{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:05.086481", "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-May-12_to_2017-May-15_300.5_-15.0"}, "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": 2017050001769}, "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 12 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 15 2017"}, "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": 59798.39588418464}, "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": ["Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South America"]}, "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": -15.0}, "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": 300.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "300.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 299.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 302.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -16.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -12.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.25, -13.0], [-61.03, -12.47], [-60.5, -12.25], [-60.25, -12.35], [-60.0, -12.25], [-59.47, -12.47], [-59.25, -13.0], [-59.37, -13.3], [-58.97, -13.47], [-58.75, -14.0], [-58.85, -14.25], [-58.75, -14.5], [-58.85, -14.75], [-58.75, -15.0], [-58.97, -15.53], [-59.5, -15.75], [-60.03, -15.53], [-60.25, -15.0], [-60.15, -14.75], [-60.18, -14.68], [-60.53, -14.53], [-60.75, -14.0], [-60.62, -13.7], [-61.03, -13.53], [-61.25, -13.0]]]]}, "2017-05-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.25, -13.0], [-61.03, -12.47], [-60.5, -12.25], [-60.25, -12.35], [-60.0, -12.25], [-59.47, -12.47], [-59.25, -13.0], [-59.35, -13.25], [-59.32, -13.32], [-58.97, -13.47], [-58.82, -13.82], [-58.75, -13.85], [-58.5, -13.75], [-58.25, -13.85], [-58.0, -13.75], [-57.75, -13.85], [-57.5, -13.75], [-56.97, -13.97], [-56.75, -14.5], [-56.85, -14.75], [-56.75, -15.0], [-56.85, -15.25], [-56.75, -15.5], [-56.97, -16.03], [-57.32, -16.18], [-57.47, -16.53], [-58.0, -16.75], [-58.25, -16.65], [-58.5, -16.75], [-59.03, -16.53], [-59.25, -16.0], [-59.15, -15.75], [-59.18, -15.68], [-59.25, -15.65], [-59.5, -15.75], [-60.03, -15.53], [-60.25, -15.0], [-60.15, -14.75], [-60.18, -14.68], [-60.53, -14.53], [-60.75, -14.0], [-60.65, -13.75], [-60.68, -13.68], [-61.03, -13.53], [-61.25, -13.0]]]]}, "2017-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.25, -13.0], [-61.03, -12.47], [-60.5, -12.25], [-60.25, -12.35], [-60.0, -12.25], [-59.47, -12.47], [-59.25, -13.0], [-59.35, -13.25], [-59.32, -13.32], [-58.97, -13.47], [-58.82, -13.82], [-58.75, -13.85], [-58.5, -13.75], [-58.25, -13.85], [-58.0, -13.75], [-57.75, -13.85], [-57.5, -13.75], [-56.97, -13.97], [-56.75, -14.5], [-56.85, -14.75], [-56.75, -15.0], [-56.85, -15.25], [-56.75, -15.5], [-56.97, -16.03], [-57.32, -16.18], [-57.47, -16.53], [-58.0, -16.75], [-58.25, -16.65], [-58.5, -16.75], [-59.03, -16.53], [-59.25, -16.0], [-59.15, -15.75], [-59.18, -15.68], [-59.25, -15.65], [-59.5, -15.75], [-60.03, -15.53], [-60.25, -15.0], [-60.15, -14.75], [-60.18, -14.68], [-60.53, -14.53], [-60.75, -14.0], [-60.65, -13.75], [-60.68, -13.68], [-61.03, -13.53], [-61.25, -13.0]]]]}, "2017-05-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.25, -13.0], [-61.03, -12.47], [-60.5, -12.25], [-59.97, -12.47], [-59.82, -12.82], [-59.47, -12.97], [-59.32, -13.32], [-58.97, -13.47], [-58.82, -13.82], [-58.75, -13.85], [-58.5, -13.75], [-58.25, -13.85], [-58.0, -13.75], [-57.75, -13.85], [-57.5, -13.75], [-56.97, -13.97], [-56.75, -14.5], [-56.85, -14.75], [-56.75, -15.0], [-56.85, -15.25], [-56.75, -15.5], [-56.97, -16.03], [-57.32, -16.18], [-57.47, -16.53], [-58.0, -16.75], [-58.25, -16.65], [-58.5, -16.75], [-59.03, -16.53], [-59.25, -16.0], [-59.15, -15.75], [-59.18, -15.68], [-59.25, -15.65], [-59.5, -15.75], [-60.03, -15.53], [-60.25, -15.0], [-60.15, -14.75], [-60.18, -14.68], [-60.53, -14.53], [-60.75, -14.0], [-60.65, -13.75], [-60.68, -13.68], [-61.03, -13.53], [-61.25, -13.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.648943074613044}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.8009920044937444}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.404192668303324, 26.18761331621738, 26.630441254160587, 26.40437361423534]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.961090903458, 28.24829251088522, 28.55118361928254, 28.324096535599494]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.1107710860983295, 2.5913634060751463, 3.084444502703363, 2.9412471368385904]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.509910791813411, 3.360578113575741, 3.648943074613044, 3.492710581359404]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.0535983358229186, 1.1103733086312835, 1.3248264050897223, 1.2519524547468264]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.1869383647237215, 1.2913275384232836, 1.454974171220751, 1.3898326901512659]}}