From the BBC website.
https://www.bbc.co.uk/news/uk-england-norfolk-47013735
"The jet's capabilities will be transferred to the Typhoon and there is set to be a "finale flypast" around the UK to commemorate places that have contributed to the Tornado over the years, according to Station Commander Group Captain Ian Townsend."
It also mentions a flypast at Marham on 14th March for the disbandment parades.