{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/106301"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/106301","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Investigation of the structure of natural orographic clouds embedded within atmospheric river type flow over the Payette Mountains in Idaho","abstract":"The Seeded and Natural Orographic Wintertime clouds: the Idaho Experiment (SNOWIE) field campaign operated from January 7, 2017 – March 17, 2017, in the Payette Basin just northeast of Boise, ID. The goal of this campaign was to use radar and in-situ measurements to observe seeded and natural orographic clouds to prove the efficacy of orographic cloud seeding over the Payette Basin. One of the platforms used was the University of Wyoming King Air (UWKA) aircraft equipped with the Wyoming Cloud Radar (WCR), a 3 mm wavelength cloud radar, which flew through, and collected data on orographic clouds to obtain fields of reflectivity and radial velocity. Within these orographic clouds, knowing the location and amount of supercooled liquid water (SLW) is vital to the success of cloud seeding missions. Past research has shown that updrafts within orographic clouds are required for SLW to be present. Using the WCR observations, supplemented by simulations using the Weather Research and Forecasting model, the nature of cloud updrafts within the Payette Mountains were investigated within atmospheric river type flow, which was the dominant synoptic weather pattern during SNOWIE Intensive Operating Periods. Additionally, a trajectory analysis was conducted to understand the source regions for the different layers observed in these orographic cloud systems.","abstract_html":"The Seeded and Natural Orographic Wintertime clouds: the Idaho Experiment (SNOWIE) field campaign operated from January 7, 2017 – March 17, 2017, in the Payette Basin just northeast of Boise, ID. The goal of this campaign was to use radar and in-situ measurements to observe seeded and natural orographic clouds to prove the efficacy of orographic cloud seeding over the Payette Basin. One of the platforms used was the University of Wyoming King Air (UWKA) aircraft equipped with the Wyoming Cloud Radar (WCR), a 3 mm wavelength cloud radar, which flew through, and collected data on orographic clouds to obtain fields of reflectivity and radial velocity. Within these orographic clouds, knowing the location and amount of supercooled liquid water (SLW) is vital to the success of cloud seeding missions. Past research has shown that updrafts within orographic clouds are required for SLW to be present. Using the WCR observations, supplemented by simulations using the Weather Research and Forecasting model, the nature of cloud updrafts within the Payette Mountains were investigated within atmospheric river type flow, which was the dominant synoptic weather pattern during SNOWIE Intensive Operating Periods. Additionally, a trajectory analysis was conducted to understand the source regions for the different layers observed in these orographic cloud systems.","abstract_has_math":false,"creators":["Springer, Adam C."],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Atmospheric Sciences","degree_department":null,"school":null,"contributors":["Rauber, Robert M."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2020,"date_issued":"2020-03-02T22:10:18Z","date_published":"2020-03-02T22:10:18Z","updated_at":"2026-07-22T22:24:45Z","subjects":["Orographic","SNOWIE"],"languages":["en"],"rights":["Copyright 2019 Adam Springer"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/106301","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Rauber, Robert M."]},{"key":"dc:creator","label":"Author","values":["Springer, Adam C."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2020-03-02T22:10:18Z","2022-03-03T10:15:13Z","2019-08-05","2019-12"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Atmospheric Sciences"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Orographic","SNOWIE"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2019 Adam Springer"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/106301"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The Seeded and Natural Orographic Wintertime clouds: the Idaho Experiment (SNOWIE) field campaign operated from January 7, 2017 – March 17, 2017, in the Payette Basin just northeast of Boise, ID. The goal of this campaign was to use radar and in-situ measurements to observe seeded and natural orographic clouds to prove the efficacy of orographic cloud seeding over the Payette Basin. One of the platforms used was the University of Wyoming King Air (UWKA) aircraft equipped with the Wyoming Cloud Radar (WCR), a 3 mm wavelength cloud radar, which flew through, and collected data on orographic clouds to obtain fields of reflectivity and radial velocity. Within these orographic clouds, knowing the location and amount of supercooled liquid water (SLW) is vital to the success of cloud seeding missions. Past research has shown that updrafts within orographic clouds are required for SLW to be present. Using the WCR observations, supplemented by simulations using the Weather Research and Forecasting model, the nature of cloud updrafts within the Payette Mountains were investigated within atmospheric river type flow, which was the dominant synoptic weather pattern during SNOWIE Intensive Operating Periods. Additionally, a trajectory analysis was conducted to understand the source regions for the different layers observed in these orographic cloud systems.","Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2021-12-01","The student, Adam Springer, accepted the attached license on 2019-08-01 at 16:48.","The student, Adam Springer, submitted this Thesis for approval on 2019-08-01 at 17:04.","This Thesis was approved for publication on 2019-08-05 at 13:50.","DSpace SAF Submission Ingestion Package generated from Vireo submission #14408 on 2020-02-28 at 17:19:50","Made available in DSpace on 2020-03-02T22:10:18Z (GMT). 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The goal of this campaign was to use radar and in-situ measurements to observe seeded and natural orographic clouds to prove the efficacy of orographic cloud seeding over the Payette Basin. One of the platforms used was the University of Wyoming King Air (UWKA) aircraft equipped with the Wyoming Cloud Radar (WCR), a 3 mm wavelength cloud radar, which flew through, and collected data on orographic clouds to obtain fields of reflectivity and radial velocity. Within these orographic clouds, knowing the location and amount of supercooled liquid water (SLW) is vital to the success of cloud seeding missions. Past research has shown that updrafts within orographic clouds are required for SLW to be present. Using the WCR observations, supplemented by simulations using the Weather Research and Forecasting model, the nature of cloud updrafts within the Payette Mountains were investigated within atmospheric river type flow, which was the dominant synoptic weather pattern during SNOWIE Intensive Operating Periods. Additionally, a trajectory analysis was conducted to understand the source regions for the different layers observed in these orographic cloud systems.","Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2021-12-01","The student, Adam Springer, accepted the attached license on 2019-08-01 at 16:48.","The student, Adam Springer, submitted this Thesis for approval on 2019-08-01 at 17:04.","This Thesis was approved for publication on 2019-08-05 at 13:50.","DSpace SAF Submission Ingestion Package generated from Vireo submission #14408 on 2020-02-28 at 17:19:50","Made available in DSpace on 2020-03-02T22:10:18Z (GMT). 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