[3] Early on May 31, the low was found better organized, leading the NHC to classify the disturbance as a tropical depression at 12:00 UTC on May 31 around 150 miles (240 km) southwest of Puerto Angel, Mexico.

In an environment defined by warm waters and light to moderate wind shear the depression was upgraded into Tropical Storm Beatriz while 40 miles (64 km) southwest of Puerto Angel at 18:00 UTC on June 1.

[5] Beatriz reached its peak intensity with maximum sustained winds of 45 mph (75 km/h) and a minimum barometric pressure of 1002 mbar (hPa; 29.59 inHg) shortly before making landfall west of Puerto Angel that evening.

[9] In preparation for Beatriz, the government of Mexico issued a Tropical Storm Watch and eventually Warning from Salina Cruz to Puerto Escondido in Oaxaca.

News reports indicated that hundreds of mudslides occurred across Southwestern Mexico leaving dozens of roads impassible including sections of Federal Highway 200.