Floods swept through much of the city ; rain fell . More than double the average monthly rainfall falls in 48 hours . Slow - moving storm surge has spawned tornadoes in Italy , Greece , and Turkey . A day of mourning has been declared ; at least 11 died .
Floods swept through parts of the city ; rain continues . More than double the average monthly rainfall falls in 48 hours . Slow-moving weather system has spawned tornadoes in Italy , Greece , and Turkey . A day of mourning has been declared ; at least 11 die .