The phrase "a continuing onslaught" is correct and usable in written English.
It can be used to describe an ongoing and relentless attack or assault, whether literal or metaphorical.
Example: "The city faced a continuing onslaught of heavy rain, leading to severe flooding in many areas."
Alternatives: "an unrelenting barrage" or "a persistent assault".
That's not surprising in light of a continuing onslaught of the bizarre and suspect: knock-off drugs, herbal versions of illegal drugs, spy cameras, instant debt remedies and, of course, the more salacious.
Trees, power lines and a freeway sign toppled in Southern California on Friday in a continuing onslaught of gale-force winds that is not expected to end until tonight.
The recently released film Noah likewise is a call to all viewers to tread gently on the earth and to treat our environment with care, raising a moral parallel between the flood and the continuing onslaught of climate change on our earth.
Fashion Week has started — or, rather, the continuing onslaught of apparel has resumed after a brief intermission.
What he had not been prepared for, he added, was the continuing onslaught of amplified sound from the church's basement, where a party had been booked.
The continuing onslaught of his degenerative disease meant many feared he might never communicate again.
The counter-sanctions, imposed a year ago, appeared designed to deliver a dual message — "We didn't need your food in the first place" and "Russia will only win by eating what it produces" — and the new measures seem intended to reinforce the message of Russia's resolve against the continuing onslaught of banned food from the enemies.
The continuing onslaught of westward-moving white populations and the mismanagement of the reservations by government officials, however, spawned great bitterness among the Dakota, and in August 1862 their most influential leader, Little Crow (Taoyateduta), led attacks that brought the demise of hundreds of white settlers in a single week.
The counter-sanctions, imposed a year ago, appeared designed to deliver a dual message—"We didn't need your food in the first place" and "Russia will only win by eating what it produces"—and the new measures seem intended to reinforce the message of Russia's resolve against the continuing onslaught of banned food from the enemies.
And the continuing onslaught of extreme prejudice has worked; many dervishes have fled their homeland in recent years. .
The two Ottoman armies were left without effective communications, and so could not organize any combined action against the continuing onslaught by the British Empire infantry in the Judean Hills.
