UK meteorology

Quoting a model summary post from Netweather (I'm going to explain the concept of 'heights' at a later point, but, for now, think of higher heights as equalling higher than average pressure):
 
Yay for rain! I ended up watering in some lawn fertilizer/weedkiller last week - with a 6.5 litre watering can! Warm work. I asked the landlord if it would be ok if I used the tap in the shed "use your own he said" before showing me where it was hiding behind a bush!
 
Quoting a model summary post from Netweather (I'm going to explain the concept of 'heights' at a later point, but, for now, think of higher heights as equalling higher than average pressure):
It's not the 'heights' that have me puzzled, it's the 'form horse', but I haven't read the entire thread yet...