Extreme Heat Conditions Expected
A significant heat wave is anticipated to persist across the eastern and central United States through the end of the week, with peak heat indexes, which combine air temperature and humidity, potentially reaching between 100 F to 115 F (37.78 C to 46.11 C). This weather pattern could lead to record-breaking temperatures, with little relief expected from high night temperatures. The humid heat affecting the country, as well as parts of Canada, has been described by scientists with the World Weather Attribution as “virtually impossible” without climate change.
The World Cup knockout round game between France and Paraguay in Philadelphia on Saturday afternoon is projected to be one of the tournament’s hottest matches. Temperatures in Philadelphia could approach or exceed 100 F, with a heat index closer to 110 F. The match is scheduled for 5 p.m. ET, which is expected to be near the hottest part of the day.
Concerns regarding extreme heat during the games in the U.S., Canada, and Mexico have been growing for several months. Some scientists have stated that FIFA’s heat safety guidelines are “inadequate” and “impossible to justify,” even for players who are acclimatized to heat. For spectators, these conditions could result in slower and less intense games. Earlier in the week, French players cooled off from temperatures that hit 90 F (32.22 C) with field sprinklers during their match against Sweden in New Jersey.
Player and Fan Safety Concerns
Heat poses a significant risk to individuals, particularly athletes, as their bodies warm during exercise, making it more difficult to cool down in hot and humid conditions. Bharat Venkat, director of the Heat Lab at the University of California, Los Angeles, noted that the likelihood of experiencing heat-related illness or even death is much higher when exerting oneself on a particularly hot day. Symptoms of exertional heat illness can include extreme fatigue, impaired performance, headache, irritability, nausea, dizziness, cramping, and dehydration. Exertional heat stroke, which requires immediate medical attention, is a leading cause of death among athletes.
When the wet bulb globe temperature, which accounts for temperature, humidity, cloud cover, and wind, surpasses approximately 95 F (35 C), individuals may lose their ability to cool off quickly, leading to a breakdown of physiological mechanisms, according to Ryan Calsbeek, a professor of biological sciences at Dartmouth College. Heat-induced confusion could also impact a player’s decisions, potentially influencing a match’s outcome. Beyond the players, fans are also at risk, especially those consuming alcohol. Cities and stadiums have increased access to shade, cooling areas, and water, and medical personnel are stationed at FIFA Fan Festivals and around stadiums to assist.
FIFA’s heat safety measures include mandatory three-minute hydration breaks midway through each half to protect players and referees from extreme heat illness. However, these breaks have drawn criticism, with some suggesting they disrupt the game’s flow and others arguing they should be longer for meaningful cooling and rehydration during extreme heat. Matches scheduled outdoors during peak heat hours have been limited, and those expected in warmer windows are prioritized for covered stadiums.
FIFA’s guidelines indicate that a match could be postponed if the wet bulb globe temperature reaches 89.60 F (32 C). However, this temperature is considered extreme, with Douglas Casa, CEO of the University of Connecticut’s Korey Stringer Institute, noting that a temperature of 32 C would result in the cancellation of all training in military basic training facilities in America. The players’ union FIFPRO considers a temperature to be unsafe for play.
Mitigation and Future Outlook
Teams are taking steps to prepare for the heat. Guilherme Passos, a sport scientist at the Brazilian Football Federation, monitors and prepares Brazil’s national team for extreme heat. He has assisted the team in acclimatizing to the U.S. heat, advising against exposing players directly to the hottest part of the day to maintain training quality. The team utilizes saunas or hot baths for heat training during the competition. During the World Cup in Brazil in 2014, players covered less distance and reduced high-speed running, instead focusing on technical and tactical precision.
Delaying kickoffs until the evening could significantly improve conditions, even if temperatures remain warm, as the body would have less work to do managing air temperature without direct sun radiation. Temperatures would also begin to decrease. For instance, temperatures above 100 F could drop into the mid-90s by 9 p.m. ET, making conditions more playable. Major League Soccer has adopted a similar approach in recent seasons, largely eliminating matches kicking off before 7:30 p.m. ET local time during summer months.
While moving kickoffs might affect primetime viewing in Europe, playing at 11 p.m. ET French time is already considered less than ideal for European fans. Delaying the kickoff could lead to better play on the field and a more bearable environment for spectators. The tournament will continue the following afternoon in East Rutherford, N.J., where temperatures for the Brazil versus Norway match are predicted to be in the mid-80s.
The world has warmed approximately 1.26 F (0.7 C) in the last three decades since the U.S. last hosted the World Cup, according to the climate monitoring group Berkeley Earth. Global temperature increases intensify and make heat waves and other severe weather more common. The 2022 World Cup tournament in Qatar was moved from summer to winter due to extreme heat threats, and temperatures soared at the Club World Cup last year. The global union for soccer players has warned that extreme heat is likely to be a greater challenge at this and future World Cups.
One of the hottest World Cup games on record occurred in 1994 in Orlando, Florida, when temperatures reached 110 F (43.33 C).
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Source: apnews.com
Mason Reed
Sports reporter covering football, basketball and international competitions.