The Upper Black Warrior Watershed is located in central Alabama and covers an area of approximately 3,940 square miles. The watershed is characterized by a humid subtropical climate with hot summers and mild winters. The area receives an average annual rainfall of 55 inches, and the main sources of surface water in the watershed are the Black Warrior River and its tributaries. The watershed is also home to several reservoirs, including the Bankhead, Holt, and Warrior Lakes. These reservoirs provide drinking water, hydroelectric power, and recreational opportunities for the region. The watershed is vulnerable to occasional flooding due to heavy rainfall in the spring and summer months. As for interesting climatic facts and trends, the area has experienced a recent trend of increased precipitation, and the snowpack in the region is generally minimal due to the mild winters.