Simplify the following text for a Grade 8 native English-speaking person.
Original: On October 27 , the low developed into Tropical Depression Fourteen about 860 mi ( 1380 km ) south-southwest of the western Azores , and on October 30 it was upgraded to Tropical Storm Lorenzo .
Simplified: Tropical Depression Fourteen formed on October 27 . It became Tropical Storm Lorenzo on October 30 .