 Thirty @-@ one ships encountered Erika from September 4 , when it was a tropical storm , to September 18 , when it was extratropical . Two recorded hurricane force winds , with a peak wind report of 99 mph ( 159 km / h ) . The lowest recorded pressure by a ship was 1000 @.@ 4 mbar ( 29 @.@ 542 inHg ) while located 105 miles ( 170 km ) from Erika as an extratropical storm . The lowest recorded pressure while Erika was a tropical cyclone was 1000 @.@ 5 mbar ( 29 @.@ 545 inHg ) while located 190 miles ( 305 km ) from the center . While passing near the Azores , Tropical Storm Erika produced maximum sustained winds of 30 mph ( 48 km / h ) at Lajes Field . Gusts were much stronger , with a report of 87 mph ( 140 km / h ) in Flores . In addition , a 200 ft ( 61 m ) tower on Lajes recorded a gust of 105 mph ( 169 km / h ) . The storm dropped up to 2 @.@ 35 inches ( 60 mm ) of rain in Flores and produced rough seas throughout the archipelago . Damage , if any , is unknown in the Azores . 
