Has the name Nolo been retired?
No. Nolo is on Central Pacific list 1, and it is not on NHC’s list of retired central and eastern Pacific names (Tropical Cyclone Naming History and Retired Names).
When will Nolo be used again?
When the rotation reaches it. Central Pacific names are used one after the other, and after the last name of list 4 the rotation goes back to list 1 (Tropical Cyclone Names). The next name up is Olana; Nolo comes 47 names after it.
Why was the storm named Nolo?
Nolo is name 8 of 12 on Central Pacific list 1. The Central Pacific Hurricane Center names storms that reach tropical-storm strength between 140°W and the International Date Line, taking the next name in the rotation, so a Hawaiian name belongs to whichever storm comes along when its turn arrives.