The word "deluge" means a severe flood or overwhelming amount of something, like a sudden heavy rain or a large quantity of information. Full definition
If you're not a federal campaign, you may want to stay clear of the end of quarter deluge of fundraising emails. (epolitics.com)
WATERY TALES A member of an Aboriginal community in Australia's Northern Territory discusses local tales of ocean deluges with a visiting researcher. (sciencenews.org)
In his 1864 book Man and Nature (original title: Man the Disturber of Nature's Harmonies), George Perkins Marsh catalogued numerous examples of changing climate conditions on losing forests and wrote, «When the forest is gone, the great reservoir of moisture stored up in its vegetable mold [humus] is evaporated, and returns only in deluges of rain to wash away the parched dust into which that mold has been converted. (scientificamerican.com)