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In our heat wave in 2014 we had 26/12 in July in Örebro and it still felt kinda hot during nights since the daytime heat was 'crammed into the walls' during the 31/14 days that were ever frequent for some time.
How was it for you in Umeå that summer with your very warm morning temps et cetera?
I've never noticed a night outside being too warm in my life, be it in Umeå, France or wherever. In 2014 I remember that it would be 15-20'C if I were to bike home around and past midnight, which was a bit chilly but enough so I didn't get too cold in my t-shirt. For outside temperatures, I don't see why anyone would want anything below 20-22'C really, especially if it's night and the sun isn't warming. I did, however, notice that our apartment was very warm even though our balcony was open 24/7, and it could feel a bit oppressive during some days since the air blowing in through the windows didn't make things colder, but we didn't have AC or fans in our apartment so that's an easy fix. And that hasn't to do with night temperatures either really.
When it comes to sleeping, I'm totally fine with high room temperatures. During cold winters, my room temperature drops to 22-24 degrees, which I often feel is too cold when I wake up. Rest of the year, I usually have about 25 degrees, and during summers, especially 2014, I simply use less of my blanket when I sleep - no big deal.
I'm pretty sure the Great Lakes and Stockholm's UHI are far too far away from Uppsala for them to have any impact on Uppsala whatsoever... I mean the Baltic Sea is like 4 times closer than the relatively small water body of Vänern. Archipelagos don't stop Stockholm either from being warm/mild, albeit Stockholm does have a rather large UHI. And sure, Turku has a massive continent to the east, but why doesn't it just have a more continental climate then? Why are both summer and winter warmer in Uppsala?
Turku on the other hand has nothing to stop the cold bleeding down from the north. Very small differences in elevation, no lakeland like in Eastern Finland, and the sea doesn't help that much as Turku is in a small narrow bay.
Well the UHI of London would certainly contribute to the scorching seaside summers in Gillingham for example. Of course the air coming out of an UHI is warmer and travelling from the south while inland it can sustain for quite a bit (see also Lund's extreme summers vs Malmö).
Well the UHI of London would certainly contribute to the scorching seaside summers in Gillingham for example. Of course the air coming out of an UHI is warmer and travelling from the south while inland it can sustain for quite a bit (see also Lund's extreme summers vs Malmö).
I don't really get what kind of point you're trying to make. Lund is warmer than Malmö in summers because it's slightly further inland, not because Malmö's warmth is blowing onto Lund. Also, if "seaside" Gillingham reaches 23.3'C highs because of London, why doesn't the seaside city Southend-on-Sea do that? They're both about the same distance from London. I say it's because Gillingham isn't so "seaside". It's quite a bit of "fake" sea away from the real sea. Also, the "fake" sea that's there only takes up about 45 degrees of "FOV" from Gillingham, so there's actually quite a bit of land around the city.
I don't really get what kind of point you're trying to make. Lund is warmer than Malmö in summers because it's slightly further inland, not because Malmö's warmth is blowing onto Lund. Also, if "seaside" Gillingham reaches 23.3'C highs because of London, why doesn't the seaside city Southend-on-Sea do that? They're both about the same distance from London. I say it's because Gillingham isn't so "seaside". It's quite a bit of "fake" sea away from the real sea. Also, the "fake" sea that's there only takes up about 45 degrees of "FOV" from Gillingham, so there's actually quite a bit of land around the city.
Lund would be warmer than Malmö anyway, but Copenhagen/Malmö probably bring 0.2-0.3 C extra, especially since Lund is too small to sustain a massive UHI itself.
Southend is slightly farther away from inner London and also more exposed due to its longer coastline around it. But having said that, these differences are probably no more than 0.2-0.3 C.
Lund would be warmer than Malmö anyway, but Copenhagen/Malmö probably bring 0.2-0.3 C extra, especially since Lund is too small to sustain a massive UHI itself.
Southend is slightly farther away from inner London and also more exposed due to its longer coastline around it. But having said that, these differences are probably no more than 0.2-0.3 C.
Look, either way, Stockholm's UHI is far lesser than that of London's. Stockholm is also much smaller in area, and Uppsala is also much farther away from Stockholm than Gillingham. Uppsala's own UHI will have a much much higher impact than that of Stockholm.
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