The Classification of Synoptic-Scale Eddies at 850 hPa over the North Pacific in Wintertime

<div>The height perturbations (contour, unit: gpm), horizontal wind perturbations (vector, unit: m/s), temperature perturbations (shaded in (a)–(e), unit: K), and vertical velocity perturbations (shaded in (f)–(j), unit: 10<sup>−2</sup> Pa/s) of the typical samples (PC1 &gt; 2: (a)–(e); PC2 &gt; 2: (f)–(j)), in which lag = −2 corresponds to two days before the typical samples and so on.</div>

Advances in Meteorology

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Figure 3

Figure 3: The Classification of Synoptic-Scale Eddies at 850 hPa over the North Pacific in Wintertime 