{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:17:54.689802", "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": "2018-Aug-21_to_2018-Aug-24_86.0_19.0"}, "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": 2018080002703}, "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 21 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 24 2018"}, "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": 72779.3465635874}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": ["Bay of Bengal"]}, "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": 19.0}, "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": 86.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "86.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 83.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 88.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 17.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[84.32, 19.18], [84.35, 19.25], [84.25, 19.5], [84.47, 20.03], [84.82, 20.18], [84.97, 20.53], [85.5, 20.75], [86.0, 20.54], [86.32, 20.68], [86.35, 20.75], [86.25, 21.0], [86.47, 21.53], [86.82, 21.68], [86.97, 22.03], [87.5, 22.25], [88.03, 22.03], [88.18, 21.68], [88.53, 21.53], [88.75, 21.0], [88.65, 20.75], [88.75, 20.5], [88.53, 19.97], [88.0, 19.75], [87.75, 19.85], [87.68, 19.82], [87.53, 19.47], [87.18, 19.32], [87.15, 19.25], [87.25, 19.0], [87.03, 18.47], [86.68, 18.32], [86.53, 17.97], [86.0, 17.75], [85.75, 17.85], [85.5, 17.75], [85.25, 17.85], [85.18, 17.82], [85.03, 17.47], [84.5, 17.25], [84.25, 17.35], [84.0, 17.25], [83.47, 17.47], [83.25, 18.0], [83.47, 18.53], [83.82, 18.68], [83.97, 19.03], [84.32, 19.18]]]]}, "2018-08-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[84.32, 19.18], [84.35, 19.25], [84.25, 19.5], [84.47, 20.03], [84.82, 20.18], [84.97, 20.53], [85.5, 20.75], [85.8, 20.63], [85.97, 21.03], [86.32, 21.18], [86.47, 21.53], [86.82, 21.68], [86.97, 22.03], [87.5, 22.25], [88.03, 22.03], [88.18, 21.68], [88.53, 21.53], [88.75, 21.0], [88.65, 20.75], [88.75, 20.5], [88.53, 19.97], [88.0, 19.75], [87.75, 19.85], [87.68, 19.82], [87.53, 19.47], [87.18, 19.32], [87.15, 19.25], [87.25, 19.0], [87.03, 18.47], [86.68, 18.32], [86.53, 17.97], [86.0, 17.75], [85.75, 17.85], [85.5, 17.75], [85.25, 17.85], [85.18, 17.82], [85.03, 17.47], [84.5, 17.25], [84.25, 17.35], [84.0, 17.25], [83.47, 17.47], [83.25, 18.0], [83.47, 18.53], [83.82, 18.68], [83.97, 19.03], [84.32, 19.18]]]]}, "2018-08-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[84.32, 19.18], [84.35, 19.25], [84.25, 19.5], [84.47, 20.03], [84.82, 20.18], [84.97, 20.53], [85.5, 20.75], [85.8, 20.63], [85.97, 21.03], [86.32, 21.18], [86.47, 21.53], [86.82, 21.68], [86.97, 22.03], [87.5, 22.25], [88.03, 22.03], [88.18, 21.68], [88.53, 21.53], [88.75, 21.0], [88.65, 20.75], [88.75, 20.5], [88.53, 19.97], [88.0, 19.75], [87.75, 19.85], [87.68, 19.82], [87.53, 19.47], [87.18, 19.32], [87.15, 19.25], [87.25, 19.0], [87.03, 18.47], [86.68, 18.32], [86.53, 17.97], [86.0, 17.75], [85.75, 17.85], [85.5, 17.75], [85.25, 17.85], [85.18, 17.82], [85.03, 17.47], [84.5, 17.25], [84.25, 17.35], [84.0, 17.25], [83.47, 17.47], [83.25, 18.0], [83.47, 18.53], [83.82, 18.68], [83.97, 19.03], [84.32, 19.18]]]]}, "2018-08-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[86.5, 21.25], [87.03, 21.03], [87.25, 20.5], [87.03, 19.97], [86.5, 19.75], [85.97, 19.97], [85.75, 20.5], [85.97, 21.03], [86.5, 21.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.642565141972966}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1223888487400988}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.20835715819743, 29.715403821485722, 29.410625542281196, 29.75042503098905]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.847991450426605, 30.184752962678715, 29.901164320782243, 29.75042503098905]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8854582983570675, 1.3837138350642748, 1.0859745426845324, 1.1859550512176043]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3833141208136226, 1.642565141972966, 1.5719428198312926, 1.1859550512176043]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6118975916169458, 2.414893423021598, 1.840331959826945, 1.3396803376532667]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.351021639153857, 2.9159930355217303, 2.3312819964651323, 1.3396803376532667]}}