NEW : Early storms a more active season do n't portend a more active season , forecasters say . Up to three named Eastern Pacific storms are expected , including three to three major hurricanes . An average season in the Eastern Pacific produces 15 named storms , eight hurricanes and four major hurricanes . A major hurricane packs winds well over 100 miles per hour . Uncertainty over formation of an El Nino weather pattern affects the prediction .
NEW : Early storms a more active season do n't portend a more active season , forecasters say . Up to three named Eastern Pacific storms are expected , including three to three major hurricanes . A major hurricane packs winds well over 100 miles per hour . Uncertainty over formation of an El Nino weather pattern affects the prediction .