Questions tagged [pacific]

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What meteorological factors contribute to springtime Trans-Pacific air-pollution events?

The transport of tropospheric ozone, ozone precursors, carbon monoxide, etc from Asia to North America is an active area of research (see J.L. Ambrose, et al., 2011) These types of events occur ...
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What does a change in the mean pressure across 750 km indicate/signify?

Coming from the aviation site: What is the westerly index? The westerly index is: ... the Trenberth Z1 index (Trenberth 1976), which is the departure of the monthly mean pressure difference between ...