Glad you asked...
When you write a situational analysis, you are identifying a problem, then presenting a solution. Then you explain how you are going to implement the solution. This explains the situation analysis well: http://marketing.about.com/od/marketingp...
Then again, this answer might help you...
A well written situation analysis is an overview of events are that have occurred and have conflicted one another. The analysis is usually a comparative one.

