{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:58:01.245955", "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": "2024-Mar-11_to_2024-Mar-14_141.5_-16.0"}, "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": 2024030001300}, "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": "March 11 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 14 2024"}, "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": "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": 62566.775984126725}, "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": ["Australia"]}, "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": []}, "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": -16.0}, "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": 141.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "141.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 140.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 142.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -17.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -13.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[142.75, -14.5], [142.54, -15.0], [142.75, -15.5], [142.65, -15.75], [142.75, -16.0], [142.53, -16.53], [142.0, -16.75], [141.75, -16.65], [141.68, -16.68], [141.65, -16.75], [141.75, -17.0], [141.53, -17.53], [141.18, -17.68], [141.03, -18.03], [140.5, -18.25], [139.97, -18.03], [139.75, -17.5], [139.85, -17.25], [139.75, -17.0], [139.85, -16.75], [139.75, -16.5], [139.85, -16.25], [139.75, -16.0], [139.85, -15.75], [139.75, -15.5], [139.97, -14.97], [140.32, -14.82], [140.47, -14.47], [140.82, -14.32], [140.85, -14.25], [140.82, -14.18], [140.47, -14.03], [140.25, -13.5], [140.35, -13.25], [140.25, -13.0], [140.47, -12.47], [141.0, -12.25], [141.53, -12.47], [141.68, -12.82], [142.03, -12.97], [142.25, -13.5], [142.15, -13.75], [142.18, -13.82], [142.53, -13.97], [142.75, -14.5]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-03-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.75, -16.0], [139.85, -15.75], [139.75, -15.5], [139.97, -14.97], [140.32, -14.82], [140.47, -14.47], [140.82, -14.32], [140.85, -14.25], [140.82, -14.18], [140.47, -14.03], [140.25, -13.5], [140.35, -13.25], [140.25, -13.0], [140.47, -12.47], [141.0, -12.25], [141.53, -12.47], [141.68, -12.82], [142.03, -12.97], [142.25, -13.5], [142.15, -13.75], [142.25, -14.0], [142.15, -14.25], [142.25, -14.5], [142.15, -14.75], [142.18, -14.82], [142.53, -14.97], [142.75, -15.5], [142.65, -15.75], [142.75, -16.0], [142.53, -16.53], [142.0, -16.75], [141.75, -16.65], [141.5, -16.75], [141.25, -16.65], [141.18, -16.68], [141.03, -17.03], [140.5, -17.25], [139.97, -17.03], [139.75, -16.5], [139.85, -16.25], [139.75, -16.0]]]]}, "2024-03-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.75, -17.0], [139.85, -16.75], [139.75, -16.5], [139.85, -16.25], [139.75, -16.0], [139.85, -15.75], [139.75, -15.5], [139.97, -14.97], [140.32, -14.82], [140.47, -14.47], [140.82, -14.32], [140.85, -14.25], [140.82, -14.18], [140.47, -14.03], [140.25, -13.5], [140.35, -13.25], [140.25, -13.0], [140.47, -12.47], [141.0, -12.25], [141.53, -12.47], [141.68, -12.82], [142.03, -12.97], [142.25, -13.5], [142.15, -13.75], [142.18, -13.82], [142.53, -13.97], [142.75, -14.5], [142.54, -15.0], [142.75, -15.5], [142.65, -15.75], [142.75, -16.0], [142.53, -16.53], [142.0, -16.75], [141.75, -16.65], [141.68, -16.68], [141.65, -16.75], [141.75, -17.0], [141.53, -17.53], [141.18, -17.68], [141.03, -18.03], [140.5, -18.25], [139.97, -18.03], [139.75, -17.5], [139.85, -17.25], [139.75, -17.0]]]]}, "2024-03-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.75, -17.0], [139.85, -16.75], [139.75, -16.5], [139.85, -16.25], [139.75, -16.0], [139.85, -15.75], [139.75, -15.5], [139.97, -14.97], [140.32, -14.82], [140.47, -14.47], [140.82, -14.32], [140.85, -14.25], [140.82, -14.18], [140.47, -14.03], [140.25, -13.5], [140.35, -13.25], [140.25, -13.0], 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[141.18, -17.68], [141.03, -18.03], [140.5, -18.25], [139.97, -18.03], [139.75, -17.5], [139.85, -17.25], [139.75, -17.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.9628029796278952}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.436615344070233}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.05917307499766, 29.19636878956061, 29.366212657806955, 29.534548064896796]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.699793601638476, 30.312484149301213, 30.13682528053448, 30.53023403437959]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3413856633368617, 1.3719923563096608, 1.5230578057388773, 1.569798586528286]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5095996639274745, 1.8090269056122565, 1.9628029796278952, 1.850874197464691]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.515611191753627, 1.502138624270559, 1.6888172314007288, 1.5881646617981846]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7856333118165222, 1.851886220509224, 2.2370313475907557, 1.7888868400798412]}}