatwave threshold," which varies depending on where you are in the UK.

It varies state by state and ranging from 50% for wealthier states such as California to more than 70% for poor states such as Mississippi, Alabama and West Virginia.

That requires temperatures to exceed a threshold - which varies from 25 to 28C across the UK - for at least three consecutive days.

For this, we would need to see at least three consecutive days at or above the "heatwave threshold" which varies depending on where you are in the UK.

The emotional scale of these losses varies, at first.