{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:51:13.578716", "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-Feb-05_to_2023-Feb-11_68.0_26.5"}, "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": 2023020001510}, "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": "February 05 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 11 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": 91693.1657652775}, "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": ["India", "Pakistan"]}, "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": 26.5}, "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": 68.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "68.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 68.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 72.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 24.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 28.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[67.46, 25.0], [67.25, 25.5], [67.35, 25.75], [67.25, 26.0], [67.35, 26.25], [67.25, 26.5], [67.47, 27.03], [67.82, 27.18], [67.97, 27.53], [68.5, 27.75], [68.75, 27.65], [69.0, 27.75], [69.25, 27.65], [69.5, 27.75], [69.75, 27.65], [70.0, 27.75], [70.25, 27.65], [70.5, 27.75], [70.75, 27.65], [70.82, 27.68], [70.97, 28.03], [71.32, 28.18], [71.47, 28.53], [72.0, 28.75], [72.53, 28.53], [72.75, 28.0], [72.53, 27.47], [72.18, 27.32], [72.15, 27.25], [72.25, 27.0], [72.03, 26.47], [71.63, 26.3], [71.75, 26.0], [71.65, 25.75], [71.75, 25.5], [71.53, 24.97], [71.18, 24.82], [71.03, 24.47], [70.68, 24.32], [70.53, 23.97], [70.0, 23.75], [69.75, 23.85], [69.5, 23.75], [69.0, 23.96], [68.5, 23.75], [68.25, 23.85], [68.0, 23.75], [67.47, 23.97], [67.25, 24.5], [67.46, 25.0]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[67.47, 27.03], [68.0, 27.25], [68.53, 27.03], [68.75, 26.5], [68.53, 25.97], [68.0, 25.75], [67.47, 25.97], [67.25, 26.5], [67.47, 27.03]]]]}, "2023-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[67.47, 27.03], [68.0, 27.25], [68.53, 27.03], [68.75, 26.5], [68.53, 25.97], [68.0, 25.75], [67.47, 25.97], [67.25, 26.5], [67.47, 27.03]]]]}, "2023-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[68.47, 27.53], [69.0, 27.75], [69.53, 27.53], [69.75, 27.0], [69.53, 26.47], [69.0, 26.25], [68.7, 26.38], [68.53, 25.97], [68.0, 25.75], [67.47, 25.97], [67.25, 26.5], [67.47, 27.03], [68.0, 27.25], [68.3, 27.13], [68.47, 27.53]]]]}, "2023-02-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[67.25, 26.0], [67.35, 26.25], [67.25, 26.5], [67.47, 27.03], [67.82, 27.18], [67.97, 27.53], [68.5, 27.75], [68.75, 27.65], [69.0, 27.75], [69.25, 27.65], [69.5, 27.75], [69.75, 27.65], [70.0, 27.75], [70.25, 27.65], [70.5, 27.75], [70.75, 27.65], [70.82, 27.68], 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23.845162837780776, 23.435971064914554, 23.571142481334846]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.957898641781924, 21.1597744305962, 21.55534455121534, 24.25582400758202, 24.861384858114434, 25.02714250744725, 23.903489228883757]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.2642373957626774, 3.4092858404244453, 2.8846115743818643, 3.70892590748487, 4.681776995549063, 4.114436783833111, 2.8430133374682214]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.2642373957626774, 3.4092858404244453, 2.9747034845000258, 4.57689487567427, 6.069170647495014, 4.815012380235146, 2.987892476415368]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean 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