{"id":451,"date":"2026-08-31T11:57:48","date_gmt":"2026-08-31T02:57:48","guid":{"rendered":"https:\/\/met-ohara.com\/?p=451"},"modified":"2026-08-31T12:00:58","modified_gmt":"2026-08-31T03:00:58","slug":"cad%e3%81%ae%e4%ba%88%e6%b8%ac%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b%e5%9c%b0%e5%bd%a2%e3%81%a8pbl%e3%82%b9%e3%82%ad%e3%83%bc%e3%83%a0%e3%81%ae%e5%bd%b1%e9%9f%bf%e3%82%92%e6%af%94%e8%bc%83%e3%81%97","status":"publish","type":"post","link":"https:\/\/met-ohara.com\/?p=451","title":{"rendered":"CAD\u306e\u4e88\u6e2c\u306b\u304a\u3051\u308b\u5730\u5f62\u3068PBL\u30b9\u30ad\u30fc\u30e0\u306e\u5f71\u97ff\u3092\u6bd4\u8f03\u3057\u305f\u8ad6\u6587\u304cSOLA\u8a8c\u306b\u63b2\u8f09\u3055\u308c\u307e\u3057\u305f"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Ohara, R., and T. Yamazaki, 2026: Relative importance of orography and planetary boundary layer schemes in forecasting cold-air damming in the Kanto region. <em>SOLA<\/em>, <strong>22<\/strong>, article number 38. <a href=\"https:\/\/doi.org\/10.1007\/s44393-026-00039-7\">https:\/\/doi.org\/10.1007\/s44393-026-00039-7<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ohara and Yamazaki (2025)<sup>[1]<\/sup> \u3067\u306f, \u6c17\u8c61\u5e81\u306eMSM\u306b\u304a\u3051\u308bCAD\u306e\u4e88\u6e2c\u7cbe\u5ea6\u306e\u8ab2\u984c\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3057\u305f. \u5f7c\u3089\u306e\u7814\u7a76\u3067\u306f, CAD\u306e\u4e0b\u5c64\u5bd2\u6c17\u306e\u904e\u5c0f\u8a55\u4fa1\u306b\u3088\u308b\u9ad8\u6e29\u30d0\u30a4\u30a2\u30b9\u304c\u6307\u6458\u3055\u308c\u3066\u3044\u307e\u3059. \u672c\u7814\u7a76\u3067\u306f, 2007~2019\u5e74\u306e\u671f\u9593\u306b\u304a\u3044\u3066, \u6c17\u8c61\u5e81\u306e\u30e1\u30bd\u30b9\u30b1\u30fc\u30eb\u30e2\u30c7\u30eb(MSM)\u306b\u3088\u308b\u4e88\u6e2c\u7cbe\u5ea6\u304c\u7279\u306b\u60aa\u304b\u3063\u305fCAD30\u4e8b\u4f8b\u3092\u62bd\u51fa\u3057, \u305d\u308c\u3089\u306e\u4e8b\u4f8b\u3092\u5bfe\u8c61\u3068\u3057\u305f\u6570\u5024\u611f\u5ea6\u5b9f\u9a13\u3092\u5b9f\u65bd\u3057\u307e\u3057\u305f. \u4e3b\u306a\u6570\u5024\u5b9f\u9a13\u306f2\u901a\u308a\u306e\u5730\u5f62(IO v.s. MO)\u30682\u901a\u308a\u306e\u5883\u754c\u5c64\u30b9\u30ad\u30fc\u30e0(MYNN3 v.s. DD)\u3092\u7d44\u307f\u5408\u308f\u305b\u305f4\u901a\u308a(IO_DD, IO_MYNN3, MO_DD, MO_MYNN3)\u3068\u3057, 30\u4e8b\u4f8b\u306b\u3064\u3044\u30661km\u89e3\u50cf\u5ea6\u3067\u3053\u308c\u3089\u306e\u6570\u5024\u5b9f\u9a13\u3092\u884c\u3044\u307e\u3057\u305f. \u5730\u5f62\u306b\u3064\u3044\u3066\u306f, GTOPO30\u30921km\u306e\u30e2\u30c7\u30eb\u683c\u5b50\u306b\u5185\u633f\u3057\u305fIO\u5730\u5f62\u3068, 5km\u683c\u5b50\u306b\u53cc\u7dda\u5f62\u5185\u633f\u3057\u3066\u304b\u30891km\u306e\u8a08\u7b97\u683c\u5b50\u306b\u5185\u633f\u3057\u305f\u5730\u5f62MO\u3092\u4f7f\u7528\u3057, \u89e3\u50cf\u5ea6\u306b\u3088\u308b\u5730\u5f62\u8868\u73fe\u306e\u9055\u3044\u304c\u4e0e\u3048\u308b\u5f71\u97ff\u3092\u8abf\u67fb\u3057\u307e\u3057\u305f. \u5883\u754c\u5c64\u30b9\u30ad\u30fc\u30e0\u306b\u3064\u3044\u3066\u306f, MSM\u306a\u3069\u3067\u3082\u4f7f\u7528\u3055\u308c\u3066\u3044\u308bMellor-Yamada-Nakanishi-Niino level-3 (MYNN3)\u304a\u3088\u3073, \u9ad8\u89e3\u50cf\u5ea6\u306eLES\u306a\u3069\u3067\u7528\u3044\u3089\u308c\u308bDeardorff\u30b9\u30ad\u30fc\u30e0(DD)\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5730\u5f62\u306e\u6709\u52b9\u89e3\u50cf\u5ea6\u304c\u9ad8\u3044IO\u5b9f\u9a13\u306fMO\u5b9f\u9a13\u306b\u6bd4\u3079\u3066\u4e0b\u5c64\u5bd2\u6c17\u304c\u5f37\u3044\u50be\u5411\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f. \u3053\u308c\u306f, \u6cbf\u5cb8\u524d\u7dda\u306e\u7814\u7a76\u306b\u304a\u3044\u3066, \u89e3\u50cf\u5ea6\u4e0d\u8db3\u306b\u3088\u308b\u5730\u5f62\u306e\u5e73\u6ed1\u5316\u304c\u4e0b\u5c64\u5bd2\u6c17\u306e\u305b\u304d\u6b62\u3081\u306e\u904e\u5c0f\u8a55\u4fa1\u8981\u56e0\u3067\u3042\u308b\u3053\u3068\u3092\u6307\u6458\u3057\u305fSuzuki et al. (2021)<sup>[2]<\/sup>\u3068\u6574\u5408\u3059\u308b\u7d50\u679c\u3067\u3059. \u672c\u7814\u7a76\u3067\u306f, \u5883\u754c\u5c64\u30b9\u30ad\u30fc\u30e0\u306e\u9055\u3044\u304c\u4e0b\u5c64\u5bd2\u6c17\u306e\u4e88\u6e2c\u306b\u4e0e\u3048\u308b\u5f71\u97ff\u3082\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3057\u305f. DD\u5b9f\u9a13\u306b\u6bd4\u3079, MYNN3\u5b9f\u9a13\u3067\u306f\u6696\u304b\u3044\u6d77\u4e0a\u3067\u306e\u4e0b\u5c64\u5bd2\u6c17\u306e\u62e1\u6563\u304c\u5f37\u304f, CAD\u306e\u5bd2\u6c17\u304c\u5f31\u307e\u308b\u50be\u5411\u304c\u793a\u3055\u308c\u307e\u3057\u305f. \u3055\u3089\u306b, 500m\u4ee5\u4e0b\u306e\u4e0b\u5c64\u3067\u306f, \u5883\u754c\u5c64\u30b9\u30ad\u30fc\u30e0\u306e\u9055\u3044\u306b\u3088\u308b\u30a4\u30f3\u30d1\u30af\u30c8\u306f, \u5730\u5f62\u8868\u73fe\u306e\u9055\u3044\u306b\u3088\u308b\u3082\u306e\u3068\u5339\u6575\u3059\u308b\u304b\u305d\u308c\u3092\u4e0a\u56de\u308b\u5927\u304d\u3055\u3067\u3042\u308b\u3053\u3068\u304c\u793a\u3055\u308c\u307e\u3057\u305f. \u3055\u3089\u306b, \u5730\u5f62\u8868\u73fe\u306e\u9055\u3044\u306e\u5f71\u97ff\u306f\u4e88\u5831\u958b\u59cb\u5f8c12~18\u6642\u9593\u304b\u3051\u3066\u6210\u9577\u3057\u305f\u306e\u306b\u5bfe\u3057, \u5883\u754c\u5c64\u30b9\u30ad\u30fc\u30e0\u306e\u9055\u3044\u306b\u3088\u308b\u5f71\u97ff\u306f\u958b\u59cb\u5f8c5~6\u6642\u9593\u7a0b\u5ea6\u3067\u9855\u5728\u5316\u3057\u307e\u3057\u305f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c06\u6765\u7684\u306a\u30e2\u30c7\u30eb\u306e\u9ad8\u89e3\u50cf\u5ea6\u5316\u306b\u4f34\u3044, \u5730\u5f62\u306e\u7cbe\u7dfb\u5316\u306b\u3088\u308b\u5730\u5f62\u969c\u58c1\u52b9\u679c\u306e\u518d\u73fe\u6027\u5411\u4e0a\u304c\u671f\u5f85\u3055\u308c\u308b\u4e00\u65b9\u3067, \u5883\u754c\u5c64\u30b9\u30ad\u30fc\u30e0\u306e&#8221;\u30b0\u30ec\u30fc\u30be\u30fc\u30f3&#8221;\u306b\u304a\u3044\u3066\u3069\u306e\u3088\u3046\u306a\u5883\u754c\u5c64\u30b9\u30ad\u30fc\u30e0\u3092\u7528\u3044\u308b\u304b\u306b\u3064\u3044\u3066\u3082\u6ce8\u610f\u304c\u5fc5\u8981\u3068\u8003\u3048\u3089\u308c\u307e\u3059. \u672c\u7814\u7a76\u3067\u306f\u3042\u304f\u307e\u3067\u5b9f\u9a13\u8a2d\u5b9a\u306e\u9055\u3044\u306b\u3088\u308b\u76f8\u5bfe\u7684\u306a\u6bd4\u8f03\u3092\u884c\u3063\u305f\u3082\u306e\u3067\u3042\u308a, \u4e88\u6e2c\u7cbe\u5ea6\u305d\u306e\u3082\u306e\u3078\u306e\u5f71\u97ff\u306e\u76f4\u63a5\u7684\u8a55\u4fa1\u306f, \u89b3\u6e2c\u30c7\u30fc\u30bf\u3068\u306e\u6bd4\u8f03\u691c\u8a3c\u304c\u5fc5\u8981\u3067\u3059.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">References<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">[1] Ohara R., and T. Yamazaki, 2025: Forecasting error of cold-air damming atmospheric fields in a mesoscale numerical weather prediction model, <em>SOLA<\/em>, <strong>21<\/strong>, 525-533<br><a href=\"https:\/\/doi.org\/10.2151\/sola.2025-063\">https:\/\/doi.org\/10.2151\/sola.2025-063<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">[2] Suzuki, K., T. Iwasaki, and T. Yamazaki, 2021: Analysis of systematic error in numerical weather prediction of coastal fronts in Japan\u2019s Kanto Plain. <em>J. Meteor. Soc. Japan<\/em>, <strong>99<\/strong>, 27-47.<br><a href=\"https:\/\/doi.org\/10.2151\/jmsj.2021-002\">https:\/\/doi.org\/10.2151\/jmsj.2021-002<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ohara, R., and T. Yamazaki, 2026: Relati&#8230; <a href=\"https:\/\/met-ohara.com\/?p=451\" class=\"readmore\">\u7d9a\u304d\u3092\u8aad\u3080<span class=\"screen-reader-text\">CAD\u306e\u4e88\u6e2c\u306b\u304a\u3051\u308b\u5730\u5f62\u3068PBL\u30b9\u30ad\u30fc\u30e0\u306e\u5f71\u97ff\u3092\u6bd4\u8f03\u3057\u305f\u8ad6\u6587\u304cSOLA\u8a8c\u306b\u63b2\u8f09\u3055\u308c\u307e\u3057\u305f<\/span><span class=\"fa fa-angle-double-right\" aria-hidden=\"true\"><\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-451","post","type-post","status-publish","format-standard","hentry","category-uncategorized","content-layout-excerpt-thumb"],"_links":{"self":[{"href":"https:\/\/met-ohara.com\/index.php?rest_route=\/wp\/v2\/posts\/451","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/met-ohara.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/met-ohara.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/met-ohara.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/met-ohara.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=451"}],"version-history":[{"count":2,"href":"https:\/\/met-ohara.com\/index.php?rest_route=\/wp\/v2\/posts\/451\/revisions"}],"predecessor-version":[{"id":453,"href":"https:\/\/met-ohara.com\/index.php?rest_route=\/wp\/v2\/posts\/451\/revisions\/453"}],"wp:attachment":[{"href":"https:\/\/met-ohara.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=451"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/met-ohara.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=451"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/met-ohara.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=451"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}