{"id":1100,"date":"2023-07-03T01:38:25","date_gmt":"2023-07-03T00:38:25","guid":{"rendered":"https:\/\/research.reading.ac.uk\/s2s-summit2023\/?page_id=1100"},"modified":"2023-07-03T01:38:25","modified_gmt":"2023-07-03T00:38:25","slug":"abstract201","status":"publish","type":"page","link":"https:\/\/research.reading.ac.uk\/s2s-summit2023\/programme\/abstract201\/","title":{"rendered":"Abstract 201"},"content":{"rendered":"

[vc_row][vc_column][vc_column_text]Abstract ID:<\/strong> 201<\/p>\n

Analysis of the 2022 Flash Drought Across the South-Central United States<\/h2>\n

Lead Author:<\/strong> Jeffrey B. Basara
\nSchool of Meteorology; School of Civil Engineering and Environmental Science; University of Oklahoma, United States of America
\n<\/span><\/p>\n

Keywords:<\/strong> Flash Drought, Evaporative stress<\/p>\n

Abstract:<\/strong> Flash drought events are critical features that develop within the subseasonal-to-seasonal continuum with significant impacts to agriculture, ecosystem function, and water resources. During the summer of 2022, a significant flash drought event occurred across the south-central United States. Even though cumulative rainfall totals were near-normal leading up to the event and rootzone soil moisture conditions were nearly saturated, minimal rainfall during June and July coupled with above-average temperatures led to rapid drought development and land surface desiccation. Further, considerable drying of the land surface during the flash drought event promoted enhanced heatwave development throughout July and early August. This study examines the critical drivers of the event including teleconnections via sea surface temperature anomalies (La Ni\u00f1a), mid and upper tropospheric patterns (a quasi-stationary upper-level ridge), as well as the spatial expansion and temporal evolution of the event using the standardized evaporative stress ratio (SESR), soil moisture, vegetative indices, and the United States Drought Monitor (USDM). In addition, the S2S predictability of the flash drought was investigated by examining the performance of S2S forecast models. Finally, the attribution of the flash drought toward impacts on the ecosystem were determined by the timing and intensity of the event.<\/p>\n

Co-authors:
\n<\/strong>Jordan I. Christian, School of Meteorology, University of Oklahoma, Norman, OK, USA
\nBenjamin J. Fellman, School of Meteorology, University of Oklahoma, Norman, OK, USA
\nTaylor M. Grace, School of Meteorology, University of Oklahoma, Norman, OK, USA
\nDaniel Mesheske, School of Civil Engineering and Environmental Science, University of Oklahoma, Norman, OK, USA
\nBrian Fuchs, National Drought Mitigation Center (NDMC), Lincoln, NE, USA
\nStuart Edris, School of Meteorology, University of Oklahoma, Norman, OK, USA[\/vc_column_text][vc_separator][\/vc_column][\/vc_row][vc_row][vc_column width=”1\/6″][vc_single_image image=”344″ img_size=”full” onclick=”custom_link” link=”http:\/\/s2sprediction.net\/”][\/vc_column][vc_column width=”1\/6″][vc_single_image image=”345″ img_size=”full” onclick=”custom_link” link=”https:\/\/public.wmo.int\/en”][\/vc_column][vc_column width=”1\/6″][vc_single_image image=”346″ img_size=”full” onclick=”custom_link” link=”https:\/\/community.wmo.int\/activity-areas\/wwrp”][\/vc_column][vc_column width=”1\/6″][vc_single_image image=”347″ img_size=”full” onclick=”custom_link” link=”https:\/\/www.wcrp-climate.org\/”][\/vc_column][vc_column width=”1\/6″][vc_single_image image=”348″ img_size=”full”][\/vc_column][vc_column width=”1\/6″][vc_single_image image=”349″ img_size=”full” onclick=”custom_link” link=”https:\/\/www.reading.ac.uk\/”][\/vc_column][\/vc_row]<\/p>\n","protected":false},"excerpt":{"rendered":"

[vc_row][vc_column][vc_column_text]Abstract ID: 201 Analysis of the 2022 Flash Drought Across the South-Central United States Lead Author: Jeffrey B. Basara School of Meteorology; School of Civil Engineering and Environmental Science; University…Read More ><\/a><\/p>\n","protected":false},"author":145,"featured_media":0,"parent":528,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"__cvm_playback_settings":[],"__cvm_video_id":"","footnotes":""},"coauthors":[13],"class_list":["post-1100","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nAbstract 201 - WWRP\/WCRP S2S Summit 2023<\/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:\/\/research.reading.ac.uk\/s2s-summit2023\/programme\/abstract201\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Abstract 201 - WWRP\/WCRP S2S Summit 2023\" \/>\n<meta property=\"og:description\" content=\"[vc_row][vc_column][vc_column_text]Abstract ID: 201 Analysis of the 2022 Flash Drought Across the South-Central United States Lead Author: Jeffrey B. 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