The phrase "a persistent area" is correct and usable in written English.
It can be used to describe a specific location or region that consistently exhibits certain characteristics or conditions over time.
Example: "The researchers identified a persistent area of high pollution levels in the river, which required immediate attention."
Alternatives: "a constant region" or "an enduring zone".
The ideal substrate environment that promotes cellular proliferation has been a persistent area of interest in tissue engineering.
A persistent area of controversy is the relationship between the LCF and a socially conservative campaign group, Christian Concern, which other evangelical Christians increasingly regard as extreme.
It is a persistent area of high pressure near Bermuda that both keeps us in warmer air masses and pushes the storm track to our north and west.
The supercharged snowfall pattern in early March has largely resulted from a persistent area of low pressure stretching from the West Coast through the northern tier of the United States, which has incited storminess.
On September 14, a persistent area disturbance weather was first visible on satellite imagery.
On July 4, a persistent area of thunderstorms organized into a tropical depression.
The upper-level low was located within a large, persistent area of convection from the Gulf of Mexico through the central Atlantic, which resembled the Intertropical Convergence Zone but at a higher latitude.
The origins of Nelson can be traced back to a small and disorganized, but persistent area of disturbed weather, which was first observed on August 15.
The preceding slip history in the source area on the megathrust and the coseimic slip distribution of the Tohoku-Oki earthquake suggest the existence of a persistent locked area.
d On ultrasound, a persistent hypoechogenic area was noted that appeared to have increased in extent (arrow).
An example of a persistent hot area is the municipality of Cundinamarca, which includes the city of Bogotá.
