In my original tweet, I blamed the storms over the SE for these extreme errors. The suggestion of first-order causation was wrong, but the jet wouldn't be nearly as strong if those storms didn't exist https://t.co/OQlTiPLayV so the errors are a second-order effect of the storms

— Jack Sillin πŸ‡ΊπŸ‡¦ (@JackSillin) February 6, 2020