What will be the effect on the reading of an altimeter of an aircraft parked on the ground as an active cold front is passing?

Question

Question ATPL - Airline Transport Pilot license - Meteorology

QuizVDS · Accepted Answer

It will first increase then decrease

QuizVDS · Answer

It will remain unchanged

QuizVDS · Answer

It will fluctuate up and down by about +/- 50 feet

QuizVDS · Answer

It will first decrease then increase

Id 414 - ATPL - What will be the effect on the reading of an altimeter of an aircraft parked on the ground as an active cold front is passing?