Hasn't happened in 50+ years, so it's a slim possibility but a proven statistical improbability - I'm not going to deviate or pack extra for what might be. And don't tell me 'two is one and one is none' - improvise.

https://www.urbancommuter.net/packlight2

https://modernadversary.com/the-power-of-being-light

https://www.dangeroustravels.org/2023/06/26/packing-for-higher-risk-destinations.html