The trough also enhanced the upper-level outflow of the depression , and at NUMBER@1 UTC on August NUMBER@2 the depression intensified into Tropical Storm Alberto while located about NUMBER@3 miles -LRB- NUMBER@4 km -RRB- east of LOCATION@1 , LOCATION@2 .

It tracked quickly northeastward , and intensified into a tropical storm at its record latitude on August NUMBER@2 while located about NUMBER@3 miles -LRB- NUMBER@4 km -RRB- east of the LOCATION@2 island of LOCATION@1 .
