Formula One’s governing body warned on Thursday of the risk of heat for the second consecutive race at the United States Grand Prix in Austin.
Race director Rui Marques said in a statement sent to teams that an official forecast predicted the heat index would exceed 31 degrees Celsius at some point during Saturday’s sprint race or Sunday’s Grand Prix.
The regulations were first invoked at this month’s Singapore Grand Prix due to temperatures and high humidity.
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Formula 1 declares danger due to heat for the second consecutive race at the Austin GP
The regulations were introduced after drivers suffered exhaustion at the 2023 Qatar Grand Prix and mean drivers can wear a cooling vest, which circulates cold liquid through tubes to maintain body temperature, or add additional ballast to their cars.
The vests will be mandatory in hot conditions from next season, but they are not universally popular as some drivers prefer not to wear them.
“I haven’t used the vest. I don’t intend to use it either because I think it should be a driver’s choice,” Max Verstappen, Red Bull’s four-time world champion, said in Singapore.
With information from Reuters.
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