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Post by boxman on Sept 10, 2012 11:38:40 GMT
Either way it is official and agreed more with temperatures in trondheim. There is also a hill/mountain that separates værnes from trondheim which can during some weather affect temperatures. I recall during the very end of the coldwave a couple of winters ago. On one side of the hill we had fog and nearly 0c but on other side of the tunnel it was still -25c~ which is a pretty drastic difference. I know for a fact that temperature has not been 25c at least in my area of trondheim. Not that it would even change much as it was still the worst "summer" in my lifetime.
The unofficial stations are set up by average joe who dont know even where to place it. Some of these stations shows even 30c since they are warmed up by sunlight.
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Post by numerouno on Sept 10, 2012 17:16:23 GMT
"Either way it is official and agreed more with temperatures in trondheim."
I'm convinced, based on the official and inofficial sources, that the temperature in Trondheim downtown, about two or three meters above the sea level, reached over 25C for that one day in August. The other of the official local stations located slightly higher up was cooler just about the correct amount considering the normal lapse rate to match the other official station at 17 m and the private stations I was able to browse the history of.
You live in a country where local changes in temperature will be quite large, which you probably knew already.
The moral of the story is that weatherunderground is a useful site.
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Post by boxman on Sept 10, 2012 23:27:52 GMT
"Either way it is official and agreed more with temperatures in trondheim." I'm convinced, based on the official and inofficial sources, that the temperature in Trondheim downtown, about two or three meters above the sea level, reached over 25C for that one day in August. The other of the official local stations located slightly higher up was cooler just about the correct amount considering the normal lapse rate to match the other official station at 17 m and the private stations I was able to browse the history of. You live in a country where local changes in temperature will be quite large, which you probably knew already. The moral of the story is that weatherunderground is a useful site. Which station "downtown" are you talking about? Because værnes one is not even located inside trondheim at all, but instead in neighbouring town stjørdal. The one i listed is the one that is usually referred to when it comes to weather in trondheim. The local newspaper uses that one as well. Officially we had not a single day above 25c, but of course there could be some areas that had higher temps that day. I know at least it was not 25c here where I live which is btw at sea level and only 5-10min drive from centrum. This station is also not always colder than the one at værnes. When we had 24.5c in may the wunderground station only showed 22c and that day it was definitely warmer than 22c in my area as well.
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Post by icefisher on Sept 11, 2012 0:06:28 GMT
& I'm convinced, based on the official and inofficial sources, that the temperature in Trondheim downtown, about two or three meters above the sea level, reached over 25C for that one day in August. Which station "downtown" are you talking about? Because værnes one is not even located inside trondheim at all, but instead in neighbouring town stjørdal. The one i listed is the one that is usually referred to when it comes to weather in trondheim. The local newspaper uses that one as well. Officially we had not a single day above 25c, but of course there could be some areas that had higher temps that day. Numno gets uncomfortable with any information at all that he might survive global warming. . . .so he works hard at coming up with trivialities that keeps his terror at continuing at bay! Here in the Los Angeles area summer temperatures frequently differential up to around 20C. Jerry Dunphy a 40year local news anchor started every news program with "From the desert to the sea, to all of Southern California, a good evening." which pretty much explains why. The rest of the explanation is our offshore currents are cold running from north to south (Humboldt Current) from the Gulf of Alaska and the summer prevailing wind blow across that cold current directly onshore (SW winds) I have seen a 35 degreeF temperature gradient over about 6 miles, going from the high 60's to the low 100s (farenheit) with no significant change in elevation. We are having an average summer. This summer the cold offshore currents are unusually cold as they have been for a few years but this summer we have had a robust inside counter current bring a finger of quite warm water into the region from the shore out about 90 miles. This is typical El Nino conditions for Socal except its not warmer than normal even though the water on the inside is. Perhaps that the outside extra cold water dampening what should be an above average summer into a very average one.
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Post by numerouno on Sept 11, 2012 0:45:17 GMT
"Which station "downtown" are you talking about?"
The one you posted the data reference to yourself. I don't know who operates it. If memory serves, that was located some kilometers from the city centre of Trondheim, the height is 127 meters above sea level.
The airport (and I assume its station as well) is at 17 meters above sea level.
"the wunderground station only showed 22c "
I could not see only one such station ("the") but several in Trondheim.
It gets complicated if you refer to Trondheim while you seem to live somewhere else yourself. A 1C temp reduction per 100 meters would easily get you cooler.
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Post by numerouno on Sept 11, 2012 0:49:48 GMT
"Numno gets uncomfortable with any information at all that he might survive global warming. . . .so he works hard at coming up with trivialities that keeps his terror at continuing at bay!"
Icefisher, would a extensive heatwave and the melt that revealed some WWI ammo in an Italian glacier in the Alps this year be insignificant climatewise?
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Post by boxman on Sept 11, 2012 1:37:13 GMT
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Post by numerouno on Sept 11, 2012 3:18:34 GMT
Boxman, I checked the map of Tronheim, and there is housing a 5-10 minutes of driving from the centrum which is close to 200 meters from sea level. kart.gulesider.no/ That would mean such sites are about 2 C cooler than the centrum as per normal lapse rate. The Voll weather station showed 24C, while being at 127 meters, the inofficial meters in the Centrum and the official airport meter showed 25-26C at 17 meters or less. Therefore I conclude the temperature in Tronheim city centre was over 25C on one day in August, and you are therefore very likely wrong.
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Post by nonentropic on Sept 11, 2012 19:04:28 GMT
What is the point of this discussion a degree here or there the weather was crap. Finished!
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