« Back to Glossary IndexA 30, 40 or 50 percent chance of occurrence of measurable precipitation.Related Articles:Tropical disturbance may impact Southern USA - June 16 2015Re: 10 - 16 May 2011 NSW, VIC, TAS Cold SpellTropical Cyclone Carlos Darwin area - February 2011Re: Tornado Alley Chasing 2011Tamworth supercells 3rd December 2012« Back to Glossary Index