An experimental product is in the final stages of testing and evaluation. If the product proves accurate and valuable to users then the next step is to make it an operational product
NOAA/National Weather Service NOAA Center for Weather and Climate Prediction, Climate Prediction Center, Climate Glossary, University Research Court,College Park, Maryland, USA 2004. http://www.cpc.ncep.noaa.gov/products/outreach/glo ssary.shtml, (Wthr - Amer) {862}