The phrase "a source of unpredictability" is correct and usable in written English.
You can use it when discussing factors or elements that contribute to uncertainty or variability in a situation.
Example: "The weather can often be a source of unpredictability for outdoor events, making planning difficult."
Alternatives: "a cause of uncertainty" or "a factor of unpredictability."
Experts say the battle for fisheries resources, an often overlooked destabilizing influence in the South China Sea, is a source of unpredictability, volatility and risk.
Many get the sense that Obama sees young (and not so young) activists as foolish and naive, a source of unpredictability and disorder that just makes him uncomfortable.
The physical stimulus itself is also a source of unpredictability since force transmission can be quantified to some degree, but determining how a cell experiences a mechanical stimulus depends upon variables such as substrate stiffness and the type (e.g., compressive, tensile) and magnitude of the resulting strain (reviewed in [44]).
Snape's dalliance with the Death Eaters may have been unforgivable, but his lifelong grievance against James Potter proved to be justified, and the intensity of his mixed motives was a source of perpetual unpredictability and, in the end, tremendous pathos.
The continuing occupation of Azerbaijani territories by Armenian armed forces not only threatens the peace and prosperity in the South Caucasus, but also is a source of instability and unpredictability for the future of the wider region.To resolve the conflict Armenian armed forces should withdraw from the occupied territories of Azerbaijan and displaced persons should return to their homeland.
However, this mechanism raises imbalance-settlement tariffs for all unbalanced gas network users, even if the major source of unpredictability is a clearly identifiable shipper.
Mr. Trump, who has called deal-making his "art form," has used his unpredictability as a source of leverage in discussions with Europe, Canada, Mexico, Japan and elsewhere.
However, some concerns may remain as to its pragmatism given that some potential problems of relying on the sun as a source of energy include seasonality, cloud cover and unpredictability, as well as nightly outages.
His site, random.org, uses atmospheric noise from a radio as a source of disorder; the random numbers at HotBits (www.fourmilab.ch/hotbits) are generated by radioactive decay; and LavaRnd (www.lavarnd.org) taps the unpredictability of lava lamps.
Energy economist Ryan Wiser of Lawrence Berkeley National Laboratory in California says that any one wind turbine can fail and that in general the power source "has a level of unpredictability" greater than for most traditional sources.
