Weather Radars Articles

  • Case study - Weather data for nautical information system

    In Lemwerder, Germany at the Weser River, wind direction and speed are measured and transferred in 60 second intervals via the OTT netDL 1000.  The data is transmitted, wireless, over a distance of 600 meters to the radar tower in Ritzenbuettel, where it is integrated into the ship traffic network - the Authority for Water and Navigation (WSA), Bremen. The WSA is also responsible for ...


    By The OTT Hydromet Group

  • Wet weather flow management

    For years, population explosion, demographic shifts, urbanization, aging infrastructure, limited water resources, and economic development have driven our water market, and with that our world’s need for total water solutions. ...


    By CH2M Hill Companies, Ltd.

  • Automated convective and stratiform precipitation estimation in a small mountainous catchment using X-band radar data in Central Spain

    For the purposes of weather nowcasting, flood risk monitoring and water resources assessment, it is often difficult to achieve a reliable spatio-temporal representation of rainfall due to a low rain gauge network density. However, quantitative precipitation estimation (QPE) has acquired new prospects with the introduction of weather radars, thanks to their higher spatio-temporal resolution. ...


    By IWA Publishing

  • Urban pluvial flood prediction: a case study evaluating radar rainfall nowcasts and numerical weather prediction models as model inputs

    Flooding produced by high-intensive local rainfall and drainage system capacity exceedance can have severe impacts in cities. In order to prepare cities for these types of flood events – especially in the future climate – it is valuable to be able to simulate these events numerically, both historically and in real-time. There is a rather untested potential in real-time prediction of urban ...


    By IWA Publishing

  • Big data and hydroinformatics

    Big data is popular in the areas of computer science, commerce and bioinformatics, but is in an early stage in hydroinformatics. Big data is originated from the extremely large datasets that cannot be processed in tolerable elapsed time with the traditional data processing methods. Using the analogy from the object-oriented programming, big data should be considered as objects encompassing the ...


    By IWA Publishing

  • Flash flooding prediction in regions of northern Vietnam using the KINEROS2 model

    Flash flooding (FF) in Vietnam has become an important issue due to increasing loss of property and life. This paper investigates FF prediction using the Kinematic Run-off and Erosion model to perform comprehensive analyses to: (1) evaluate the role of initial soil moisture (θ) conditions using the Bridging Event and Continuous Hydrological model; (2) model the discharge (Q) using different ...


    By IWA Publishing

  • Assimilation of weather radar and binary ubiquitous sensor measurements for quantitative precipitation estimation

    Assimilation of data from heterogeneous sensors and sensor networks is critical for achieving accurate measurements of environmental processes at the time and space scales necessary to improve forecasting and decision-making. Owing to different measurement accuracies and types of spatial and/or temporal measurement support of the component sensors, it is often unclear how best to combine these ...


    By IWA Publishing

  • Rugged Tablet helps with Data collection in tornado clean-up - Case Study

    Challenge After a massive tornado wiped out much of the city of Joplin, Missouri, Asbell Excavating needed to find all of the downed transformers, note their location, then go back and clean up the spills before serious environmental damage could occur. Solution GPS points were imported first into an Excel spreadsheet then into Carlson Takeoff, put it on the ...


    By Handheld UK and Ireland Ltd

  • Fairhaven Solar Installation Case Study

    Project Overview Dynamic and Patriot have been working together since 2012 on number of ground mount projects, both post driven and ballasted. Fairhaven Landfill emerged onto the radar in October 2012, with a year-end deadline rapidly approaching. During that same time period, Patriot’s installation crew was deployed in central Massachussets, halfway through ...


    By Patriot Solar Group

  • Development of method for X-band weather radar calibration

    Calibration of the X-band LAWR (Local Area Weather Radar) is traditionally based on an assumed linear relation between the LAWR radar output and the rainfall intensity. However, closer inspection of the data reveal that the validity of this linear assumption is doubtful. Previous studies of this type of weather radar have also illustrated that the radar commonly has difficulties in estimating ...


    By IWA Publishing

  • Evaluating the accuracy of C- and X-band weather radars and their application for stream flow simulation

    This paper investigates the accuracy of rainfall estimates from C- and X-band weather radars and their application for stream flow simulation. Different adjustment procedures are applied to raw radar estimates using gauge readings from a network of 12 raingauges. The stream flow is simulated for the 48.17 km2 Molenbeek/Parkbeek catchment located in the Flemish region of Belgium based on a lumped ...


    By IWA Publishing

  • Improved wet weather wastewater influent modelling at Viikinmäki WWTP by on-line weather radar information

    Municipal wastewater treatment plant (WWTP) influent is typically dependent on diurnal variation of urban production of liquid waste, infiltration of stormwater runoff and groundwater infiltration. During wet weather conditions the infiltration phenomenon typically increases the risk of overflows in the sewer system as well as the risk of having to bypass the WWTP. Combined sewer infrastructure ...


    By IWA Publishing

  • How Cuba turns early warning into joined-up action

    Cuba's early warning approach holds lessons for other countries, write disaster risk reduction specialists Veronica F. Grasso and José Rubiera. Advances in the early warning of natural hazards could bring great benefits to countries and communities. But early warning needs early action: if political will and coordination are lacking, the advantages could be lost. What a ...


    By SciDev.Net

  • Acting on disaster warnings: Don`t miss the human factor

    We need to understand why some people act on early warnings while others ignore them, says disaster preparedness specialist Sudhir Kumar. The Great East Japan Earthquake and subsequent tsunami of 11 March 2011 challenged global ideas about responding to disasters. It showed that structural defences alone, such as breakwaters, coastal dykes and tidal barriers, cannot provide protection ...


    By SciDev.Net

  • Radar-rainfall estimation algorithms of Hydro-NEXRAD

    Hydro-NEXRAD is a prototype software system that provides hydrology and water resource communities with ready access to the vast data archives of the U.S. weather radar network known as NEXRAD (Next Generation Weather Radar). This paper describes radar-rainfall estimation algorithms and their modular components used in the Hydro-NEXRAD system to generate rainfall products to be delivered to ...


    By IWA Publishing

  • Long-term evaluation of gauge-adjusted precipitation estimates from a radar in Norway

    The implementation of weather radars in Norway by the Norwegian Meteorological Institute (met.no) has made radar a potential tool to improve hydrologic predictions through the use of distributed precipitation input. Met.no supplies gauge-adjusted quantitative hourly radar precipitation estimates. A key concern regarding the use of radar precipitation estimates in hydrology is their accuracy. In ...


    By IWA Publishing

  • Development of the Stormwater Information System that protects life and property from floods

    The Stormwater Information System distributes storm pump operating conditions, etc. to residents in real time via the Internet utilizing a private network that employs optical fibers installed in sewer pipes. Information to be distributed includes advisory and warning information relating to weather data, weather radar information, river information, emergency disaster information, refuge maps, ...

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