Quote:
Originally Posted by lrt's friend
In the summer, heat is often trapped in the valley in the urban area. I remember on one occasion, how sultry it was driving south on Conroy through Greenboro and the relief I felt as I drove up the hill south of Hunt Club. In that case, heat from all the buildings and asphalt was trapped in a low lying area.
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Ottawa's heat-island effect is becoming quite noticeable on a human scale during a human lifetime. On a morning with snow that scrunches and squeaks even in the Glebe or Sandy Hill, it'll still be slushy and damp "snowman snow" downtown. The lower portion of the canal has had trouble freezing and didn't open at all this winter (part of which might also be related to the overuse of salt on nearby surfaces.) And in the non-snowy parts of the year, the CBD is getting slower and slower to give up its heat in the evening.