{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:47.220811", "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": "2017-Aug-20_to_2017-Aug-24_85.0_22.0"}, "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": 2017080002469}, "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 20 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 24 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 71825.48356908449}, "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": []}, "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": 22.0}, "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": 85.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "85.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 82.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 86.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 20.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 23.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[85.0, 22.75], [85.53, 22.53], [85.75, 22.0], [85.53, 21.47], [85.0, 21.25], [84.47, 21.47], [84.25, 22.0], [84.47, 22.53], [85.0, 22.75]]]]}, "2017-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[82.47, 22.53], [83.0, 22.75], [83.25, 22.65], [83.5, 22.75], [83.75, 22.65], [83.82, 22.68], [83.97, 23.03], [84.5, 23.25], [84.75, 23.15], [84.82, 23.18], [84.97, 23.53], [85.5, 23.75], [86.03, 23.53], [86.18, 23.18], [86.53, 23.03], [86.75, 22.5], [86.65, 22.25], [86.75, 22.0], [86.63, 21.7], [87.03, 21.53], [87.25, 21.0], [87.15, 20.75], [87.25, 20.5], [87.03, 19.97], [86.5, 19.75], [86.25, 19.85], [86.0, 19.75], [85.47, 19.97], [85.32, 20.32], [85.25, 20.35], [85.0, 20.25], [84.5, 20.46], [84.0, 20.25], [83.75, 20.35], [83.5, 20.25], [83.25, 20.35], [83.0, 20.25], [82.47, 20.47], [82.25, 21.0], [82.46, 21.5], [82.25, 22.0], [82.47, 22.53]]]]}, "2017-08-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[82.47, 22.53], [83.0, 22.75], [83.25, 22.65], [83.5, 22.75], [83.75, 22.65], [83.82, 22.68], [83.97, 23.03], [84.5, 23.25], [84.75, 23.15], [84.82, 23.18], [84.97, 23.53], [85.5, 23.75], [86.03, 23.53], [86.18, 23.18], [86.53, 23.03], [86.75, 22.5], [86.65, 22.25], [86.75, 22.0], [86.63, 21.7], [87.03, 21.53], [87.25, 21.0], [87.15, 20.75], [87.25, 20.5], [87.03, 19.97], [86.5, 19.75], [86.25, 19.85], [86.0, 19.75], [85.47, 19.97], [85.32, 20.32], [85.25, 20.35], [85.0, 20.25], [84.5, 20.46], [84.0, 20.25], [83.75, 20.35], [83.5, 20.25], [83.25, 20.35], [83.0, 20.25], [82.47, 20.47], [82.25, 21.0], [82.46, 21.5], [82.25, 22.0], [82.47, 22.53]]]]}, "2017-08-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[82.47, 22.53], [83.0, 22.75], [83.25, 22.65], [83.5, 22.75], [83.75, 22.65], [83.82, 22.68], [83.97, 23.03], [84.5, 23.25], [84.75, 23.15], [84.82, 23.18], [84.97, 23.53], [85.5, 23.75], [86.03, 23.53], [86.18, 23.18], [86.53, 23.03], [86.75, 22.5], [86.65, 22.25], [86.75, 22.0], [86.63, 21.7], [87.03, 21.53], [87.25, 21.0], [87.15, 20.75], [87.25, 20.5], [87.03, 19.97], [86.5, 19.75], [86.25, 19.85], [86.0, 19.75], [85.47, 19.97], [85.32, 20.32], [85.25, 20.35], [85.0, 20.25], [84.5, 20.46], [84.0, 20.25], [83.75, 20.35], [83.5, 20.25], [83.25, 20.35], [83.0, 20.25], [82.47, 20.47], [82.25, 21.0], [82.46, 21.5], [82.25, 22.0], [82.47, 22.53]]]]}, "2017-08-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[83.0, 21.75], [83.53, 21.53], [83.75, 21.0], [83.53, 20.47], [83.0, 20.25], [82.47, 20.47], [82.25, 21.0], [82.47, 21.53], [83.0, 21.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.165645347112161}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5912398963796655}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.086363166218973, 28.78275390243607, 28.780504915879703, 28.769396285313405, 28.3426600107922]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.086363166218973, 29.942750662477295, 29.800525791145617, 29.798172955282098, 28.3426600107922]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4548535945658614, 1.6759484920510568, 1.5984995448215569, 1.5166896984358709, 1.292175043956263]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4548535945658614, 2.165645347112161, 2.057292912951084, 1.9314757998474192, 1.292175043956263]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3465114876974424, 1.6379465340582626, 1.585334092930386, 1.514794241392451, 1.2328982807379352]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3465114876974424, 2.0661964156835424, 1.9453495025534315, 1.8908990048557084, 1.2328982807379352]}}