Video: Hail, lightning and flash floods cause weather chaos Northern England, the Midlands, Scotland and Northern Ireland were worst hit by battering storms that brought lightning, giant hail stones and and reports of damage from squalls and tornadoes. More than a thousand homes and businesses were flooded last weekend after torrential downpours across the north, with a month's rain falling in 24 hours in some places. Earlier in the month, flash floods brought havoc to communities in west Wales following heavy rainfall. Footage courtesy Marc Burton and Tim Mather