Validating descriptive databases

16-Oct-2019 08:25 by 9 Comments

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The chapter also discusses subjective approaches to producing uncertainty information that are utilized by human forecasters.Many groups within NWS generate forecasts and guidance.

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The multiple space- and time-scale forecasts of the OHD are covered next, and the hydrologist’s unique role as both user and producer of NWS forecast products is highlighted.

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The subjective generation of forecasts by groups like the WFOs, the HPC, and the SPC is covered, and the chapter ends with a detailed discussion of verification issues.

The SEC is presented as an example of an NWS center that makes the quantification and validation of uncertainty central to its operations.

Post-processing can be cast in a probabilistic form, naturally providing quantitative uncertainty information.

Examples of post-processing include bias correction, MOS, and Gaussian mixture model approaches like Bayesian model averaging (BMA).

The SEC is an example of what can be accomplished within NWS once uncertainty is viewed as being central to the forecasting process (Box 3.2).

) and is responsible for the nation’s weather data assimilation and numerical weather and climate prediction.

The resulting collection of forecasts provides information about forecast uncertainty.

Ensemble forecasting systems are developing into the primary means of forecast uncertainty production.

Those included in this chapter are the Environmental Modeling Center (EMC), the Climate Prediction Center (CPC), the Office of Hydrologic Development (OHD), the Hydrometeorological Prediction Center (HPC), the Weather Forecast Offices (WFOs), the Storm Prediction Center (SPC) and the Space Environment Center (SEC).

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