The phrase "flood tide" refers to the rising or incoming tide in the ocean. It happens when the water level increases towards the shore, bringing more water with it. Full definition
Economies and climate conditions surge and ebb, but connectivity and communication are spreading and cresting in a one - way flood tide of information and imagery. (dotearth.blogs.nytimes.com)
It is set against a backdrop of rising flood tides in Britain and the seismic fragility of the Canaries, where we also observe the flow of immigrants from an increasingly war - torn Middle East. (bookbrowse.com)
The present flood tide of prosperity in the automobile industry is due to the fact that people of moderate means, who have been waiting until a thoroughly serviceable car embodying the latest improvements was placed on the market at a low price, are now being accommodated.» (scientificamerican.com)