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 Vyver Bertha Vyver Bertha Vyver (11 June 1854 – 20 November 1941) was a caretaker for Scottish poet Charles Mackay and the companion of Marie Corelli. From 1875 until his death in 1889, Vyver kept house and nursed Mackay, later caring for her own mother prior to her death. Relieved of her nursing duties, Vyver remained with Corelli encouraging and facilitating her writing career. When Corelli died, Vyver became executor of her literary estate and wrote a biography of the author. Bertha Amelia Adriana Francisca van der Vyver was born on 11 June 1854 as one of three daughters born to