{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:15:19.210807", "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-Oct-30_to_2021-Nov-03_286.5_-8.5"}, "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": 2021100002707}, "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": "October 30 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 03 2021"}, "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": 119468.803225145}, "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", "Peru"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "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": -8.5}, "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": 286.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "286.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 283.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 287.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -10.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -5.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-74.75, -10.0], [-74.97, -10.53], [-75.5, -10.75], [-76.03, -10.53], [-76.18, -10.18], [-76.25, -10.15], [-76.5, 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[-74.18, -9.68], [-74.53, -9.53], [-74.68, -9.18], [-75.0, -9.04], [-75.32, -9.18], [-75.35, -9.25], [-75.32, -9.32], [-74.97, -9.47], [-74.75, -10.0]], [[-76.3, -7.87], [-76.18, -7.82], [-76.15, -7.75], [-76.2, -7.62], [-76.32, -7.68], [-76.35, -7.75], [-76.3, -7.87]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-10-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-75.5, -10.75], [-76.02999999999997, -10.53], [-76.25, -10.0], [-76.02999999999997, -9.47], [-75.5, -9.25], [-74.97000000000003, -9.47], [-74.75, -10.0], [-74.97000000000003, -10.53], [-75.5, -10.75]]], [[[-75.75, -8.0], [-75.52999999999997, -7.47], [-75.0, -7.25], [-74.5, -7.46], [-74.0, -7.25], [-73.75, -7.35], [-73.5, -7.25], [-72.97000000000003, -7.47], [-72.82, -7.82], 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1.954571185758546}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.940737872432408, 27.404186788335494, 26.081317938395443, 26.336086846497096, 16.546987698650923]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.21493613885002, 29.138986763961896, 28.970076459384472, 29.23551042101252, 22.7004279768546]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.837830607473008, 2.117102468684839, 1.8057880042157597, 2.0897449682222224, 1.0445209806027975]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.3142657974810845, 2.8410033134436503, 2.39122014857503, 3.153818210779832, 1.2811631690749437]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5968798498494319, 1.8377366130839197, 1.6880553048454896, 1.9347489889742404, 1.3578953808035137]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9899419282393667, 2.5549022665048255, 2.6373944736285777, 2.6104147283370294, 1.412823018730996]}}