The eastern United States is about to get dangerously hot. This heat wave is set to impact World Cup games in Newark while also straining the region's largest power grid.
A heat dome - a high-pressure ridge that traps warm air - is causing the extreme temperatures and humidity. AccuWeather senior meteorologist Tyler Roys warned, "Our bodies can't regulate when the air is so saturated, with how muggy it is. "The risk of heat-related illness will spike across the board, not just for the elderly"."
The heat wave is expected to persist through the end of the week. The combination of high temperatures and humidity will create dangerous conditions for outdoor activities, including the World Cup matches. FIFA has already implemented water breaks to protect players, and the players' union has called for potential match delays if the wet-bulb globe temperature reaches dangerous levels.
By Thursday, triple-digit temperatures are expected from Washington to Boston. Even Toronto will see 90°F when Portugal plays Croatia that evening.
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A level one emergency is the lowest on a three-step scale, and PJM warned that heavy loads and low voltages are likely throughout the system Wednesday.
The Midcontinent Independent System Operator Inc. (MISO), which covers 15 central U.S. states, issued a "conservative operations declaration." Last month, the Department of Energy granted an emergency order authorizing backup generation in PJM to help prevent blackouts.
The level one emergency is a precautionary measure, but PJM may need to take further steps if temperatures rise as expected.
PJM Interconnection manages the power grid for 65 million people across 13 states and the District of Columbia. During extreme heat events, demand for air conditioning can push the grid to its limits. The Level 1 energy emergency alert declared on Wednesday is the first step; if demand continues to climb, PJM may ask customers to conserve energy or initiate rotating outages to prevent a complete blackout.
Similarly, MISO's conservative operations declaration signals that the grid operator is taking precautionary measures to ensure reliability. The Department of Energy's emergency order last month allowed PJM to bring additional backup generation online, highlighting the growing strain on the nation's aging power infrastructure as climate change intensifies heat waves.
The PJM grid, serving 65 million people, has faced increasing strain from extreme weather events. Last month's emergency order underscored how vulnerable the aging infrastructure is. As temperatures climb, operators may be forced to implement rotating outages to prevent a complete blackout, a scenario that could disrupt homes, hospitals, and transportation across the region.
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