{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:34:17.382486", "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-10_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": 2023020001443}, "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 10 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 64000.38478158098}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Asia"]}, "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": 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": 67.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 70.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 24.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 27.25}, "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": [[[[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], [68.0, 27.25]]]]}, "2023-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[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], [68.0, 27.25]]]]}, "2023-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[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], [69.0, 27.75]]]]}, "2023-02-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[67.35, 25.75], [67.25, 26.0], [67.35, 26.25], [67.25, 26.5], [67.47, 27.03], [68.0, 27.25], [68.3, 27.13], [68.47, 27.53], [69.0, 27.75], [69.25, 27.65], [69.5, 27.75], [69.75, 27.65], [70.0, 27.75], [70.53, 27.53], [70.75, 27.0], [70.65, 26.75], [70.75, 26.5], [70.65, 26.25], [70.75, 26.0], [70.63, 25.7], [71.03, 25.53], [71.25, 25.0], [71.03, 24.47], [70.5, 24.25], [70.25, 24.35], [70.0, 24.25], [69.75, 24.35], [69.5, 24.25], [69.25, 24.35], [69.18, 24.32], [69.03, 23.97], [68.5, 23.75], [67.97, 23.97], [67.82, 24.32], [67.47, 24.47], [67.25, 25.0], [67.35, 25.25], [67.25, 25.5], [67.35, 25.75]]]]}, "2023-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[67.35, 25.75], [67.25, 26.0], [67.35, 26.25], [67.25, 26.5], [67.47, 27.03], [68.0, 27.25], [68.3, 27.13], [68.47, 27.53], [69.0, 27.75], [69.25, 27.65], [69.5, 27.75], [69.75, 27.65], [70.0, 27.75], [70.53, 27.53], [70.75, 27.0], [70.65, 26.75], [70.75, 26.5], [70.65, 26.25], [70.75, 26.0], [70.63, 25.7], [71.03, 25.53], [71.25, 25.0], [71.03, 24.47], [70.5, 24.25], [70.25, 24.35], [70.0, 24.25], [69.75, 24.35], [69.5, 24.25], [69.25, 24.35], [69.18, 24.32], [69.03, 23.97], [68.5, 23.75], [67.97, 23.97], [67.82, 24.32], [67.47, 24.47], [67.25, 25.0], [67.35, 25.25], [67.25, 25.5], [67.35, 25.75]]]]}, 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"Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.957898641781924, 21.1597744305962, 21.0698781773566, 22.8297489112706, 23.837462065579928, 23.644687388539865]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.957898641781924, 21.1597744305962, 21.55534455121534, 24.180195417176208, 24.861384858114434, 24.442068557394293]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.2429254339964473, 3.3374389134576177, 2.716396755975836, 3.4916880588100114, 4.375255521526776, 4.043898457760283]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.2429254339964473, 3.3374389134576177, 2.7870011018998184, 4.353765356362487, 5.330873198908364, 4.672121694083842]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4951332524730914, 1.513705231007478, 1.1560188489956822, 1.4457945416282454, 1.769077469219463, 1.6155441477529793]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4951332524730914, 1.513705231007478, 1.1905606525177503, 1.8700252627693414, 2.2224896128777294, 1.8932045771894306]}}