Use the WaterAlert map to create your custom notifications. WaterAlert: The WaterAlert service sends e-mail or text (SMS) messages to you when certain parameters (including streamflow and gage height/stage) exceed user-definable thresholds, as measured by a USGS real-time data-collection station.Regional and Local Flood Alerts: View current and historical alerts of flooding and response activities subscribe to RSS feeds.WaterWatch: Access current flood and high-flow conditions (image below), along with other streamflow information.The USGS offers multiple products that allow our stakeholders and the public to be notified of high-flow conditions and USGS flood response activities: USGS Flood Current Conditions and Notifications In the resources below you can find a range of useful mapping exercises for understanding and mitigating community flood risk.Use this website to discover real-time and historic flood data and scientific investigations, and learn how we collect data while addressing logistical and technical challenges. Use a search engine to find maps available for your area.įlood mapping exercises carried out with or by communities can provide useful knowledge and for example identify safe evacuation routes, suitable locations for emergency shelters, and community members who are particularly vulnerable to flooding. Many governments have flood risk maps available online, some update risk levels regularly. How are flood maps useful?įlood maps or flood mapping exercises are vital for a range of activities carried out my public, private, and third-sector actors including: to establish and enforce zoning, land use and building standards, when planning and building infrastructure and transportation networks, for flood warning, evacuation and emergency management and planning.įor communities and individuals flood maps are useful for understanding the risk they face and prepare accordingly. Participatory mapping refers to processes where individuals and communities are involved in the mapping processes, their experience and knowledge of the local area and historical flooding is used to create maps. Floods are a natural phenomenon which only become a problem when people and assets are exposed to it. How extensive and deep are floods in an area likely to be under different scenarios? Flood hazard maps could show whether an area is likely to become flooded, what type of floods are most likely, and how bad the flood is likely to be.Ī flood risk map needs to show who or what (people, businesses, infrastructure etc.) is at risk of flooding. Different types of mapsĪ flood hazard map is one that provides information about the hazard. Flood maps also play an important role in risk communication, if people know they live in an area with flood risk they are more likely to seek information on how to protect themselves, and take alerts and warning seriously. If you know what areas have high exposure to flood risk you can choose not to build important infrastructure, like hospitals, there. Flood mapping helps minimise the loss and damage caused by floods. Flood mapping is crucial to flood risk management and risk reduction.
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