{"id":1788912,"date":"2020-06-18T10:18:38","date_gmt":"2020-06-18T14:18:38","guid":{"rendered":"https:\/\/www.maproomblog.com\/?p=1788912"},"modified":"2020-06-18T10:18:38","modified_gmt":"2020-06-18T14:18:38","slug":"the-impact-of-noaas-height-modernization-program","status":"publish","type":"post","link":"https:\/\/www.maproomblog.com\/2020\/06\/the-impact-of-noaas-height-modernization-program\/","title":{"rendered":"The Impact of NOAA&#8217;s Height Modernization Program"},"content":{"rendered":"<figure id=\"attachment_1788913\" aria-describedby=\"caption-attachment-1788913\" style=\"width: 840px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.nytimes.com\/2020\/05\/22\/science\/maps-elevation-geodetic-survey.html\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"1788913\" data-permalink=\"https:\/\/www.maproomblog.com\/2020\/06\/the-impact-of-noaas-height-modernization-program\/nytimes-height-modernization\/\" data-orig-file=\"https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2020\/06\/nytimes-height-modernization.jpg\" data-orig-size=\"1200,855\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"nytimes-height-modernization\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;The New York Times (Jonathan Corum), based on NOAA and NGS data&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2020\/06\/nytimes-height-modernization-300x214.jpg\" data-large-file=\"https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2020\/06\/nytimes-height-modernization-1024x730.jpg\" class=\"size-large wp-image-1788913\" src=\"https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2020\/06\/nytimes-height-modernization-1024x730.jpg\" alt=\"\" width=\"840\" height=\"599\" srcset=\"https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2020\/06\/nytimes-height-modernization-1024x730.jpg 1024w, https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2020\/06\/nytimes-height-modernization-300x214.jpg 300w, https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2020\/06\/nytimes-height-modernization-150x107.jpg 150w, https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2020\/06\/nytimes-height-modernization.jpg 1200w\" sizes=\"auto, (max-width: 840px) 100vw, 840px\" \/><\/a><figcaption id=\"caption-attachment-1788913\" class=\"wp-caption-text\">The New York Times (Jonathan Corum), based on NOAA and NGS data<\/figcaption><\/figure>\n<p>Last month <a href=\"https:\/\/www.nytimes.com\/2020\/05\/22\/science\/maps-elevation-geodetic-survey.html\">the <em>New York Times<\/em> covered a subject<\/a> that you\u2019d expect to be too technical for the general reader: NOAA\u2019s efforts to recalibrate elevation data as part of its update to the <a href=\"https:\/\/oceanservice.noaa.gov\/facts\/nsrs.html\">National Spatial Reference System<\/a>, expected in 2022 or 2023. The <a href=\"https:\/\/oceanservice.noaa.gov\/geodesy\/heightmod\/\">height modernization program<\/a> corrects local elevation data\u2014which was last updated in 1988\u2014by using GPS and gravity mapping. The <em>Times<\/em> article looks at the real-world implications of this effort, which will have the greatest impact the further west and north you go (see map above), from bragging rights about mountain elevation to whether your community is in a floodplain. [<a href=\"https:\/\/www.facebook.com\/groups\/MAPSL\/?post_id=3551768494837926\">MAPS-L<\/a>]<\/p>\n<p>Previously: <a href=\"https:\/\/www.maproomblog.com\/2017\/10\/natrf2022-datum-coming-to-north-america-in-2022\/\">NATRF2022 Datum Coming to North America in 2022<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Last month the New York Times covered a subject that you\u2019d expect to be too technical for the general reader: NOAA\u2019s efforts to recalibrate elevation data as part of its update to the National Spatial&hellip; <a href=\"https:\/\/www.maproomblog.com\/2020\/06\/the-impact-of-noaas-height-modernization-program\/\">More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"link","meta":{"autoblue_enabled":true,"autoblue_custom_message":"","autoblue_shares":[],"autoblue_post_url":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[442],"tags":[593,231,926,159,158],"class_list":["post-1788912","post","type-post","status-publish","format-link","hentry","category-surveying","tag-datum","tag-geodesy","tag-natrf2022","tag-noaa","tag-usa","post_format-post-format-link"],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":1844800,"url":"https:\/\/www.maproomblog.com\/2025\/07\/noaa-will-continue-to-receive-vital-satellite-data-after-all\/","url_meta":{"origin":1788912,"position":0},"title":"NOAA Will Continue to Receive Vital Satellite Data After All","author":"Jonathan Crowe","date":"31 July 2025","format":"link","excerpt":"NOAA\u2019s hurricane forecasts will continue to be able to use data from the Defense Meteorological Satellite Program (DMSP). Michael Lowry reports that in a last-minute reversal, the U.S. Department of Defense will continue to allow NOAA to have access to that data for the remainder of the satellites\u2019 lifespan (about\u2026","rel":"","context":"In &quot;Weather and Climate&quot;","block_context":{"text":"Weather and Climate","link":"https:\/\/www.maproomblog.com\/category\/weather-and-climate\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1790963,"url":"https:\/\/www.maproomblog.com\/2021\/05\/mapping-noaas-new-climate-normals\/","url_meta":{"origin":1788912,"position":1},"title":"Mapping NOAA\u2019s New Climate Normals","author":"Jonathan Crowe","date":"13 May 2021","format":"link","excerpt":"This month NOAA updated the official U.S climate normals. You know how in a weather forecast a meteorologist talks about normal temperatures or normal amounts of rain? The climate normals define what normal is: they take into account weather over the past 30 years, and are updated every 10 years.\u2026","rel":"","context":"In &quot;Weather and Climate&quot;","block_context":{"text":"Weather and Climate","link":"https:\/\/www.maproomblog.com\/category\/weather-and-climate\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2021\/05\/noaa-climate-normals-diff-1024x377.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2021\/05\/noaa-climate-normals-diff-1024x377.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2021\/05\/noaa-climate-normals-diff-1024x377.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2021\/05\/noaa-climate-normals-diff-1024x377.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":1843342,"url":"https:\/\/www.maproomblog.com\/2025\/06\/defense-department-cuts-off-noaa-nasa-from-key-satellite-data-used-in-hurricane-forecasting\/","url_meta":{"origin":1788912,"position":2},"title":"Defense Department Cuts Off NOAA, NASA from Key Satellite Data Used in Hurricane Forecasting","author":"Jonathan Crowe","date":"30 June 2025","format":"link","excerpt":"Citing cybersecurity concerns, the U.S. Department of Defense is cutting off NOAA and NASA access to data from the Defense Meteorological Satellite Program (DMSP), throwing a wrench into the NOAA\u2019s ability to forecast hurricanes, CNN reports. Of particular concern is the loss of access to the Special Sensor Microwave Imager\u2026","rel":"","context":"In &quot;Weather and Climate&quot;","block_context":{"text":"Weather and Climate","link":"https:\/\/www.maproomblog.com\/category\/weather-and-climate\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1814423,"url":"https:\/\/www.maproomblog.com\/2023\/05\/noaas-aurora-forecasts\/","url_meta":{"origin":1788912,"position":3},"title":"NOAA&#8217;s Aurora Forecasts","author":"Jonathan Crowe","date":"12 May 2023","format":"link","excerpt":"It turns out that auroras are a thing you can generate weather maps for. NOAA\u2019s Space Weather Prediction Center has this experimental Aurora Dashboard that predicts the visibility of the aurora borealis and australis for the next two nights. (And space weather is in fact something that NOAA tracks: the\u2026","rel":"","context":"In &quot;Weather and Climate&quot;","block_context":{"text":"Weather and Climate","link":"https:\/\/www.maproomblog.com\/category\/weather-and-climate\/"},"img":{"alt_text":"NOAA aurora forecast map","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2023\/05\/noaa-aurora-forecast-267x300.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":1830996,"url":"https:\/\/www.maproomblog.com\/2024\/05\/g5-scale-geomagnetic-storm-in-progress\/","url_meta":{"origin":1788912,"position":4},"title":"G5-Scale Geomagnetic Storm in Progress","author":"Jonathan Crowe","date":"10 May 2024","format":"link","excerpt":"NOAA The Earth is being hit by a solar storm at the moment; NOAA\u2019s Space Weather Prediction Center (SWPC) has observed severe (G5) geomagnetic storm conditions for the first time since 2003. Among other impacts, this may disrupt GPS and other navigation systems. On the other hand this also means\u2026","rel":"","context":"In &quot;GPS&quot;","block_context":{"text":"GPS","link":"https:\/\/www.maproomblog.com\/category\/gps\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2024\/05\/aurora-forecast-2024-05-11.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2024\/05\/aurora-forecast-2024-05-11.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2024\/05\/aurora-forecast-2024-05-11.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2024\/05\/aurora-forecast-2024-05-11.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":3614,"url":"https:\/\/www.maproomblog.com\/2016\/12\/noaas-white-christmas\/","url_meta":{"origin":1788912,"position":5},"title":"NOAA&#8217;s White Christmas","author":"Jonathan Crowe","date":"13 December 2016","format":"link","excerpt":"NOAA\u00a0maps the probability of a white Christmas across the lower 48 states: the interactive version includes clickable locations. While the map shows the historical probability that a snow depth of at least one inch will be observed on December 25, the actual conditions in any year may vary widely from\u2026","rel":"","context":"In &quot;Weather and Climate&quot;","block_context":{"text":"Weather and Climate","link":"https:\/\/www.maproomblog.com\/category\/weather-and-climate\/"},"img":{"alt_text":"noaa-xmas","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/12\/noaa-xmas-1024x771.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/12\/noaa-xmas-1024x771.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/12\/noaa-xmas-1024x771.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/12\/noaa-xmas-1024x771.jpg?resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1788912","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/comments?post=1788912"}],"version-history":[{"count":3,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1788912\/revisions"}],"predecessor-version":[{"id":1788916,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1788912\/revisions\/1788916"}],"wp:attachment":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/media?parent=1788912"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/categories?post=1788912"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/tags?post=1788912"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}