CRJ_simpilot Posted January 16, 2018 Share Posted January 16, 2018 I typically fly at FL500 in the F22 and the temperature up there is anywhere between -90F to -109F. Is that what it is in real life? I use Active Sky Evolution. Right now in real life it's -2F. I can't imagine the temperature being -100F. If you were exposed to that you'd surly freeze to death on the spot. OOM errors? Read this. What the squawk? An awesome weather website with oodles of Info. and options. Wile E. Coyote would be impressed. Link to comment Share on other sites More sharing options...
Speedbird21 Posted January 16, 2018 Share Posted January 16, 2018 That sounds about right. Standard lapse rate is -2F for every 1000ft of altitude so at 50,000 you are at -102F based off -2F on the ground and then -100F for altitude. Link to comment Share on other sites More sharing options...
jorgen.s.andersen Posted January 16, 2018 Share Posted January 16, 2018 I've done one HALO jump from about 40,000 feet, and it was cold, I can guarantee that. We had to have every little bit of skin covered to avoid frostbite. And you could certainly feel it getting warmer as you dropped down. Jorgen Link to comment Share on other sites More sharing options...
PAULCRAIG Posted January 16, 2018 Share Posted January 16, 2018 Above 60,000ft it actually starts getting warmer! This is because of the absorption of the Sun's ultraviolet radiation by ozone. Link to comment Share on other sites More sharing options...
mikeandpatty Posted January 16, 2018 Share Posted January 16, 2018 Google International Standard Atmosphere - it is the basis for all aero calculations and deviations from. Link to comment Share on other sites More sharing options...
lnuss Posted January 16, 2018 Share Posted January 16, 2018 That sounds about right. Standard lapse rate is -2F for every 1000ft of altitude so at 50,000 you are at -102F based off -2F on the ground and then -100F for altitude. Ahh, but that lapse rate is only good up to about 36,000 feet. From page 4-3 of the FAA's Pilot's Handbook of Aeronautical Knowledge: A standard temperature lapse rate is when the temperature decreases at the rate of approximately 3.5°F or 2°C per thousand feet up to 36,000 feet, which is approximately –65°F or –55 °C. Above this point, the temperature is considered constant up to 80,000 feet. A lot of things change from about 36,000 ft. up. Larry N. As Skylab would say: Remember: Aviation is NOT an exact Science! Link to comment Share on other sites More sharing options...
Speedbird21 Posted January 16, 2018 Share Posted January 16, 2018 Ahh, but that lapse rate is only good up to about 36,000 feet. From page 4-3 of the FAA's Pilot's Handbook of Aeronautical Knowledge: A standard temperature lapse rate is when the temperature decreases at the rate of approximately 3.5°F or 2°C per thousand feet up to 36,000 feet, which is approximately –65°F or –55 °C. Above this point, the temperature is considered constant up to 80,000 feet. A lot of things change from about 36,000 ft. up. In the real world, most definitely, but I wonder if FSX has that granularity in it's weather prediction. Based off the OP's numbers I would say no. It looks like it pre-programmed to follow the SLR to infinity lol Link to comment Share on other sites More sharing options...
COBS Posted January 17, 2018 Share Posted January 17, 2018 The Simulator does accurately reflect temperatures . I have a F-111 that is heavily instrumented , it provides a large amount of data . It has a Temperature gauge that gives both OAT and TAT . OAT = Outside temperature TAT = similar to Skin temperature (faster you go the hotter it gets) A click converts temperature from C to F degrees ( have shown both in shots ) Two runs , (1). at 50,000' at M 1.80 (2). at 70,000' at M 2.20 Cheers Karol PS Click on shots to get larger Image , second click even larger you can then read the temperature values Link to comment Share on other sites More sharing options...
ammarmalhas Posted January 17, 2018 Share Posted January 17, 2018 The Simulator does accurately reflect temperatures . I have a F-111 that is heavily instrumented , it provides a large amount of data . It has a Temperature gauge that gives both OAT and TAT . OAT = Outside temperature TAT = similar to Skin temperature (faster you go the hotter it gets) A click converts temperature from C to F degrees ( have shown both in shots ) Two runs , (1). at 50,000' at M 1.80 (2). at 70,000' at M 2.20 Cheers Karol PS Click on shots to get larger Image , second click even larger you can then read the temperature values [ATTACH=CONFIG]201065[/ATTACH] [ATTACH=CONFIG]201066[/ATTACH] Can’t find the figures, where are they supposed to be!? Why did u not just write the figures? Thanks. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
COBS Posted January 17, 2018 Share Posted January 17, 2018 I placed a BIG Yellow rectangle around the instrument in the first shot It's impossible to miss . I also pasted a copy of the conversion C over the left edge of the panel . However I did it , I at the very least made an effort to contribute to the thread . Cheers Karol Link to comment Share on other sites More sharing options...
ammarmalhas Posted January 17, 2018 Share Posted January 17, 2018 Thank u, but reading your post and trying to see your image with “yellow circles†on an iPhone is not so easy for me as I approach 60 Year’s of age! As for your “kind†efforts ... well ... THANK YOU, I have surpassed your contributions many times over in several forums! Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
ammarmalhas Posted January 17, 2018 Share Posted January 17, 2018 Now that u pointed out your yellow box, I can read it and figure out the numbers. Thank u. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
COBS Posted January 17, 2018 Share Posted January 17, 2018 Thank u, but reading your post and trying to see your image with “yellow circles†on an iPhone is not so easy for me as I approach 60 Year’s of age! As for your “kind†efforts ... well ... THANK YOU, I have surpassed your contributions many times over in several forums! Sent from my iPhone using Tapatalk I now understand , I am using a 27 inch monitor , I can imagine how very hard it would be to to see on an iphone . All the best Karol Link to comment Share on other sites More sharing options...
ammarmalhas Posted January 17, 2018 Share Posted January 17, 2018 Bless u Karol :-) Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
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