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#1
July 29th 18, 06:18 PM
posted to rec.aviation.soaring
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"N" on Constant Pressure Charts
I have spent a few days on Google looking for a description of what "N" means on Constant Pressure Charts.
The best I have found is that "N" identifies an area of little or no vorticity. Is this right? 
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#2
July 29th 18, 06:36 PM
posted to rec.aviation.soaring
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"N" on Constant Pressure Charts
On Sunday, July 29, 2018 at 12:18:26 PM UTC-4, Jim wrote:
I have spent a few days on Google looking for a description of what "N" means on Constant Pressure Charts. The best I have found is that "N" identifies an area of little or no vorticity. Is this right? I think X means an area of positive Vorticity advection and the letter N means negative Vorticity advection. see https://www.weather.gov/source/zhu/Z...vorticity.html .
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