Temperature rises with altitude increase? Over Logan Utah. The airport reports a lower temp than shown when at altitude above the airport. Aircraft shows 40deg while 32 on the ground. If I place the aircraft on the ground the weather parameters match. Is the 40 degrees a creation from FSX or is it from the "real weather"?

If you pass over a frontal boundary or temperature inversion, what you experienced is entirely possible.

If you pass over a frontal boundary or temperature inversion, what you experienced is entirely possible.

That is interesting. Does FSX model the striations or is this from Jeppesen? I justwent to an airport near me and the reported condition were reasonable. Donig e vertical slew I had a logically stepped reduction in temperature from 19F down to zeroF. Therefore, I would have to tacitly agree that odd temperature layers may be properly found in FSX.

Something to be aware of...If you use FSUIPC there are a couple of options that need to be disabledotherwise you may experience an unabated increase over time of OAT.The options are 'off' by default but if a user enables them, then a problem can occur.Here is a link to a thread with the information and screen shots describing the potential problem. Look down the thread 5 or 6 poststo the post by me.http://a2asimulations.com/forum/viewtopic....=55&t=13228 Paul

That is interesting. Does FSX model the striations or is this from Jeppesen? I justwent to an airport near me and the reported condition were reasonable. Donig e vertical slew I had a logically stepped reduction in temperature from 19F down to zeroF. Therefore, I would have to tacitly agree that odd temperature layers may be properly found in FSX.

If you have FSX download winds aloft data with the other weather information, I assume that it imports the temperatures aloft as well. If it has that information, along with prog charts, METAR/TAF, etc., I imagine it can do enough modeling and interpolation to simulate temperature layers as well.

Paul,This one's for you: IT'S FSUIPC!, IT'S FSUIPC!, IT'S FSUIPC! Wow, that felt good. Too bad you can't say this, as FSUIPC is such a FANTASTIC program, and this is the ONE time I can jump up and down, point fingers at FSUIPC, jeer, cheer, and dance, yuppeeee, hahaha. There! (heehee).Now go uncheck that OPTION that FSUIPC so graciously provided ('just in case') and rest assured that something ELSE will be the 'problem' (and not FSUIPC - 'again'). But it may EVEN be the SOLUTION to someone else's (Microsoft?) 'booboo' programming. Cheers.Chuck BNapamule

Temp inversions can produce a shocking temp differential, we get them in the winter in the PNW. We had a wicked one in Jan, which lead to weeks of endless fog that never burns off. Sea level temp of 34 F and dense fog, and at 2522 F msl no fog and a temp of 61 F

Temp inversions can produce a shocking temp differential, we get them in the winter in the PNW. We had a wicked one in Jan, which lead to weeks of endless fog that never burns off. Sea level temp of 34 F and dense fog, and at 2522 F msl no fog and a temp of 61 F

My most shocking one was a few years ago coming from Florida to Mcminville, Tenn. The forecast was great, and temps were warm at 6000 ft. -around 55 degrees. When handed off to approach I was asked if I had any icing conditions? What the hay? Got the descend to 3000 ft. and the temp dropped to freezing and suddenly ice was accumulating at an alarming rate even with boots going. Landed, got the forecast-bad icing over the whole area and decided to spend the night and wait for better despite knowing I'd be late for work the next day. A huge area of unforecast icing overtook the whole area-and yes temp inversions. Tookoff the next morning and made home in nice vfr conditions-unfortunately quite a few aircraft that did not wait it out did not make it. I was suprised when my boss was happy I was late to work as a crash only a mere 10 hours before wiped out a whole family that tried to make it a go in those conditions.