This is called radial velocity as it is the component of the target's motion that is along the direction of the radar beam. However, the only motion it can "see" is either directly toward or away from the radar. One of the best features on the 88d Doppler radar is its ability to detect motion. View a sample composite reflectivity image (scroll down). It is used to reveal the highest reflectivity in all echoes. It is composed of the greatest echo intensity (reflectivity) from any elevation angle seen from the radar. View a sample base reflectivity image.Ĭomposite Reflectivity images utilize all elevation scans during each volume scan to create the image. This image is available upon completion of the ½° elevation scan during each volume scan. There are two versions of Base Reflectivity image the short range version which extends out to 124 nm (about 143 miles) and the long range version which extends out to 248 nm (about 286 miles). Taken from the lowest (½° elevation) slice, it is the primary image used to "see what's out there". There are two types available on the web Base (or ½° elevation) reflectivity and Composite reflectivity.īase Reflectivity is the default image. Configurable feeds and analytics in ArcGIS Velocity serve as an engine to these kinds of tasks, enabling effective operational monitoring and situational awareness, which is essential to reduce costs, promote public safety, and plan for what comes next.These images are just as they sound as they paint a picture of the weather from the energy reflected back to the radar. Leveraging and collecting real-time data on snowplow and material deployment operations are critical to optimizing storm response efforts. Today, local government agencies spend billions of dollars on snow & ice response and removal annually, and with winter storms becoming more frequent in many regions, operations and maintenance budgets run the risk of growing unsustainably. As a result, this dashboard enables directors to investigate vehicle activity relative to citizen requests and complaints, understand quantity of deployed material, and measure overall effectiveness of season operations for long-term planning. This comprehensive view is also powered by the vehicle history data and the summary information products generated by the hosted analytics in ArcGIS Velocity. It displays the current and recent locations of all plows in the vehicle inventory. In the Winter Weather Operations solution, the Active Winter Event Dashboard equips operations managers with monitoring capabilities over snow response activities during a weather event. One of the fundamental elements in adverse weather response is coordinating snowplow operations. This solution uses ArcGIS Velocity as an underlying framework and enables real-time data ingestion and big data analysis to make informed operational decisions.ĭifferent components of the solution use different Velocity capabilities. ![]() The ArcGIS Winter Weather Operations solution is a tool used by government bodies to prepare and conduct response activities for extreme weather. Locating and tracking snowplow vehicles are critical to identify which roads have been serviced in real-time and optimize response activity. Cities and counties rely on prompt responsiveness of winter weather machinery to maintain free-flowing traffic. population resides in regions that receive snowfall in the winter months, and the increasing frequency and severity of snowstorms are subsequently consuming a larger percentage of operations and maintenance budgets every year.
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