England set for open-air Miami heat - but do Norway hold the edge?

England set for open-air Miami heat - but do Norway hold the edge?Image source, Getty ImagesImage caption, The roof at the Hard Rock Stadium reduces the airflow and exacerbates the conditionsByDale Johnson, Football issues correspondent and Simon King , Lead Weather PresenterPublished8 minutes agoCommentsEngland head into unknown territory at this World Cup when they face Norway in Miami on Saturday - playing in searing temperatures.The Three Lions have been largely shielded from excess heat in North America.Their schedule has included indoor matches in Dallas and Atlanta, and the three they have played outdoors - in Boston, New Jersey and Mexico City - have been in cooler, damper conditions.That changes on Saturday for their quarter-final tie (kick off 22:00 BST), which could be played in conditions the global players' union considers too dangerous for the game to go ahead.Norway have played all but one of their matches outdoors - the exception being their last-32 victory over Ivory Coast in the air-conditioned Dallas Stadium.Their 2-1 victory over Brazil on Sunday was played outside while New Jersey was under a US National Weather Service (NWS) extreme heat warning. So who might be better prepared for the heat of Miami?What is the weather forecast?Put simply, conditions in Miami will be hot and humid.The NWS is warning of a "hazardous heat threat", with the chance of heat-related illnesses likely to increase.While air temperatures are likely to sit about 33C (91F), once you add in the humidity, it will feel like about 41C (106F).The NWS put a heat advisory in place for the area on Friday, and experts say it is likely one will be issued covering the weekend too.There is a risk of thunderstorms, especially near the start of the match, and a possibility of showers - but otherwise sunny spells are expected.Global sporting bodies such as Fifa use an index called Wet Bulb Globe Temperature (WBGT), which takes into account temperature, humidity, time and a...