Hurricane Bertha (2008) weakened to a tropical storm on July 13, and a large upper-level low over the central Atlantic steered it east and southeast. After generally maintaining its strength for several days, an eye redeveloped and convection became more symmetric about the feature on July 18, prompting the NHC to upgrade Bertha to a hurricane around 18:00 UTC that day. The storm rapidly accelerated ahead of a trough off the East Coast of the United States, forcing Bertha into rapidly cooler waters. Its wind field became extremely asymmetric and deep convection near the center dissipated, indicative of an extratropical transition that Bertha
Bertha Johnson Bertha Johnson Bertha Johnson (1846–1927) was the principal of the Association of Home Students, which would become St Anne's College, University of Oxford, and a campaigner for women's education. Her parents were Elizabeth and Dr. Robert Bentley Todd FRS and she was born in Charing Cross on 20 January 1846. Her father was an enthusiast for nursing and he was a Professor at King's College, London.She was educated at home with her brother and she excelled at music and the arts. She played the piano and her work was exhibited at the Royal Academy. She was one of the first