One thing I meant to say, before getting sidetracked by other issues, is, how is your mum's health? Do you feel she could live here all year round as in the summer months it can be very, very hot, as much as 40+ degrees. Also, have you ever been in LG when a Calima/Sirroco hits? its a hot wind/sand storm, making it very hard to breath for anyone with respiritory problems as the air is arid and full of dust. I lived up in Tamaimo and it was weird looking down on the coast when one hit as you literally cannot see a thing down there!!
Don't panic TR Amunette hasn't got it quite right.
A Calima can happen at any time of year but is usually associated with the hot air found over the islands during the summer months, ranging in time scale from a few hours up to a week. Calima as it is called, is caused by a duststorm that is stirred up by high winds in the Sahara and is then driven over the Canary Islands by south easterly winds. The fine sand particles cause the air to become thick and visibility becomes rather like that experienced during a fog, depending on the severity. The temperature rises as you go higher se in say Tamaimo than it would be on the coast. During a Calima every surface will be covered in fine reddish brown dust.
A Sirocco doesn't affect the Canaries as it arises from a warm, dry, tropical airmass that is pulled northward by low-pressure cells moving eastward across the Mediterranean Sea, with the wind originating in the Arabian or Sahara deserts. The hotter, drier continental air mixes with the cooler, wetter air of the maritime cyclone, and the counter-clockwise circulation of the low propels the mixed air across the southern coasts of Europe.
On top of that I've lived here for 5 years and have never known the temperature to reach 40 degrees C on the coast.
Before you ask I'm old too and wouldn't want to go to Britain in their , so called, summer, I'd rather stay here in trhe sun thank you!