{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:35:21.753992", "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": "2023-May-12_to_2023-May-15_300.0_-1.5"}, "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": 2023050001664}, "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 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 15 2023"}, "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": 95809.29134728709}, "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": ["N.South-America"]}, "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": -1.5}, "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": 300.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "300.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 294.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 300.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 1.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.25, -1.0], [-61.03, -0.47], [-60.5, -0.25], [-59.97, 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[-63.75, -0.5], [-63.65, -0.25], [-63.68, -0.18], [-63.75, -0.15], [-64.0, -0.25], [-64.25, -0.15], [-64.5, -0.25], [-64.75, -0.15], [-65.0, -0.25], [-65.53, -0.03], [-65.75, 0.5], [-65.65, 0.75], [-65.75, 1.0], [-65.53, 1.53]]]]}, "2023-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.53, 1.53], [-65.0, 1.75], [-64.75, 1.65], [-64.5, 1.75], [-63.97, 1.53], [-63.82, 1.18], [-63.75, 1.15], [-63.5, 1.25], [-62.97, 1.03], [-62.82, 0.68], [-62.75, 0.65], [-62.68, 0.68], [-62.65, 0.75], [-62.75, 1.0], [-62.53, 1.53], [-62.0, 1.75], [-61.47, 1.53], [-61.32, 1.18], [-60.97, 1.03], [-60.82, 0.68], [-60.47, 0.53], [-60.25, 0.0], [-60.35, -0.25], [-60.32, -0.32], [-60.25, -0.35], [-60.0, -0.25], [-59.47, -0.47], [-59.25, -1.0], [-59.35, -1.25], [-59.25, -1.5], [-59.47, -2.03], [-59.82, -2.18], [-59.97, -2.53], [-60.5, -2.75], [-60.75, -2.65], [-61.0, -2.75], [-61.53, -2.53], [-61.68, -2.18], [-61.75, -2.15], [-62.0, -2.25], [-62.53, -2.03], [-62.75, -1.5], [-62.65, 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27.71604595756247, 27.862634775856918, 27.585534622564694]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2927354237044142, 1.3297082658072443, 1.614871888944263, 1.3964182314789084]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3901330287597489, 1.8517266526802132, 2.2117968681384923, 1.948785891191676]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6172791559835993, 1.6671528071108563, 2.011993132967529, 1.765273431425983]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.776105578256617, 2.305989090700003, 2.7033095534610174, 2.3648358756374903]}}