{"id":"https://openalex.org/W7224910035","doi":"https://doi.org/10.5194/egusphere-2026-6210","title":"Weather types organize fog and low-cloud variability along the South-Western African coastline","display_name":"Weather types organize fog and low-cloud variability along the South-Western African coastline","publication_year":2026,"publication_date":"2026-10-30","ids":{"openalex":"https://openalex.org/W7224910035","doi":"https://doi.org/10.5194/egusphere-2026-6210"},"language":"en","primary_location":{"id":"doi:10.5194/egusphere-2026-6210","doi":"https://doi.org/10.5194/egusphere-2026-6210","is_oa":true,"landing_page_url":"https://doi.org/10.5194/egusphere-2026-6210","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"EGUsphere","raw_type":"posted-content"},"volume":null,"type":"preprint","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.5194/egusphere-2026-6210","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5042303149","display_name":"Hendrik Andersen","orcid":"https://orcid.org/0000-0003-2983-8838","observed_orcids":["https://orcid.org/0000-0003-2983-8838"]},"institutions":[{"id":"https://openalex.org/I102335020","display_name":"Karlsruhe Institute of Technology","ror":"https://ror.org/04t3en479","country_code":"DE","type":"education","lineage":["https://openalex.org/I102335020","https://openalex.org/I1305996414"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Hendrik Andersen","raw_affiliation_strings":["Karlsruhe Institute of Technology (Karlsruhe, Germany)"],"raw_orcid":"https://orcid.org/0000-0003-2983-8838","affiliations":[{"raw_affiliation_string":"Karlsruhe Institute of Technology (Karlsruhe, Germany)","institution_ids":["https://openalex.org/I102335020"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051009124","display_name":"Benjamin Pohl","orcid":"https://orcid.org/0000-0002-9339-797X","observed_orcids":["https://orcid.org/0000-0002-9339-797X"]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I4210158426","display_name":"Biog\u00e9osciences","ror":"https://ror.org/04mzqjs78","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I159885104","https://openalex.org/I2746051580","https://openalex.org/I4210107625","https://openalex.org/I4210158426","https://openalex.org/I4405253280"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Benjamin Pohl","raw_affiliation_strings":["Biog\u00e9osciences, UMR6282 CNRS / Universit\u00e9 Bourgogne Europe, Dijon, France"],"raw_orcid":"https://orcid.org/0000-0002-9339-797X","affiliations":[{"raw_affiliation_string":"Biog\u00e9osciences, UMR6282 CNRS / Universit\u00e9 Bourgogne Europe, Dijon, France","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I4210158426"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077347771","display_name":"Marco Gaetani","orcid":"https://orcid.org/0000-0003-2923-6773","observed_orcids":["https://orcid.org/0000-0003-2923-6773"]},"institutions":[{"id":"https://openalex.org/I2800920820","display_name":"Istituto Universitario di Studi Superiori di Pavia","ror":"https://ror.org/0290wsh42","country_code":"IT","type":"education","lineage":["https://openalex.org/I2800920820"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Marco Gaetani","raw_affiliation_strings":["Scuola Universitaria Superiore IUSS, Pavia, Italy"],"raw_orcid":"https://orcid.org/0000-0003-2923-6773","affiliations":[{"raw_affiliation_string":"Scuola Universitaria Superiore IUSS, Pavia, Italy","institution_ids":["https://openalex.org/I2800920820"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5042303149"],"corresponding_institution_ids":["https://openalex.org/I102335020"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10466","display_name":"Meteorological Phenomena and Simulations","score":0.7817000150680542,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10466","display_name":"Meteorological Phenomena and Simulations","score":0.7817000150680542,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10347","display_name":"Atmospheric aerosols and clouds","score":0.1656000018119812,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10029","display_name":"Climate variability and models","score":0.04859999939799309,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/fog","display_name":"fog","score":0.6850000023841858},{"id":"https://openalex.org/keywords/low-clouds","display_name":"low-level clouds","score":0.9440000057220459},{"id":"https://openalex.org/keywords/namib-desert","display_name":"Namib Desert","score":0.8379999995231628},{"id":"https://openalex.org/keywords/weather-types","display_name":"weather types","score":0.7229999899864197},{"id":"https://openalex.org/keywords/synoptic-scale-disturbances","display_name":"synoptic-scale disturbances","score":0.7739999890327454},{"id":"https://openalex.org/keywords/midlatitude-trough","display_name":"mid-latitude trough","score":0.8569999933242798},{"id":"https://openalex.org/keywords/moisture-transport","display_name":"moisture transport","score":0.7599999904632568},{"id":"https://openalex.org/keywords/hyperarid-environments","display_name":"hyper-arid regions","score":0.5329999923706055}],"concepts":[{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6920999884605408},{"id":"https://openalex.org/C49204034","wikidata":"https://www.wikidata.org/wiki/Q52139","display_name":"Climatology","level":1,"score":0.6498000025749207},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.4569000005722046},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.44119998812675476},{"id":"https://openalex.org/C150284090","wikidata":"https://www.wikidata.org/wiki/Q2615451","display_name":"Atmospheric circulation","level":2,"score":0.41769999265670776},{"id":"https://openalex.org/C2780799671","wikidata":"https://www.wikidata.org/wiki/Q17087362","display_name":"Transient (computer programming)","level":2,"score":0.3790000081062317},{"id":"https://openalex.org/C2994067962","wikidata":"https://www.wikidata.org/wiki/Q3509184","display_name":"Climate system","level":3,"score":0.3772999942302704},{"id":"https://openalex.org/C133830359","wikidata":"https://www.wikidata.org/wiki/Q81041","display_name":"Water cycle","level":2,"score":0.34790000319480896},{"id":"https://openalex.org/C41524352","wikidata":"https://www.wikidata.org/wiki/Q1233837","display_name":"Synoptic scale meteorology","level":2,"score":0.3472000062465668},{"id":"https://openalex.org/C174711106","wikidata":"https://www.wikidata.org/wiki/Q209190","display_name":"Low-pressure area","level":3,"score":0.33649998903274536},{"id":"https://openalex.org/C83404686","wikidata":"https://www.wikidata.org/wiki/Q537536","display_name":"Warm front","level":2,"score":0.32710000872612},{"id":"https://openalex.org/C91586092","wikidata":"https://www.wikidata.org/wiki/Q757520","display_name":"Atmospheric sciences","level":1,"score":0.31369999051094055},{"id":"https://openalex.org/C70564525","wikidata":"https://www.wikidata.org/wiki/Q2002856","display_name":"Mesocyclone","level":4,"score":0.31130000948905945},{"id":"https://openalex.org/C2983363897","wikidata":"https://www.wikidata.org/wiki/Q845339","display_name":"Air temperature","level":2,"score":0.30489999055862427},{"id":"https://openalex.org/C176864760","wikidata":"https://www.wikidata.org/wiki/Q217651","display_name":"Moisture","level":2,"score":0.29589998722076416},{"id":"https://openalex.org/C132651083","wikidata":"https://www.wikidata.org/wiki/Q7942","display_name":"Climate change","level":2,"score":0.2800999879837036},{"id":"https://openalex.org/C114148465","wikidata":"https://www.wikidata.org/wiki/Q4769685","display_name":"Annual cycle","level":2,"score":0.26969999074935913},{"id":"https://openalex.org/C11111821","wikidata":"https://www.wikidata.org/wiki/Q205880","display_name":"Circulation (fluid dynamics)","level":2,"score":0.260699987411499},{"id":"https://openalex.org/C2776130869","wikidata":"https://www.wikidata.org/wiki/Q1361649","display_name":"Desert (philosophy)","level":2,"score":0.2538999915122986},{"id":"https://openalex.org/C118365302","wikidata":"https://www.wikidata.org/wiki/Q4817115","display_name":"Atmospheric model","level":2,"score":0.2515999972820282}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.5194/egusphere-2026-6210","doi":"https://doi.org/10.5194/egusphere-2026-6210","is_oa":true,"landing_page_url":"https://doi.org/10.5194/egusphere-2026-6210","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"EGUsphere","raw_type":"posted-content"}],"best_oa_location":{"id":"doi:10.5194/egusphere-2026-6210","doi":"https://doi.org/10.5194/egusphere-2026-6210","is_oa":true,"landing_page_url":"https://doi.org/10.5194/egusphere-2026-6210","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"EGUsphere","raw_type":"posted-content"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/13","display_name":"Climate action","score":0.9786999821662903}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320879","display_name":"Deutsche Forschungsgemeinschaft","ror":"https://ror.org/018mejw64"},{"id":"https://openalex.org/F4320320883","display_name":"Agence Nationale de la Recherche","ror":"https://ror.org/00rbzpz17"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W3094832939","https://openalex.org/W3013609240","https://openalex.org/W7148367486","https://openalex.org/W7165903109","https://openalex.org/W2903802981","https://openalex.org/W7123825737","https://openalex.org/W2847466965","https://openalex.org/W7211872804","https://openalex.org/W2893315906","https://openalex.org/W6950355686"],"abstract_inverted_index":{"Abstract.":[0],"The":[1],"hyperarid":[2],"Namib":[3,224],"Desert":[4],"relies":[5],"on":[6,58,157,223],"fog":[7,61,184,188,207,225],"and":[8,70,102,114,150,154,168,174,182,209,227],"low":[9],"clouds":[10],"(FLCs)":[11],"as":[12,218],"a":[13,17,25,74,117,202,219,228],"critical":[14],"water":[15],"source,":[16],"role":[18],"likely":[19],"to":[20,50,97,133,195,201,235],"grow":[21],"in":[22,125],"importance":[23],"under":[24],"warmer,":[26],"drier":[27],"climate.":[28],"While":[29],"the":[30,78,92,98,126,134,177,196],"climatological":[31],"mean":[32],"conditions":[33],"favoring":[34],"FLC":[35,110,128,190],"formation":[36],"are":[37,43],"well":[38],"understood,":[39],"its":[40,233],"day-to-day":[41],"drivers":[42],"less":[44],"clear.":[45],"FLCs":[46],"have":[47],"been":[48],"linked":[49],"transient":[51,215],"synoptic-scale":[52],"disturbances,":[53,140],"but":[54],"previous":[55],"studies":[56],"relied":[57],"two-state":[59],"(e.g.":[60],"versus":[62],"clear-sky)":[63],"composites,":[64],"which":[65],"mixed":[66],"different":[67],"synoptic":[68,210],"states":[69],"could":[71],"not":[72],"resolve":[73],"disturbance's":[75],"evolution":[76],"across":[77],"coast.":[79],"To":[80],"fill":[81],"this":[82],"gap,":[83],"we":[84],"extend":[85],"an":[86],"existing":[87],"weather-type":[88],"(WT)":[89],"classification":[90],"of":[91,108,119,137,147],"south-eastern":[93],"Atlantic":[94],"atmospheric":[95],"circulation":[96,237],"full":[99],"annual":[100],"cycle,":[101],"combine":[103],"it":[104],"with":[105,172],"22":[106],"years":[107],"satellite":[109],"observations,":[111],"ERA5":[112],"reanalysis,":[113],"more":[115],"than":[116,186],"decade":[118],"station":[120],"observations.":[121],"We":[122],"find":[123],"that":[124,141],"Namib,":[127],"occurrence":[129,191],"is":[130,169],"strongly":[131],"tied":[132],"life":[135],"cycle":[136],"eastward-propagating":[138],"mid-latitude":[139,148,216],"drive":[142],"long-range":[143],"moisture":[144],"transport":[145],"ahead":[146],"troughs,":[149],"favor":[151],"free-tropospheric":[152],"drying":[153],"boundary-layer":[155],"deepening":[156],"their":[158],"rear":[159],"flanks.":[160],"This":[161],"response":[162,234],"persists":[163],"for":[164,231],"around":[165],"three":[166],"days":[167],"state-dependent,":[170],"varying":[171],"season":[173],"latitude.":[175],"Along":[176],"south":[178],"coast":[179],"where":[180],"radiation":[181],"advection-radiation":[183],"rather":[185],"stratus-interception":[187],"dominate,":[189],"instead":[192],"responds":[193],"oppositely":[194],"same":[197],"weather":[198],"types,":[199],"pointing":[200],"systematic":[203],"link":[204],"between":[205],"dominant":[206],"type":[208],"sensitivity.":[211],"These":[212],"results":[213],"establish":[214],"disturbances":[217],"unifying,":[220],"multi-scale":[221],"control":[222],"variability":[226],"physical":[229],"basis":[230],"anticipating":[232],"future":[236],"change.":[238]},"counts_by_year":[],"updated_date":"2026-11-01T11:40:01.658920","created_date":"2026-10-31T00:00:00"}