Japan on Tuesday logged a new national record temperature of 41.8 C in Isesaki, Gunma Prefecture, exceeding the previous high of 41.2 C, as a wide swath of the country experienced sweltering heat.The Japan Meteorological Agency initially reported a new record of 41.6 C in the same eastern Japan city, before issuing a higher reading. Authorities are urging people to take steps to prevent heat-related illnesses, such as making appropriate use of air conditioning and staying hydrated.The conditions come as warm air has flowed in toward a low-pressure system moving east near the country's north…READ FULL ARTICLE