The storm system that spawned deadly tornadoes in Texas brought heavy snow, ice and blustery winds to several US states in the country's midsection, as well as heavy rain in already water-logged areas where flooding has already been blamed for more than a dozen deaths.
And with parts of northern England waterlogged after storms Desmond and Eva, Britain was braced for severe gales and more heavy rain. Storm Frank was forecast to batter western parts of the UK from this morning into tomorrow.
More than 2100 flights across the US were cancelled yesterday - more than half of them at Chicago's two main airports - and 3700 were delayed, according to flight-tracking service FlightAware.
Snow from New Mexico to the Midwest, plus flooding in Arkansas, Missouri and Illinois, piled on top of earlier wild weather across the country.
Highways turned icy and treacherous in New Mexico, and Oklahoma declared a state of emergency after blizzard conditions affected parts of the state and heavy rains fell.