Southern Alberta is going to be basking in some serious heat and sunshine over the next week and while the lack of rain might be welcome news to organizers of the Calgary Stampede, all that heat is also prompting health warnings.
Airlines cancelled flights in Phoenix and doctors urged people to be careful around concrete, playground equipment and vehicle interiors Monday as a punishing heat wave threatens to bring temperatures approaching 49 Celsius to parts of the Southwestern U.S.
American Airlines is warning passengers it may have to ground flights in Phoenix during a heat wave that could see temperatures soaring to 49 C. Extreme heat creates changes in the air density, making it harder for airplanes to take off.
Summer is nearly in full swing and many of us are looking forward to hot and sunny vacation time both at home and away. However if you're planning to be out all day making the most of the good weather then you could also be at risk of heat stress caused by extreme heat.