Archives: Events

Base Level Engineering (BLE) is an automated riverine hydrologic and hydraulic modeling approach that builds on lessons learned to produce a base line understanding of a community’s flood risk. Base Level Engineering (BLE) creates flood … Continued

Floodway surcharge is the amount of increased flooding that would occur if the floodway fringe is filled. This increase is limited by CFR 60.3 to one-foot. This analysis has historically been analyzed based upon loss … Continued

Storm Drains Keep Swallowing People During Floods–this was the title of a recent ProPublica that told stories of several people that have drowned and disappeared into storm drains during floods and said the problem should … Continued

The National Water Model (NWM) is a hydrologic modelling framework that simulates observed and forecast streamflow over the entire continental United States (CONUS). The NWM simulates the water cycle with mathematical representations of the different … Continued

Flood maps are commonly developed based on historic flood flows. Yet they are used for siting new development that will be in place for 100 years. Flood flows during the life of development is likely … Continued

FEMA has developed an applied approaches document that supplements the Guidance for Flood Risk Analysis and Mapping: Levees (Guidance Document #95) to provide examples of scenarios encountered during a flood risk project. The applied approaches … Continued

Getting the datasets prepared for submittal can at times be challenging. To make the process as easy as possible for Cooperating Technical Partners, FEMA has developed a checklist for the QR3 step in the process. … Continued

Flooding is a significant problem in America’s urban areas. However, urban flood hazards are often not included in the national flood hazard mapping program. A joint study between Texas A&M and the University of Maryland, … Continued

Cooperating Technical Partners submit Business Plans (or an update) for each year they are awarded funding for conducting flood hazard mapping. Plans should: Document the capabilities and accomplishments of the partner. Explain the recipient’s vision … Continued