 By 1500 UTC on September 27 , the National Hurricane Center declared Bonnie extratropical , since it was losing tropical characteristics . Bonnie re @-@ acquired tropical characteristics , and the National Hurricane Center resumed advisories on the storm by 2100 UTC on September 28 . However , post @-@ analysis indicated that Bonnie remained tropical during that time period . Bonnie re @-@ strengthened to a strong tropical storm before vertical wind shear weakened it while approaching the Azores . Shortly before becoming extratropical on September 30 , Bonnie passed through the Azores as a moderately weak tropical storm . One location in the Azores reported tropical storm force winds . In addition , one man was killed by a rock fall on the island of São Miguel . No damage was reported in association with Bonnie . 
