5   km / h ) ▁the ▁next ▁day ▁before ▁weak ening ▁to ▁tropical ▁de pression ▁intensity ▁at ▁ 0 0 : 0 0   UTC ▁on ▁June   2 4 . ▁Six ▁hours ▁later , ▁it ▁deg ener ated ▁into ▁a ▁rem nant ▁low ▁which ▁slow ed ▁and ▁turned ▁south ward ▁prior ▁to ▁diss ip ating ▁early ▁on ▁June   2 6 . ▁ ▁Trop ical ▁Storm ▁Cal vin ▁ ▁A ▁tropical ▁wave ▁emer ged ▁off ▁the ▁western ▁coast ▁of ▁Africa ▁on ▁June   1 1 , ▁remaining ▁incon sp ic uous ▁until ▁reaching ▁the ▁south western ▁Car ib bean ▁Sea ▁eight ▁days ▁later . ▁The ▁system ▁entered ▁the ▁eastern ▁Pacific ▁on ▁June   2 1 , ▁where ▁steady ▁organization ▁led ▁to ▁the ▁formation ▁of ▁a ▁tropical ▁de pression ▁around ▁ 0 6 : 0 0   UTC ▁on ▁June   2 6 ▁while ▁located ▁ 3 3 0   mi ▁( 5 3 0   km ) ▁south - s out heast ▁of ▁A cap ul co , ▁Mexico . ▁Upon ▁formation , ▁the ▁cy clone ▁moved ▁north - n orth west ▁and ▁then ▁west - n orth west ▁under ▁the ▁dict ation ▁of ▁a ▁subt rop ical ▁r idge ▁to ▁its ▁north . ▁It ▁intens ified ▁into ▁Trop ical ▁Storm ▁Cal vin ▁at ▁ 1 8 : 0 0   UTC ▁on ▁June   2 6 , ▁att aining ▁a ▁peak ▁intensity ▁of ▁ 5 0   m ph ▁( 8 5   km / h ) ▁early ▁the ▁next