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Last Updated by:
Scott Lindstrom
October 31, 2006

CRAS Forecast Imagery in AWIPS

Scott Lindstrom and Bob Aune

Other Contributors:

Scott Bachmeier, Russ Dengel, Jordan Gerth, Steve Wanzong

1) Introduction

    This is a basic teletraining module to describe the flow of CRAS forecast imagery into AWIPS in the Central Region. Topics covered include:

    CRAS Model description:
    1. Satellite information used
    2. Horizontal Dissipation effects
    3. Initialization

    Data flow from CRAS to AWIPS

    Window Channel and water vapor model imagery

2) Prerequisites

    None. This is a basic course.

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 30 to 45 minutes. This teletraining session uses the VISITview software, where Windows PC with an Internet connection is needed.

    B.) 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

    CRAS Forecast Products

    Bayler, G., R. M. Aune and W. H. Raymond: 2000: NWP cloud initialization using GOES sounder data and improved modeling of nonprecipitating clouds. Mon. Wea. Rev., 128,3911-3920.

    Raymond, W. H., 1988: High-order low-pass implicit tangent filters for use in finite area calculations. Mon. Wea. Rev., 116, 2132-2141.

    Raymond, W. H. and R. B. Stull, 1990: Application of transilient turbulence theory to mesoscale numerical weather forecasting. Mon. Wea. Rev., 118, 2471-2499.

    Raymond, W. H. and Arthur Garder, 1991: A review of recursive and implicit filters. Mon. Wea. Rev., 119, 477-495.

    Raymond, W. H., W. S. Olson and G. Callan, 1995: Diabatic Forcing and initialization with assimilation of cloud water and rainwater in a forecast model. Mon. Wea. Rev., 123, 366-382.

    Raymond, W. H. and R. M. Aune, 1998: Improved precipitation forecasts using parameterized feedbacks in a hydrostatic forecast model. Mon. Wea. Rev., 126, 693-710.

    Raymond, W. H., 1999: Non-local turbulent mixing based on convective adjustment concepts (NTAC). Bound. Layer Meteor., 92, 263-291.

    Raymond, W. H., 2000: Estimating moisture profiles using a modified power law. J. Appl. Meteor., 39, 1059-1070.

    Raymond, W. H., 2000: Moisture advection using relative humidity. J. Appl. Meteor., 39, 2397-2408.

    Raymond, W. H. and R. M. Aune, 2003: Conservation of moisture in a Kuo-type cumulus parameterization. Mon. Wea. Rev., 131, 771-779.

6) Train the trainer

    Talking points (Microsoft Word Document) - 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.

7) Content developed/updated
    Developed: October 2006
8) Information contact