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Abstract
A small convective storm was grossly underestimated by both Mesonet rain gauge measurements and WSR‐88D stage III radar rainfall data. However, if we merged radar data with the re‐scaled gauged rainfall data using SOA and Haar wavelet schemes, results for both merged datasets are much better, especially that of Haar wavelet. It seems that by first scaling up the gauge measurements with an appropriate factor, Ko , we improve the accuracy of gauge measurements, which forms the basis for adjusting the depths of radar data, which by itself has already captured the spatial variability of precipitation but usually not its depth.
Acknowledgements
This research is partly funded by the NSERC of Canada, and the first author is also supported by the F.S. Chia scholarship of the University of Alberta. The Oklahoma Mesonet program provided the meteorological data while the Hydrology Laboratory of the NWS of USA provided the WSR‐88D level III hourly Radar rainfall data and hourly‐observed stream flow data through the DMIP. The suggestions of two reviewers have improved the quality of this manuscript.