Several parts of Brownsville , Texas have clay-loam soils .
Several parts of the city have a high risk of localized flooding due to flat topography , ubiquitous low-permeability clay soils , and inadequate infrastructure funding. Located on the Gulf Coast approximately 2.4 degrees north of the Tropic of Cancer , Brownsville possesses a humid subtropical climate ( Köppen Cfa ) : winters are mild , summers are hot and humid .
Brownsville, Texas