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Numerical Weather Prediction (NWP) Professional Development Series

Unit 2: Understanding Current Characteristics of Operational NWP Models


Ensemble Prediction Systems

Pete Manousos (NCEP/HPC)

1) Introduction

    This session is intended to provide practical base training on Ensemble Prediction Systems (EPS) for operational forecasters.

    This session will attempt to provide ample background on EPS to facilitate knowledgeable inclusion of ensemble output into the forecast process. This incorporates terminology, visualization and interpretation techniques, as well as strengths and limitations of EPS.

2) Prerequisites
3) Teletraining Installation Instructions


4) Training Session Options:

    A.) The interactive VISITview training session. (To be used with a VISIT instructor leading the session ). Click here to signup for teletraining. The session will last 60 minutes. This teletraining session uses the VISITview software, where Windows PC (with 64 MB RAM or greater) with an Internet connection is needed.

    B.) Web-based training session - a "stand alone" version viewed via a Web browser, with embedded talking points included. This lesson version may be viewed at any time. These slides are ideal for printing from the web-browser, just print preview first to choose portrait or landscape mode. Best viewed with Internet Explorer or Netscape (prior to version 6).

    C.) Web-based Visitview session - This version uses the VISITview software within a Web browser, may be viewed at any time. It retains all the functionality of the VISITview software which you see in a "live" teletraining session. The talking points are not included in this lesson version, but can be viewed in a separate Web browser (or printed out beforehand).

    D.) local Visitview session - This is the same version of the lesson used in a "live" VISITview teletraining session, but no connection is made to an external VISITview server. You may download the file off this page and go through the lesson on your own in "local mode" by starting the "visitlocal.bat" file. Talking points are not included in this lesson version, but can be viewed in a separate Web browser ( or printed out beforehand).


5) References/Additional Links


6) Train the trainer

    Talking points - these may be used by local offices in tandem with the visitview training session (run in local mode - "visitlocal.bat"). The talking points may be printed out to easily review the session in detail at any time. The web page version contains talking points embedded in each slide (useful for printing).

7) Content developed/updated
    2002
8) Information contact