Simplify the following text for a Grade 8 native English-speaking person.
Original: The records set by Tip still exists , although because Reconnaissance Aircraft missions in the western Pacific Ocean stopped in August 1987 , some people think there might be slightly stronger cyclones .
Simplified: The records set by Tip still stand . However , due to the end of routine Reconnaissance Aircraft in the western Pacific Ocean in August 1987 , modern researchers questioned if Tip is the strongest on record .