After crossing LOCATION@1 , Hurricane Hunters indicated a poorly defined circulation , but with winds exceeding tropical storm strength , and the system was designated as Tropical Storm Erika late on August NUMBER@1 while located NUMBER@2 miles -LRB- NUMBER@3 km -RRB- west of LOCATION@2 .

After crossing LOCATION@1 , Hurricane Hunters showed a poor circulation , but with winds higher than tropical storm strength , and the system was designated as Tropical Storm Erika late on August NUMBER@1 while located NUMBER@2 miles -LRB- NUMBER@3 km -RRB- west of LOCATION@2 .
