Chapter
Apr 26, 2012
High Resolution Radar Precipitation Evaluation
Authors: Dennis Miller [email protected], Shaorong Wu, David Kitzmiller, and Feng DingAuthor Affiliations
Publication: World Environmental and Water Resources Congress 2009: Great Rivers
Abstract
A series of experiments were undertaken to determine if any operational benefit might be realized from an upgrade of WSR-88D hourly precipitation products to the highest spatial resolution now possible, namely 0.5° x 250 m. The precipitation products are currently disseminated in arrays of 1.0° x 1000 m spacing. Reflectivity from the NCAR S-Pol S-band radar (a radar with similar characteristics to the WSR-88D) in east-central Florida during the summer of 1998 were converted into precipitation estimates and collated with 1-hour gauge accumulations collected from several high-density rain gauge networks that were deployed simultaneously in the region. Radar-gauge correlations were calculated for several degrees of spatial aggregation, ranging from 1.0° x 150 m to 1.0° x 900 m. Correlations were estimated from over 8000 radar-gauge pairs, for both single points and areal averages. It appears that the degree of spatial aggregation of the radar estimates has little effect on radar-gauge correlations.
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Published In
World Environmental and Water Resources Congress 2009: Great Rivers
Pages: 1 - 12
Copyright
© 2009 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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Affiliations
NOAA, National Weather Service, Office of Hydrologic Development, 1325 East-West Highway, Silver Spring, MD, 20910. E-mail: [email protected]
Shaorong Wu
NOAA, National Weather Service, Office of Hydrologic Development, 1325 East-West Highway, Silver Spring, MD, 20910
David Kitzmiller
NOAA, National Weather Service, Office of Hydrologic Development, 1325 East-West Highway, Silver Spring, MD, 20910
Feng Ding
NOAA, National Weather Service, Office of Hydrologic Development, 1325 East-West Highway, Silver Spring, MD, 20910
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