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\u9678\u83ef\u767d1<\/sup>\u3000\u4f55\u53f0\u83ef2<\/sup>\u3000\u6731\u660c\u654f3<\/sup><\/p>\n\n\n\n

1<\/sup>\u7a7a\u8ecd\u6c23\u8c61\u806f\u968a\u3000\u30002<\/sup>\u9f8d\u83ef\u79d1\u6280\u5927\u5b78\u3000\u30003<\/sup>\u5357\u69ae\u6280\u8853\u5b78\u9662<\/p>\n\n\n\n

\u6458\u8981<\/p>\n\n\n\n

\u3000\u30002003 \u5e74 6 \u6708 7 \u65e5\u4f34\u96a8\u6885\u96e8\u92d2\u9762\u7684\u79fb\u52d5\u5728\u53f0\u7063\u5357\u90e8\u6d77\u57df\u5f15\u767c\u986f\u8457\u7684\u4e2d\u5c3a\u5ea6\u964d\u6c34\u73fe\u8c61\u3002\u81ea 0000 UTC \u958b\u59cb\uff0c\u58be\u4e01\u96f7\u9054\u9996\u5148\u89c0\u6e2c\u5230\u6578\u500b\u96f6\u661f\u7684\u5c0d\u6d41\u80de\u767c\u5c55\u4e14\u9010\u6f38\u5f62\u6210\u7dda\u72c0\u7cfb\u7d71\u3002\u5728\u7dda\u72c0\u7cfb\u7d71\u5f62\u6210\u5f8c\uff0c\u56de\u6ce2\u9010\u6f38\u5448\u73fe\u5f4e\u66f2\u7684\u578b\u614b\u3002\u96a8\u8457\u6642\u9593\u7684\u767c\u5c55\uff0c\u8a72\u56de\u6ce2\u66f4\u9032\u4e00\u6b65\u5f62\u6210\u6ce2\u578b\u7dda\u72c0\u56de\u6ce2 (Line Echo Wave Pattern, LEWP)\u3002\u5728\u6574\u500b\u964d\u6c34\u904e\u7a0b\u4e2d\uff0c\u5171\u89c0\u6e2c\u5230\u4e09\u500b\u6ce2\u578b\u56de\u6ce2\u3002\u6574\u500b\u964d\u6c34\u7cfb\u7d71\u6301\u7e8c\u8d85\u904e\u516d\u5c0f\u6642\u4ee5\u4e0a\u4e14\u751f\u547d\u671f\u6ce2\u578b\u56de\u6ce2\u6700\u9577\u7684\u9054\u56db\u5c0f\u6642\u3002
\u3000\u3000\u89c0\u6e2c\u8cc7\u6599\u767c\u73fe\u4e09\u500b\u6ce2\u578b\u56de\u6ce2\u985e\u4f3c\u7f8e\u570b\u5730\u5340\u5e38\u767c\u751f\u7684\u5f13\u72c0\u56de\u6ce2\uff0c\u4f7f\u7528 WRF (Weather Research and Forecasting)\u6a21\u5f0f\u9032\u884c\u5c0d\u5c3a\u5ea6 20~100 km \u7684\u4e09\u500b\u6ce2\u578b\u56de\u6ce2\u9032\u884c\u6a21\u64ec\u7814\u7a76\uff0c\u6a21\u64ec\u7d50\u679c\u7684\u986f\u793a\u51fa\u8207\u5f13\u72c0\u56de\u6ce2\u6709\u4e0d\u540c\u7279\u5fb5\uff1a(1)\u6263\u9664\u7cfb\u7d71\u79fb\u901f\u5f8c\uff0c\u65bc 2 km \u5b9a\u9ad8\u9762\u4e0a\u6ce2\u578b\u56de\u6ce2\u7684\u5317\u5074\u6709\u9006\u6642\u91dd\u6e26\u65cb\u51fa\u73fe\uff0c\u4f46\u5357\u5074\u537b\u7121\u9806\u6642\u91dd\u6e26\u65cb\u3002(2) 0-4 km \u4e4b\u6c34\u5e73\u98a8\u901f\u5dee\u5e73\u5747\u70ba11 ms-1<\/sup>\uff0c\u4e5f\u8f03\u4e2d\u7def\u5ea6\u4f34\u96a8\u5f13\u72c0\u56de\u6ce2\u4e4b\u4e0a\u4e0b\u5c64\u98a8\u901f\u5dee\u5c0f\u3002(3)\u5728\u9019\u4e9b\u6ce2\u578b\u56de\u6ce2\u7684\u5782\u76f4\u7d50\u69cb\u4e0a\uff0c\u7cfb\u7d71\u5f8c\u65b9\u9ad8\u7a7a\u6709\u51fa\u73fe\u76f8\u5c0d\u8f03\u4e7e\u51b7\u7684\u7a7a\u6c23\u3002\u8a72\u6c23\u6d41\u5f9e 3-5 km \u9ad8\u5ea6\u5411\u7cfb\u7d71\u524d\u65b9\u79fb\u52d5\u4e26\u901a\u904e\u964d\u6c34\u5340\u4e0b\u6c88\u63a5\u8fd1\u5730\u9762\u3002\u7136\u800c\uff0c\u537b\u6c92\u6709\u51fa\u73fe\u7531\u524d\u5f80\u5f8c\u7684\u6c23\u6d41(Front to Rear Flow)\u3002\u6ce2\u578b\u56de\u6ce2\u5317\u5074\u4e4b\u6e26\u65cb\u5f37\u5ea6\u5927\u7d04\u70ba 10-3<\/sup> s-1<\/sup>\uff0c\u8f03\u4e2d\u7def\u5ea6\u5730\u5340\u4f34\u96a8\u5f13\u72c0\u56de\u6ce2\u7684\u6e26\u5ea6\u5c0f\u3002(4)\u6574\u9ad4\u800c\u8a00\uff0c\u500b\u6848\u6a21\u64ec\u7684\u7279\u5fb5\u8207\u4e2d\u7def\u5ea6\u5730\u5340\u5178\u578b\u7684\u5f13\u72c0\u56de\u6ce2(Bow Echo)\u6216\u98ae\u7dda\u7d50\u69cb\u4e0d\u540c\u3002<\/p>\n\n\n\n

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