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Model Diagnostics


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Model Diagnostic Discussion Model Verification
Model Biases Model Links


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MODEL DIAGNOSTIC DISCUSSION: NFDPMDHMD

Issuance Times

Product Times
Discussion (PMDHMD) 0530Z & 1730Z

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Model Verification



Due to computer problems, model verification maps will not be available until an undetermined future date. We apologize for the inconvenience.

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Model Biases

List of observed model biases

The Interactive Model Biases page requires a frames-capable browser, with JavaScript enabled. It is recommended that you have a screen resolution of at least 1024x768 pixels, though you can still view the page at lower resolutions.

Interactive Model Biases page

HELP file

For those browsers that cannot support frames and/or Javascript, we also have a text interface to the model biases images. Height, Temperature, Relative Humidity, and Wind Speed biases are available at the 250, 500, 700, 850, and 1000 mb levels. Sea Level Pressure (SLP) and Precipitable Water (PW) biases are also available. Select the link below for the desired parameter and domain:

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Model Links


[new]Latest EMC/HPC/MPC/NCO Synergy Meeting Highlights
The following links provide information on numerical model performance for both the long and short range periods from other sources.  Information includes models produced by the National Weather Service (Eta, NGM, AVN, MRF), as well as other models produced worldwide (NOGAPS, ECMWF, UKMET, Canadian, etc...)

EMC Short Range Model Verification Statistics (Eta, NGM, AVN) 

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Last Updated
March 30, 2002