lunes, 20 de mayo de 2024, 11:51
Sitio: The COMET/MetEd Virtual Classroom
Curso: COMET Faculty Multimedia Workshop (Faculty06-1)
Glosario: Numerical Weather Prediction Resources
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NWP Misconceptions | ||
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COMET Module: "Ten Common NWP Misconceptions" (2002-2003) Ten common misconceptions about the way NWP models work and hence how they can be interpreted, plus explanatory corrections of those misconceptions, plus quite a bit of more or less related material. Appropriate level: Advanced undergraduates and above. Summary comments: This module is heavily illustrated, has audio narration, and is very light on text. (A print version substitutes text for the audio narration; animation is lost but static color graphics remain.) A "Test Your Knowledge" section, with feedback, ends the presentation of each misconception. Each misconception is a kind of Trojan horse; the misconception is addressed directly, but it is also used as an excuse to present quite a bit of less narrowly (but still at least broadly) relevant material. The misconceptions vary in their degree of obscurity, but at least some of them look potentially useful for use in a basic NWP course that doesn't focus exclusively on theory. However, to appreciate the misconceptions and the corrections to them, students need already to know the basics about how numerical models are formulated and used, and in some cases more than that--some of the misconceptions are quite specific, as the titles below probably suggest. At least one of the misconceptions (I didn't examine all of them closely), "A 20 km Grid Accurately Depicts 40 km Features" (#3 below), makes important points about model resolution, but its examples cite values relevant to 2002-2003 era models and so are not as directly relevant today as they were then. Several "misconceptions" refer to the eta model, which few students henceforth will recognize. The general concepts remain highly relevant, however. Misconceptions addressed include:
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JH | Operational Model Matrix | |
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COMET Module: Operational Models Matrix Appropriate Level: Upper division and graduate level Overview An excellent resource to contrast the basic features of U.S. (and one Canadian) operational models. Links to relevant COMET modules and other on-line resources are provided. Information on many characteristics of the NMM-NAM remain to be added. |
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SC | Ten Misconceptions about NWP | |
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Modules: Ten Common NWP Misconceptions Top Ten Misconceptions about NWP Models Appropriate Level: Advanced undergraduate and above. General Comments: These two modules are similar. Suggest to merge them together and keep it on METed website. |
SC | Turbulent Processes | |
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COMET Module: Influence of Model Physics on NWP Forecasts This simple figure describes the planetary boundary layer processes in NWP models, which can be a supplement material this module. (Source: WRF User's Workshop) http://www.met.tamu.edu/class/metr452/models/2001/PBLproject.html |