"dramatic upswing" is a correct and usable phrase in written English.
You can use it to describe a sudden, significant increase or change in a situation. For example: "The company's profits have seen a dramatic upswing since the new CEO took over."
"We don't expect to see a dramatic upswing, but looking at our backlog, we see continued, steady growth," he said.
The dramatic upswing in prices in 2007-08 turned attention toward poor consumers as many countries struggled with food riots, mounting malnutrition, and the adoption of grain self-sufficiency policies.
And as Lustig lucidly wrote in "Fat Chance," his compelling 2012 book that looked at the causes of our diet-induced health crisis, it's become clear that obesity itself is not the cause of our dramatic upswing in chronic disease.
After a dramatic upswing in donations, The New York Times Neediest Cases Fund set a record on Tuesday, surpassing the $8.03 million collected in last year's campaign, also a record.
The United States is prosecuting suspected pirates who have attacked American vessels, and we and our partners continue to offer financial aid and tangible, practical support to build judicial capacity in the region.The increase in the sophistication of attacks, and the dramatic upswing in the size of ransoms demanded and the amount of money paid to pirates, is alarming.
This is a city on a dramatic upswing.
These are just some of the recent headlines from the Eastern seaboard, reflecting this winter's dramatic and nationwide upswing in water main breaks - the result of years of neglect and inadequate maintenance that have left our water systems vulnerable to damage from subzero temperatures.
All this changed in 2003-2004, but nowhere was the upswing more dramatic than for fertilizer companies like Potash.
If you plotted the Human League's career trajectory on a graph, it would be notable for its violent upswings and dramatic downturns.
"The tour before that [to promote the Octopus LP], we lost about £32,000". If you plotted the Human League's career trajectory on a graph, it would be notable for its violent upswings and dramatic downturns.
Dramatic exchange rate fluctuations tend to portend upswings in protectionist pressure.
