Simplify the following text for a Grade 9 native English-speaking person.
Original: Agatha made landfall that afternoon near Champerico , Guatemala with winds of 45 mph ( 75 km\/h ) .
Simplified: Moving toward land , Tropical Storm Agatha peak as a weak tropical storm with winds of 45 mph ( 75 km\/h ) . Tropical Storm Agatha had made landfall near the Mexico and Guatemala border .