{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:25:55.468936", "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-May-28_to_2021-May-30_83.0_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": 2021050002811}, "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": "May 28 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 30 2021"}, "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": 55704.68709919657}, "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": 83.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "83.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 80.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 85.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 37.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 39.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-05-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.75, 38.5], [80.85, 38.75], [80.75, 39.0], [80.97, 39.53], [81.5, 39.75], [81.75, 39.65], [82.0, 39.75], [82.25, 39.65], [82.5, 39.75], [82.75, 39.65], [83.0, 39.75], [83.25, 39.65], [83.5, 39.75], [83.75, 39.65], [84.0, 39.75], [84.53, 39.53], [84.68, 39.18], [84.75, 39.15], [85.0, 39.25], [85.25, 39.15], [85.5, 39.25], [86.03, 39.03], [86.25, 38.5], [86.03, 37.97], [85.5, 37.75], [85.25, 37.85], [85.0, 37.75], [84.75, 37.85], [84.68, 37.82], [84.53, 37.47], [84.0, 37.25], [83.75, 37.35], [83.5, 37.25], [83.25, 37.35], [83.18, 37.32], [83.03, 36.97], [82.5, 36.75], [81.97, 36.97], [81.82, 37.32], [81.75, 37.35], [81.68, 37.32], [81.53, 36.97], [81.0, 36.75], [80.47, 36.97], [80.25, 37.5], [80.47, 38.03], [80.82, 38.18], [80.85, 38.25], [80.75, 38.5]]]]}, "2021-05-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.75, 38.5], [80.85, 38.75], [80.75, 39.0], [80.97, 39.53], [81.5, 39.75], [81.75, 39.65], [82.0, 39.75], [82.25, 39.65], [82.5, 39.75], [82.75, 39.65], [83.0, 39.75], [83.25, 39.65], [83.5, 39.75], [83.75, 39.65], [84.0, 39.75], [84.53, 39.53], [84.68, 39.18], [84.75, 39.15], [85.0, 39.25], [85.25, 39.15], [85.5, 39.25], [86.03, 39.03], [86.25, 38.5], [86.03, 37.97], [85.5, 37.75], [85.25, 37.85], [85.0, 37.75], [84.75, 37.85], [84.68, 37.82], [84.53, 37.47], [84.0, 37.25], [83.75, 37.35], [83.5, 37.25], [83.25, 37.35], [83.18, 37.32], [83.03, 36.97], [82.5, 36.75], [81.97, 36.97], [81.82, 37.32], [81.75, 37.35], [81.68, 37.32], [81.53, 36.97], [81.0, 36.75], [80.47, 36.97], [80.25, 37.5], [80.47, 38.03], [80.82, 38.18], [80.85, 38.25], [80.75, 38.5]]]]}, "2021-05-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.75, 38.5], [80.85, 38.75], [80.75, 39.0], [80.97, 39.53], [81.5, 39.75], [81.75, 39.65], [82.0, 39.75], [82.25, 39.65], [82.5, 39.75], [82.75, 39.65], [83.0, 39.75], [83.25, 39.65], [83.5, 39.75], [83.75, 39.65], [84.0, 39.75], [84.53, 39.53], [84.68, 39.18], [84.75, 39.15], [85.0, 39.25], [85.25, 39.15], [85.5, 39.25], [86.03, 39.03], [86.25, 38.5], [86.03, 37.97], [85.5, 37.75], [85.25, 37.85], [85.0, 37.75], [84.75, 37.85], [84.68, 37.82], [84.53, 37.47], [84.0, 37.25], [83.75, 37.35], [83.5, 37.25], [83.25, 37.35], [83.18, 37.32], [83.03, 36.97], [82.5, 36.75], [81.97, 36.97], [81.82, 37.32], [81.75, 37.35], [81.68, 37.32], [81.53, 36.97], [81.0, 36.75], [80.47, 36.97], [80.25, 37.5], [80.47, 38.03], [80.82, 38.18], [80.85, 38.25], [80.75, 38.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.12385932179734}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.906610208780986}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.98762061956137, 30.31327849069112, 29.758140089939445]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.619947732742617, 30.90290479699189, 30.65013304615462]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.407374940386416, 5.50579041753084, 4.806665268425703]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.875162476800597, 6.12385932179734, 5.826156311520094]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4589640974641325, 1.8228242593631507, 1.5715640774506565]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.592370991037689, 1.926932060924433, 1.9124238586013171]}}