{"id":304,"date":"2014-01-01T22:08:00","date_gmt":"2014-01-01T22:08:00","guid":{"rendered":"https:\/\/ejssm.org\/archives\/?p=304"},"modified":"2022-05-15T03:37:24","modified_gmt":"2022-05-15T03:37:24","slug":"vol-9-1-2014","status":"publish","type":"post","link":"https:\/\/ejssm.org\/archives\/2014\/vol-9-1-2014\/","title":{"rendered":"Vol 9-1 2014"},"content":{"rendered":"<h4>Topographic Sensitivity of the Snake River Plain Convergence Zone of Eastern Idaho. Part II: Numerical Simulations<\/h4>\n<p><em>Thomas A. Andretta<\/em><\/p>\n<h4>Abstract<\/h4>\n<p>The Snake River Plain Convergence Zone (SPCZ) is a mesoscale topographic weather system in the planetary boundary layer that occasionally forms in a post-cold-frontal environment during the cold season in eastern Idaho.\u00a0 Part I of this study investigated persistent and locally heavy topographic snowfall associated with such a zone on 26 November 2005.\u00a0 Multiple snowbands formed in the presence of conditional, convective, and inertial instabilities.\u00a0 In Part II, nested grid high-resolution numerical simulations of the WRF-ARW model are used to investigate the structure and evolution of the SPCZ with two different terrain grid scales.\u00a0 In a smoothed topography with a coarsely resolved tributary valley system upstream of the broad parabolic-shaped Snake Plain, the model does not simulate a lee convergence band and vorticity dipole.\u00a0 These features are evident in the observations and control simulation.\u00a0 The smoothed run also misses snowfall associated with windward convergence and stable upslope flow in the Pocatello-Inkom area.\u00a0 Nevertheless, both model runs depict topographically-generated convective storms and potential vorticity anomalies in the plain.<\/p>\n<p>Full Text: <a href=\"https:\/\/ejssm.org\/archives\/wp-content\/uploads\/2021\/09\/vol9-1.pdf\">PDF<\/a><\/p>\n<p>Citation:<br \/>\nAndretta, T. A., 2014:\u00a0Topographic sensitivity of the Snake River Plain Convergence Zone of eastern Idaho. Part II: Numerical simulations.\u00a0<i>Electronic J. Severe Storms Meteor.<\/i>,\u00a0<b>9<\/b>\u00a0(1), 1-33.<\/p>\n<p>Keywords:<br \/>\nmesoscale processes, mountain meteorology, orographic effects, snowfall, numerical simulations, complex terrain<\/p>\n","protected":false},"excerpt":{"rendered":"<h5>Topographic Sensitivity of the Snake River Plain Convergence Zone of Eastern Idaho. Part II: Numerical Simulations<\/h5>\n<p><i>Thomas A Andretta<\/i><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[2],"tags":[82,18,81,29,45,58],"class_list":{"0":"post-304","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-article","7":"tag-complex-terrain","8":"tag-mesoscale-processes","9":"tag-mountain-meteorology","10":"tag-numerical-simulations","11":"tag-orographic-effects","12":"tag-snowfall","13":"entry"},"featured_image_src":null,"featured_image_src_square":null,"author_info":{"display_name":"Elke","author_link":"https:\/\/ejssm.org\/archives\/author\/elke\/"},"_links":{"self":[{"href":"https:\/\/ejssm.org\/archives\/wp-json\/wp\/v2\/posts\/304","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ejssm.org\/archives\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ejssm.org\/archives\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ejssm.org\/archives\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ejssm.org\/archives\/wp-json\/wp\/v2\/comments?post=304"}],"version-history":[{"count":8,"href":"https:\/\/ejssm.org\/archives\/wp-json\/wp\/v2\/posts\/304\/revisions"}],"predecessor-version":[{"id":905,"href":"https:\/\/ejssm.org\/archives\/wp-json\/wp\/v2\/posts\/304\/revisions\/905"}],"wp:attachment":[{"href":"https:\/\/ejssm.org\/archives\/wp-json\/wp\/v2\/media?parent=304"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ejssm.org\/archives\/wp-json\/wp\/v2\/categories?post=304"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ejssm.org\/archives\/wp-json\/wp\/v2\/tags?post=304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}