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I've seen forecasts before for these Prairie places, and for Siberia, where under an Arctic airmass the temperature doesn't rise at all despite sun all day like for you on Tuesday. That would never happen here on a sunny day, and our sun is about the same height in the sky as yours - is the cold airmass really that strong to override any effect of the sun? What's the latest in the winter this can happen?
It can and does happen. Its the snow cover that prevents the temperatures from rising fast.
Infact, today the temperature only rose 5c here. -2c to 3c.
"Here" for me is not the same as "here" for you...we have had days here when the temp has varied by less than a degree all day (generally in cold easterly flows in winter and/or persistent fog, but very occasionally in prolonged rain events in other times of year) but I can't find an example of it happening when it has been sunny the whole day.
Here the forecast is inverse of Saskatoon's. Tonight a blizzard will arrive, it will snow for four days straight, and the weekend will see lows of -15°C. It's great, I couldn't ask for more.
As for the sun's effect on temperature, I've read an article that claimed sun had very little if any effect below about 20° altitude. Here where it's below 20° all winter there's no daily oscillation in the coldest months, temperature is quite random and almost solely determined by air currents. A distinct sine starts appearing in weekly temperature graphs in March.
Here the forecast is inverse of Saskatoon's. Tonight a blizzard will arrive, it will snow for four days straight, and the weekend will see lows of -15°C. It's great, I couldn't ask for more.
As for the sun's effect on temperature, I've read an article that claimed sun has very little if any effect below about 20° altitude. Here where it's below 20° all winter there's no daily oscillation in the coldest months, temperature is quite random and almost solely determined by air currents. A distinct sine starts appearing in weekly temperature graphs in March.
Here the high temperatures have been at random times of the day recently and diurnal ranges have been low, but that's because it's been overcast. 99% of sunny winter days here, assuming there are no fronts involved, have a higher temperature in the afternoon than first thing in the morning, even if only by a few degrees - is that not true in Estonia? Maybe it's a continental climate/really low temperature thing which rarely if ever applies here?
Today Mostly sunny, with a high near 67. North wind 13 to 17 mph, with gusts as high as 22 mph.
Tonight Partly cloudy, with a low around 50. North wind 6 to 10 mph.
Wednesday Mostly sunny, with a high near 70. North wind 7 to 9 mph becoming east in the afternoon.
Wednesday Night A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 60. East wind 8 to 11 mph.
Thursday A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 75. Southeast wind 9 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Thursday Night A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 62. Southeast wind 5 to 13 mph.
Friday A 20 percent chance of showers before noon. Partly sunny, with a high near 78. Southeast wind 3 to 8 mph.
Friday Night Partly cloudy, with a low around 62. South southeast wind 6 to 8 mph.
Saturday A 20 percent chance of showers. Mostly sunny, with a high near 80. South southeast wind 6 to 14 mph.
Saturday Night Mostly cloudy, with a low around 65.
Sunday A 20 percent chance of showers. Partly sunny, with a high near 80.
Sunday Night Mostly cloudy, with a low around 65.
Monday A 20 percent chance of showers. Partly sunny, with a high near 79.
If its windy and there is a cold airmass it can stay at the exact same temperature all day, even in Sunshine.
NE produce those conditions here.
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