The NWS HeatRisk index, a map that provides a forecast of heat-related impacts over the next 24 hours, showed that the most ...

Monsoon and rain forecasts, heat and freeze alerts, dust warnings, storm reports and outages in Phoenix and beyond.

They used the US heat index to assess heat: caution (days up to 32 deg C), extreme caution (32 to 39 deg C) and danger (39 to 51 deg C). They used regression modelling to see how much faster ...

They used the US heat index to assess heat, from caution (days up to 32°C), extreme caution (32–39°C) and danger (39–51°C). They used regression modeling to see how much faster people were ...