{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:56:45.239738", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2023-Dec-10_to_2023-Dec-14_158.5_-7.0"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2023120001305}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "December 10 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 14 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 119676.85678492262}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Solomon Islands"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Oceania"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": ["Pacific Ocean", "Solomon Sea"]}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": -7.0}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 158.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "158.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 155.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 162.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[154.47, -6.47], [155.0, -6.25], [155.25, -6.35], [155.5, -6.25], [155.75, -6.35], [155.82, -6.32], [155.97, -5.97], [156.32, -5.82], [156.47, -5.47], [157.0, -5.25], [157.25, -5.35], [157.5, -5.25], [157.75, -5.35], [158.0, -5.25], [158.25, -5.35], [158.5, -5.25], [158.75, -5.35], [159.0, -5.25], [159.53, -5.47], [159.68, -5.82], [159.75, -5.85], [160.0, -5.75], [160.25, -5.85], [160.5, -5.75], [160.75, -5.85], [161.0, -5.75], [161.25, -5.85], [161.5, -5.75], [161.75, -5.85], [162.0, -5.75], [162.53, -5.97], [162.75, -6.5], [162.53, -7.03], [162.0, -7.25], [161.75, -7.15], [161.68, -7.18], [161.53, -7.53], [161.0, -7.75], [160.75, -7.65], [160.5, -7.75], [160.2, -7.63], [160.03, -8.03], [159.68, -8.18], [159.65, -8.25], [159.75, -8.5], [159.53, -9.03], [159.0, -9.25], [158.47, -9.03], [158.25, -8.5], [158.35, -8.25], [158.32, -8.18], [158.25, -8.15], [158.0, -8.25], [157.75, -8.15], [157.5, -8.25], [157.25, -8.15], [157.0, -8.25], [156.75, -8.15], [156.5, -8.25], [156.25, -8.15], [156.0, -8.25], [155.47, -8.03], [155.32, -7.68], [155.25, -7.65], [155.0, -7.75], [154.47, -7.53], [154.25, -7.0], [154.47, -6.47]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-12-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[155.25, -7.0], [155.47, -6.47], [155.82, -6.32], [155.97, -5.97], [156.5, -5.75], [157.0, -5.96], [157.5, -5.75], [157.75, -5.85], [158.0, -5.75], [158.25, -5.85], [158.5, -5.75], [159.03, -5.97], [159.25, -6.5], [159.15, -6.75], [159.25, -7.0], [159.03, -7.53], [158.68, -7.68], [158.53, -8.03], [158.0, -8.25], [157.75, -8.15], [157.5, -8.25], [157.25, -8.15], [157.0, -8.25], [156.75, -8.15], [156.5, -8.25], [156.25, -8.15], [156.0, -8.25], [155.47, -8.03], [155.25, -7.5], [155.35, -7.25], [155.25, -7.0]]]]}, "2023-12-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[155.25, -7.0], [155.47, -6.47], [155.82, -6.32], [155.97, -5.97], [156.5, -5.75], [156.8, -5.87], [156.97, -5.47], [157.5, -5.25], [157.75, -5.35], [158.0, -5.25], [158.25, -5.35], [158.5, -5.25], [158.75, -5.35], [159.0, -5.25], [159.53, -5.47], [159.68, -5.82], [159.75, -5.85], [160.0, -5.75], [160.25, -5.85], [160.5, -5.75], [160.75, -5.85], [161.0, -5.75], [161.25, -5.85], [161.5, -5.75], [161.75, -5.85], [162.0, -5.75], [162.53, -5.97], [162.75, -6.5], [162.53, -7.03], [162.0, -7.25], [161.75, -7.15], [161.68, -7.18], [161.53, -7.53], [161.0, -7.75], [160.75, -7.65], [160.5, -7.75], [160.2, -7.63], [160.03, -8.03], [159.68, -8.18], [159.65, -8.25], [159.75, -8.5], [159.53, -9.03], [159.0, -9.25], [158.47, -9.03], [158.25, -8.5], [158.35, -8.25], [158.32, -8.18], [158.25, -8.15], [158.0, -8.25], [157.75, -8.15], [157.5, -8.25], [157.25, -8.15], [157.0, -8.25], [156.75, -8.15], [156.5, -8.25], [156.25, -8.15], [156.0, -8.25], [155.47, -8.03], [155.25, -7.5], [155.35, -7.25], [155.25, -7.0]]]]}, "2023-12-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[155.0, -7.75], [154.47, -7.53], [154.25, -7.0], [154.47, -6.47], [155.0, -6.25], [155.25, -6.35], [155.5, -6.25], [155.75, -6.35], [155.82, -6.32], [155.97, -5.97], [156.32, -5.82], [156.47, -5.47], [157.0, -5.25], [157.25, -5.35], [157.5, -5.25], [157.75, -5.35], [158.0, -5.25], [158.25, -5.35], [158.5, -5.25], [158.75, -5.35], [159.0, -5.25], [159.53, -5.47], [159.68, -5.82], [159.75, -5.85], [160.0, -5.75], [160.25, -5.85], [160.5, -5.75], [160.75, -5.85], [161.0, -5.75], [161.25, -5.85], [161.5, -5.75], [161.75, -5.85], [162.0, -5.75], [162.53, -5.97], [162.75, -6.5], [162.53, -7.03], [162.0, -7.25], [161.75, -7.15], [161.68, -7.18], [161.53, -7.53], [161.0, -7.75], [160.75, -7.65], [160.5, -7.75], [160.2, -7.63], [160.03, -8.03], [159.68, -8.18], [159.65, -8.25], [159.75, -8.5], [159.53, -9.03], [159.0, -9.25], [158.47, -9.03], [158.25, -8.5], [158.35, -8.25], [158.32, -8.18], [158.25, -8.15], [158.0, -8.25], [157.75, -8.15], [157.5, -8.25], [157.25, -8.15], [157.0, -8.25], [156.75, -8.15], [156.5, -8.25], [156.25, -8.15], [156.0, -8.25], [155.47, -8.03], [155.32, -7.68], [155.25, -7.65], [155.0, -7.75]]]]}, "2023-12-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[155.0, -7.75], [154.47, -7.53], [154.25, -7.0], [154.47, -6.47], [155.0, -6.25], [155.25, -6.35], [155.5, -6.25], [155.75, -6.35], [155.82, -6.32], [155.97, -5.97], [156.32, -5.82], [156.47, -5.47], [157.0, -5.25], [157.25, -5.35], [157.5, -5.25], [157.75, -5.35], [158.0, -5.25], [158.25, -5.35], [158.5, -5.25], [158.75, -5.35], [159.0, -5.25], [159.53, -5.47], [159.68, -5.82], [159.75, -5.85], [160.0, -5.75], [160.25, -5.85], [160.5, -5.75], [160.75, -5.85], [161.0, -5.75], [161.25, -5.85], [161.5, -5.75], [161.75, -5.85], [162.0, -5.75], [162.53, -5.97], [162.75, -6.5], [162.53, -7.03], [162.0, -7.25], [161.75, -7.15], [161.68, -7.18], [161.53, -7.53], [161.0, -7.75], [160.75, -7.65], [160.5, -7.75], [160.2, -7.63], [160.03, -8.03], [159.68, -8.18], [159.65, -8.25], [159.75, -8.5], [159.53, -9.03], [159.0, -9.25], [158.47, -9.03], [158.25, -8.5], [158.35, -8.25], [158.32, -8.18], [158.25, -8.15], [158.0, -8.25], [157.75, -8.15], [157.5, -8.25], [157.25, -8.15], [157.0, -8.25], [156.75, -8.15], [156.5, -8.25], [156.25, -8.15], [156.0, -8.25], [155.47, -8.03], [155.32, -7.68], [155.25, -7.65], [155.0, -7.75]]]]}, "2023-12-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[155.0, -7.75], [154.47, -7.53], [154.25, -7.0], [154.47, -6.47], [155.0, -6.25], [155.25, -6.35], [155.5, -6.25], [155.75, -6.35], [156.0, -6.25], [156.3, -6.37], [156.35, -6.25], [156.25, -6.0], [156.47, -5.47], [157.0, -5.25], [157.25, -5.35], [157.5, -5.25], [157.75, -5.35], [158.0, -5.25], [158.25, -5.35], [158.5, -5.25], [159.03, -5.47], [159.18, -5.82], [159.25, -5.85], [159.5, -5.75], [159.75, -5.85], [160.0, -5.75], [160.25, -5.85], [160.5, -5.75], [161.03, -5.97], [161.25, -6.5], [161.03, -7.03], [160.5, -7.25], [160.25, -7.15], [160.18, -7.18], [160.03, -7.53], [159.68, -7.68], [159.53, -8.03], [159.0, -8.25], [158.75, -8.15], [158.5, -8.25], [158.25, -8.15], [158.0, -8.25], [157.5, -8.04], [157.0, -8.25], [156.75, -8.15], [156.5, -8.25], [156.25, -8.15], [156.0, -8.25], [155.47, -8.03], [155.32, -7.68], [155.25, -7.65], [155.0, -7.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6509533866831134}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0244246886053445}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.06988574579583, 28.348426947732264, 28.50843795218117, 28.496922509812578, 28.42689018407043]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.300516868346733, 28.798807173805756, 28.972428460327592, 29.102156724975885, 28.711857187618364]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.753700989872857, 0.9396467253147518, 1.1119815719384802, 1.116473168359196, 1.0253275745963277]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.8912111535674399, 1.2879164381305372, 1.5116616841298196, 1.6509533866831134, 1.2680406077723774]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5947871094577537, 1.8318604133205094, 2.121521326030498, 2.105519206066997, 1.8892175182980426]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8772081014652628, 2.4110429125648025, 2.879793995621217, 3.0926943218016785, 2.2988058504990465]}}