{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:58:30.903563", "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-Apr-09_to_2024-Apr-13_312.5_-3.5"}, "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": 2024040001244}, "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": "April 09 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 13 2024"}, "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": 67772.34445167048}, "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"]}, "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": -3.5}, "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": 312.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "312.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 311.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 314.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-48.18, -2.82], [-48.03, -2.47], [-47.5, -2.25], [-46.97, -2.47], [-46.75, -3.0], [-46.85, -3.25], [-46.82, -3.32], [-46.5, -3.46], [-46.0, -3.25], [-45.47, -3.47], [-45.25, -4.0], [-45.35, -4.25], [-45.25, -4.5], [-45.35, -4.75], [-45.25, -5.0], [-45.35, -5.25], [-45.25, -5.5], [-45.47, -6.03], [-45.82, -6.18], [-45.97, -6.53], [-46.5, -6.75], [-47.0, -6.54], [-47.5, -6.75], [-48.03, -6.53], [-48.25, -6.0], [-48.15, -5.75], [-48.25, -5.5], [-48.15, -5.25], [-48.2, -5.12], [-48.5, -5.25], [-49.03, -5.03], [-49.25, -4.5], [-49.03, -3.97], [-48.68, -3.82], [-48.65, -3.75], [-48.75, -3.5], [-48.53, -2.97], [-48.18, -2.82]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.02999999999997, -2.97], [-47.5, -2.75], [-46.97000000000003, -2.97], [-46.75, -3.5], [-46.97000000000003, -4.03], [-47.5, -4.25], [-48.02999999999997, -4.03], [-48.25, -3.5], [-48.02999999999997, -2.97]]]]}, "2024-04-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.64999999999998, -3.75], [-48.75, -3.5], [-48.52999999999997, -2.97], [-48.18000000000001, -2.82], [-48.02999999999997, -2.47], [-47.5, -2.25], [-46.97000000000003, -2.47], [-46.75, -3.0], [-46.85000000000002, -3.25], [-46.81999999999999, -3.32], [-46.5, -3.46], [-46.0, -3.25], [-45.47000000000003, -3.47], [-45.25, -4.0], [-45.35000000000002, -4.25], [-45.25, -4.5], [-45.35000000000002, -4.75], [-45.25, -5.0], [-45.35000000000002, -5.25], [-45.25, -5.5], [-45.47000000000003, -6.03], [-45.81999999999999, -6.18], [-45.97000000000003, -6.53], [-46.5, -6.75], [-47.0, -6.54], [-47.5, -6.75], [-48.02999999999997, -6.53], [-48.25, -6.0], [-48.14999999999998, -5.75], [-48.25, -5.5], [-48.14999999999998, -5.25], [-48.19999999999999, -5.12], [-48.5, -5.25], [-49.02999999999997, -5.03], [-49.25, -4.5], [-49.02999999999997, -3.97], [-48.68000000000001, -3.82], [-48.64999999999998, -3.75]]]]}, "2024-04-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.64999999999998, -3.75], [-48.75, -3.5], [-48.52999999999997, -2.97], [-48.18000000000001, -2.82], [-48.02999999999997, -2.47], [-47.5, -2.25], [-46.97000000000003, -2.47], [-46.75, -3.0], [-46.85000000000002, -3.25], [-46.81999999999999, -3.32], [-46.5, -3.46], [-46.0, -3.25], [-45.47000000000003, -3.47], [-45.25, -4.0], [-45.35000000000002, -4.25], [-45.25, -4.5], [-45.35000000000002, -4.75], [-45.25, -5.0], [-45.35000000000002, -5.25], [-45.25, -5.5], [-45.47000000000003, -6.03], [-45.81999999999999, -6.18], [-45.97000000000003, -6.53], [-46.5, -6.75], [-47.0, -6.54], [-47.5, -6.75], [-48.02999999999997, -6.53], [-48.25, -6.0], [-48.14999999999998, -5.75], [-48.25, -5.5], [-48.14999999999998, -5.25], [-48.19999999999999, -5.12], [-48.5, -5.25], [-49.02999999999997, -5.03], [-49.25, -4.5], [-49.02999999999997, -3.97], [-48.68000000000001, -3.82], [-48.64999999999998, -3.75]]]]}, "2024-04-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.64999999999998, -3.75], [-48.75, -3.5], [-48.52999999999997, -2.97], [-48.18000000000001, -2.82], [-48.02999999999997, -2.47], [-47.5, -2.25], [-46.97000000000003, -2.47], [-46.75, -3.0], [-46.85000000000002, -3.25], [-46.81999999999999, -3.32], [-46.5, -3.46], [-46.0, -3.25], [-45.47000000000003, -3.47], [-45.25, -4.0], [-45.35000000000002, -4.25], [-45.25, -4.5], [-45.35000000000002, -4.75], [-45.25, -5.0], [-45.35000000000002, -5.25], [-45.25, -5.5], [-45.47000000000003, -6.03], [-45.81999999999999, -6.18], [-45.97000000000003, -6.53], [-46.5, -6.75], [-47.0, -6.54], [-47.5, -6.75], [-48.02999999999997, -6.53], [-48.25, -6.0], [-48.14999999999998, -5.75], [-48.25, -5.5], [-48.14999999999998, -5.25], [-48.19999999999999, -5.12], [-48.5, -5.25], [-49.02999999999997, -5.03], [-49.25, -4.5], [-49.02999999999997, -3.97], [-48.68000000000001, -3.82], [-48.64999999999998, -3.75]]]]}, "2024-04-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.52999999999997, -3.97], [-47.0, -3.75], [-46.47000000000003, -3.97], [-46.25, -4.5], [-46.47000000000003, -5.03], [-47.0, -5.25], [-47.52999999999997, -5.03], [-47.75, -4.5], [-47.52999999999997, -3.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.8319517507897558}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4078771119149858}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.825259251839327, 26.92773424928265, 27.136498253791217, 27.050023404157855, 26.494925038661506]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.825259251839327, 27.611829537754375, 27.68055360556656, 27.766201667063285, 26.494925038661506]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1771661168847913, 1.2817276904404453, 1.524352234903577, 1.4449676474892783, 1.0354308910016243]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1771661168847913, 1.5283101123324627, 1.8319517507897558, 1.6909923346063351, 1.0354308910016243]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.429181037342966, 1.5783377962182792, 1.8650068691197164, 1.7639842237037344, 1.2950883292975994]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.429181037342966, 1.916912769806552, 2.209672887783241, 2.104929094664861, 1.2950883292975994]}}