 In conjunction with a ship observation and satellite intensity estimates, the disturbance acquired enough organization to be deemed a tropical depression at 2100 UTC on June 2.Over the subsequent hours after its formation, little change in organization was noted, with multiple low-level centers rotating within a broader circulation positioned on the south side of the deepest convection.However, a pair of Advanced Scatterometer (ASCAT) passes early on June 3 revealed sustained winds just above the tropical storm threshold, and the depression was subsequently upgraded to Tropical Storm Boris.