New study by Prof. Abatzoglou et al. published in Nature

Study identifies increasing prevalence of "flammable nights", a paradigm mediated by climate-change resulting in hotter drier nights, which decreases fire-fighters' ability to leverage night-time heat cover to manage fire advancement, and importantly - to rest. 

Read the article published in Nature and the accompanying press summary Hotter, Drier Nights Mean More Runaway Fires.