{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:22:01.371502", "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-Jan-14_to_2021-Jan-16_287.5_-53.5"}, "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": 2021010001986}, "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": "January 14 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 16 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": 88247.06824186686}, "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": ["Argentina", "Chile"]}, "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": -53.5}, "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": 287.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "287.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 285.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 291.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -54.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -49.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-75.03, -48.97], [-74.5, -48.75], [-73.97, -48.97], [-73.823, -49.323], [-73.47, -49.47], [-73.302, -49.875], [-73.0, 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[-75.25, -51.0], [-75.043, -50.5], [-75.25, -50.0], [-75.146, -49.75], [-75.25, -49.5], [-75.03, -48.97]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-01-14T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-75.14644660940672, -49.75], [-75.25, -49.5], [-75.03033008588989, -48.96966991411009], [-74.5, -48.75], [-73.96966991411011, -48.96966991411009], [-73.82322330470339, -49.32322330470336], [-73.46966991411011, -49.46966991411009], [-73.30177669529667, -49.87500000000001], [-73.0, -49.75], [-72.46966991411011, -49.96966991411009], [-72.25, -50.5], [-72.375, -50.80177669529663], [-72.25, -50.85355339059328], [-72.0, -50.75], [-71.46966991411011, -50.96966991411009], [-71.32322330470339, -51.32322330470336], [-71.25, -51.35355339059328], [-71.0, -51.25], 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t2m", "description": "The daily evolution of mean t2m.", "value": [10.963870540731477, 12.444897065309362, 11.314417215821038]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [13.486243954840631, 15.597735663118442, 14.121619141527844]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.7379333562522357, 4.148106348183266, 2.8722826144396985]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.33077929013092, 6.013858160419886, 4.067183252036045]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5965536589931781, 2.481125044732071, 1.7602554813608764]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9966902843227552, 3.5968645729818034, 2.695650364534092]}}