{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:26:40.403160", "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": "2021-Jul-08_to_2021-Jul-11_76.0_38.5"}, "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": 2021070001824}, "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": "July 08 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 11 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 86891.49613419345}, "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": ["China"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.C.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": 38.5}, "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": 76.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "76.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 75.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 80.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 36.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 40.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.75, 39.0], [74.97, 39.53], [75.5, 39.75], [75.75, 39.65], [76.0, 39.75], [76.53, 39.53], [76.75, 39.0], [76.65, 38.75], [76.75, 38.5], [76.53, 37.97], [76.0, 37.75], [75.47, 37.97], [75.32, 38.32], [74.97, 38.47], [74.75, 39.0]]]]}, "2021-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.85, 38.75], [74.75, 39.0], [74.97, 39.53], [75.5, 39.75], [75.75, 39.65], [75.82, 39.68], [75.97, 40.03], [76.5, 40.25], [76.75, 40.15], [77.0, 40.25], [77.25, 40.15], [77.5, 40.25], [77.75, 40.15], [78.0, 40.25], [78.25, 40.15], [78.32, 40.18], [78.35, 40.25], [78.25, 40.5], [78.47, 41.03], [79.0, 41.25], [79.53, 41.03], [79.7, 40.63], [80.0, 40.75], [80.25, 40.65], [80.5, 40.75], [81.03, 40.53], [81.25, 40.0], [81.03, 39.47], [80.68, 39.32], [80.53, 38.97], [80.0, 38.75], [79.75, 38.85], [79.5, 38.75], [79.25, 38.85], [79.18, 38.82], [79.15, 38.75], [79.25, 38.5], [79.15, 38.25], [79.25, 38.0], [79.03, 37.47], [78.68, 37.32], [78.53, 36.97], [78.18, 36.82], [78.03, 36.47], [77.5, 36.25], [77.25, 36.35], [77.0, 36.25], [76.47, 36.47], [76.32, 36.82], [76.25, 36.85], [76.0, 36.75], [75.47, 36.97], [75.32, 37.32], [74.97, 37.47], [74.75, 38.0], [74.85, 38.25], [74.75, 38.5], [74.85, 38.75]]]]}, "2021-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.85, 38.75], [74.75, 39.0], [74.97, 39.53], [75.5, 39.75], [75.75, 39.65], [75.82, 39.68], [75.97, 40.03], [76.5, 40.25], [76.75, 40.15], [77.0, 40.25], [77.25, 40.15], [77.5, 40.25], [77.75, 40.15], [78.0, 40.25], [78.25, 40.15], [78.32, 40.18], [78.35, 40.25], [78.25, 40.5], [78.47, 41.03], [79.0, 41.25], [79.53, 41.03], [79.7, 40.63], [80.0, 40.75], [80.25, 40.65], [80.5, 40.75], [81.03, 40.53], [81.25, 40.0], [81.03, 39.47], [80.68, 39.32], [80.53, 38.97], [80.0, 38.75], [79.75, 38.85], [79.5, 38.75], [79.25, 38.85], [79.18, 38.82], [79.15, 38.75], [79.25, 38.5], [79.15, 38.25], [79.25, 38.0], [79.03, 37.47], [78.68, 37.32], [78.53, 36.97], [78.18, 36.82], [78.03, 36.47], [77.5, 36.25], [77.25, 36.35], [77.0, 36.25], [76.47, 36.47], [76.32, 36.82], [76.25, 36.85], [76.0, 36.75], [75.47, 36.97], [75.32, 37.32], [74.97, 37.47], [74.75, 38.0], [74.85, 38.25], [74.75, 38.5], [74.85, 38.75]]]]}, "2021-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.85, 38.75], [74.75, 39.0], [74.97, 39.53], [75.5, 39.75], [75.75, 39.65], [75.82, 39.68], [75.97, 40.03], [76.5, 40.25], [76.75, 40.15], [77.0, 40.25], [77.25, 40.15], [77.5, 40.25], [77.75, 40.15], [78.0, 40.25], [78.25, 40.15], [78.32, 40.18], [78.35, 40.25], [78.25, 40.5], [78.47, 41.03], [79.0, 41.25], [79.53, 41.03], [79.7, 40.63], [80.0, 40.75], [80.25, 40.65], [80.5, 40.75], [81.03, 40.53], [81.25, 40.0], [81.03, 39.47], [80.68, 39.32], [80.53, 38.97], [80.0, 38.75], [79.75, 38.85], [79.5, 38.75], [79.25, 38.85], [79.18, 38.82], [79.15, 38.75], [79.25, 38.5], [79.15, 38.25], [79.25, 38.0], [79.03, 37.47], [78.68, 37.32], [78.53, 36.97], [78.18, 36.82], [78.03, 36.47], [77.5, 36.25], [77.25, 36.35], [77.0, 36.25], [76.47, 36.47], [76.32, 36.82], 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4.36918546472686, 3.9815616332275536]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.2915735963289308, 4.706876525253165, 5.507496982067664, 4.951562737277925]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3917025593637458, 1.4663942550005669, 1.6320743798891761, 1.4976450382490731]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4119607745759304, 1.958959536908165, 2.165693917876996, 2.25010663302885]}}