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Post by Moron on Oct 14, 2018 4:18:41 GMT -5
Wait it was 25C in norway at 3am in october??? No fucking way that's pretty hot for perth in summer at 3am.
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Post by Steelernation on Oct 14, 2018 7:09:47 GMT -5
It dropped to 39 (4 C) last night in Rochester and then to 38 (3 C) this morning. That’s the coldest temp since late April.
That snapped the streak of 40+ temps at 164 days, tied for the most on record with 1922!
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Post by firebird1988 on Oct 14, 2018 7:18:33 GMT -5
Currently 16.7°C with a dewpoint of 16.7°C at 5am Pacific (Normal Low 18.9°C)
Forecast High is 24.4°C (Normal High 31.7°C)
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Post by Deleted on Oct 14, 2018 7:23:13 GMT -5
This October is shaping up to be nothing like October 2017. That's good in a way; I should remove my air conditioning after tomorrow.
Currently 46 F / 8 C & cloudy. No heat on in the house. I'm cold as hell. I'm wearing a hoodie with a sweatshirt underneath. Certainly an autumnal feeling.
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Post by Deleted on Oct 14, 2018 7:23:59 GMT -5
Raining hard again today in Sheffield. Yet again more rain has fallen than in Buxton! When it rains here it rains hard. 16mm and counting. I guess Buxton must get more hours of rain but it's always lighter in any given event.
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Post by Deleted on Oct 14, 2018 7:41:03 GMT -5
Wait it was 25C in norway at 3am in october??? No fucking way that's pretty hot for perth in summer at 3am. It's caused by the foehn wind effect. Air with high relative humidity goes up over the windward side of the mountain, loses its water vapor, and when it comes back down the leeward slopes, it's warmer than it is at equivalent windward elevations with more moisture. Temperature changes with elevation more when the air is dry versus moist. The process is adiabatic, which means there's no exchange of heat energy and no need for a source of warm air to have such a drastic rise in temperature even in a place like Norway at this time of year. In North America, these are called chinook winds. |
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Post by urania93 on Oct 14, 2018 8:29:02 GMT -5
Wait it was 25C in norway at 3am in october??? No fucking way that's pretty hot for perth in summer at 3am. It definitively looks like foehn wind, as already mentioned and explained. It is pretty common also in here, in particular during the winter months when the temperature jumps from nearly 0°C to 15+°C in the middle of a January night is actually quite impressive. You just need a mountain high enough and an air mass with the right humidity passing over it. |
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Post by Moron on Oct 14, 2018 8:34:51 GMT -5
Still, even with foen thats ridiculous that it can get to 25C in northern norway at 3am in mid october.
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Post by ilmc90 on Oct 14, 2018 9:03:39 GMT -5
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Post by urania93 on Oct 14, 2018 9:09:24 GMT -5
Still, even with foen thats ridiculous that it can get to 25C in northern norway at 3am in mid october. It depends on elements like the elevation change, the starting temperature and humidity and so on. Probably that air was warmer than usual already, but if the location is favourable the foehn wind effect can easily add 10+°C to the temperature. Anyway, is there any other weather station around that place? It could help to confirm the observation. |
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Post by Nidaros on Oct 14, 2018 9:23:36 GMT -5
Still, even with foen thats ridiculous that it can get to 25C in northern norway at 3am in mid october. It depends on elements like the elevation change, the starting temperature and humidity and so on. Probably that air was warmer than usual already, but if the location is favourable the foehn wind effect can easily add 10+°C to the temperature. Anyway, is there any other weather station around that place? It could help to confirm the observation. Tafjord is a well-known föhn-prone village at the head of a small fjord with steep mountains reaching above 1,500 m in all directions. It has the national all-time high for January with 17.9C and for November with 21.8C. It is in west-central Norway at ca 62 N.
The high there was 25.5C. That was actually tied a little later at Surnadal, a little further NE. But the national high 25.6C for Oct seems to survive.
Marstein, deep in a valley also a little NE shows the same pattern last night: And of course sunndalsøra.
There are many other stations that has recorded the same pattern with a warm pulse hitting this night, so there is no reason to doubt the reading. At Trondheim AP Værnes it hit a just a few hours later: |
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Post by Deleted on Oct 14, 2018 14:33:22 GMT -5
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Post by firebird1988 on Oct 14, 2018 14:46:08 GMT -5
After yesterdays official rain total came in, this is now our wettest October by a longshot. Previous wettest was 10/1972 with 111.76 mm
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Post by firebird1988 on Oct 14, 2018 18:57:18 GMT -5
Today's High was 24.4°C (Normal High 31.7°C)
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Post by AJ1013 on Oct 14, 2018 19:18:01 GMT -5
Brrrrrrr firebird1988  Should note that this is an unlikely outcome. |
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Post by firebird1988 on Oct 14, 2018 19:58:43 GMT -5
Our forecast low Wednesday is 13.9°C per NWS |
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Post by AJ1013 on Oct 14, 2018 20:01:39 GMT -5
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Post by ilmc90 on Oct 14, 2018 20:54:11 GMT -5
Worthy of a re-post alex992 . Crazy for Dallas in October:   Meanwhile Winter Storm Warnings in the higher elevations of New Mexico: |
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Post by firebird1988 on Oct 15, 2018 5:13:53 GMT -5
Currently 19.4°C with a dewpoint of 16.1°C at 3am Pacific (Normal Low 18.9°C)
Forecast High is 25°C (Normal High 31.7°C)
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Post by firebird1988 on Oct 15, 2018 19:01:33 GMT -5
Today's High was 25.6°C (Normal High 31.7°C)
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