 A few hours after developing , the depression attained tropical storm status , or winds of at least 40 mph ( 65 km / h ) . Upon doing so , the National Hurricane Center ( NHC ) gave it the name " Olaf " . The upper @-@ level low , which was moving away from the region , caused the storm to move northward toward the Mexican coast . Olaf quickly intensified , as evidenced by reports from a nearby ship , and the winds reached 70 mph ( 115 km / h ) by late on September 27 ; the NHC anticipated further intensification to hurricane status , or winds of at least 75 mph ( 120 km / h ) . Instead , interaction with the rough terrain of Mexico caused weakening . Olaf made landfall on <unk> Cruz , Oaxaca early on September 29 as a 35 mph ( 55 km / h ) tropical depression . Within a few hours , the circulation was not evident on satellite imagery , and the NHC discontinued advisories . 
