These maps show different regions of the world overlaid with a range of heat stress data over the long term, between 1980 and 2019. (a) shows air temperature, (b) shows specific humidity, (c) shows ...

Across much of the world, hotter days are no longer arriving alone. The air itself is changing, sometimes turning from dry oven to steam bath, other times drying out even as thermometers climb. As ...

Humidity, a measure of the amount of water vapour in the air, plays a crucial role in shaping our weather, influencing rainfall, and affecting how we feel day to day. While often overshadowed by ...

Trey Fulbright is the newest meteorologist on the KDKA First Alert Weather Team. In addition to seeing his forecasts on air, he also does weather and climate reporting. Trey comes to KDKA from Des ...

The Nature Index 2026 Research Leaders reveal the leading institutions and countries/territories in the natural sciences, health sciences, applied sciences and social sciences, according to their ...

Meteorologist Ray Petelin joined the KDKA Weather Team in October 2018, but is no stranger to the weather in Pittsburgh and Western Pennsylvania. He has been forecasting in Pittsburgh since 2011 and ...