{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:53:29.312194", "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-May-15_to_2023-May-18_80.5_41.0"}, "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": 2023050002049}, "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 15 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 18 2023"}, "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": 227538.11280555557}, "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", "Kyrgyzstan"]}, "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": 41.0}, "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": 80.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "80.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 77.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 86.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 38.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 42.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[76.85, 40.25], [76.75, 40.5], [76.97, 41.03], [77.32, 41.18], [77.47, 41.53], [77.82, 41.68], [77.97, 42.03], [78.32, 42.18], [78.47, 42.53], [79.0, 42.75], [79.25, 42.65], [79.5, 42.75], [79.75, 42.65], [80.0, 42.75], [80.5, 42.54], [81.0, 42.75], [81.25, 42.65], [81.5, 42.75], [81.75, 42.65], [82.0, 42.75], [82.53, 42.53], [82.68, 42.18], [83.03, 42.03], [83.18, 41.68], [83.53, 41.53], [83.75, 41.0], [83.65, 40.75], [83.68, 40.68], [83.75, 40.65], [84.0, 40.75], [84.53, 40.53], [84.68, 40.18], [85.03, 40.03], [85.18, 39.68], [85.25, 39.65], [85.5, 39.75], [85.75, 39.65], [86.0, 39.75], [86.53, 39.53], [86.75, 39.0], [86.53, 38.47], [86.0, 38.25], [85.75, 38.35], [85.5, 38.25], [85.25, 38.35], [85.18, 38.32], [85.03, 37.97], [84.5, 37.75], [84.25, 37.85], [84.0, 37.75], [83.47, 37.97], [83.32, 38.32], [83.25, 38.35], [83.0, 38.25], [82.75, 38.35], [82.5, 38.25], [82.25, 38.35], [82.0, 38.25], [81.75, 38.35], [81.68, 38.32], [81.53, 37.97], [81.0, 37.75], [80.47, 37.97], [80.32, 38.32], [80.25, 38.35], [80.13, 38.3], [80.25, 38.0], [80.03, 37.47], [79.5, 37.25], [79.25, 37.35], [79.0, 37.25], [78.75, 37.35], [78.5, 37.25], [78.25, 37.35], [78.0, 37.25], [77.75, 37.35], [77.5, 37.25], [76.97, 37.47], [76.82, 37.82], [76.47, 37.97], [76.25, 38.5], [76.46, 39.0], [76.25, 39.5], [76.47, 40.03], [76.82, 40.18], [76.85, 40.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.C.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-05-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.25, 41.5], [78.47, 42.03], [79.0, 42.25], [79.25, 42.15], [79.5, 42.25], [80.03, 42.03], [80.18, 41.68], [80.25, 41.65], [80.38, 41.7], [80.25, 42.0], [80.47, 42.53], [81.0, 42.75], [81.53, 42.53], [81.75, 42.0], [81.53, 41.47], [81.13, 41.3], [81.2, 41.13], [81.5, 41.25], [81.93, 41.07], [81.75, 41.5], [81.97, 42.03], [82.5, 42.25], [83.03, 42.03], [83.25, 41.5], [83.03, 40.97], [82.5, 40.75], [82.07, 40.93], [82.25, 40.5], [82.03, 39.97], [81.5, 39.75], [80.97, 39.97], [80.8, 40.38], [80.5, 40.25], [80.25, 40.35], [80.0, 40.25], [79.75, 40.35], [79.5, 40.25], [79.25, 40.35], [79.0, 40.25], [78.47, 40.47], [78.25, 41.0], [78.35, 41.25], [78.25, 41.5]]]]}, "2023-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.25, 39.5], [76.47, 40.03], [76.82, 40.18], [76.85, 40.25], [76.75, 40.5], [76.97, 41.03], [77.32, 41.18], [77.47, 41.53], [77.82, 41.68], [77.97, 42.03], [78.32, 42.18], [78.47, 42.53], [79.0, 42.75], [79.25, 42.65], [79.5, 42.75], [79.75, 42.65], [80.0, 42.75], [80.5, 42.54], [81.0, 42.75], [81.25, 42.65], [81.5, 42.75], [81.75, 42.65], [82.0, 42.75], [82.53, 42.53], [82.68, 42.18], [83.03, 42.03], [83.18, 41.68], [83.53, 41.53], [83.75, 41.0], [83.65, 40.75], [83.68, 40.68], [83.75, 40.65], [84.0, 40.75], [84.53, 40.53], [84.68, 40.18], [85.03, 40.03], [85.18, 39.68], [85.25, 39.65], [85.5, 39.75], [85.75, 39.65], [86.0, 39.75], [86.53, 39.53], [86.75, 39.0], [86.53, 38.47], [86.0, 38.25], [85.75, 38.35], [85.5, 38.25], [85.25, 38.35], [85.18, 38.32], [85.03, 37.97], [84.5, 37.75], [84.25, 37.85], [84.0, 37.75], [83.47, 37.97], [83.32, 38.32], [83.25, 38.35], [83.0, 38.25], [82.75, 38.35], [82.5, 38.25], [82.25, 38.35], [82.0, 38.25], [81.75, 38.35], [81.68, 38.32], [81.53, 37.97], [81.0, 37.75], [80.47, 37.97], [80.32, 38.32], [80.25, 38.35], [80.13, 38.3], [80.25, 38.0], [80.03, 37.47], [79.5, 37.25], [79.25, 37.35], [79.0, 37.25], [78.75, 37.35], [78.5, 37.25], [78.25, 37.35], [78.0, 37.25], [77.75, 37.35], [77.5, 37.25], [76.97, 37.47], [76.82, 37.82], [76.47, 37.97], [76.25, 38.5], [76.46, 39.0], [76.25, 39.5]]]]}, "2023-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.25, 39.5], [76.47, 40.03], [76.82, 40.18], [76.85, 40.25], [76.75, 40.5], [76.97, 41.03], [77.32, 41.18], [77.47, 41.53], [77.82, 41.68], [77.97, 42.03], [78.32, 42.18], [78.47, 42.53], [79.0, 42.75], [79.25, 42.65], [79.5, 42.75], [79.75, 42.65], [80.0, 42.75], [80.5, 42.54], [81.0, 42.75], [81.25, 42.65], [81.5, 42.75], [81.75, 42.65], [82.0, 42.75], [82.53, 42.53], [82.68, 42.18], [83.03, 42.03], [83.18, 41.68], [83.53, 41.53], [83.75, 41.0], [83.65, 40.75], [83.68, 40.68], [83.75, 40.65], [84.0, 40.75], [84.53, 40.53], [84.68, 40.18], [85.03, 40.03], [85.18, 39.68], [85.25, 39.65], [85.5, 39.75], [85.75, 39.65], [86.0, 39.75], [86.53, 39.53], [86.75, 39.0], [86.53, 38.47], [86.0, 38.25], [85.75, 38.35], [85.5, 38.25], [85.25, 38.35], [85.18, 38.32], [85.03, 37.97], [84.5, 37.75], [84.25, 37.85], [84.0, 37.75], [83.47, 37.97], [83.32, 38.32], [83.25, 38.35], [83.0, 38.25], [82.75, 38.35], [82.5, 38.25], [82.25, 38.35], [82.0, 38.25], [81.75, 38.35], [81.68, 38.32], [81.53, 37.97], [81.0, 37.75], [80.47, 37.97], [80.32, 38.32], [80.25, 38.35], [80.13, 38.3], [80.25, 38.0], [80.03, 37.47], [79.5, 37.25], [79.25, 37.35], [79.0, 37.25], [78.75, 37.35], [78.5, 37.25], [78.25, 37.35], [78.0, 37.25], [77.75, 37.35], [77.5, 37.25], [76.97, 37.47], [76.82, 37.82], [76.47, 37.97], [76.25, 38.5], [76.46, 39.0], [76.25, 39.5]]]]}, "2023-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.25, 39.5], [76.47, 40.03], [76.82, 40.18], [76.85, 40.25], [76.75, 40.5], [76.97, 41.03], [77.32, 41.18], [77.47, 41.53], [77.82, 41.68], [77.97, 42.03], [78.32, 42.18], [78.47, 42.53], [79.0, 42.75], [79.25, 42.65], [79.5, 42.75], [79.75, 42.65], [80.0, 42.75], [80.5, 42.54], [81.0, 42.75], [81.25, 42.65], [81.5, 42.75], [81.75, 42.65], [82.0, 42.75], [82.53, 42.53], [82.68, 42.18], [83.03, 42.03], [83.18, 41.68], [83.53, 41.53], [83.75, 41.0], [83.65, 40.75], [83.68, 40.68], [83.75, 40.65], [84.0, 40.75], [84.53, 40.53], [84.68, 40.18], [85.03, 40.03], [85.18, 39.68], [85.25, 39.65], [85.5, 39.75], [85.75, 39.65], [86.0, 39.75], [86.53, 39.53], [86.75, 39.0], [86.53, 38.47], [86.0, 38.25], [85.75, 38.35], [85.5, 38.25], [85.25, 38.35], [85.18, 38.32], [85.03, 37.97], [84.5, 37.75], [84.25, 37.85], [84.0, 37.75], [83.47, 37.97], [83.32, 38.32], [83.25, 38.35], [83.0, 38.25], [82.75, 38.35], [82.5, 38.25], [82.25, 38.35], [82.0, 38.25], [81.75, 38.35], [81.68, 38.32], [81.53, 37.97], [81.0, 37.75], [80.47, 37.97], [80.32, 38.32], [80.25, 38.35], [80.13, 38.3], [80.25, 38.0], [80.03, 37.47], [79.5, 37.25], [79.25, 37.35], [79.0, 37.25], [78.75, 37.35], [78.5, 37.25], [78.25, 37.35], [78.0, 37.25], [77.75, 37.35], [77.5, 37.25], [76.97, 37.47], [76.82, 37.82], [76.47, 37.97], [76.25, 38.5], [76.46, 39.0], [76.25, 39.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.346728121035255}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.416426580720199}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.291838765990974, 25.24858327021002, 25.758377574496365, 25.527055230823976]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.57249555247961, 29.207074910957374, 30.000467187178458, 29.995029214886983]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.4881914807471555, 5.316465415873348, 5.684236150305748, 5.335600216603962]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.824582168006145, 6.157176703066227, 7.346728121035255, 6.399200260267378]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3927972335236316, 1.4673856167058812, 1.6004397892219033, 1.5091565071373243]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.450630766753815, 1.8666664954674226, 2.2950083429345027, 1.8844510337558662]}}