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Post by Deleted on Jan 12, 2020 13:22:37 GMT -5
Which cities can you think of that have weather stations at airports that are not representative of the climate of the city it serves? Doesn't have to be an airport in particular; any weather station that is used to reference a city, but isn't actually like the city will do.
In the UK I can think of Bournemouth Hurn and Leeds-Bradford, both airports that don't give an accurate picture of either Bournemouth or Leeds.
I think Rozenn said Nice airport isn't representative of Nice either.
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Post by Donar on Jan 12, 2020 13:39:09 GMT -5
Grenoble Airport is quite far away from Grenoble and at the other side of a mountain range, though I don't have any first hand experiences if it actually misrepresents the city.
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Post by tij on Jan 12, 2020 13:43:13 GMT -5
Grenoble Airport is quite far away from Grenoble and at the other side of a mountain range, though I don't have any first hand experiences if it actually misrepresents the city. French wiki has entirely different stats for Grenoble-St Martin d'Hères with much hotter summers. |
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Post by Steelernation on Jan 12, 2020 14:07:02 GMT -5
Binghamton.
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Post by Lommaren on Jan 12, 2020 16:20:40 GMT -5
Jönköping! The airport station is 150 m asl higher than downtown, it's bonkers to choose that location. Sundsvall's airport station is also quite far off the values of what I'd expect for downtown, especially since it's like 25 km further north and further from the sea.
Aberdeen should be rather unrepresentative as well. The sea is apparently moderating the city even more than the inland rural area.
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Post by knot on Jan 12, 2020 17:27:23 GMT -5
Strewth, seconded.^ The station lay at 500 m AMSL, whereas the downtown lay merely 260 m AMSL. And it's also an exposed hilltop compared to the sheltered city valley. |
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Post by rozenn on Jan 12, 2020 19:11:24 GMT -5
Which cities can you think of that have weather stations at airports that are not representative of the climate of the city it serves? Doesn't have to be an airport in particular; any weather station that is used to reference a city, but isn't actually like the city will do. In the UK I can think of Bournemouth Hurn and Leeds-Bradford, both airports that don't give an accurate picture of either Bournemouth or Leeds. I think Rozenn said Nice airport isn't representative of Nice either. Mmh I think it was dhdh. Agree about Grenoble, probably the worst offender in France. The airport is actually outside the Alps! Marseille-Marignane is up there too. |
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Post by Ariete on Jan 13, 2020 0:15:16 GMT -5
Jyväskylä Airport. It's 20 km from the city itself on a moraine ridge. The city is 100 m lower by a lake. And this is the only weather station in the region, rediculous.
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Post by Babu on Jan 13, 2020 7:31:34 GMT -5
Örnsköldsvik's airport 20km away at 100m higher altitude, and with 10km of land instead of 10km of archipelago to the sea.
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Post by Lommaren on Jan 13, 2020 8:27:52 GMT -5
Örnsköldsvik's airport 20km away at 130m ASL, and with 10km of land instead of 10km of archipelago to the sea. That the SMHI use Esrange rather than the Airport as the official Kiruna station is another part of the SMHI greatest hits 
Their obsession with rural stations in frost hollows, when towns like mine, Gnesta, Katrineholm and Flen have no stations is another stunner.
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Post by Crunch41 on Jan 14, 2020 0:52:45 GMT -5
Strewth, seconded.^ The station lay at 488 m AMSL, whereas the downtown lay merely 259 m AMSL. I found another Binghamton - Marquette, Michigan. The "Marquette WFP" station on NOWData is at 613 feet (187m) along Lake Superior right in town. The station that comes up as the main Marquette station is Marquette WFO, further inland from the town and at 1415 feet (431m). 9 miles inland and 800 feet higher. It is a very poor representation of the city.
Somehow, the average is only about 1F cooler by day and 6F cooler by night. Elevation does not much difference and I don't know why.
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Post by Crunch41 on Jan 14, 2020 0:58:33 GMT -5
Looking at those Swedish ones, those are worse than the one I found. Why would they do that? Only the SMDH knows.
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Post by Nidaros on Jan 14, 2020 12:15:21 GMT -5
Voll in Trondheim is at 127 m ASL and about 3 km from the fjord / sea, while Trondheim city center is at 10 m ASL and like 100 - 200 m from the fjord. Oslo Airport is at 202 m ASL and something like 45 km inland, while Oslo city center is right next to the fjord at like 20 m ASL. However the station now used for Oslo is Oslo-Blindern, in the city at 94 m ASL and some km from the fjord. At least it is much more representative for Oslo than the airport. Far north, Narvik was for a period represented either with the station Straumsnes, about 15 km away and 200 m ASL (Narvik is at like 20 m ASL) or even by the station Fagernesfjellet (Mt Fagernes) at 1000 m ASL! Now they again have a station in the city. The town Rjukan (300 m ASL), inland W of Oslo, has the station Fyriegg at 1008 m ASL as their closest weather station.
In Norway, inland stations will be noticeably colder in winter.
One more: Sogndal, the main town innermost in Sognefjord, located right at the fjord at sea level, only has the airport close by, and the airport is at 497 m ASL. There is a road station, but those are not used as they are so poor being close to the asphalt.
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Post by Morningrise on Jan 14, 2020 12:25:40 GMT -5
Vancouver's airport is located at low elevation right by the water and far from the mountains and as a result tends to be drier, sunnier, and milder than much of the metro area. This can be clearly seen when comparing it to other weather stations in the area, like downtown Vancouver (1588mm of precipitation and 1818 sunshine hours downtown, vs 1189mm and 1938 hours at the airport).
The differences can also be clearly felt during extreme weather. I used to live 15km inland and about 100 meters in elevation and we were much hotter in summer heatwaves and much colder in the winter compared to the airport (or even downtown Vancouver, for that matter).
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Post by Donar on Jan 14, 2020 14:30:53 GMT -5
It seems quite hard to find a representative spot for West Coast cities because the climate gradient is so steep when going inland.
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Post by aabc123 on Jan 14, 2020 14:41:01 GMT -5
Tartu weather station in Estonia, 20 km far from the city, in a village.
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Post by segfault1361 on Jan 19, 2020 23:08:10 GMT -5
Pearson Airport is 25km northwest from Downtown Toronto. Nighttime lows are usually cooler than downtown. More snow accumulation than downtown in the winter. Some days a few degrees warmer than downtown in the spring due to less exposure to lake breeze. Thunderstorm precip is usually way off in the summer.
Billy Bishop Airport meanwhile despite being 1km offshore from downtown on the Toronto Islands, is even less accurate than Pearson due to the full exposure to Lake Ontario in all directions except the actual 'cold' direction (north). Thus, spring and summer temperatures are often several degrees cooler than Downtown Toronto.
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Post by lab276 on Jan 19, 2020 23:26:23 GMT -5
No station in Sydney is going be representative of the whole city, because we're just so damn big. Obs Hill does a good enough job for the east, Bankstown and Olympic Park for the middle west, and Penrith and Richmond for the outer west. The only part of Sydney that doesn't get a good shake is the North Shore and the Hills. The difference so far this January isn't that great though tbh, particularly in terms of minimum temps. Still 11 days to go though. Obs Hill 20.0/26.4 Bankstown 19.3/28.3 Penrith 19.5/30.5 Lots of stations in Sydney though, which is great.  |
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Post by Babu on Feb 23, 2021 4:04:57 GMT -5
I was curious why the Trondheim Lade station literally always has the warmest average highs in the city, irregardless of season or month, when the stations at similar altitude further inland would be expected to have warmer highs in at least May-July. I think I found the reason.   It's only got (inconsistent) data since 2014 though and isn't really used by Meteorologisk institutt to represent Trondheim but still. I think it's a very interesting station though. I've always wondered how large construction sites and quarries affect the local climate. Seems like it affects it quite a bit. |
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Post by Babu on Feb 23, 2021 4:21:36 GMT -5
There was also no need to put the Trondheim Ranheim station so close to asphalt and major construction site considering it's in the very outskirts of the city and there's a ton of open space and fields right nearby.    It's not exactly a ridiculous station with highly erroneous readings. It's mostly just a little baffling why they'd choose that exact spot. |
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