Hurricane Bertha -- the first hurricane of the 2008 Atlantic season -- increased in strength Monday evening, according to the National Hurricane Center.
While Bertha's power may fluctuate over the next day, it is expected to begin gradually weakening by Wednesday, the center's 11 p.m. ET advisory said.
Bertha's became a major -- or Category 3 -- hurricane Monday afternoon. A Category 3 has wind speeds of 111 to 130 mph. Read full article »