{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:59:28.422053", "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": "2024-Jun-15_to_2024-Jun-17_81.0_38.0"}, "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": 2024060001863}, "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 15 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 17 2024"}, "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": 55871.68145881455}, "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"]}, "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": 38.0}, "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": 81.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "81.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 79.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 83.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 37.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 39.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[78.47, 39.03], [78.82, 39.18], [78.97, 39.53], [79.5, 39.75], [79.75, 39.65], [80.0, 39.75], [80.25, 39.65], [80.5, 39.75], [81.03, 39.53], [81.18, 39.18], [81.25, 39.15], [81.5, 39.25], [81.75, 39.15], [82.0, 39.25], [82.5, 39.04], [83.0, 39.25], [83.53, 39.03], [83.75, 38.5], [83.53, 37.97], [83.18, 37.82], [83.15, 37.75], [83.25, 37.5], [83.03, 36.97], [82.5, 36.75], [82.25, 36.85], [82.0, 36.75], [81.75, 36.85], [81.5, 36.75], [81.25, 36.85], [81.0, 36.75], [80.75, 36.85], [80.5, 36.75], [79.97, 36.97], [79.82, 37.32], [79.75, 37.35], [79.5, 37.25], [78.97, 37.47], [78.82, 37.82], [78.47, 37.97], [78.25, 38.5], [78.47, 39.03]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.C.Asia", "Tibetan-Plateau"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.47, 37.97], [78.25, 38.5], [78.47, 39.03], [78.82, 39.18], [78.97, 39.53], [79.5, 39.75], [79.75, 39.65], [80.0, 39.75], [80.25, 39.65], [80.5, 39.75], [81.03, 39.53], [81.18, 39.18], [81.25, 39.15], [81.5, 39.25], [81.75, 39.15], [82.0, 39.25], [82.5, 39.04], [83.0, 39.25], [83.53, 39.03], [83.75, 38.5], [83.53, 37.97], [83.18, 37.82], [83.15, 37.75], [83.25, 37.5], [83.03, 36.97], [82.5, 36.75], [82.25, 36.85], [82.0, 36.75], [81.75, 36.85], [81.5, 36.75], [81.25, 36.85], [81.0, 36.75], [80.75, 36.85], [80.5, 36.75], [79.97, 36.97], [79.82, 37.32], [79.75, 37.35], [79.5, 37.25], [78.97, 37.47], [78.82, 37.82], [78.47, 37.97]]]]}, "2024-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.47, 37.97], [78.25, 38.5], [78.47, 39.03], [78.82, 39.18], [78.97, 39.53], [79.5, 39.75], [79.75, 39.65], [80.0, 39.75], [80.25, 39.65], [80.5, 39.75], [81.03, 39.53], [81.18, 39.18], [81.25, 39.15], [81.5, 39.25], [81.75, 39.15], [82.0, 39.25], [82.5, 39.04], [83.0, 39.25], [83.53, 39.03], [83.75, 38.5], [83.53, 37.97], [83.18, 37.82], [83.15, 37.75], [83.25, 37.5], [83.03, 36.97], [82.5, 36.75], [82.25, 36.85], [82.0, 36.75], [81.75, 36.85], [81.5, 36.75], [81.25, 36.85], [81.0, 36.75], [80.75, 36.85], [80.5, 36.75], [79.97, 36.97], [79.82, 37.32], [79.75, 37.35], [79.5, 37.25], [78.97, 37.47], [78.82, 37.82], [78.47, 37.97]]]]}, "2024-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.47, 37.97], [78.25, 38.5], [78.47, 39.03], [78.82, 39.18], [78.97, 39.53], [79.5, 39.75], [79.75, 39.65], [80.0, 39.75], [80.25, 39.65], [80.5, 39.75], [81.03, 39.53], [81.18, 39.18], [81.25, 39.15], [81.5, 39.25], [81.75, 39.15], [82.0, 39.25], [82.5, 39.04], [83.0, 39.25], [83.53, 39.03], [83.75, 38.5], [83.53, 37.97], [83.18, 37.82], [83.15, 37.75], [83.25, 37.5], [83.03, 36.97], [82.5, 36.75], [82.25, 36.85], [82.0, 36.75], [81.75, 36.85], [81.5, 36.75], [81.25, 36.85], [81.0, 36.75], [80.75, 36.85], [80.5, 36.75], [79.97, 36.97], [79.82, 37.32], [79.75, 37.35], [79.5, 37.25], [78.97, 37.47], [78.82, 37.82], [78.47, 37.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.566501357929042}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.664979155915987}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.792604737020156, 30.693337153966468, 31.57356410142654]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.319189375029964, 31.150915055746907, 32.095833832223036]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.527592489889877, 4.394972474623103, 5.072372503234982]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.9040904775092145, 4.708069504479795, 5.566501357929042]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.305813650939202, 1.3013264937479947, 1.5173334179574092]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4102516971550192, 1.4017493836039712, 1.655530834984616]}}