{"id":122041,"date":"2011-06-28T20:07:00","date_gmt":"2011-06-28T20:07:00","guid":{"rendered":"http:\/\/www.esri.com\/arcgis-blog\/products\/product\/uncategorized\/geohms-and-georas-where-to-find-the-latest\/"},"modified":"2018-07-19T13:27:06","modified_gmt":"2018-07-19T20:27:06","slug":"geohms-and-georas-where-to-find-the-latest","status":"publish","type":"blog","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/water\/geohms-and-georas-where-to-find-the-latest","title":{"rendered":"GeoHMS and GeoRAS &#8211; Where to find the latest?"},"author":4911,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_searchwp_excluded":""},"categories":[23051],"tags":[37731,24981],"industry":[],"product":[],"class_list":["post-122041","blog","type-blog","status-publish","format-standard","hentry","category-water","tag-arc-hydro","tag-hydro"],"acf":{"short_description":"The Geospatial Hydrologic Modeling System (GeoHMS) and River Analysis System (GeoRAS) are geospatial toolkits developed by Esri and the H...","flexible_content":[{"acf_fc_layout":"content","content":"<p>The <b>Geospatial<\/b> Hydrologic Modeling System (<b>Geo<\/b>HMS) and River Analysis System (<b>Geo<\/b>RAS) are <b>geospatial <\/b>toolkits developed by Esri and the <a title=\"Hydrologic Engineering Center\" href=\"http:\/\/www.hec.usace.army.mil\/\" target=\"_blank\" rel=\"noopener\">Hydrologic Engineering Center<\/a> (<b>HEC<\/b>), an organization within the <a title=\"US Army Corps of Engineers\" href=\"http:\/\/www.usace.army.mil\/about\/Pages\/Mission.aspx\" target=\"_blank\" rel=\"noopener\">US Army Corps of Engineers<\/a>, to aid engineers and hydrologists with limited GIS experience.<\/p>\n<p>The toolkits work in <b>ArcGIS<\/b> to generate inputs for the <a title=\"HEC - HMS\" href=\"http:\/\/www.hec.usace.army.mil\/software\/hec-hms\/\" target=\"_blank\" rel=\"noopener\">Hydrologic Engineering Center&#8217;s Hydrologic Modeling System<\/a> (<b>HEC-HMS<\/b>) and <a title=\"HEC - RAS\" href=\"http:\/\/www.hec.usace.army.mil\/software\/hec-ras\/\" target=\"_blank\" rel=\"noopener\">River Analysis System<\/a> (<b>HEC-RAS<\/b>).\u00a0 The GeoHMS and GeoRAS downloads provide a set of procedures, tools, and utilities necessary to prepare, process, and visualize your geospatial data for input into HEC-HMS and HEC-RAS.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/downloads.esri.com\/blogs\/hydro\/GeoHMS_GeoRAS\/HMS1.png\" alt=\"HEC - HMS Basin Model\" width=\"460\" height=\"511\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>In addition, <b>GeoRAS<\/b> can process HEC-RAS outputs, perform one-dimensional steady and unsteady flow river hydraulics calculations, sediment transport \u2013 mobile bed modeling, and water temperature analysis.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/downloads.esri.com\/blogs\/hydro\/GeoHMS_GeoRAS\/RAS1.png\" alt=\"HEC - RAS Cross Section\" width=\"759\" height=\"517\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/downloads.esri.com\/blogs\/hydro\/GeoHMS_GeoRAS\/RAS2.png\" alt=\"HEC - RAS Lateral\" width=\"670\" height=\"585\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>The latest versions of GeoHMS and GeoRAS are compatible with <b>ArcGIS 9.3<\/b>, and can be found on the US Army Corps\u2019s <a title=\"HEC - GeoHMS\" href=\"http:\/\/www.hec.usace.army.mil\/software\/hec-geohms\/\" target=\"_blank\" rel=\"noopener\">HEC-GeoHMS site<\/a> and <a title=\"HEC - GeoRAS\" href=\"http:\/\/www.hec.usace.army.mil\/software\/hec-ras\/hec-georas.html\" target=\"_blank\" rel=\"noopener\">HEC-GeoRAS site<\/a>.<\/p>\n<p>HEC is <b>currently working to update<\/b> GeoHMS and GeoRAS for <b>ArcGIS 10<\/b>, and they released a statement on <a title=\"HEC - GeoHMS Downloads\" href=\"http:\/\/www.hec.usace.army.mil\/software\/hec-geohms\/download.html\" target=\"_blank\" rel=\"noopener\">their download site<\/a> announcing the tools availability in \u201c<b>Summer 2011<\/b>.\u201d\u00a0 It is now officially Summer 2011, which means the tools may become available at any time.\u00a0 So, check back to the <b>Hydro Blog<\/b> and the <a title=\"HEC - GeoHMS Downloads\" href=\"http:\/\/www.hec.usace.army.mil\/software\/hec-geohms\/download.html\" target=\"_blank\" rel=\"noopener\">HEC download site<\/a> often for the announcement of <b>GeoHMS and GeoRAS for ArcGIS 10<\/b>!<\/p>\n<p>For more information about the HEC software products, check out the <a title=\"Hydrologic Engineering Center\" href=\"http:\/\/www.hec.usace.army.mil\/\" target=\"_blank\" rel=\"noopener\">Hydrologic Engineering Center Home Page<\/a> or read the <a title=\"HEC Newsletter\" href=\"http:\/\/www.hec.usace.army.mil\/newsletters\/\" target=\"_blank\" rel=\"noopener\">HEC Newsletter<\/a>.<\/p>\n<p><i><b>Special thanks to Caitlin Scopel for providing this post. Questions for Caitlin: CScopel@esri.com.<\/b><\/i><\/p>\n"}],"authors":[{"ID":4911,"user_firstname":"Caitlin","user_lastname":"Scopel","nickname":"Caitlin Scopel","user_nicename":"coscopel","display_name":"Caitlin Scopel","user_email":"CScopel@esri.com","user_url":"","user_registered":"2018-03-02 00:16:31","user_description":"Senior Project Manager for the ArcGIS Living Atlas of the World Environment Team. Caitlin works on projects that utilize environmental data from local, state, national and global institutions.","user_avatar":"<img data-del=\"avatar\" src='https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/04\/G68235_CaitlinScopel_22-150x150.jpg' class='avatar pp-user-avatar avatar-96 photo ' height='96' width='96'\/>"}],"related_articles":"","card_image":false,"wide_image":false},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.9 (Yoast SEO v25.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>GeoHMS and GeoRAS - Where to find the latest?<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/water\/geohms-and-georas-where-to-find-the-latest\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"GeoHMS and GeoRAS - Where to find the latest?\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/water\/geohms-and-georas-where-to-find-the-latest\" \/>\n<meta property=\"og:site_name\" content=\"ArcGIS Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/esrigis\/\" \/>\n<meta property=\"article:modified_time\" content=\"2018-07-19T20:27:06+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@ESRI\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":[\"Article\",\"BlogPosting\"],\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/water\/geohms-and-georas-where-to-find-the-latest#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/water\/geohms-and-georas-where-to-find-the-latest\"},\"author\":{\"name\":\"Caitlin Scopel\",\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#\/schema\/person\/df83e200f29054bdeb52d458b15ba2c0\"},\"headline\":\"GeoHMS and GeoRAS &#8211; 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