NOAA/National Centers for Environmental Information
NOAA's Weather and Climate Toolkit

Java Requirements

WCT Version before 4.0.0: The Java Runtime Environment (JRE) Version 1.7 (also known as Java 7) or greater must be installed.

WCT Version 4.0.0 or after: The Java Runtime Environment (JRE) Version 1.8 (also known as Java 8) or greater must be installed.

Administrator privileges are not needed to install/launch the Weather and Climate Toolkit.

Administrative privileges are needed to:

  1. Install a newer version of the JRE through Java Web Start.
  2. Manually install the latest JRE from Java Sun.

User Computer Minimum RAM:

  • Weather and Climate Toolkit - 512M

Java Web Start

Java Web Start is a Java feature allowing Java applications to be launched over the web. The application may be integrated into the user's desktop and run without using this website. New versions will be automatically downloaded as they are available. For more information about Java Web Start, visit the Java Web Start Webpage.