{"id":7844,"date":"2022-04-26T12:44:10","date_gmt":"2022-04-26T17:44:10","guid":{"rendered":"https:\/\/www.wisconsin.edu\/all-in-wisconsin-new\/?post_type=campus_story&p=7844"},"modified":"2022-04-27T12:44:18","modified_gmt":"2022-04-27T17:44:18","slug":"uw-madison-hurricane-application-gets-upgrade-in-time-for-2022-hurricane-season","status":"publish","type":"campus_story","link":"https:\/\/www.wisconsin.edu\/all-in-wisconsin\/story\/uw-madison-hurricane-application-gets-upgrade-in-time-for-2022-hurricane-season\/","title":{"rendered":"UW-Madison hurricane application gets upgrade in time for 2022 hurricane season"},"content":{"rendered":"
\"Photo
Three concurrent Atlantic hurricanes captured by geostationary weather satellite GOES-East on Sept. 8, 2017. Hurricanes Katia, Irma and Jose were among several destructive storms that year which devastated parts of the Caribbean, Gulf of Mexico and the US. The Advanced Dvorak Technique, developed by CIMSS researchers, allows forecasters to rapidly determine tropical cyclone intensity, giving advanced warnings of storm potential and aiding emergency planning. IMAGE COURTESY RICK KOHRS<\/figcaption><\/figure>\n

With the 2022 Atlantic hurricane approaching in June, forecasters at the National Oceanic and Atmospheric Administration\u2019s National Hurricane Center will have access to the most advanced storm measurement software yet to help them save lives and property with timely warnings.<\/p>\n

The well-established, satellite-based method for determining tropical cyclone intensity known as the\u00a0Advanced Dvorak Technique<\/a>\u00a0is receiving a significant upgrade within NOAA operations in time for the 2022 Atlantic hurricane season. Upgrades to the ADT include the use of full-resolution images from weather satellites, better identification of the storm eye location and the ability to analyze hurricanes occurring outside of tropical regions.<\/p>\n

Developed by researchers at the University of Wisconsin\u2013Madison\u00a0Cooperative Institute for Meteorological Satellite Studies<\/a>, the ADT has benefitted over the decades from user feedback, especially from forecasters who rely on it to deliver more rapid and accurate analysis of storm development.<\/p>\n

\u201cFor us the goal is to provide a tool so forecasters can do their jobs better,\u201d says CIMSS researcher Tim Olander. \u201cWe have always tried to support them by incorporating their recommendations and ideas for improving our algorithms.\u201d<\/p>\n

The ADT provides an indication of how a storm might strengthen \u2014 especially one approaching populated coastal areas. In addition to Atlantic hurricanes, the system works well for storms outside the Atlantic Ocean, where direct measurements can be more difficult to come by.<\/p>\n

Because landfall preparations and evacuations are costly and disruptive, accurate forecasts aided by the ADT can have huge implications for emergency planners who must decide whether to issue an order and for residents who must follow it. These forecasts are made even more accurate by combining the ADT with direct measurements of storms and satellite imagery.<\/p>\n

\u201cThe ADT itself is not a prediction tool, but it does help describe the current state of tropical cyclone intensity, which provides the critical starting point for both forecaster and model-based predictions of future track and intensity,\u201d says senior scientist Christopher Velden, who leads the\u00a0CIMSS Tropical Cyclone Group<\/a>.<\/p>\n

The original Dvorak Technique was first introduced in the early 1970s by NOAA researcher Vernon Dvorak as a method to estimate hurricane intensity by analyzing visible and infrared satellite images of a storm. It was a labor-intensive process requiring manual interpretation and comparisons of images over time to detect common patterns, such as the intensity of the convection, cohesiveness of cloud bands and the development of the hurricane\u2019s eye. These estimates could take up to 20 minutes to construct by hand and were less accurate when the hurricane lacked a well-defined eye.<\/p>\n

Since then, advances in satellite meteorology have revolutionized the field, enabling forecasters to see hurricanes as they travel across the Atlantic Ocean or other bodies of water. Weather satellites like NOAA\u2019s GOES-16 capture visible and infrared imagery of a storm every 30 seconds. The increased frequency of the images, combined with modern computing and analysis techniques, has enhanced the accuracy of the Dvorak Technique.<\/p>\n

CIMSS researchers took advantage of emerging satellite capabilities and developed the ADT in the late 1990s, building on Dvorak\u2019s earlier methods. Use of the ADT has expanded beyond the National Hurricane Center, and it is now used to analyze tropical cyclones around the world, including those form in waters around Australia, Japan, India and Hawaii.<\/p>\n

Looking ahead, the\u00a0CIMSS Tropical Cyclone Group<\/a>\u00a0will continue to improve satellite-based applications like the ADT to increase accuracy and reliability.<\/p>\n

\u201cThe use of artificial intelligence methods to analyze large datasets is exploding in the research world, and our group is no exception,\u201d says Velden. \u201cWe are already testing a new version of an AI-enhanced ADT that may someday replace the current version in operation. More accurate hurricane analyses contribute to improved warnings that lead to better public preparations for an approaching storm, ultimately reducing the negative impacts on coastal populations.\u201d<\/p>\n

This work is supported by NOAA.<\/em><\/p>\n

\n

Written by Eric Verbeten<\/a><\/span><\/p>\n

Link to original story: https:\/\/news.wisc.edu\/uw-hurricane-application-gets-upgrade-in-time-for-2022-hurricane-season\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

With the 2022 Atlantic hurricane approaching in June, forecasters at the National Oceanic and Atmospheric Administration\u2019s National Hurricane Center will have access to the most advanced storm measurement software yet to help them save lives and property with timely warnings. The well-established, satellite-based method for determining tropical cyclone intensity known as the\u00a0Advanced Dvorak Technique\u00a0is receiving […]<\/p>\n","protected":false},"author":15,"featured_media":7847,"comment_status":"closed","ping_status":"closed","template":"","institution":[103],"story_category":[],"class_list":["post-7844","campus_story","type-campus_story","status-publish","has-post-thumbnail","hentry","institution-uw-madison"],"_links":{"self":[{"href":"https:\/\/www.wisconsin.edu\/all-in-wisconsin\/wp-json\/wp\/v2\/campus_story\/7844","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wisconsin.edu\/all-in-wisconsin\/wp-json\/wp\/v2\/campus_story"}],"about":[{"href":"https:\/\/www.wisconsin.edu\/all-in-wisconsin\/wp-json\/wp\/v2\/types\/campus_story"}],"author":[{"embeddable":true,"href":"https:\/\/www.wisconsin.edu\/all-in-wisconsin\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wisconsin.edu\/all-in-wisconsin\/wp-json\/wp\/v2\/comments?post=7844"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wisconsin.edu\/all-in-wisconsin\/wp-json\/wp\/v2\/media\/7847"}],"wp:attachment":[{"href":"https:\/\/www.wisconsin.edu\/all-in-wisconsin\/wp-json\/wp\/v2\/media?parent=7844"}],"wp:term":[{"taxonomy":"institution","embeddable":true,"href":"https:\/\/www.wisconsin.edu\/all-in-wisconsin\/wp-json\/wp\/v2\/institution?post=7844"},{"taxonomy":"story_category","embeddable":true,"href":"https:\/\/www.wisconsin.edu\/all-in-wisconsin\/wp-json\/wp\/v2\/story_category?post=7844"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}