{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:01:04.628439", "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-Sep-05_to_2024-Sep-11_292.0_-22.5"}, "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": 2024090001150}, "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": "September 05 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 11 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 53898.769701308775}, "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", "Bolivia, Plurinational State of", "Chile"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "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": -22.5}, "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": 292.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "292.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 291.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 293.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -25.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -21.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-66.47, -23.97], [-66.32, -24.32], [-65.97, -24.47], [-65.75, -25.0], [-65.97, -25.53], [-66.5, -25.75], [-66.75, -25.65], [-67.0, -25.75], [-67.25, -25.65], [-67.5, -25.75], [-68.03, -25.53], [-68.18, -25.18], [-68.25, -25.15], [-68.5, -25.25], [-69.03, -25.03], [-69.25, -24.5], [-69.03, -23.97], [-68.68, -23.82], [-68.65, -23.75], [-68.75, -23.5], [-68.54, -23.0], [-68.75, -22.5], [-68.65, -22.25], [-68.75, -22.0], [-68.65, -21.75], [-68.68, -21.68], [-68.75, -21.65], [-69.0, -21.75], [-69.53, -21.53], [-69.75, -21.0], [-69.53, -20.47], [-69.0, -20.25], [-68.75, -20.35], [-68.5, -20.25], [-67.97, -20.47], [-67.82, -20.82], [-67.47, -20.97], [-67.25, -21.5], [-67.35, -21.75], [-67.32, -21.82], [-67.25, -21.85], [-67.0, -21.75], [-66.47, -21.97], [-66.25, -22.5], [-66.47, -23.03], [-66.82, -23.18], [-66.85, -23.25], [-66.75, -23.5], [-66.85, -23.75], [-66.82, -23.82], [-66.47, -23.97]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.W.South-America", "S.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.0, -21.75], [-69.52999999999997, -21.53], [-69.75, -21.0], [-69.52999999999997, -20.47], [-69.0, -20.25], [-68.75, -20.35], [-68.5, -20.25], [-67.97000000000003, -20.47], [-67.82, -20.82], [-67.47000000000003, -20.97], [-67.25, -21.5], [-67.35000000000002, -21.75], [-67.32, -21.82], [-67.25, -21.85], [-67.0, -21.75], [-66.47000000000003, -21.97], [-66.25, -22.5], [-66.47000000000003, -23.03], [-66.82, -23.18], [-66.85000000000002, -23.25], [-66.75, -23.5], [-66.85000000000002, -23.75], [-66.75, -24.0], [-66.97000000000003, -24.53], [-67.5, -24.75], [-68.02999999999997, -24.53], [-68.25, -24.0], [-68.14999999999998, -23.75], [-68.25, -23.5], [-68.14999999999998, -23.25], [-68.18, -23.18], [-68.52999999999997, -23.03], [-68.75, -22.5], [-68.64999999999998, -22.25], [-68.75, -22.0], [-68.64999999999998, -21.75], [-68.68, -21.68], [-68.75, -21.65], [-69.0, -21.75]]]]}, "2024-09-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.0, -21.75], [-69.52999999999997, -21.53], [-69.75, -21.0], [-69.52999999999997, -20.47], [-69.0, -20.25], [-68.75, -20.35], [-68.5, -20.25], [-67.97000000000003, -20.47], [-67.82, -20.82], [-67.47000000000003, -20.97], [-67.25, -21.5], [-67.35000000000002, -21.75], [-67.32, -21.82], [-67.25, -21.85], [-67.0, -21.75], [-66.47000000000003, -21.97], [-66.25, -22.5], [-66.47000000000003, -23.03], [-66.82, -23.18], [-66.85000000000002, -23.25], [-66.75, -23.5], [-66.85000000000002, -23.75], [-66.82, -23.82], [-66.47000000000003, -23.97], [-66.32, -24.32], [-65.97000000000003, -24.47], [-65.75, -25.0], [-65.97000000000003, -25.53], [-66.5, -25.75], [-66.75, -25.65], [-67.0, -25.75], [-67.52999999999997, -25.53], [-67.68, -25.18], [-67.75, -25.15], [-68.0, -25.25], [-68.25, -25.15], [-68.5, -25.25], [-69.02999999999997, -25.03], [-69.25, -24.5], [-69.02999999999997, -23.97], [-68.68, -23.82], [-68.64999999999998, -23.75], [-68.75, -23.5], [-68.54000000000002, -23.0], [-68.75, -22.5], [-68.64999999999998, -22.25], [-68.75, -22.0], [-68.64999999999998, -21.75], [-68.68, -21.68], [-68.75, -21.65], [-69.0, -21.75]]]]}, "2024-09-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.0, -21.75], [-69.52999999999997, -21.53], [-69.75, -21.0], [-69.52999999999997, -20.47], [-69.0, -20.25], [-68.75, -20.35], [-68.5, -20.25], [-67.97000000000003, -20.47], [-67.82, -20.82], [-67.47000000000003, -20.97], [-67.25, -21.5], [-67.35000000000002, -21.75], [-67.32, -21.82], [-67.25, -21.85], [-67.0, -21.75], [-66.47000000000003, -21.97], [-66.25, -22.5], [-66.47000000000003, -23.03], [-66.82, -23.18], [-66.85000000000002, -23.25], [-66.75, -23.5], [-66.85000000000002, -23.75], [-66.82, -23.82], [-66.47000000000003, -23.97], [-66.32, -24.32], [-65.97000000000003, -24.47], [-65.75, -25.0], [-65.97000000000003, -25.53], [-66.5, -25.75], [-66.75, -25.65], [-67.0, -25.75], [-67.52999999999997, -25.53], [-67.68, -25.18], [-67.75, -25.15], [-68.0, -25.25], [-68.25, -25.15], [-68.5, -25.25], [-69.02999999999997, -25.03], [-69.25, -24.5], [-69.02999999999997, -23.97], [-68.68, -23.82], [-68.64999999999998, -23.75], [-68.75, -23.5], [-68.54000000000002, -23.0], [-68.75, -22.5], [-68.64999999999998, -22.25], [-68.75, -22.0], [-68.64999999999998, -21.75], [-68.68, -21.68], [-68.75, -21.65], [-69.0, -21.75]]]]}, "2024-09-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.64999999999998, -23.75], [-68.75, -23.5], [-68.54000000000002, -23.0], [-68.75, -22.5], [-68.64999999999998, -22.25], [-68.75, -22.0], [-68.64999999999998, -21.75], [-68.75, -21.5], [-68.52999999999997, -20.97], [-68.0, -20.75], [-67.47000000000003, -20.97], [-67.25, -21.5], [-67.35000000000002, -21.75], [-67.30000000000001, -21.88], [-67.0, -21.75], [-66.47000000000003, -21.97], [-66.25, -22.5], [-66.47000000000003, -23.03], [-66.87, -23.2], [-66.75, -23.5], [-66.85000000000002, -23.75], [-66.82, -23.82], [-66.47000000000003, -23.97], [-66.32, -24.32], [-65.97000000000003, -24.47], [-65.75, -25.0], [-65.97000000000003, -25.53], [-66.5, -25.75], [-66.75, -25.65], [-67.0, -25.75], [-67.52999999999997, -25.53], [-67.68, -25.18], [-67.75, -25.15], [-68.0, -25.25], [-68.25, -25.15], [-68.5, -25.25], [-69.02999999999997, -25.03], [-69.25, -24.5], [-69.02999999999997, -23.97], [-68.68, -23.82], [-68.64999999999998, -23.75]]]]}, "2024-09-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.0, -23.25], [-67.75, -23.35], [-67.5, -23.25], [-66.97000000000003, -23.47], [-66.75, -24.0], [-66.87, -24.3], [-66.75, -24.35], [-66.5, -24.25], [-65.97000000000003, -24.47], [-65.75, -25.0], [-65.97000000000003, -25.53], [-66.5, -25.75], [-66.75, -25.65], [-67.0, -25.75], [-67.25, -25.65], [-67.5, -25.75], [-68.02999999999997, -25.53], [-68.18, -25.18], [-68.25, -25.15], [-68.5, -25.25], [-69.02999999999997, -25.03], [-69.25, -24.5], [-69.02999999999997, -23.97], [-68.68, -23.82], [-68.52999999999997, -23.47], [-68.0, -23.25]]], [[[-68.75, -22.5], [-68.64999999999998, -22.25], [-68.75, -22.0], [-68.64999999999998, -21.75], [-68.75, -21.5], [-68.52999999999997, -20.97], [-68.0, -20.75], [-67.47000000000003, -20.97], [-67.25, -21.5], [-67.35000000000002, -21.75], [-67.25, -22.0], [-67.35000000000002, -22.25], [-67.25, -22.5], [-67.47000000000003, -23.03], [-68.0, -23.25], [-68.52999999999997, -23.03], [-68.75, -22.5]]]]}, "2024-09-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.0, -23.25], [-67.75, -23.35], [-67.5, -23.25], [-66.97000000000003, -23.47], [-66.75, -24.0], [-66.87, -24.3], [-66.75, -24.35], [-66.5, -24.25], [-65.97000000000003, -24.47], [-65.75, -25.0], [-65.97000000000003, -25.53], [-66.5, -25.75], [-66.75, -25.65], [-67.0, -25.75], [-67.25, -25.65], [-67.5, -25.75], [-68.02999999999997, -25.53], [-68.18, -25.18], [-68.25, -25.15], [-68.5, -25.25], [-69.02999999999997, -25.03], [-69.25, -24.5], [-69.02999999999997, -23.97], [-68.68, -23.82], [-68.52999999999997, -23.47], [-68.0, -23.25]]], [[[-68.75, -22.5], [-68.64999999999998, -22.25], [-68.75, -22.0], [-68.64999999999998, -21.75], [-68.75, -21.5], [-68.52999999999997, -20.97], [-68.0, -20.75], [-67.47000000000003, -20.97], [-67.25, -21.5], [-67.35000000000002, -21.75], [-67.25, -22.0], [-67.35000000000002, -22.25], [-67.25, -22.5], [-67.47000000000003, -23.03], [-68.0, -23.25], [-68.52999999999997, -23.03], [-68.75, -22.5]]]]}, "2024-09-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.52999999999997, -23.47], [-68.0, -23.25], [-67.47000000000003, -23.47], [-67.25, -24.0], [-67.35000000000002, -24.25], [-67.32, -24.32], [-66.97000000000003, -24.47], [-66.75, -25.0], [-66.97000000000003, -25.53], [-67.5, -25.75], [-68.02999999999997, -25.53], [-68.18, -25.18], [-68.25, -25.15], [-68.5, -25.25], [-69.02999999999997, -25.03], [-69.25, -24.5], [-69.02999999999997, -23.97], [-68.68, -23.82], [-68.52999999999997, -23.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.555306121994761}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.117233781350744}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [4.9471186319987055, 6.765118888572431, 6.510032060411277, 6.426579139346188, 6.131931559244833, 7.1830902099609375, 7.022575632731105]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [13.867097473144554, 14.558268483479821, 14.56827316284182, 14.427166239420615, 9.073826090494833, 10.286711629231775, 9.14767735799154]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.9090857365855016, 4.406647924765271, 3.9943381185922626, 3.791123540741495, 3.8130062579767583, 4.853552769369832, 3.949427910831247]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.977008143871558, 6.45088782945561, 5.554773963997661, 4.958001529296951, 4.910053348109443, 6.555306121994761, 4.273402790918794]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.48954826340013, 1.6212379937835133, 1.4876692250946577, 1.3870768016893265, 1.39277573865934, 1.7947098387611504, 1.3661901453652476]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6042275393134, 1.8934205419248096, 1.7637184795462135, 1.4620657226749376, 1.4962481482505314, 2.053383219226965, 1.4398197381332658]}}