]> <link href="/styles/xml_display.css" rel="stylesheet" type="text/css"/> <link href="/styles/xml_tables.css" rel="stylesheet" type="text/css"/> <link href="/styles/tables_alg.css" rel="stylesheet" type="text/css"/> </head> <body style="background: white"> <table class="table-group" width="800px"> <tr class="fig-image" id="a"> <td> <img alt="128214.fig.001a" src="../../128214.fig.001a.jpg"/> </td> </tr> <tr class="fig-caption"> <td align="center"> <table> <tr> <td> <b>(a) </b> </td> </tr> </table> </td> </tr> <tr class="fig-image" id="b"> <td> <img alt="128214.fig.001b" src="../../128214.fig.001b.jpg"/> </td> </tr> <tr class="fig-caption"> <td align="center"> <table> <tr> <td> <b>(b) </b> </td> </tr> </table> </td> </tr> <tr class="fig-image" id="c"> <td> <img alt="128214.fig.001c" src="../../128214.fig.001c.jpg"/> </td> </tr> <tr class="fig-caption"> <td align="center"> <table> <tr> <td> <b>(c) </b> </td> </tr> </table> </td> </tr> <tr class="fig-image" id="d"> <td> <img alt="128214.fig.001d" src="../../128214.fig.001d.jpg"/> </td> </tr> <tr class="fig-caption"> <td align="center"> <table> <tr> <td> <b>(d) </b> </td> </tr> </table> </td> </tr> <tr class="fig-image" id="e"> <td> <img alt="128214.fig.001e" src="../../128214.fig.001e.jpg"/> </td> </tr> <tr class="fig-caption"> <td align="center"> <table> <tr> <td> <b>(e) </b> </td> </tr> </table> </td> </tr> <tr class="fig-image" id="f"> <td> <img alt="128214.fig.001f" src="../../128214.fig.001f.jpg"/> </td> </tr> <tr class="fig-caption"> <td align="center"> <table> <tr> <td> <b>(f) </b> </td> </tr> </table> </td> </tr> <tr class="fig-image" id="g"> <td> <img alt="128214.fig.001g" src="../../128214.fig.001g.jpg"/> </td> </tr> <tr class="fig-caption"> <td align="center"> <table> <tr> <td> <b>(g) </b> </td> </tr> </table> </td> </tr> <tr class="fig-image" id="h"> <td> <img alt="128214.fig.001h" src="../../128214.fig.001h.jpg"/> </td> </tr> <tr class="fig-caption"> <td align="center"> <table> <tr> <td> <b>(h) </b> </td> </tr> </table> </td> </tr> <tr class="fig-image" id="i"> <td> <img alt="128214.fig.001i" src="../../128214.fig.001i.jpg"/> </td> </tr> <tr class="fig-caption"> <td align="center"> <table> <tr> <td> <b>(i) </b> </td> </tr> </table> </td> </tr> <tr class="fig-group-caption"> <td> <table> <tr> <td> <b>Figure 4: </b>(a) Geopotential height (meter) map at 850 hPa, (b) vertical pressure velocity (<svg style="vertical-align:-0.16379pt" id="M1" height="16.049999" version="1.1" viewBox="0 0 47.775002 16.049999" width="47.775002" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(.017,-0,0,-.017,.062,15.775)"> <path id="x50" d="M46 650h247q112 0 169 -41q64 -49 64 -141q0 -91 -56.5 -143t-138.5 -62q-23 -3 -45 -1l-74 19v-157q0 -63 15.5 -77t83.5 -19v-28h-271v28q60 5 74 20t14 77v400q0 65 -12.5 79t-69.5 18v28zM212 559v-245q31 -12 73 -12q59 0 102 38t43 124q0 77 -42.5 115.5 t-108.5 38.5q-44 0 -56 -12q-11 -8 -11 -47z"/> </g> <g transform="matrix(.017,-0,0,-.017,9.259,15.775)"> <path id="x61" d="M433 39l-85 -51q-27 0 -47 20q-16 16 -24 44q-5 -3 -24 -16.5t-27 -18.5t-23 -13.5t-25 -12t-19 -3.5q-52 0 -86 36.5t-34 85.5q0 71 81 99q128 43 155 65v17q0 54 -23 83.5t-62 29.5q-28 0 -45 -19t-29 -66q-7 -23 -29 -23q-15 0 -29 13t-14 30t31 40q25 19 68.5 40.5 t81.5 29.5q49 0 82 -27q45 -39 45 -123v-185q0 -60 35 -60q18 0 36 11zM275 84v156q-12 -6 -49 -23t-41 -19q-31 -14 -46 -31t-15 -43q0 -35 22.5 -55.5t48.5 -20.5q19 0 42 10.5t38 25.5z"/> </g> <g transform="matrix(.017,-0,0,-.017,20.495,15.775)"> <path id="x22C5" d="M170 255q0 -25 -16 -41t-40 -16t-40 16t-16 41t16 41.5t40 16.5t40 -16.5t16 -41.5z"/> </g> <g transform="matrix(.017,-0,0,-.017,28.144,15.775)"> <path id="x73" d="M319 325l-25 -7q-33 99 -103 99q-29 0 -47 -19.5t-18 -49.5t22 -49.5t62 -36.5q63 -26 95 -57t32 -79q0 -64 -50 -101t-115 -37q-35 0 -67.5 10.5t-46.5 23.5q-5 11 -11 51t-6 67l27 5q14 -53 46.5 -88.5t75.5 -35.5q29 0 50 19.5t21 50.5t-19.5 51.5t-59.5 39.5 q-28 12 -46 22.5t-38.5 27t-30.5 38.5t-10 49q0 54 42.5 92t109.5 38q48 0 88 -18q6 -15 13 -50.5t9 -55.5z"/> </g> <g transform="matrix(.012,-0,0,-.012,34.387,7.613)"> <path id="x2212" d="M535 230h-483v50h483v-50z"/> </g> <g transform="matrix(.012,-0,0,-.012,41.372,7.613)"> <path id="x31" d="M384 0h-275v27q67 5 81.5 18.5t14.5 68.5v385q0 38 -7.5 47.5t-40.5 10.5l-48 2v24q85 15 178 52v-521q0 -55 14.5 -68.5t82.5 -18.5v-27z"/> </g> </svg>) at the tropopause, (c) relative humidity (%) at 300 hPa pressure level, (d) potential vorticity at the tropopause, (e) 5-day back trajectories at 1000 hPa (pink), 925 hPa (red), and 850 hPa (green) pressure levels, (f) tropospheric CO (<svg style="vertical-align:-0.1638pt" id="M2" height="16.049999" version="1.1" viewBox="0 0 29.762501 16.049999" width="29.762501" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(.017,-0,0,-.017,.062,15.775)"> <path id="x31" d="M384 0h-275v27q67 5 81.5 18.5t14.5 68.5v385q0 38 -7.5 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