Welcome to the WRF ARW Online Tutorial


• This tutorial has been designed to take you through the WRF ARW programs, step by step.
Simply follow the at the bottom of each page to continue.

• Some of the links on these pages are mouse-over's, specifically in the namelist pages. Example.
If these do not work, please enable Java on your computer.
If the mouse-over links stop working, please refresh your screen.

• We recommend that you work through this tutorial before you try to run WRF ARW on your own.
• If you plan on attending one of our biannual tutorials in Boulder, we recommend that you work through this online tutorial before attending the tutorial.

• The most current WRF release is version 3.8.1. Please refer to WRF Model 3.8.1 Updates for more information on new Physics, Nudging, Adaptive Time Stepping, Dynamics, Initialization, and Software options since Version 2.

Look out for the following signs indicating:

Tips / Hints
Things did not go as planned - what now?
Sample datasets


**Comments / Help**

**For questions regarding WRF, Please submit emails to wrfhelp at ucar dot edu

**Note: This website is currently under construction. If you notice any problems with the website, itself, please submit an email to wrfhelp at ucar dot edu so that we can address the problem.


NOTE: These pages make use of Java Script. Enable Java on your computer to make use of all the functionality.