NEW : Bertha 's winds increase from 120 mph to 115 mph . A satellite picture from 5:45 a.m . ET Monday shows Hurricane Bertha over the Atlantic . CNN could be affected by the hurricane May 31 . Likelihood of storm making landfall in Mexico is very small . Bertha is the first hurricane of the 2008 Atlantic hurricane season .
NEW : Bertha 's winds increase from 120 mph to 115 mph . CNN could be affected by the hurricane May 31 . Likelihood of storm making landfall in Mexico is very small . Bertha is the first hurricane of the 2008 Atlantic hurricane season .