 By the early morning hours of August 4 , the NHC upgraded Tropical Depression Eight @-@ E to Tropical Storm Felicia , the seventh named storm of the season . Located within an area of low wind shear and high sea surface temperatures , averaging between 28 and 29 ° C ( 82 and 84 ° F ) , the storm quickly developed , with deep convection <unk> around the center of circulation . These conditions were anticipated to persist for at least three days ; however , there was an increased amount of uncertainty due to possible interaction with Tropical Storm Enrique . Several hours later , the storm began to undergo rapid intensification , following the formation of an eye . Around 2 : 00 pm PDT ( 2100 UTC ) , Felicia intensified into a hurricane . 
