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Examination of a lake-effect snow event with the focus on new technology
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  • Description:
    "The Lake-Effect Snow (LES) study was initiated to evaluate the capability of the modernized National Weather Service to detect and predict LES events with the goal of improving the public warning and forecast services associated with these events. The main objectives of this study are to assess the ability of the Weather Surveillance Radar - 1988 Doppler (WSR-88D) and the Geostationary Operational Environmental Satellite - 8 (GOES-8) to detect the development and evolution of the lake-induced snow squalls, and to document the impact of the new observing systems and forecast methods on the resulting LES forecasts. This paper will examine the LES event that occurred on 1 and 2 January 1995, over northeast Ohio and northwest Pennsylvania. The event will be examined by first reviewing the analysis of the event. The extensive display capabilities of PC based Gridded Information Display and Diagnostic System (PCGRIDDS) will then be used to present an evaluation of the model data and a discussion of the performance of the Nested Grid Model (NGM) and the Early Eta Model (ETA) for this LES event. Next, an assessment of the ability of the NEXRAD Weather Service Forecast Office (NWSFO) (Cleveland, Ohio, (CLE) WSR-88D (KCLE) to he development and evolution of LES bands will be given. The effectiveness of the GOES-8 digital data in remotely monitoring LES bands by using the RAMM Advanced Meteorological Satellite Demonstration and Interpretation System (RAMSDIS) workstation will be discussed. Finally, a technique for integrating GOES-8 and WSR-88D data to predict snowfall intensity beyond the effective range of the radar will be presented"--Introduction.
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