Iran is experiencing its hottest week of the year, with temperatures exceeding 50C in some areas, alongside a severe water crisis due to five years of drought and lower rainfall.
Very high temperatures over several days with temperatures that do not drop at night cause the temperature of the tarmac to rise by several dozen degrees (on the surface), which put severe strain on the underground networks.
Storm Boris has resulted in catastrophic flooding and extreme rainfall across central and eastern Europe, particularly impacting Poland, the Czech Republic, Slovakia, and Alpine regions. The torrential rains have caused significant loss of life and exceptional snowfalls in the Alps, leading to dangerous snow drifts.