The phrase "a sudden wave" is correct and usable in written English.
It can be used to describe an unexpected surge or influx of something, such as emotions, people, or events.
Example: "As she walked into the room, a sudden wave of nostalgia washed over her, bringing back memories of her childhood."
Alternatives: "an unexpected surge" or "a swift influx".
Anneli Ivarsson, a pediatrician at Umea University, recalled a sudden wave of "terribly sick" infants.
We are unlikely to experience a sudden wave of matadorial dribbling from here on.
Unfortunately, this tends to arrive in a sudden wave, before the government has the capacity to absorb it.
With a sudden wave of his fingers he pulled a red foam ball from an unsuspecting reporter's hair and made it reappear in her palm, then vanish.
Does this mean that Britain is experiencing a sudden wave of entrepreneurship as ex-wage slaves decide to run their own businesses?
When England are capable of these performances it is difficult not to feel a sudden wave of optimism about the team's chances in Euro 2016.
With unemployment rising and housing costs still high, cities around the country are experiencing a new and sudden wave of homelessness.
Like Jon Chait and Matt Yglesias, I'm a little puzzled by the sudden wave of optimism about a potential deal based on the Gang of Six's just-released bipartisan deficit reduction plan.
The passage of the law is less like the breaching of a dam, unleashing some sudden wave that transforms the political terrain all at once, than like the slow seepage of water into sediment, gradually becoming so absorbed into the culture that it can no longer be readily removed.
Now, with a public apology and sudden wave of high-level resignations or retirements, APA is struggling to craft an institutional response that will satisfy its members and long-time detractors, even as some of those pilloried in the probe defend themselves and their colleagues.
(That's also an aspect of the sudden wave of nostalgia for New York in the nineteen-seventies).
