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
Hurricane Dolly (2008) (1800 UTC) that same day, Dolly made landfall on South Padre Island, Texas, slightly weaker as a Category 1 hurricane with 85 mph (140 km/h) sustained winds and a pressure of 967 mbar. Hurricane Dolly then moved west-northwestward over the Laguna Madre crossing onto the mainland near the Cameron-Willacy County line. South Padre Island, Port Isabel, Laguna Vista, Los Fresnos, Bayview, Brownsville, San Benito, Rio Hondo, Arroyo City and especially Harlingen suffered heavy wind and flooding. Hurricane Dolly then thrashed the Delta Region along and north of Highway 107 with its most fierce winds and rain. Towns like Santa Rosa,