Meteorological History
On August 20, a tropical wave became discernible about 800 miles (1300 km) off the coast of Mexico, which in the next day developed a large area of convection, or thunderstorms. Initially, conditions were unfavorable for development, due to strong upper-level wind shear. Tracking northwestward parallel to the Mexican coast, the system became better organized on August 22, though later that day its structure deteriorated. On August 23, a strong area of convection developed and persisted near a circulation center, despite strong wind shear. With banding features becoming more prominent, the National Hurricane Center (NHC) classified the system as Tropical Depression Eleven-E about 345 miles (555 km) south-southeast of the southern tip of the Baja California Peninsula.
The tropical depression initially moved northwestward around the southwestern periphery of a ridge over Mexico. Convection continued to develop to the west of the center, and late on August 23, a ship report confirmed the depression intensified Tropical Storm Julio. Initially, the persistent shear left the center partially exposed from the thunderstorm activity, though upper level conditions gradually became more favorable for strengthening. On August 24, Tropical Storm Julio attained peak winds of 50 mph (85 km/h) as intense convection developed near the center. Shortly thereafter, the center became difficult to locate, and late on August 24 the storm moved ashore along the southwestern coast of the Baja California Peninsula.
Tropical Storm Julio quickly weakened over land, although it initially maintained strong convection near its center. By early on August 26, however, the low-level and upper-level circulations separated, with the upper-circulation continuing quickly northeastward into mainland Mexico; the low-level circulation slowed as it entered the Gulf of California, after having been separated from its deep convection. Later in the day, the NHC discontinued advisories after the storm failed to maintain enough organized convection to be considered a tropical cyclone.
Read more about this topic: Tropical Storm Julio (2008)
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