Simplify the following text for a Grade 12 native English-speaking person.
Original: Tropical Storm Delta was a late-forming tropical storm of the 2005 Atlantic hurricane season which struck the Canary Islands as a strong extratropical storm causing significant damage and then crossed over Morocco with little impact there .
Simplified: Tropical Storm Delta was a late-forming tropical storm which affected the Canary Islands and Morocco as a strong extratropical storm .