Automatic Weather Station Data Tool (ADT)

The recent expansion of meteorological observation networks has focused on the use of Automatic Weather Stations (AWS). Automatic Weather Stations offer a number of advantages including automated reporting at a very fine temporal resolution (15 minutes on average). The challenge many National Meteorological Services (NMS) have been facing with the exploitation of AWS data is that different initiatives and donors have been providing different types of AWS from different vendors, leading to different AWS systems/networks.

The data collected by these different AWS systems are in different formats and may sit on different computers. Although there are applications that come with each AWS network to access and visualize AWS data, access to the data is still done manually and station by station. This complicates data access, processing, and use.

Meteorologists at the National Meteorological Department of Kenya (KMD) are being introduced to ADT. Photo credit: Rija Faniriantsoa/IRI.

In addition, data from the different AWS networks is in different formats, which makes it even more difficult to analyze all the data without additional tools or applications that can convert the data into a common format and combine the data from the different networks. As a result, accessing, processing, and using these data has been a major impediment to the use of data from these varieties of AWS.

The Automatic Weather Station Data Tool (ADT) is a web-based application developed to alleviate these and other related challenges with access and use of AWS data. ADT has an easy-to-use graphical user interface and enables NMS to access, process, quality control, analyze, visualize, and disseminate data from different AWS systems in one place.

The main components of ADT include the following:

  • Fetching data from different AWS network systems;
  • Data pre-processing and quality control;
  • Creating a unified database that allows storage of quality-checked data from different AWS networks;
  • Data processing and analysis; and
  • Data visualization and dissemination.
Example of ADT displayed AWS network

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