The phrase "already prevailing" is correct and usable in written English.
It can be used to describe a situation or condition that is currently dominant or widespread at the present time.
Example: "The already prevailing attitudes towards climate change have shifted significantly in recent years."
Alternatives: "currently dominant" or "already established".
He was forcing a particular culture to change its own norms rather than to accept the norm that was already prevailing in a culture.
Higher humidity and moderate temperature favour fast decomposition of organic manure which was already prevailing during that weather (temperature ranged from 23 to 35 °C and humidity ranged from 60 to 90%).
To take a comparison literally is to assess it in the light of a canon of similarity already in play when the comparison is uttered, a generally prevailing or already prevailing canon of similarity.
The already prevailing identity of sex workers as socially dangerous is reflected by HIV discourses that portray sex workers as vectors of disease to the general population.
The difference in codon usage can be to enhance optimal protein structure and function from the already prevailing behaviours in C. albicans.
It follows that the twin shocks of increased road deaths and AIDS actually failed to raise female young adult mortality to levels already prevailing among males before the shocks occurred.
CES hasn't even really started yet, but already some prevailing themes of the show have begun to emerge — I'm talking about tech that helps tie together disparate systems in your home into a a single, mobile-friendly experience.
One market where LNG is already the prevailing shipping fuel is Norway, where implementation of the Norwegian NOx fund, an Environmental Agreement on NOx between business organizations and the Ministry of the Environment, has led to a radical increase in engines operating on natural gas as according to Hoibye (2011).
Mr Gardner said: "Mortgage rates have declined significantly from the already low levels prevailing last year.
This is most likely due to the fact that speeds were already controlled by the prevailing traffic conditions and they already were so low that the system never had to interfere.
This was a minimum price for livestock, which was already above the prices prevailing in the market before the disease took hold (see table).
