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  • Published Date:
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    Bulletin of the American Meteorological Society, 96(12), 2167-2181.
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  • Description:
    A National Science Foundation sponsored educational deployment of a Doppler on Wheels radar called the Hawaiian Educational Radar Opportunity (HERO) was conducted on Oahu from 21 October to 13 November 2013. This was the first-ever deployment of a polarimetric X-band (3 cm) research radar in Hawaii. A unique fine-resolution radar and radiosonde dataset was collected during 16 intensive observing periods through a collaborative effort between University of Hawaii at Mnoa undergraduate and graduate students and the National Weather Service's Weather Forecast Office in Honolulu. HERO was the field component of MET 628 Radar Meteorology, with 12 enrolled graduate students who collected and analyzed the data as part of the course. Extensive community outreach was conducted, including participation in a School of Ocean and Earth Science and Technology open house event with over 7,500 visitors from local K-12 schools and the public. An overview of the HERO project and highlights of some interesting tropical rain and cloud observations are described. Phenomena observed by the radar include cumulus clouds, trade wind showers, deep convective thunderstorms, and a widespread heavy rain event associated with a cold frontal passage. Detailed cloud and precipitation structures and their interactions with Oahu terrain, unique dual-polarization signatures, and the implications for the dynamics and microphysics of tropical convection are presented.
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