{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:54:57.405710", "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-Aug-07_to_2023-Aug-13_80.0_32.5"}, "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": 2023080001446}, "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": "August 07 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 13 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 103653.82330716371}, "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", "India", "Pakistan"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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": 32.5}, "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": 80.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "80.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 73.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 80.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 31.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 34.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[77.25, 33.65], [77.5, 33.75], [78.03, 33.53], [78.18, 33.18], [78.3, 33.13], [78.35, 33.25], [78.25, 33.5], [78.47, 34.03], [79.0, 34.25], [79.53, 34.03], [79.68, 33.68], [80.03, 33.53], [80.18, 33.18], [80.25, 33.15], [80.5, 33.25], [81.03, 33.03], [81.25, 32.5], [81.03, 31.97], [80.68, 31.82], [80.53, 31.47], [80.13, 31.3], [80.25, 31.0], [80.03, 30.47], [79.5, 30.25], [78.97, 30.47], [78.82, 30.82], [78.75, 30.85], [78.5, 30.75], [77.97, 30.97], [77.75, 31.5], [77.85, 31.75], [77.82, 31.82], [77.75, 31.85], [77.68, 31.82], [77.53, 31.47], [77.0, 31.25], [76.47, 31.47], [76.32, 31.82], [76.25, 31.85], [76.0, 31.75], [75.47, 31.97], [75.32, 32.32], [75.25, 32.35], [75.0, 32.25], [74.47, 32.47], [74.32, 32.82], [73.97, 32.97], [73.82, 33.32], [73.75, 33.35], [73.5, 33.25], [72.97, 33.47], [72.75, 34.0], [72.85, 34.25], [72.75, 34.5], [72.97, 35.03], [73.5, 35.25], [74.0, 35.04], [74.5, 35.25], [74.75, 35.15], [75.0, 35.25], [75.25, 35.15], [75.5, 35.25], [76.03, 35.03], [76.18, 34.68], [76.53, 34.53], [76.68, 34.18], [77.03, 34.03], [77.18, 33.68], [77.25, 33.65]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.C.Asia", "Tibetan-Plateau"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.0, 31.75], [79.47, 31.97], [79.25, 32.5], [79.47, 33.03], [80.0, 33.25], [80.25, 33.15], [80.5, 33.25], [81.03, 33.03], [81.25, 32.5], [81.03, 31.97], [80.5, 31.75], [80.25, 31.85], [80.0, 31.75]]]]}, "2023-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.0, 31.75], [79.47, 31.97], [79.25, 32.5], [79.47, 33.03], [80.0, 33.25], [80.25, 33.15], [80.5, 33.25], [81.03, 33.03], [81.25, 32.5], [81.03, 31.97], [80.5, 31.75], [80.25, 31.85], [80.0, 31.75]]]]}, "2023-08-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.47, 33.53], [79.0, 33.75], [79.25, 33.65], [79.5, 33.75], [80.03, 33.53], [80.18, 33.18], [80.25, 33.15], [80.5, 33.25], [81.03, 33.03], [81.25, 32.5], [81.03, 31.97], [80.5, 31.75], [80.25, 31.85], [80.0, 31.75], [79.75, 31.85], [79.68, 31.82], [79.53, 31.47], [79.0, 31.25], [78.47, 31.47], [78.25, 32.0], [78.46, 32.5], [78.25, 33.0], [78.47, 33.53]]], [[[77.0, 32.25], [76.47, 32.47], [76.25, 33.0], [76.47, 33.53], [77.0, 33.75], [77.53, 33.53], [77.75, 33.0], [77.53, 32.47], [77.0, 32.25]]]]}, "2023-08-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[75.97, 33.53], [76.5, 33.75], [76.75, 33.65], [77.0, 33.75], [77.53, 33.53], [77.75, 33.0], [77.54, 32.5], [77.75, 32.0], [77.53, 31.47], [77.0, 31.25], [76.47, 31.47], [76.32, 31.82], [75.97, 31.97], [75.75, 32.5], [75.85, 32.75], [75.75, 33.0], [75.97, 33.53]]], [[[78.47, 33.53], [79.0, 33.75], [79.25, 33.65], [79.5, 33.75], [80.03, 33.53], [80.18, 33.18], [80.53, 33.03], [80.75, 32.5], [80.53, 31.97], [80.0, 31.75], [79.75, 31.85], [79.68, 31.82], [79.53, 31.47], [79.0, 31.25], [78.47, 31.47], [78.25, 32.0], [78.46, 32.5], [78.25, 33.0], [78.47, 33.53]]]]}, "2023-08-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[72.75, 34.5], [72.97, 35.03], [73.5, 35.25], [74.0, 35.04], [74.5, 35.25], [74.75, 35.15], [75.0, 35.25], [75.25, 35.15], [75.5, 35.25], [76.03, 35.03], [76.18, 34.68], [76.53, 34.53], [76.68, 34.18], [77.03, 34.03], [77.18, 33.68], [77.25, 33.65], [77.5, 33.75], [78.03, 33.53], [78.18, 33.18], [78.3, 33.13], [78.35, 33.25], [78.25, 33.5], [78.47, 34.03], [79.0, 34.25], [79.53, 34.03], [79.68, 33.68], [80.03, 33.53], [80.18, 33.18], [80.53, 33.03], [80.75, 32.5], [80.65, 32.25], [80.75, 32.0], [80.53, 31.47], [80.13, 31.3], [80.25, 31.0], [80.03, 30.47], [79.5, 30.25], [78.97, 30.47], [78.82, 30.82], [78.75, 30.85], [78.5, 30.75], [77.97, 30.97], [77.75, 31.5], [77.85, 31.75], [77.82, 31.82], [77.75, 31.85], [77.68, 31.82], [77.53, 31.47], [77.0, 31.25], [76.47, 31.47], [76.32, 31.82], [76.25, 31.85], [76.0, 31.75], [75.47, 31.97], [75.32, 32.32], [75.25, 32.35], [75.0, 32.25], [74.47, 32.47], [74.32, 32.82], [73.97, 32.97], [73.82, 33.32], [73.75, 33.35], [73.5, 33.25], [72.97, 33.47], [72.75, 34.0], [72.85, 34.25], [72.75, 34.5]]]]}, "2023-08-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[72.75, 34.5], [72.97, 35.03], [73.5, 35.25], [74.0, 35.04], [74.5, 35.25], [74.75, 35.15], [75.0, 35.25], [75.25, 35.15], [75.5, 35.25], [76.03, 35.03], [76.18, 34.68], [76.53, 34.53], [76.68, 34.18], [77.03, 34.03], [77.18, 33.68], [77.25, 33.65], [77.5, 33.75], [78.03, 33.53], [78.18, 33.18], [78.3, 33.13], [78.35, 33.25], [78.25, 33.5], [78.47, 34.03], [79.0, 34.25], [79.53, 34.03], [79.68, 33.68], [80.03, 33.53], [80.18, 33.18], [80.53, 33.03], [80.75, 32.5], [80.65, 32.25], [80.75, 32.0], [80.53, 31.47], [80.13, 31.3], [80.25, 31.0], [80.03, 30.47], [79.5, 30.25], [78.97, 30.47], [78.82, 30.82], [78.75, 30.85], [78.5, 30.75], [77.97, 30.97], [77.75, 31.5], [77.85, 31.75], [77.82, 31.82], [77.75, 31.85], [77.68, 31.82], [77.53, 31.47], [77.0, 31.25], [76.47, 31.47], [76.32, 31.82], [76.25, 31.85], [76.0, 31.75], [75.47, 31.97], [75.32, 32.32], [75.25, 32.35], [75.0, 32.25], [74.47, 32.47], [74.32, 32.82], [73.97, 32.97], [73.82, 33.32], [73.75, 33.35], [73.5, 33.25], [72.97, 33.47], [72.75, 34.0], [72.85, 34.25], [72.75, 34.5]]]]}, "2023-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[72.75, 34.5], [72.97, 35.03], [73.5, 35.25], [74.0, 35.04], [74.5, 35.25], [74.75, 35.15], [75.0, 35.25], [75.25, 35.15], [75.5, 35.25], [76.03, 35.03], [76.18, 34.68], [76.53, 34.53], [76.68, 34.18], [77.03, 34.03], [77.18, 33.68], [77.25, 33.65], [77.5, 33.75], [78.03, 33.53], [78.18, 33.18], [78.3, 33.13], [78.35, 33.25], [78.25, 33.5], [78.47, 34.03], [79.0, 34.25], [79.53, 34.03], [79.68, 33.68], [80.03, 33.53], [80.18, 33.18], [80.53, 33.03], [80.75, 32.5], [80.65, 32.25], [80.75, 32.0], [80.53, 31.47], [80.13, 31.3], [80.25, 31.0], [80.03, 30.47], [79.5, 30.25], [78.97, 30.47], [78.82, 30.82], [78.75, 30.85], [78.5, 30.75], [77.97, 30.97], [77.75, 31.5], [77.85, 31.75], [77.82, 31.82], [77.75, 31.85], [77.68, 31.82], [77.53, 31.47], [77.0, 31.25], [76.47, 31.47], [76.32, 31.82], [76.25, 31.85], [76.0, 31.75], [75.47, 31.97], [75.32, 32.32], [75.25, 32.35], [75.0, 32.25], [74.47, 32.47], [74.32, 32.82], [73.97, 32.97], [73.82, 33.32], [73.75, 33.35], [73.5, 33.25], [72.97, 33.47], [72.75, 34.0], [72.85, 34.25], [72.75, 34.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.403348164087902}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.7450438231866547}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [13.586418283868795, 13.946338515753439, 12.16816166772611, 12.875296698784837, 14.602833077579987, 14.737171508372057, 15.201895941886448]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [14.761417013315906, 15.07742853482938, 15.835806989027276, 18.990920464979524, 26.947621561147685, 27.18073540537773, 27.257401407613088]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.6013415043344708, 2.9977620507140443, 3.0726573770311267, 2.405674329940849, 2.4258163055698527, 2.6270259805858407, 3.196212228146593]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.608765366612829, 3.025042075774877, 3.8594391325782453, 3.604169179159669, 3.670102276192381, 4.076707049565414, 5.403348164087902]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.371612933203944, 1.6278313423856137, 1.7476851697386018, 1.4576502679939878, 1.4691270341190232, 1.567278113307812, 1.8621267041987892]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3830638117983667, 1.6548108405707, 2.135389863269936, 1.8158037634095479, 1.908653543748054, 2.253446939135718, 2.740372191916576]}}