Impact Summary
Introduction¶
Not every system includes Impact Summary information. Impact Summary provides a tabular view of all the assets and associated data. Assets correspond to infrastructure that can be at risk due to flooding. Assets, including culverts, bridges, stream crossings and other infrastructure, are evaluated for risk status based on streamflow estimated at the asset compared to the capacity of the asset. The estimated streamflow is determined by routing the streamflow from the upstream station to the asset location. Routing involves accounting for travel time and attenuation of the hydrograph as the flow is impacted by obstacles in the channel. The map display allows either the flow or capacity for assets to be displayed.
The columns in the summary are grouped by station identification on the left, past observations, current conditions, and forecasts. The availability of data to fill the table depends on data collection and third-party products such as weather and streamflow forecasts.
Weather¶
Below the Data Type column header is a Weather row including symbols indicating weather conditions at each point in time, i.e. the last week, the last day, etc. through next week's forecasted weather. Hovering over these icons displays detailed weather information.
Currently, a single weather station is used for the system and is assumed to be representative. The observed weather icons are based on precipitation and temperature data from a single point in the NovaStar system. The forecast weather source is the National Weather Service.
Upstream Station¶
Each asset is associated with an upstream station where flows are measured. The upstream station flows are routed to the asset location by the Flood Impact Tool. The upstream station nearest the asset is listed. This is an active link and when clicked, moves the display from the Impact Summary page to the Station Dashboard page with that station already selected.
Data Types¶
The following data types are displayed:
- rain (total for the interval)
- water level (maximum for interval)
- streamflow (maximum for interval)
- wind (maximum for interval)
Data displays provide context for whether conditions are becoming more or less severe.
Searchable and Sortable¶
Triangular icons are located throughout the table header area. Clicking on an icon sorts the table based on the values in the selected column in ascending or descending order. In particular, note the columns with 4 ascending and descending arrows such as Last 15 Mins. Hovering over these icons will indicate the resulting action when clicked. The table can be sorted on any of the 4 data types using these icons.
The table is also searchable using the Global Filter located in the uppper right corner of the Impact Summary page. Typing a name or station id in the filter will result in the table display showing only rows with a matching name or id.
