original: The strengthening trend abated early on July 8, due to wind shear, and Bertha rapidly weakened back to a Category 1 hurricane that afternoon.
simplifications: The strengthening trend stopped early on July 8.  Bertha quickly weakened back to a Category 1 hurricane that afternoon. The strengthening stopped on July 8 and Bertha returned to being a Category 1 hurricane. The strengthening trend ended early on July 8. Bertha rapidly weakened back to a Category 1 hurricane. The growing trend subsided early on July 8, due to wind shear. Bertha quickly weakened back to a Category 1 hurricane that afternoon. Hurricane Bertha stopped getting stronger on July 8.  It was only a Category 1 by that afternoon. The strengthening stopped early on July 8 because of wind shear. Bertha rapidly weakened to a Category 1 hurricane that afternoon. Bertha rapidly weakened back to a Category 1 hurricane that afternoon, due to wind shear. The strengthening trend decreased early on July 8. This was due to wind shear. Bertha quickly weakened back to a Category 1 hurricane that afternoon. It stopped strengthening on July 8th because of wind shear and Bertha weakened down to a Cat. 1 hurricane by the afternoon. Hurricane Bertha became less intense early on July 8, due to wind shear. It weakened back to a Category 1 hurricane in the afternoon.