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RISThe Effect of QPF on Real-Time Deterministic Hydrologic Forecast Uncertainty
Publisher: American Meteorological Society
Abstract: AbstractThe use of quantitative precipitation forecast (QPF) in hydrologic forecasting is commonplace, but QPF is subject to considerable error. When QPF is included as a model forcing in the hydrological forecast process, ...
Subpixel-Scale Rainfall Variability and the Effects on Separation of Radar and Gauge Rainfall Errors
Publisher: American Meteorological Society
Abstract: This paper presents an extended error variance separation method (EEVS) that allows explicit partitioning of the variance of the errors in gauge- and radar-based representations of areal rainfall. The implementation of ...
Results from Operational Hydrologic Forecasts Using the NOAA/NWS OHRFC Ohio River Community HEC-RAS Model
Publisher: American Society of Civil Engineers
Abstract: Analyses of hydrologic forecasts from the US National Oceanic and Atmospheric Administration (NOAA), National Weather Service (NWS) (NOAA/NWS) Ohio River Community Hydrologic Engineering Center River Analysis System (HEC-RAS) ...
NOAA'S Advanced Hydrologic Prediction Service: Building Pathways for Better Science in Water Forecasting
Publisher: American Meteorological Society
Abstract: The National Oceanic and Atmospheric Administration (NOAA) National Weather Service (NWS) Advanced Hydrologic Prediction Service (AHPS) program was established to meet our nation's need for more precise flash-flood forecast ...
Application of Forecast Verification Science to Operational River Forecasting in the U.S. National Weather Service
Publisher: American Meteorological Society
Abstract: Forecast verification in operational hydrology has been very limited to date, mainly due to the complexity of verifying both forcing input forecasts and hydrologic forecasts on multiple space?time scales. However, forecast ...
Comparative Evaluation of Three Schaake Shuffle Schemes in Postprocessing GEFS Precipitation Ensemble Forecasts
Publisher: American Meteorological Society
Abstract: AbstractNatural weather systems possess certain spatiotemporal variability and correlations. Preserving these spatiotemporal properties is a significant challenge in postprocessing ensemble weather forecasts. To address ...
Detailed Gaseous and Particulate Emissions of an Allison 250-C20B Turboshaft Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Aviation is known to be one of the most significant contributors to air pollutants. This includes gaseous emissions, like carbon dioxide (CO2) and nitrogen oxides (NOx), and also particulate matter (PM), especially in the ...