Hydrology Education

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hydrology Education

Curious how hydrologists track rainfall patterns or monitor river levels? Want to learn more about what goes into river forecasts?

Hydrology is a complex science overlapping with many other sciences such as meteorology, geology, agronomy, and geography. Accurate river forecasts can't be made without accurate weather forecasts, for example. Learn more about the basics of hydrology such as the water cycle, monitoring current conditions, forecasting, and human impacts on hydrology, below.