Global Flash Flood Guidance Program

HRC has designed and is implementing regional flash flood guidance early warning systems globally with its partners, the World Meteorological Organization, U.S. National Oceanic and Atmospheric Administration/National Weather Service and the U.S. Agency for International Development/Office of U.S. Foreign Disaster Assistance.  The partners have signed a quad-parte Memorandum of Understanding for the “Flash Flood Guidance System... Read More

Integrated Forecast and Reservoir Management (INFORM)

The purpose of the Integrated Forecast and Reservoir Management (INFORM) Project is to demonstrate increased water-use efficiency in Northern California water resources operations through the innovative application of meteorological/climate, hydrologic and decision science.  The project included the development and demonstration of integrated operational methodologies to allow the utilization of climate and hydrologic forecasts and associated... Read More

WRNs – International Impact-based Forecasting and Warning Services

HRC is the lead technical organization supporting the U.S. National Weather Service International Affairs Office with a program for the development and implementation of hydrometeorological hazard impact-based forecast and warning services in the Republic of South Africa, El Salvador, Costa Rica, Guatemala, Indonesia and Sri Lanka.  This program  is patterned after similar developments as the... Read More

Collaborative Research: Interannual and Seasonal Variability of Snowpack in the Sierra Nevada from Tree Rings

This is an interdisciplinary research project that combines hydrological and tree-ring data and state-of-the-art modeling practices to improve knowledge of temporal and spatial variability of snowpack, soil moisture, and temperature characteristics at the watershed scale in the North Fork of the American River, which drains into the Sacramento River from the Sierra Nevada of California. Through this project... Read More

The Development of Probabilistic Simulations in HEC-RAS Model Sediment Transport

HRC began a two-year grant in August 2019 collaborating with the U.S. Bureau of Reclamation Upper Colorado Basin (BoR) and the U.S. Army Corps of Engineers Hydrologic Engineering Center (HEC) to develop and implement a methodology and related software for hydraulic and sediment transport simulation with explicit uncertainty characterization of the outputs in conjunction with... Read More

Viet Nam Operational and Analysis Flash Flood Guidance Systems

HRC implemented its Flash Flood Guidance System (FFGS) technology for the Vietnam Institute of Meteorology, Hydrology, and Climate Change (IMHEN) in Hanoi, Viet Nam.  HRC adapted the Flash Flood Guidance System) to support flash flood warnings in Viet Nam.  The systems were adapted for the specific operational conditions in Viet Nam and were applied with... Read More

South Africa Flash Flood Guidance System

HRC implemented its Flash Flood Guidance System for the South African Weather Service (SAWS) covering critical flash flood areas in the Republic of South Africa (RSA).  The System, known as the South Africa Flash Flood Guidance (SAFFG) system is the same as implemented in other parts of the world with refinements added for SAWS needs... Read More

Oman Flash Flood Guidance System

HRC implemented its Flash Flood Guidance System for the Public Authority for Civil Aviation, Directorate General of Meteorology (DGM), Sultanate of Oman.  The System, known as the OMAN Flash Flood Guidance (OMANFFG) system is the same as implemented in other parts of the world with refinements added for DGM needs and requirements with a purpose... Read More

Reducing Urban Disaster Risk in Tegucigalpa, Honduras

Under a subaward with GOAL Honduras, the Hydrologic Research Center is providing technical assistance to a program entitled A Neighborhood Approach to Reduce Urban Disaster Risk in Three High Risk Neighborhoods in Tegucigalpa, Honduras”.  The HRC  tasks are designed to provide tailoring and calibration of numerical models for landslide assessment and for flood analysis with the local... Read More

Water Management Services for the Panama Canal Authority

An integrated hydrometeorological system was designed and implemented by HRC for the utilization of data from various sensors in the 3,300 km2 Panama Canal Watershed for the purpose of producing real-time, spatially distributed, mean areal rainfall estimates, and rainfall and flow forecasts. These forecasts are used by the ACP (Autoridad de Canal de Panama –... Read More