{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:56:26.184438", "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-Nov-27_to_2023-Dec-03_61.5_31.5"}, "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": 2023110002095}, "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": "November 27 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 03 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 50084.13207558471}, "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", "Iran, Islamic Republic of"]}, "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": 31.5}, "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": 61.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "61.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 61.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 62.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 30.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 33.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[60.35, 32.25], [60.25, 32.5], [60.47, 33.03], [61.0, 33.25], [61.3, 33.13], [61.47, 33.53], [62.0, 33.75], [62.53, 33.53], [62.68, 33.18], [63.03, 33.03], [63.25, 32.5], [63.15, 32.25], [63.25, 32.0], [63.15, 31.75], [63.25, 31.5], [63.03, 30.97], [62.68, 30.82], [62.59, 30.61], [62.54, 30.5], [62.75, 30.0], [62.53, 29.47], [62.0, 29.25], [61.75, 29.35], [61.5, 29.25], [61.25, 29.35], [61.0, 29.25], [60.47, 29.47], [60.25, 30.0], [60.35, 30.25], [60.25, 30.5], [60.35, 30.75], [60.25, 31.0], [60.35, 31.25], [60.25, 31.5], [60.36, 31.75], [60.25, 32.0], [60.35, 32.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.C.Asia", "S.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-11-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[61.0, 31.75], [60.47, 31.97], [60.25, 32.5], [60.47, 33.03], [61.0, 33.25], [61.3, 33.13], [61.47, 33.53], [62.0, 33.75], [62.53, 33.53], [62.68, 33.18], [63.03, 33.03], [63.25, 32.5], [63.04, 32.0], [63.25, 31.5], [63.03, 30.97], [62.5, 30.75], [61.97, 30.97], [61.82, 31.32], [61.47, 31.47], [61.3, 31.88], [61.0, 31.75]]]]}, "2023-11-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[60.25, 30.5], [60.35, 30.75], [60.25, 31.0], [60.35, 31.25], [60.25, 31.5], [60.46, 32.0], [60.25, 32.5], [60.47, 33.03], [61.0, 33.25], [61.3, 33.13], [61.47, 33.53], [62.0, 33.75], [62.53, 33.53], [62.68, 33.18], [63.03, 33.03], [63.25, 32.5], [63.15, 32.25], [63.25, 32.0], [63.15, 31.75], [63.25, 31.5], [63.03, 30.97], [62.68, 30.82], [62.54, 30.5], [62.75, 30.0], [62.53, 29.47], [62.0, 29.25], [61.5, 29.46], [61.0, 29.25], [60.47, 29.47], [60.25, 30.0], [60.35, 30.25], [60.25, 30.5]]]]}, "2023-11-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[60.25, 30.5], [60.35, 30.75], [60.25, 31.0], [60.35, 31.25], [60.25, 31.5], [60.46, 32.0], [60.25, 32.5], [60.47, 33.03], [61.0, 33.25], [61.3, 33.13], [61.47, 33.53], [62.0, 33.75], [62.53, 33.53], [62.68, 33.18], [63.03, 33.03], [63.25, 32.5], [63.15, 32.25], [63.25, 32.0], [63.15, 31.75], [63.25, 31.5], [63.03, 30.97], [62.68, 30.82], [62.54, 30.5], [62.75, 30.0], [62.53, 29.47], [62.0, 29.25], [61.75, 29.35], [61.5, 29.25], [61.25, 29.35], [61.0, 29.25], [60.47, 29.47], [60.25, 30.0], [60.35, 30.25], [60.25, 30.5]]]]}, "2023-11-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[60.25, 30.5], [60.35, 30.75], [60.25, 31.0], [60.35, 31.25], [60.25, 31.5], [60.47, 32.03], [60.82, 32.18], [60.97, 32.53], [61.5, 32.75], [61.8, 32.63], [61.97, 33.03], [62.5, 33.25], [63.03, 33.03], [63.25, 32.5], [63.15, 32.25], [63.25, 32.0], [63.15, 31.75], [63.25, 31.5], [63.03, 30.97], [62.68, 30.82], [62.54, 30.5], [62.75, 30.0], [62.53, 29.47], [62.0, 29.25], [61.75, 29.35], [61.5, 29.25], [61.25, 29.35], [61.0, 29.25], [60.47, 29.47], [60.25, 30.0], [60.35, 30.25], [60.25, 30.5]]]]}, "2023-12-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[60.25, 30.5], [60.35, 30.75], [60.25, 31.0], [60.46, 31.5], [60.25, 32.0], [60.47, 32.53], [61.0, 32.75], [61.53, 32.53], [61.68, 32.18], [61.75, 32.15], [62.0, 32.25], [62.53, 32.03], [62.75, 31.5], [62.65, 31.25], [62.75, 31.0], [62.53, 30.47], [62.13, 30.3], [62.25, 30.0], [62.03, 29.47], [61.5, 29.25], [61.25, 29.35], [61.0, 29.25], [60.47, 29.47], [60.25, 30.0], [60.35, 30.25], [60.25, 30.5]]]]}, "2023-12-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[60.25, 30.5], [60.35, 30.75], [60.25, 31.0], [60.46, 31.5], [60.25, 32.0], [60.47, 32.53], [61.0, 32.75], [61.53, 32.53], [61.68, 32.18], [62.03, 32.03], [62.18, 31.68], [62.53, 31.53], [62.75, 31.0], [62.53, 30.47], [62.13, 30.3], [62.25, 30.0], [62.03, 29.47], [61.5, 29.25], [61.25, 29.35], [61.0, 29.25], [60.47, 29.47], [60.25, 30.0], [60.35, 30.25], [60.25, 30.5]]]]}, "2023-12-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[60.25, 31.0], [60.46, 31.5], [60.25, 32.0], [60.47, 32.53], [61.0, 32.75], [61.53, 32.53], [61.68, 32.18], [62.03, 32.03], [62.25, 31.5], [62.15, 31.25], [62.25, 31.0], [62.04, 30.5], [62.25, 30.0], [62.03, 29.47], [61.5, 29.25], [60.97, 29.47], [60.82, 29.82], [60.47, 29.97], [60.25, 30.5], [60.35, 30.75], [60.25, 31.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.010879442188525}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.0826111559113585}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [15.082013374965982, 16.20632039887107, 16.694114900646753, 15.66456983422188, 15.565502331549908, 15.773944834829194, 15.711394375681834]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [16.913086478498997, 17.72991757547362, 18.13001590799564, 16.763913185702847, 16.63138282462171, 16.697501043285115, 16.67207095918377]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.827254426211359, 4.321218424371322, 4.839314183186117, 3.5334172983822163, 3.504145708385162, 3.765072092379988, 3.964340800049636]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.497600002370746, 5.632613022100713, 6.010879442188525, 3.9825979318321743, 3.894408169854387, 4.115689874934446, 4.34973459938675]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.190356373910725, 1.459579896481579, 1.731107236672739, 1.322490778113393, 1.280442176476508, 1.302482638222231, 1.3021577905078814]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3489746773592513, 1.7707534118069457, 2.052573462362265, 1.5698408585764403, 1.4340044845535875, 1.4118156353824673, 1.4193561337482439]}}