At some ,
Joe Hunt typed:
" cupra" wrote in message
...
From SFeric data and rainfall radar, it looks like a the Midlands
will be in for a downpour, never mind the southeast problems that
were mentioned on national forecasts (25.2degC here in Northampton)

There are two different processes responsible for triggering
convection today. The first, as has now occurred, is from the upper
trough to the W destabilising the warm plume lying over most of
central UK. The second from imported storms from France, which may
form an MCS later this evening. Supercells are mentioned in the
Estofex outlooks, but 11Z ascents show profiles not ideal for such
storms. We'll see. The SE will be affected a lot later on, more
likely late evening.

Joe

Cheers, Joe (still learning so every little explanation helps!)