reported to have caused minimal crop damage, but was certainly an incredible sight from a distance. let's not forget the southern hemisphere winter. a rare widespread snowfall brought crowds in southern brazil injuly. many of them seeing snow for the first time. now for some of your weather watch pictures from northern ireland's hottest weather on record. with the temperature reached 43.3 celsius onjuly the 21st. this heatwave saw northern ireland and of wales and england covered by a new met office extreme heat warning, designed to highlight the danger prolonged heat can have on people's health. still to come on weather world. no time for delay and no room for excuses. the urgent morning ahead of a key climate summit later this year. there is no denial any more.