{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:19:40.292053", "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": "2022-Apr-15_to_2022-Apr-20_294.0_8.0"}, "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": 2022040001942}, "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 15 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 20 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 70397.21522760513}, "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": ["Venezuela, Bolivarian Republic of"]}, "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": 8.0}, "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": 294.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "294.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 293.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 296.0}, "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": 10.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-66.25, 9.15], [-66.18, 9.18], [-66.15, 9.25], [-66.25, 9.5], [-66.03, 10.03], [-65.68, 10.18], [-65.53, 10.53], [-65.0, 10.75], [-64.47, 10.53], [-64.25, 10.0], [-64.46, 9.5], [-64.32, 9.18], [-63.97, 9.03], [-63.75, 8.5], [-63.85, 8.25], [-63.82, 8.18], [-63.47, 8.03], [-63.25, 7.5], [-63.47, 6.97], [-64.0, 6.75], [-64.25, 6.85], [-64.5, 6.75], [-64.75, 6.85], [-64.87, 6.8], [-64.75, 6.5], [-64.85, 6.25], [-64.75, 6.0], [-64.97, 5.47], [-65.5, 5.25], [-66.03, 5.47], [-66.18, 5.82], [-66.53, 5.97], [-66.75, 6.5], [-66.65, 6.75], [-66.75, 7.0], [-66.65, 7.25], [-66.68, 7.32], [-67.03, 7.47], [-67.25, 8.0], [-67.15, 8.25], [-67.25, 8.5], [-67.03, 9.03], [-66.5, 9.25], [-66.25, 9.15]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-04-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.75, 8.5], [-66.52999999999997, 9.03], [-66.18, 9.18], [-66.14999999999998, 9.25], [-66.25, 9.5], [-66.02999999999997, 10.03], [-65.68, 10.18], [-65.52999999999997, 10.53], [-65.0, 10.75], [-64.47000000000003, 10.53], [-64.25, 10.0], [-64.47000000000003, 9.47], [-64.82, 9.32], [-64.85000000000002, 9.25], [-64.75, 9.0], [-64.95999999999998, 8.5], [-64.75, 8.0], [-64.97000000000003, 7.47], [-65.5, 7.25], [-65.75, 7.35], [-66.0, 7.25], [-66.52999999999997, 7.47], [-66.75, 8.0], [-66.64999999999998, 8.25], [-66.75, 8.5]]]]}, "2022-04-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.75, 8.5], [-66.52999999999997, 9.03], [-66.18, 9.18], [-66.14999999999998, 9.25], [-66.25, 9.5], [-66.02999999999997, 10.03], [-65.68, 10.18], [-65.52999999999997, 10.53], [-65.0, 10.75], [-64.47000000000003, 10.53], [-64.25, 10.0], [-64.47000000000003, 9.47], [-64.82, 9.32], [-64.85000000000002, 9.25], [-64.75, 9.0], [-64.95999999999998, 8.5], [-64.75, 8.0], [-64.97000000000003, 7.47], [-65.5, 7.25], [-65.75, 7.35], [-66.0, 7.25], [-66.52999999999997, 7.47], [-66.75, 8.0], [-66.64999999999998, 8.25], [-66.75, 8.5]]]]}, "2022-04-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.75, 8.5], [-66.52999999999997, 9.03], [-66.18, 9.18], [-66.14999999999998, 9.25], [-66.25, 9.5], [-66.02999999999997, 10.03], [-65.68, 10.18], [-65.52999999999997, 10.53], [-65.0, 10.75], [-64.47000000000003, 10.53], [-64.25, 10.0], [-64.47000000000003, 9.47], [-64.82, 9.32], [-64.85000000000002, 9.25], [-64.75, 9.0], [-64.95999999999998, 8.5], [-64.82, 8.18], [-64.75, 8.15], [-64.5, 8.25], [-64.25, 8.15], [-64.0, 8.25], [-63.47000000000003, 8.03], [-63.25, 7.5], [-63.47000000000003, 6.97], [-64.0, 6.75], [-64.25, 6.85], [-64.5, 6.75], [-64.75, 6.85], [-65.0, 6.75], [-65.52999999999997, 6.97], [-65.68, 7.32], [-65.75, 7.35], [-66.0, 7.25], [-66.52999999999997, 7.47], [-66.75, 8.0], [-66.64999999999998, 8.25], [-66.75, 8.5]]]]}, "2022-04-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.25, 8.5], [-67.02999999999997, 9.03], [-66.5, 9.25], [-66.25, 9.15], [-66.18, 9.18], [-66.02999999999997, 9.53], [-65.5, 9.75], [-65.25, 9.65], [-65.0, 9.75], [-64.47000000000003, 9.53], [-64.32, 9.18], [-63.97000000000003, 9.03], [-63.75, 8.5], [-63.85000000000002, 8.25], [-63.81999999999999, 8.18], [-63.47000000000003, 8.03], [-63.25, 7.5], [-63.47000000000003, 6.97], [-64.0, 6.75], [-64.25, 6.85], [-64.5, 6.75], [-64.75, 6.85], [-64.87, 6.8], [-64.75, 6.5], [-64.85000000000002, 6.25], [-64.75, 6.0], [-64.97000000000003, 5.47], [-65.5, 5.25], [-66.02999999999997, 5.47], [-66.18, 5.82], [-66.52999999999997, 5.97], [-66.75, 6.5], [-66.64999999999998, 6.75], [-66.75, 7.0], [-66.64999999999998, 7.25], [-66.68, 7.32], [-67.02999999999997, 7.47], [-67.25, 8.0], [-67.14999999999998, 8.25], [-67.25, 8.5]]]]}, "2022-04-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.25, 8.5], [-67.02999999999997, 9.03], [-66.5, 9.25], [-66.25, 9.15], [-66.18, 9.18], [-66.02999999999997, 9.53], [-65.5, 9.75], [-65.25, 9.65], 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31.426064332720273, 30.962909150503833, 30.659725308497286, 31.399755066666103, 31.137745588925043]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.56726145372335, 32.508319476070426, 32.03294128342219, 32.455909529839175, 33.533233629861115, 33.50072716760923]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.171160743633313, 2.27403357663016, 2.0081038720926156, 2.1899672890617694, 2.93849697721015, 2.6698432230647478]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.759513510240481, 2.8502067541654696, 2.633835835085904, 2.996826036244329, 3.7263691550659246, 3.694793992010773]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.534566270153361, 1.6953048518331784, 1.5011796726232374, 1.679945200838228, 2.2802924494167933, 2.147410422700485]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.721248669732827, 2.0745256623678188, 1.772589418903961, 2.1944854232873237, 2.6646909432589045, 2.7381026997044473]}}