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| alt.talk.weather (General Weather Talk) (alt.talk.weather) A general forum for discussion of the weather. |
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#1
October 11th 05, 06:49 AM
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Altitude versus pressure
Bart Bailey wrote:
I show a difference between my local barometric reading and the sea level reading (Lindbergh ATIS) of about .45". What is the formula to calculate altitude based on this disparity? I think my altitude here in North Park is about 350 ~ 400 feet. (387 per the GPS) It's an exponential equation, in geopotential meters (not even regular meters). You're probably better off saying "close enough" and not bothering to figure it out. You'll end up really frustrated (we had this as a question on a synoptic exam in college, based on our 11-story building). However, if you still want I can look it up in my textbooks. |
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#2
October 11th 05, 04:43 PM
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Altitude versus pressure
On Mon, 10 Oct 2005 22:49:29 -0700, Andrew Rosenthal
wrote: Bart Bailey wrote: I show a difference between my local barometric reading and the sea level reading (Lindbergh ATIS) of about .45". What is the formula to calculate altitude based on this disparity? I think my altitude here in North Park is about 350 ~ 400 feet. (387 per the GPS) It's an exponential equation, in geopotential meters (not even regular meters). You're probably better off saying "close enough" and not bothering to figure it out. You'll end up really frustrated (we had this as a question on a synoptic exam in college, based on our 11-story building). However, if you still want I can look it up in my textbooks. Nice offer, but don't bother. Physics have changed since you left school. Most everything you've learned is now obsolete, thanks to Greenpeace. |
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