Pittsburgh breaks 140-year-old heat record

In Western Pennsylvania, particularly Pittsburgh, a record-setting heat event occurred recently, with temperatures soaring to unprecedented levels. The region experienced a low temperature of 74°F, surpassing the previous record of 72°F set back in 1884. This marked a significant event not only for Pittsburgh but also for surrounding areas like Wheeling and DuBois, which also reported record highs and lows during this heatwave. The cause of this extreme weather was attributed to a powerful heat dome affecting the area, resulting in a prolonged series of heat warnings and advisories for Allegheny County and surrounding regions. The phenomenon, often referred to as a heat dome, is characterized by high-pressure systems that trap hot air beneath, leading to higher temperatures. This heatwave was so severe that it was noted as only the fourth instance since 2000 where Pittsburgh recorded four consecutive days of temperatures exceeding 92°F. As the heat persisted, the region faced additional challenges with potential thunderstorms. While the temperatures remained high, storm chances returned, with forecasts predicting downpours and flash flooding in certain areas. On the day of this report, the possibility of severe storms, although low, remained a concern, with gusty winds being the primary threat. It was expected that rain and storm chances would continue throughout the week, particularly increasing with the passage of a cool front on Saturday. Due to the ongoing conditions, forecasts indicated that high temperatures for the coming days would still reach the 90s, but relief in the form of cooler temperatures was anticipated after the front moved through. As the region dealt with these extreme weather conditions, the focus remained on the impacts of heat, humidity, and potential flooding, highlighting a significant chapter in local weather history.