The PaRameter Uncertainty ViEwer (PRUVE) is an online validation tool created by the Prediction of Worldwide Energy Resources (POWER) project that compares surface satellite-based and assimilation data products to in-situ surface site measurements. 

PRUVE acquires data from two sources: the solar radiation comparison data is from the World Climate Research Programme’s (WCRP) Baseline Surface Radiation Network (BSRN), and meteorological comparison data is from the National Oceanic and Atmospheric Administration (NOAA) Integrated Surface Database (ISD) Lite and Global Surface Summary of the Day (GSOD).

Examples of common workflows are:

• Using the Descriptive Statistics tool to run descriptive statistics, including mean, maximum, minimum, standard deviation, variance, and kurtosis, for single data series.
• Using the Comparative Analysis tool to compare two independent data series using scatter, histogram, and time series plots and comparative statistics and linear regression.
• Using the Advanced Plots tool to plot additional data visualizations for both independent data series and two independent data series.

Assessing data uncertainty can be challenging, but the PRUVE tool’s easy access web framework removes barriers that prevent understanding and usage of POWER data products. PRUVE visually depicts uncertainty and variability, allowing users to make informed decisions in their respective fields such as energy, infrastructure, and agriculture.