Here is the current term:If below it different substantially compared to how it appears in your app/software, be sure to update your software/app's content prior to using this form.
Standard Atmosphere
A hypothetical atmosphere based on climatological averages comprised of numerous physical constants of which the most important are: \
A surface temperature of 590 F (150 C) and a surface pressure of 29.92 inches of mercury (1013.2 millibars) at sea level;
A lapse rate in the troposphere of 6.5 0 C per kilometer (approximately 20 C per 1,000 feet);
A tropopause of 11 kilometers (approximately 36,000 feet) with a temperature of -56.5 0 C; and (4) An isothermal lapse rate in the stratosphere to an altitude of 24 kilometers (approxima~ely 80,000 feet).
source: FAA Aviation Weather for Pilots (AC 00-6A)
Please do not use this form to tell us that the definition you saw doesn't necessarily match the context where you saw it. We use an automated keyword-based system to match the tens of thousands of definitions in our glossaries with our material. Sometimes, when a term has more than one meaning or use or when an abbreviation might stand for more than one thing or resemble a 'normal' word, this results in a definition for a term being shown that doesn't necessarily match the context. Please do not report such issues here. Rather, please use your best judgment to evaluate whether such definitions apply to what you're reading. If the answer is 'no' but nevertheless you feel the term doen't have a good definition in our system but should, please go back and find the 'suggest a term' link in the app. Thanks!
We welcome your feedback.Please carefully fill out the specifics below. If you wish to comment on more than one term/definition, please fill out and submit this form separately for each.
Specifics:
Please Identify Yourself.It's important, so that we can get back to you with feedback or requests for clarification.
Name
E-Mail
Please enter your email address above solely for the purpose that our editorial team might, if necessary, contact you with questions, comments, or requests for clarification.