Apps & Maps

Virginia Beach StormSense App (Source: City of Virginia Beach) – This app will be released in the third quarter of 2021

This app provide access to water levels as well as several other weather parameters and map layers. The data collection is continuous monitoring of water levels at 6-minute intervals over a period of three weeks from regional city owned StormSense sensors, federal agency sensors such as U.S. Geological Survey (USGS) that provide several parameters and National Oceanic and Atmospheric Administration (NOAA) that provides water levels only. Flood stages are also provided wherever applicable. Water level data is in NAVD88 datum.

Virginia Beach StormSense Windy App (Source: City of Virginia Beach) – This app will be released in the third quarter of 2021

Windy (also known as Windyty) is an extraordinary tool for weather forecast visualization. This app provides access to water levels only as above with longer time intervals as well as real-time weather forecasts from North American Mesoscale (NAM) and Global Forecast System (GFS). Flood stages are also provided wherever applicable. Water level data is in NAVD88 datum. ECMWF model data is available for city and regional government personnel only upon request. A token can be used to access the windy layers.

Talk to your Sensor? (Source: City of Virginia Beach)

City of Virginia Beach provides citizens the ability to talk to the sensors around the Hampton Roads region through Alexa by enabling the Alexa Skill named “storm sense”. Alexa can be used on mobile devices as well by downloading the Alexa app or home devices and in cars if Alexa is available. The sensor currently provides near real-time water level, wind speed and wind direction data with the date/time and source of the data such as StormSense, USGS or NOAA wherever applicable.

Virginia Beach Flood Inundation Layers (Source: City of Virginia Beach)

This map shows flood inundation layers within the City of Virginia Beach. The layers are generalized polygons in NAVD88 (Bath Tub Inundation Model). These layers can be used as simulated extents for the whole city as well as capable of automatically highlighting of action, minor, moderate and major flood stages at each sensor locations real-time values that exceed the elevations of the inundation layers. Currently they are from 1 feet to 12 feet.

Tidewatch Map (Source: Virginia Institute of Marine Science)

This application provides an effective way to visualize the magnitude and impacts of coastal flooding within the Chesapeake Bay and along Virginia’s Eastern Shore. This is a hydrodynamic model at 5-meter resolution showing the rise and fall of water levels over the land surface every hour. It provides storm surge information. Precipitation will be added in 2021. The data is generated in 36 hour forecasts each morning and evening. The display is updated twice daily and will show either 6am to 6pm the following day or 6pm to 6am the day after tomorrow.

Coastal Emergency Risks Assessment (Source: Center for Computational Technology & Louisiana Sea Grant, Louisiana State University)

Storm Surge Guidance for Emergency Management and Real-Time Decisions

HRPDC & ODU Potential Flooding Locations (Source: Hampton Roads Planning District Commission & ODU)

This map shows data collected by Hampton Roads Planning District (HRPDC) for potential flooding locations in the Hampton Roads region for a proposed Roadway Flooding Sensor Network project and Old Dominion University (ODU) ASERT program.

USGS/NOAA Sensor Map (Source: ESRI and Federal Agencies – USGS, NOAA)

This map shows water level sensor data from U.S. Geological Survey (USGS) and National Oceanic and Atmospheric Administration (NOAA).

NOAA’s National Water Model 10-Day Forecast (Source: Office of Water Prediction)

This map shows 3,774 stream segments with discharge (cfs) and streamflow velocity (fps) 10-day forecast in the Hampton Roads region with centroids of each segment.

The medium range forecast configuration is executed four times per day, forced with GFS model output. Member 1 extends out to 10 days while members 2-7 extend out to 8.5 days. This configuration produces 3-hourly deterministic output and is initialized with the restart file from the Analysis and Assimilation configuration.

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