{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:15:51.717508", "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": "2021-Nov-21_to_2021-Nov-23_295.5_-17.5"}, "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": 2021110002260}, "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": "November 21 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 23 2021"}, "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": 50341.89134069351}, "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": ["Bolivia, Plurinational State of"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": -17.5}, "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": 295.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "295.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 292.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 296.5}, "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": -15.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-68.03, -14.97], [-67.5, -14.75], [-67.25, -14.85], [-67.0, -14.75], [-66.47, -14.97], [-66.32, -15.32], [-66.25, -15.35], [-66.0, -15.25], [-65.5, -15.46], [-65.0, -15.25], [-64.47, -15.47], [-64.25, -16.0], [-64.35, -16.25], [-64.32, -16.32], [-64.25, -16.35], [-64.0, -16.25], [-63.47, -16.47], [-63.25, -17.0], [-63.35, -17.25], [-63.32, -17.32], [-62.97, -17.47], [-62.75, -18.0], [-62.97, -18.53], [-63.5, -18.75], [-64.03, -18.53], [-64.18, -18.18], [-64.25, -18.15], [-64.5, -18.25], [-64.75, -18.15], [-65.0, -18.25], [-65.53, -18.03], [-65.68, -17.68], [-66.03, -17.53], [-66.18, -17.18], [-66.53, -17.03], [-66.68, -16.68], [-66.75, -16.65], [-67.0, -16.75], [-67.53, -16.53], [-67.68, -16.18], [-68.03, -16.03], [-68.25, -15.5], [-68.03, -14.97]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-11-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.02999999999997, -16.03], [-68.25, -15.5], [-68.02999999999997, -14.97], [-67.5, -14.75], [-67.25, -14.85], [-67.0, -14.75], [-66.47000000000003, -14.97], [-66.32, -15.32], [-66.25, -15.35], [-66.0, -15.25], [-65.5, -15.46], [-65.0, -15.25], [-64.47000000000003, -15.47], [-64.25, -16.0], [-64.35000000000002, -16.25], [-64.32, -16.32], [-64.25, -16.35], [-64.0, -16.25], [-63.47000000000003, -16.47], [-63.25, -17.0], [-63.35000000000002, -17.25], [-63.31999999999999, -17.32], [-62.97000000000003, -17.47], [-62.75, -18.0], [-62.97000000000003, -18.53], [-63.5, -18.75], [-64.02999999999997, -18.53], [-64.18, -18.18], [-64.25, -18.15], [-64.5, -18.25], [-64.75, -18.15], [-65.0, -18.25], [-65.52999999999997, -18.03], [-65.68, -17.68], [-66.02999999999997, -17.53], [-66.18, -17.18], [-66.52999999999997, -17.03], [-66.68, -16.68], [-66.75, -16.65], [-67.0, -16.75], [-67.52999999999997, -16.53], [-67.68, -16.18], [-68.02999999999997, -16.03]]]]}, "2021-11-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.02999999999997, -16.03], [-68.25, -15.5], [-68.02999999999997, -14.97], [-67.5, -14.75], [-67.25, -14.85], [-67.0, -14.75], [-66.47000000000003, -14.97], [-66.32, -15.32], [-66.25, -15.35], [-66.0, -15.25], [-65.5, -15.46], [-65.0, -15.25], [-64.47000000000003, -15.47], [-64.25, -16.0], [-64.35000000000002, -16.25], [-64.32, -16.32], [-64.25, -16.35], [-64.0, -16.25], [-63.47000000000003, -16.47], [-63.25, -17.0], [-63.35000000000002, -17.25], [-63.31999999999999, -17.32], [-62.97000000000003, -17.47], [-62.75, -18.0], [-62.97000000000003, -18.53], [-63.5, -18.75], [-64.02999999999997, -18.53], [-64.18, -18.18], [-64.25, -18.15], [-64.5, -18.25], [-64.75, -18.15], [-65.0, -18.25], [-65.52999999999997, -18.03], [-65.68, -17.68], [-66.02999999999997, -17.53], [-66.18, -17.18], [-66.52999999999997, -17.03], [-66.68, -16.68], [-66.75, -16.65], [-67.0, -16.75], [-67.52999999999997, -16.53], [-67.68, -16.18], [-68.02999999999997, -16.03]]]]}, "2021-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.02999999999997, -16.03], [-68.25, -15.5], [-68.02999999999997, -14.97], [-67.5, -14.75], [-67.25, -14.85], [-67.0, -14.75], [-66.47000000000003, -14.97], [-66.32, -15.32], [-66.25, -15.35], [-66.0, -15.25], [-65.5, -15.46], [-65.0, -15.25], [-64.47000000000003, -15.47], [-64.25, -16.0], [-64.35000000000002, -16.25], [-64.32, -16.32], [-64.25, -16.35], [-64.0, -16.25], [-63.47000000000003, -16.47], [-63.25, -17.0], [-63.35000000000002, -17.25], [-63.31999999999999, -17.32], [-62.97000000000003, -17.47], [-62.75, -18.0], [-62.97000000000003, -18.53], [-63.5, -18.75], [-64.02999999999997, -18.53], [-64.18, -18.18], [-64.25, -18.15], [-64.5, -18.25], [-64.75, -18.15], [-65.0, -18.25], [-65.52999999999997, -18.03], [-65.68, -17.68], [-66.02999999999997, -17.53], [-66.18, -17.18], [-66.52999999999997, -17.03], [-66.68, -16.68], [-66.75, -16.65], [-67.0, -16.75], [-67.52999999999997, -16.53], [-67.68, -16.18], [-68.02999999999997, -16.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.420780006768723}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.4120842093894193}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.25359376419601, 26.73327563482428, 26.179017504079127]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.822194501404454, 30.37815705845975, 29.39267526671341]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.3419331303868725, 2.753727524077707, 2.140591973703679]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.9537826693109537, 3.420780006768723, 2.6321149345271806]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5650180939123455, 1.8407441767610346, 1.4543077250619054]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.750181606552214, 2.2101714516234914, 1.7474161057501625]}}