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Flood Forecasting User Guide

This guide explores SCW’s Flood Forecasting Web System

INTRODUCTION

This user guide contains all essential information for the user to make full use of our Flood Forecasting System Web Portal. This manual includes detailed explanations of each component and step-by-step procedures for system access and use. User graphic is also added to better illustrate for use of our system. This document assumes that you have access to our Data Current Web Portal.

DISCLAIMER

Data provided through this web app is provisional and preliminary in nature. Data is automatically generated by remote equipment that may not be under the control of Smart City Water (the company). This data may be subject to change when reviewed or corrected. Please carefully consider the provisional nature of the information provided. The company assumes no responsibility for the accuracy or completeness of this data and any use of it is entirely at your own risk.

MAIN LANDING PAGE

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After logging into Data Current Web Portal, you can go to Flood Forecasting Landing page by navigating through upper left options: “Tools -> Flood Forecast”. (As shown in Picture 1.) After loading, you will see the landing page as shown in Picture 2. From left, you will have a panel summarizing most of the features you can do or see on this landing page.

1. Forecast Location

A Forecast Location is a primary point of interest where flood forecast operation is conducted. Here we list all the Forecast Locations associate with current login client/organization.

2. Layer

All geographical features are controlled by Layer. You can click the checkbox to show or hide each individual layer.

3. Flow Node

Hide or show Flow Node Layer.

A Flow Node is an entity that is imported from a geographical shape file, which defines a possible candidate for Forecast location. (Please refer to Watershed section for uploading Flow Nodes.)

4. Watershed

Hide or show Watershed Layer.

A Watershed is an entity that is also imported from a geographical shape file, which defines a study area of interests. (Please refer to Watershed section for uploading Watershed.)

5. Catchment

Hide or show Catchment Layer

A catchment is a sub area within a watershed. It is also imported from a geographical shape file. (Please refer to Watershed section for uploading Catchment.)

6. Channel

Hide or show Channel Layer

A channel is a geographical representation of a river within catchment or watershed. (Please refer to Watershed section for uploading Channel.)

7. Precipitation Radar

Hide or show Radar layer for recent precipitation

8. Switch Base Map

Option to change base map in the landing page.

9. Zoom in or out on the map

10. Home Button to reset map to default view

11. Forecast Location Icon

This is an icon to represent a forecast location, there are operational options associated with each location. (Please refer to Forecast location section for more details.)

12. Flow Node Icon

This is a icon to represent a flow node, which can be converted to Forecast location. (Please refer to Forecast location section for more details.)

WATERSHED

a) Add watershed

You can right click any where on the map that is not already a watershed. Then Click “Add New Watershed” to open Watershed setting dialog box. (See Pictures 3 & 4.)

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b) Edit Watershed

Right-Click on map within a watershed, you will see an option to “Edit Watershed”. (See Picture 5.) You will see the same dialog as the one when you try to add a watershed.

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Now we will take a look at Flow Nodes Tab. This tab is for displaying current flow nodes in the system and allows user to upload new Flow node from zipped shape file. On the left, you see the list of flow nodes either in current system or in the uploaded shape file.

On the right side, you will see all the same flow nodes on the preview map. You can edit the name of each flow node name or delete the ones you don’t want. When you click on the green square on the map, it will automatically select the flow node row in the list.

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Please note: for Channels/Catchments/Properties Tabs, the configuration and setting is same to Flow Nodes tab.

Climate Models Tab allows you to select which Climate Model types you can use to do the forecasting. Each Model type will have different precipitation forecast from Third Party source.

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c) Delete Watershed

Right-Click on map within a watershed, you will see an option to “Delete Watershed”. (See Picture 8.)

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FORECASTING LOCATION

Currently, each Forecasting location have 4 operational options associated with it: “Chart, Edit, flood mapping, and Move”. (See Picture 9.)

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a) Forecasting Chart

This option will open a new window to display forecasting chart as shown in Picture 10.

  1. This section is to display observed/monitored precipitations.
  2. This section is to display observed/monitored flows (black line) and temperatures (grey background), as well as Simulated Flows (blue line).
  3. This section is to display forecasted/simulated precipitations of chosen climate models in picture 7.
  4. This section is to display forecasted/simulated flows resulting from running service using chosen climate models.
  5. Legends to show or hide flow/precipitation/temperature data on chart.
  6. You can highlight and select on the chart to zoom in and zoom out to see in detail. The Reset button can bring back the default view.
  7. This whole table section is KPI results, you can see the different analyzing data from the current view of chart.
  8. Disclaimer Information
  9. This button can export the whole chart with KPI table into a PDF file.

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b) Add Forecasting Location

Adding a forecasting location is easy, you just need to right click on the flow node you want to convert to, and a dialog will pop up (Picture 11 & 12). There is some basic information you need to fill out. (Please see next section for details.)

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c) Edit Forecasting Location

This option has a general tab for basic Forecasting location information and some other necessary tabs that need to be configured for backend forecasting window service. (See Picture 13.)

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Threshold Tab can set up flow or depth threshold to trigger alarm system to notify clients. The following picture 14 shows what you can define in this tab including name, color, threshold value as well as weather or not to include flood mapping. (Please refer to “Flood Map” section.)

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Alarm Tab defines settings for alarm system where you can put your email, phone number, text number into our system. When there is a flood situation (max flow exceeds threshold value), predefined message/email will be sent to clients.

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Rating Curve Tab uploads rating curve data from CSV file to allow system converting depth to flow and visa versa.

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Event Report Tab lists all event reports for any big events that exceeds threshold.

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d) Move Forecasting Location

After clicking the moving icon, then hold and drag the Forecasting Location Icon to a different location. Release your mouse to confirm the new location or click anywhere on the map to cancel.

e) Flood Map

This feature displays a flood map in a separate window. Flood Map mainly provides visual information about flood depth in studied area. This map also has a layer of inundation boundary, a layer of point of interest (Property). Client can also have control to hide or show the flow chart corresponding to the event produced this flood map. At the bottom of left panel, there is a button to export map to pdf file. (See Picture 18.)

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