Fire Weather Model (IMAGE) Desert Research Institute Caption Screenshot of a simulation of the Caldor Fire created with the weather-fire-smoke model. Green lines indicate wind direction, red and yellow area indicates fire perimeter, and gray cloud represents smoke. Credit Adam Kochanski/San Jose State University and Tim Brown/DRI. Usage Restrictions Photo may be used with appropriate caption and credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.