« Back to Glossary IndexAn extended period of unusually hot conditions lasting from several days to even weeks in extreme cases.Related Articles:Heat Wave and ex-Tropical Cyclone Dylan January 31st 2014Record heat wave conditions across south east Australia January 2009Extreme heat in 1896: Panic stricken people fled the outback on special trains as hundreds die. « JoNovaExtended Range Forecast of Record Heat!Heavy Rain for South Australia 14th February 2014« Back to Glossary Index