Elisa Mª Hernández and Luis Mª Bañón AEMET Regional Office in Murcia, Av. Libertad, 11, 30107 Murcia (Spain) ehernandezg@aemet.es, lbanonp@aemet.es   Abstract The extremely warm summer of 2003 encouraged the development of a “Heat wave Warning System”. The health authorities issued extreme temperature warnings to the population using extreme temperatures that were forecasted for the […]