Both情况and 場合can be translated to "situation / case", but they have different usage in Chinese. 情况describes general conditions, and non-tangible occasion e.g. 緊急情況 Emergency [situation] 特殊情況 special situation 他的情況不太好 He is not in good shape. / His situation is not that good. 在這個情況下，..... Under this situation,..... 場合describes an occasion. 緊急場合 《----WRONG! no such thing in Chinese. 特殊場合 《--OK. [please note the meaning is different here. It means "special scene"] 在這個場合, ...... 《--OK. [ it means "In this environment/occasion , ......] Note: 場 implies "a place/environment"

情况多指事情 场合是地方的形容

情况: case 場合: situation, place