Hurricane Dolly (2008) and warm sea surface temperatures. Dolly strengthened steadily beginning on July 21, and by the afternoon of July 22, it strengthened into a Category 1 hurricane on the Saffir-Simpson Hurricane Scale. At this point, the storm was located about 165 mi (265 km) east-southeast of Brownsville, Texas. Steady strengthening continued that evening and into the morning of July 23, at which point Dolly reached Category 2 intensity while just east of the Rio Grande Valley at 10:00 that morning with winds of up to 100 mph (160 km/h) and a minimum central pressure of 963 mbar. At 1:00 pm CDT
Hurricane Dolly (2008) another tornado near Poth early on July 24 with minor damage. Near noon on July 24, an EF0 tornado touched down in the southern edge of downtown San Antonio near the Interstate 10–Interstate 37 interchange. Significant damage was reported in the area, with several commercial buildings losing their roofs and numerous houses damaged. Damage was also reported at the Windcrest Tower. About 1,500 customers lost power as a result. Flash flooding from the remnant low of Dolly occurred in El Paso, Texas, on July 26: one person was killed in an adjacent portion of New Mexico from a weather-related traffic