{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:22:35.612731", "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": "2022-Aug-16_to_2022-Aug-18_81.0_19.5"}, "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": 2022080002361}, "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 16 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 18 2022"}, "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": 52507.15108186696}, "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": ["India"]}, "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": 19.5}, "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": 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": 80.5}, "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": 18.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 20.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[79.75, 19.0], [79.85, 19.25], [79.75, 19.5], [79.85, 19.75], [79.75, 20.0], [79.97, 20.53], [80.5, 20.75], [80.75, 20.65], [81.0, 20.75], [81.25, 20.65], [81.32, 20.68], [81.47, 21.03], [82.0, 21.25], [82.53, 21.03], [82.7, 20.63], [83.0, 20.75], [83.53, 20.53], [83.75, 20.0], [83.65, 19.75], [83.75, 19.5], [83.65, 19.25], [83.75, 19.0], [83.65, 18.75], [83.75, 18.5], [83.53, 17.97], [83.0, 17.75], [82.5, 17.96], [82.0, 17.75], [81.47, 17.97], [81.32, 18.32], [81.25, 18.35], [81.18, 18.32], [81.15, 18.25], [81.25, 18.0], [81.03, 17.47], [80.5, 17.25], [79.97, 17.47], [79.75, 18.0], [79.85, 18.25], [79.75, 18.5], [79.85, 18.75], [79.75, 19.0]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.75, 18.5], [79.85, 18.75], [79.75, 19.0], [79.85, 19.25], [79.75, 19.5], [79.85, 19.75], [79.75, 20.0], [79.97, 20.53], [80.5, 20.75], [80.75, 20.65], [81.0, 20.75], [81.25, 20.65], [81.32, 20.68], [81.47, 21.03], [82.0, 21.25], [82.53, 21.03], [82.7, 20.63], [83.0, 20.75], [83.53, 20.53], [83.75, 20.0], [83.65, 19.75], [83.75, 19.5], [83.65, 19.25], [83.75, 19.0], [83.65, 18.75], [83.75, 18.5], [83.53, 17.97], [83.0, 17.75], [82.5, 17.96], [82.0, 17.75], [81.47, 17.97], [81.32, 18.32], [81.25, 18.35], [81.18, 18.32], [81.15, 18.25], [81.25, 18.0], [81.03, 17.47], [80.5, 17.25], [79.97, 17.47], [79.75, 18.0], [79.85, 18.25], [79.75, 18.5]]]]}, "2022-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.75, 18.5], [79.85, 18.75], [79.75, 19.0], [79.85, 19.25], [79.75, 19.5], [79.85, 19.75], [79.75, 20.0], [79.97, 20.53], [80.5, 20.75], [80.75, 20.65], [81.0, 20.75], [81.25, 20.65], [81.32, 20.68], [81.47, 21.03], [82.0, 21.25], [82.53, 21.03], [82.7, 20.63], [83.0, 20.75], [83.53, 20.53], [83.75, 20.0], [83.65, 19.75], [83.75, 19.5], [83.65, 19.25], [83.75, 19.0], [83.65, 18.75], [83.75, 18.5], [83.53, 17.97], [83.0, 17.75], [82.5, 17.96], [82.0, 17.75], [81.47, 17.97], [81.32, 18.32], [81.25, 18.35], [81.18, 18.32], [81.15, 18.25], [81.25, 18.0], [81.03, 17.47], [80.5, 17.25], [79.97, 17.47], [79.75, 18.0], [79.85, 18.25], [79.75, 18.5]]]]}, "2022-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.75, 18.5], [79.85, 18.75], [79.75, 19.0], [79.85, 19.25], [79.75, 19.5], [79.85, 19.75], [79.75, 20.0], [79.97, 20.53], [80.5, 20.75], [80.75, 20.65], [81.0, 20.75], [81.25, 20.65], [81.32, 20.68], [81.47, 21.03], [82.0, 21.25], [82.53, 21.03], [82.7, 20.63], [83.0, 20.75], [83.53, 20.53], [83.75, 20.0], [83.65, 19.75], [83.75, 19.5], [83.65, 19.25], [83.75, 19.0], [83.65, 18.75], [83.75, 18.5], [83.53, 17.97], [83.0, 17.75], [82.5, 17.96], [82.0, 17.75], [81.47, 17.97], [81.32, 18.32], [81.25, 18.35], [81.18, 18.32], [81.15, 18.25], [81.25, 18.0], [81.03, 17.47], [80.5, 17.25], [79.97, 17.47], [79.75, 18.0], [79.85, 18.25], [79.75, 18.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.788515789088592}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.0579735189833013}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.091905348488467, 27.741451322581156, 27.495502813062558]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.449358288718997, 30.102762933399106, 29.756734793345515]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6507141906371254, 2.345828887073506, 2.1773774792392735]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9574394850255885, 2.788515789088592, 2.7582455720583425]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.421260243757118, 1.952961320627549, 1.6920577729165949]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7111665950378532, 2.301078760347313, 1.9366063074514324]}}