'phenomenal impact' is a perfectly correct and usable phrase in written English and can be used in many contexts.
For example, "The new program had a phenomenal impact on helping children in the community learn valuable skills."
Chris said: "We've done the maths; the project stands to have a phenomenal impact.
The phenomenal impact being made by small charities on local communities is truly uplifting.
For decades, commentators have acknowledged Andy Warhol's phenomenal impact on contemporary art.
In industrial drives applications, fractional order controllers can exhibit phenomenal impact due to realization through digital implementation.
Wired has mapped the phenomenal impact of Pokémon Go in numbers and we will get more data in the coming weeks on the true effect of the app.
The answer lies in the phenomenal impact Venus and Serena had on their sport when they were winning major titles in that dizzy period between 1999 and 2003.
Reacting to China choosing Leeds as a base for 2012: a) Leeds council: "This is a phenomenal honour – the impact will be felt for generations.
Part of Miesque's legacy is that she went on to be a phenomenal broodmare, and her impact is felt to this day.
What if your company doesn't have an entire department devoted to CSR? Get involved in other ways, such as by joining and/or taking a leadership role in phenomenal organizations like Net Impact.
Music historian Richie Unterberger characterized their impact as "phenomenal popularity", and the Kingston Trio's massive record sales in its early days made acoustic folk music commercially viable, paving the way for singer-songwriter, folk rock, and Americana artists who followed in their wake.
"The impact has been phenomenal," said Harvey.
