'upon this situation' is correct and usable in written English.
You can use it to describe a certain condition or circumstance. For example, "I had to make a difficult decision based upon this situation."
As I look upon this situation and listen to the debate, I think we're of a mind, all 100, of the seriousness of these weapons of mass destruction.
Mr Lewis replied: "We cannot say, and to impose some sort of grand strategy upon this situation would be, to my mind, to presuppose a knowledge which we do not have".
Consideration should be given to national policies to improve upon this situation such as public and provider education programs.
A number of future recommended strategies and plan of action have been suggested on the basis of the findings of the study to improve upon this situation.
A strategy for improving upon this situation would be to arrange residents into practice-partner teams where they would work together to care for a larger panel of patients.
Our first concern upon learning about this situation was our staff.
Any relationship, godfather, god mother, whatever be the relationships we have with children in all our lives, I wouldn't wish this situation upon anybody.
The debate over so-called graphic novels touches upon this complex situation.
Building upon this central situation, Mr. Pelecanos places Baker, who is still a menace, in a position to dredge up the past and make trouble.
"The Housing Executive board meets on Wednesday to deal with these matters and we met last week with senior officials from the Housing Executive to impress upon them the urgency of this situation.
The group concluded that pulse-contour analysis alone underestimates CO after the profound haemodynamic changes of CPB and cannot be relied upon to guide therapy in this situation without repeat calibration.
