New Delhi, June 21 -- England and Wales reel under heatwaves as both nations recorded with highs of 30.8degC with Friday not being the warmest day of the year so far, according to Met office. Its spokesperson said this comes as thunderstorms warn to strike large parts of northern England on Saturday. Temperatures could go upto to 34degC in isolated areas of England, but rain, hail and lightning may occur.

An official heatwave is declared when temperatures meet or exceed specific thresholds, ranging from 25degC to 28degC, depending on the region, for three consecutive days. According to Met Office meteorologist Becky Mitchell, "many areas" in England and "one or two areas" in Wales, including Cardiff, have now reached heatwave status foll...