{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:22:22.628224", "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": "2020-Dec-02_to_2020-Dec-05_161.5_-12.5"}, "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": 2020120000128}, "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 02 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 05 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 154390.3888258697}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Pacific-Ocean"]}, "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": ["Coral Sea", "Solomon Sea", "South Pacific Ocean"]}, "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": -12.5}, "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": 161.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "161.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 156.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 163.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -13.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -10.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-12-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[158.35, -11.25], [158.25, -11.0], [158.47, -10.47], [159.0, -10.25], [159.25, -10.35], [159.5, -10.25], [159.75, -10.35], [160.0, -10.25], [160.25, -10.35], [160.5, -10.25], [160.75, -10.35], [161.0, -10.25], [161.25, -10.35], [161.5, -10.25], [161.75, -10.35], [161.82, -10.32], [161.97, -9.97], [162.5, -9.75], [162.75, -9.85], [163.0, -9.75], [163.25, -9.85], [163.5, -9.75], [164.03, -9.97], [164.25, -10.5], [164.03, -11.03], [163.5, -11.25], [163.25, -11.15], [163.18, -11.18], [163.03, -11.53], [162.5, -11.75], [162.25, -11.65], [162.18, -11.68], [162.04, -12.0], [162.25, -12.5], [162.03, -13.03], [161.5, -13.25], [161.25, -13.15], [161.0, -13.25], [160.75, -13.15], [160.5, -13.25], [159.97, -13.03], [159.82, -12.68], [159.75, -12.65], [159.5, -12.75], [159.25, -12.65], [159.0, -12.75], [158.47, -12.53], [158.25, -12.0], [158.35, -11.75], [158.25, -11.5], [158.35, -11.25]]]]}, "2020-12-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[156.35, -11.75], [156.25, -11.5], [156.35, -11.25], [156.25, -11.0], [156.47, -10.47], 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maximum t2m.", "value": [25.86823052684798, 25.384610655387405, 25.574361976963985, 25.826876174353004]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.9012584333182168, -1.0666797968918087, -1.0356795795648583, -0.8776428115913923]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.2657978460669597, -1.4568613721809243, -1.304979026356989, -1.3028878233525916]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.6935622709229166, -1.9671545406394428, -1.9236382737584647, -1.621687936889436]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.3450803741515127, -2.6838637768013136, -2.416210857295133, -2.4906849122340255]}}