{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:20:39.617388", "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": "2022-May-24_to_2022-May-26_66.0_34.0"}, "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": 2022050002695}, "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": "May 24 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 26 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 53691.42234341313}, "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": ["Afghanistan"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": 34.0}, "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": 66.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "66.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 63.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 68.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 33.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 35.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[62.25, 33.5], [62.47, 34.03], [63.0, 34.25], [63.25, 34.15], [63.5, 34.25], [63.75, 34.15], [63.82, 34.18], [63.97, 34.53], [64.5, 34.75], [64.75, 34.65], [64.82, 34.68], [64.97, 35.03], [65.32, 35.18], [65.47, 35.53], [66.0, 35.75], [66.25, 35.65], [66.5, 35.75], [66.75, 35.65], [67.0, 35.75], [67.25, 35.65], [67.5, 35.75], [67.75, 35.65], [68.0, 35.75], [68.53, 35.53], [68.75, 35.0], [68.53, 34.47], [68.0, 34.25], [67.75, 34.35], [67.68, 34.32], [67.65, 34.25], [67.75, 34.0], [67.53, 33.47], [67.0, 33.25], [66.75, 33.35], [66.5, 33.25], [66.25, 33.35], [66.18, 33.32], [66.03, 32.97], [65.5, 32.75], [65.25, 32.85], [65.0, 32.75], [64.75, 32.85], [64.5, 32.75], [64.25, 32.85], [64.0, 32.75], [63.75, 32.85], [63.5, 32.75], [63.25, 32.85], [63.0, 32.75], [62.47, 32.97], [62.25, 33.5]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.C.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-05-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[63.0, 32.75], [62.47, 32.97], [62.25, 33.5], [62.47, 34.03], [63.0, 34.25], [63.25, 34.15], [63.5, 34.25], [63.75, 34.15], [63.82, 34.18], [63.97, 34.53], [64.5, 34.75], [64.75, 34.65], [64.82, 34.68], [64.97, 35.03], [65.32, 35.18], [65.47, 35.53], [66.0, 35.75], [66.25, 35.65], [66.5, 35.75], [66.75, 35.65], [67.0, 35.75], [67.25, 35.65], [67.5, 35.75], [67.75, 35.65], [68.0, 35.75], [68.53, 35.53], [68.75, 35.0], [68.53, 34.47], [68.0, 34.25], [67.75, 34.35], [67.68, 34.32], [67.65, 34.25], [67.75, 34.0], [67.53, 33.47], [67.0, 33.25], [66.75, 33.35], [66.5, 33.25], [66.25, 33.35], [66.18, 33.32], [66.03, 32.97], [65.5, 32.75], [65.25, 32.85], [65.0, 32.75], [64.75, 32.85], [64.5, 32.75], [64.25, 32.85], [64.0, 32.75], [63.75, 32.85], [63.5, 32.75], [63.25, 32.85], [63.0, 32.75]]]]}, "2022-05-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[63.0, 32.75], [62.47, 32.97], [62.25, 33.5], [62.47, 34.03], [63.0, 34.25], [63.25, 34.15], [63.5, 34.25], [63.75, 34.15], [63.82, 34.18], [63.97, 34.53], [64.5, 34.75], [64.75, 34.65], [64.82, 34.68], [64.97, 35.03], [65.32, 35.18], [65.47, 35.53], [66.0, 35.75], [66.25, 35.65], [66.5, 35.75], [66.75, 35.65], [67.0, 35.75], [67.25, 35.65], [67.5, 35.75], [67.75, 35.65], [68.0, 35.75], [68.53, 35.53], [68.75, 35.0], [68.53, 34.47], [68.0, 34.25], [67.75, 34.35], [67.68, 34.32], [67.65, 34.25], [67.75, 34.0], [67.53, 33.47], [67.0, 33.25], [66.75, 33.35], [66.5, 33.25], [66.25, 33.35], [66.18, 33.32], [66.03, 32.97], [65.5, 32.75], [65.25, 32.85], [65.0, 32.75], [64.75, 32.85], [64.5, 32.75], [64.25, 32.85], [64.0, 32.75], [63.75, 32.85], [63.5, 32.75], [63.25, 32.85], [63.0, 32.75]]]]}, "2022-05-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[63.0, 32.75], [62.47, 32.97], [62.25, 33.5], [62.47, 34.03], [63.0, 34.25], [63.25, 34.15], [63.5, 34.25], [63.75, 34.15], [63.82, 34.18], [63.97, 34.53], [64.5, 34.75], [64.75, 34.65], [64.82, 34.68], [64.97, 35.03], [65.32, 35.18], 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15.32525526801328]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.12902164088331, 24.145552132291584, 21.70254829590914]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.281772684557363, 5.037042202923152, 3.8039901376586323]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.884115759257611, 5.8934848848396655, 4.598359587555535]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6104702687275223, 1.9654216283560781, 1.546412695457998]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.91094448963523, 2.261907223623143, 1.9730244243291588]}}