Rain Gauge Network

The first rain gauges were installed in 1991 as a joint effort between MSD and the United Geological Survey (USGS). The rain gauge information was to be used for MSD studies and USGS research. In 1997, MSD took over sole responsibility of the rain gauge network. These data logger rain gauges were non-telemetered and required MSD personnel to download the information that was stored within the rain gauge. Though labor intensive, these rain gauges work extremely well and remain in operation today.

In 1997, eleven telemetry-equipped rain gauges were installed. The primary purpose of these rain gauges was to provide real-time data for emergency response support. The majority of these rain gauges were installed at MSD facilities located throughout Jefferson County. For the purposes of emergency response support, these rain gauges performed adequately. With the implementation of the Real Time Control (RTC) project, these telemetered rain gauges did not meet the requirements of the RTC needs. The distribution of, and telemetry system used by, were deemed insufficient to provide the needed information in a timely manner. In order to meet the goals of the RTC project and to provide even better emergency response support, the telemetered rain gauge system was updated.

In Spring of 2003, fifteen new telemetry-equipped rain gauges were installed throughout Jefferson County. This rain gauge system serves two primary functions – to calibrate NEXRAD radar with rain gauge data, and to provide predictive rainfall data two hours in advance of rainfall. This information will be utilized by both MSD’s RTC project and for emergency response preparation. The new rain gauge network provides a better geographical coverage of Jefferson County.

MSD is in the process of establishing three satellite-enabled rain gauges in the Southern Indiana Counties of Harrison, Floyd and Clark. These proposed rain gauges will provide MSD with the ability to calibrate approaching storms. The RTC project requires a two-hour predictive capability. Having rain gauges located outside of Jefferson County will provide MSD with this resource.

For more information on the Real Time Control project or the associated Rainfall Prediction Tool project, click on the following links:

MSD's Rain Gauge Network

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