Temporal and spatial structure of nocturnal warming events in a midlatitude coastal city
| dc.contributor.author | Lao, Isabelle | |
| dc.contributor.author | Abraham, Carsten | |
| dc.contributor.author | Wiebe, Ed | |
| dc.contributor.author | Monahan, Adam H. | |
| dc.date.accessioned | 2024-10-07T22:34:00Z | |
| dc.date.available | 2024-10-07T22:34:00Z | |
| dc.date.issued | 2022 | |
| dc.description.abstract | Nocturnal warming events (NWEs) are abrupt interruptions in the typical cooling of surface temperatures at night. Using temperature time series from the high-resolution Vancouver Island School-Based Weather Station Network (VWSN) in British Columbia, Canada, we investigate temporal and spatial characteristics of NWEs. In this coastal region, NWEs are more frequently detected in winter than in summer, with a seasonal shift from slowly warming NWEs dominating the winter months to rapidly warming NWEs dominating the summer months. Slow-warming NWEs are of relatively small amplitude and exhibit slow cooling rates after the temperature peaks. In contrast, fast-warming NWEs have a temperature increase of several kelvins with shorter-duration temperature peaks. The median behavior of these distinct NWE classes at individual stations is similar across the entire set of stations. The spatial synchronicity of NWEs across the VWSN (determined by requiring NWEs at station pairs to occur within given time windows) decreases with distance, including substantial variability at nearby stations that reflects local influences. Fast-warming NWEs are observed to occur either simultaneously across a number of stations or in isolation at one station. Spatial synchronicity values are used to construct undirected networks to investigate spatial connectivity structures of NWEs. We find that, independent of individual seasons or NWE classes, the networks are largely unstructured, with no clear spatial connectivity structures related to local topography or direction. | |
| dc.description.reviewstatus | Reviewed | |
| dc.description.scholarlevel | Faculty | |
| dc.description.sponsorship | The VWSN has received funding from the BC Year of Science, the Natural Sciences and Engineering Research Council (NSERC) PromoScience Program, NEC Corporation, CTV Vancouver Island, the Faculty of Science at the University of Victoria, and generous donations from a number of individuals. Furthermore, the VWSN has received in-kind contributions from Davis Instruments Corporation. Authors Lao and Monahan acknowledge support of NSERC RGPIN-2019-04986. | |
| dc.identifier.citation | Lao, I. R., Abraham, C., Wiebe, E., & Monahan, A. H. (2022). Temporal and spatial structure of nocturnal warming events in a midlatitude coastal city. Journal of Applied Meteorology and Climatology, 61(9), 1139–1157. https://doi.org/10.1175/jamc-d-21-0205.1 | |
| dc.identifier.uri | https://doi.org/10.1175/jamc-d-21-0205.1 | |
| dc.identifier.uri | https://hdl.handle.net/1828/20493 | |
| dc.language.iso | en | |
| dc.publisher | Journal of Applied Meteorology and Climatology | |
| dc.subject | atmosphere | |
| dc.subject | coastlines | |
| dc.subject | complex terrain | |
| dc.subject | North America | |
| dc.subject | boundary layer | |
| dc.subject | climate classification/regimes | |
| dc.subject | coastal meteorology | |
| dc.subject | surface temperature | |
| dc.subject | UN SDG 13: Climate Action | |
| dc.subject | #journal article | |
| dc.subject | Pacific Climate Impacts Consortium (PCIC) | |
| dc.subject.department | School of Earth and Ocean Sciences | |
| dc.title | Temporal and spatial structure of nocturnal warming events in a midlatitude coastal city | |
| dc.type | Article |