« Back to Glossary IndexA 30, 40 or 50 percent chance of occurrence of measurable precipitation.Related Articles:Re: NZ tornadoes New PlymouthGlossary: Slight ChanceRe: My New Weather Station (Davis VP2)Tropical Cyclone Jasper Coral Sea : from 21 March 2009Re: Tornado Alley Chasing 2011« Back to Glossary Index