{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:57:41.849203", "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": "2024-Feb-25_to_2024-Feb-27_290.0_-54.5"}, "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": 2024020001820}, "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": "February 25 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 27 2024"}, "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": 67630.71569187113}, "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": ["Chile"]}, "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": -54.5}, "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": 290.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "290.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 286.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 292.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -55.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -52.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-74.25, -52.0], [-74.03, -51.47], [-73.5, -51.25], [-73.25, -51.35], [-73.0, -51.25], [-72.47, -51.47], [-72.32, -51.82], [-71.97, -51.97], [-71.8, -52.38], [-71.68, -52.32], [-71.53, -51.97], [-71.0, -51.75], [-70.47, -51.97], [-70.32, -52.32], [-69.97, -52.47], [-69.8, -52.88], [-69.5, -52.75], [-68.97, -52.97], [-68.75, -53.5], [-68.85, -53.75], [-68.82, -53.82], [-68.47, -53.97], [-68.32, -54.32], [-68.25, -54.35], [-68.0, -54.25], [-67.75, -54.35], [-67.5, -54.25], [-66.97, -54.47], [-66.75, -55.0], [-66.97, -55.53], [-67.5, -55.75], [-67.75, -55.65], [-68.0, -55.75], [-68.25, -55.65], [-68.5, -55.75], [-68.75, -55.65], [-69.0, -55.75], [-69.25, -55.65], [-69.5, -55.75], [-69.75, -55.65], [-70.0, -55.75], [-70.53, -55.53], [-70.68, -55.18], [-70.75, -55.15], [-71.0, -55.25], [-71.25, -55.15], [-71.5, -55.25], [-72.03, -55.03], [-72.18, -54.68], [-72.25, -54.65], [-72.5, -54.75], [-72.75, -54.65], [-73.0, -54.75], [-73.53, -54.53], [-73.75, -54.0], [-73.65, -53.75], [-73.68, -53.68], [-74.03, -53.53], [-74.25, -53.0], [-74.15, -52.75], [-74.25, -52.5], [-74.15, -52.25], [-74.25, -52.0]]]]}}, "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": {"2024-02-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.25, -52.5], [-74.14999999999998, -52.25], [-74.25, -52.0], [-74.02999999999997, -51.47], [-73.5, -51.25], [-73.25, -51.35], [-73.0, -51.25], [-72.47000000000003, -51.47], [-72.32, -51.82], [-71.97000000000003, -51.97], [-71.80000000000001, -52.38], [-71.68, -52.32], [-71.52999999999997, -51.97], [-71.0, -51.75], [-70.47000000000003, -51.97], [-70.32, -52.32], [-69.97000000000003, -52.47], [-69.80000000000001, -52.88], [-69.5, -52.75], [-68.97000000000003, -52.97], [-68.75, -53.5], [-68.85000000000002, -53.75], [-68.82, -53.82], [-68.47000000000003, -53.97], [-68.32, -54.32], [-68.25, -54.35], [-68.0, -54.25], [-67.75, -54.35], [-67.5, -54.25], [-66.97000000000003, -54.47], [-66.75, -55.0], [-66.97000000000003, -55.53], [-67.5, -55.75], [-67.75, -55.65], [-68.0, -55.75], [-68.25, -55.65], [-68.5, -55.75], [-68.75, -55.65], [-69.0, -55.75], [-69.25, -55.65], [-69.5, -55.75], [-69.75, -55.65], [-70.0, -55.75], [-70.52999999999997, -55.53], [-70.68, -55.18], [-70.75, -55.15], [-71.0, -55.25], [-71.25, -55.15], [-71.5, -55.25], [-72.02999999999997, -55.03], [-72.18, -54.68], [-72.25, -54.65], [-72.5, -54.75], [-72.75, -54.65], [-73.0, -54.75], [-73.52999999999997, -54.53], [-73.75, -54.0], [-73.64999999999998, -53.75], [-73.68, -53.68], [-74.02999999999997, -53.53], [-74.25, -53.0], [-74.14999999999998, -52.75], [-74.25, -52.5]]]]}, "2024-02-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.25, -52.5], [-74.14999999999998, -52.25], [-74.25, -52.0], [-74.02999999999997, -51.47], [-73.5, -51.25], [-73.25, -51.35], [-73.0, -51.25], [-72.47000000000003, -51.47], [-72.32, -51.82], [-71.97000000000003, -51.97], 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11.59507979475336, 11.246628757168764]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [13.694697284180904, 15.019863327403812, 13.818997215139177]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.1349892831700834, 3.509676150109307, 3.117066466465867]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.1315273093957785, 4.571338283527496, 4.636233987005426]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5604650066761556, 1.7610768288203844, 1.5743347616903898]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0709740154586807, 2.2004947704789357, 1.9362523102156015]}}