Tornado alert and 'corn sweat' humidity threaten England's Kansas City World Cup preparations

England’s World Cup preparations face a new threat after authorities issued a tornado watch for the Kansas City Metropolitan area, where Thomas Tuchel’s squad is due to arrive on Saturday for four days of training ahead of their opening group match against Croatia in Dallas on June 17.

The warning covers 2.2 million residents of the Kansas City area, with a thunderstorm also forecast for Saturday — the precise day England are scheduled to fly in from Florida. The squad is set to begin training at the Swope Park facility on the outskirts of the city shortly after landing.

It is not the first weather setback of the camp. England fans endured a torrential downpour in Florida before the team’s 3-0 warm-up victory over Costa Rica on Wednesday, and the kick-off in Orlando was delayed by an hour due to storms.

Kansas City’s major buildings, including the international airport, are equipped with tornado evacuation rooms. The US National Weather Service distinguishes between a tornado watch — meaning tornadoes are possible in the area — and a tornado warning, which signals a tornado has been sighted or confirmed by radar and represents imminent danger to life and property. Residents under a watch are advised to review emergency plans and identify a safe interior room on the lowest floor of a sturdy building.

Experts have attributed the increasingly extreme conditions to the combined impact of global warming and the El Niño effect.

Beyond the storm risk, England’s players will also contend with intense heat and a weather phenomenon known as ‘corn sweat’. The Kansas City area sees average summer highs of 30–32°C (87–90°F), but the surrounding agricultural land amplifies the discomfort. Corn plants release vast amounts of water vapour through a process called evapotranspiration, dramatically raising humidity levels and making heat feel significantly more oppressive than the thermometer alone suggests.

Under standard US practice, play is suspended whenever lightning is detected within ten miles of a stadium, with a mandatory 30-minute stand-down after the last recorded strike — a protocol that could affect training schedules if storms arrive as forecast.