Simplify the following text for a Grade 13 native English-speaking person.
Original: The National Hurricane Center issued numerous tropical storm watches throughout the storm 's duration , while in Costa Rica a red alert warning was placed into effect across much of the country , and over 100,000 people were evacuated .
Simplified: The National Hurricane Center gave out a lot of tropical storm watches while the storm was still alive , while in Costa Rica a red alert warning was put into effect across much of the country , and more than 100,000 people were told to move to safer places .