The NHC upgraded Bertha to a Category 2 with winds of 105 mph ( 170 km\/h ) and stated that Bertha could intensify further to major hurricane status again , but instead weakened into an 85 mph ( 135 km\/h ) Category 1 hurricane .
The NHC upgraded Bertha to a category two hurricane with winds of 105 mph ( 170 km\/h ) and stated that Bertha could strengthen further to a major hurricane again , but instead weakened into an 85 mph ( 135 km\/h ) category 1 hurricane .