NOAA/NWS students – to begin the training, use the web-based video, YouTube video, or audio playback options below (if present for this session). Certificates of completion for NOAA/NWS employees can be obtained by accessing the session via the Commerce Learn Center
Audio playback (recommended for low-bandwidth users) – This is an audio playback version in the form of a downloadable VISITview and can be taken at anytime.
After extracting the files into that directory click on either the visitplay.bat or visitauto.bat file to start the lesson. If both files are present, use visitauto.bat
Live VISIT teletraining (with an instructor leading the session). Check the VISIT Training Calendar to signup for teletraining. The session will last 75 minutes. This teletraining session uses the VISITview software, where a Windows PC with an Internet connection is needed. Please follow the teletraining installation instructions to install the session.
You Tube Video
Talking points are available for this lesson and may be printed out to easily review the session in detail at any time.
Crocker, A. M., W. L. Godson, and C. M. Penner, 1947: Frontal Contour Charts. J. Meteor., Vol. 4, 95-99.
Godson, W. L., 1951: Synoptic properties of frontal surfaces. Quart. J. Roy. Meteor. Soc., Vol. 77, 633-653.
Penner, C. M., 1955: A three-front model for synoptic analyses. Quart. J. Roy. Meteor. Soc., Vol. 81, 89-91.
Martin, J. E., 1998a: The structure and evolution of a continental winter cyclone. Part I: Frontal structure and the occlusion process. Mon. Wea. Rev., Vol. 126, 303-328.
Martin, J. E., 1998b: The structure and evolution of a continental winter cyclone. Part II: Frontal forcing of an extreme snow event. Mon. Wea. Rev., Vol. 126, 329-348.
Martin, J. E., 1999: Quasigeostrophic forcing of ascent in the occluded sector of cyclones and the TROWAL airstream. Mon. Wea. Rev., Vol. 127, 70-88.
This course is Basic
If you have not taken the VISIT Cyclogenesis session, it is recommended that you either signup for the Cyclogenesis teletraining OR go through the audio version before taking the TROWAL session.
VISIT teletraining makes use of either Gotomeeting or the VISITview software. Consult the email with setup instructions as to which software is being used, the following are setup instructions that make use of the VISITview software:
1.) In order to install this lesson, you will need to create a new directory on your local hard (not a networked) drive. 2.) You will need to download a file that contains the contents of the lesson so that streaming live data is avoided.
2a.) For a Windows system:
Download the following .exe file to your local hard drive