The Met Office has already issued yellow warnings of thunderstorms hitting Cornwall and the southwest this evening and the weekend.
TORRO Convective Discussion 2024/006 issued valid until 2000BST Friday 20th September 2024 pic.twitter.com/QCNAyLRJCS
— TORRO (Tornado & Storm Research Organisation) (@TorroUK) September 20, 2024
However, TORRO has now issued a severe thunderstorm warning for the region and the south west.
It defines a severe thunderstorm as producing one or more of the following:
• one or more tornadoes and / or waterspouts
• hail with diameter of at least 20mm
• non-tornadic winds gusting to 55 mph or more at surface (but which are not part of synoptic-scale straight-line winds of such velocities)
It says thunder and lightning does not necessarily need to be present for any of the conditions listed above to occur.
“Showers and thunderstorms already across Kent/E Sussex will continue to…
