{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:21:29.620483", "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-Jun-30_to_2022-Jul-02_49.0_27.5"}, "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": 2022060003098}, "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": "June 30 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 02 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": 110974.31920147051}, "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": ["Iran, Islamic Republic of", "Saudi Arabia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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": 27.5}, "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": 49.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "49.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 48.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 50.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 30.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[47.25, 24.0], [47.35, 24.25], [47.25, 24.5], [47.47, 25.03], [47.82, 25.18], [47.85, 25.25], [47.75, 25.5], [47.85, 25.75], 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"description": "List of all IPCC regions affected", "value": ["W.C.Asia", "Arabian-Peninsula"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.25, 23.5], [47.35, 23.75], [47.25, 24.0], [47.35, 24.25], [47.25, 24.5], [47.47, 25.03], [47.82, 25.18], [47.85, 25.25], [47.75, 25.5], [47.85, 25.75], [47.75, 26.0], [47.85, 26.25], [47.75, 26.5], [47.85, 26.75], [47.75, 27.0], [47.85, 27.25], [47.75, 27.5], [47.85, 27.75], [47.75, 28.0], [47.85, 28.25], [47.75, 28.5], [47.85, 28.75], [47.75, 29.0], [47.85, 29.25], [47.75, 29.5], [47.85, 29.75], [47.75, 30.0], [47.97, 30.53], [48.5, 30.75], [48.75, 30.65], [49.0, 30.75], [49.53, 30.53], [49.75, 30.0], [49.53, 29.47], [49.18, 29.32], [49.15, 29.25], [49.18, 29.18], [49.53, 29.03], [49.75, 28.5], [49.65, 28.25], [49.68, 28.18], [50.03, 28.03], [50.25, 27.5], [50.15, 27.25], [50.18, 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"evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [38.70471322977164, 39.05548537293282, 38.35011951199908]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [41.54458999047034, 41.47071470282225, 40.40094445114647]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.5904608434188034, 2.9092048127391434, 2.148617980676126]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.7235455314784076, 3.8567394258806758, 3.0334163346617515]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.863537749344579, 2.1536901788974756, 1.6075907707187447]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.4734661791203645, 2.9530323200187674, 2.3666139980359726]}}