{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:19:39.250806", "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-13_to_2022-Apr-15_305.5_-5.5"}, "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": 2022040001835}, "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 13 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 15 2022"}, "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": 92249.2751509681}, "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": -5.5}, "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": 305.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "305.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 303.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 307.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-57.25, -5.5], [-57.03, -4.97], [-56.5, -4.75], [-56.25, -4.85], [-56.18, -4.82], [-56.03, -4.47], [-55.68, -4.32], [-55.53, -3.97], [-55.0, -3.75], [-54.7, -3.88], [-54.53, -3.47], [-54.0, -3.25], [-53.47, -3.47], [-53.25, -4.0], [-53.35, -4.25], [-53.25, -4.5], [-53.35, -4.75], [-53.32, -4.82], [-52.97, -4.97], [-52.82, -5.32], [-52.47, -5.47], [-52.32, -5.82], [-51.97, -5.97], [-51.75, -6.5], [-51.97, -7.03], [-52.32, -7.18], [-52.47, -7.53], [-53.0, -7.75], [-53.25, -7.65], [-53.5, -7.75], [-53.75, -7.65], [-54.0, -7.75], [-54.53, -7.53], [-54.68, -7.18], [-54.75, -7.15], [-55.0, -7.25], [-55.25, -7.15], [-55.5, -7.25], [-56.03, -7.03], [-56.25, -6.5], [-56.15, -6.25], [-56.18, -6.18], [-56.25, -6.15], [-56.5, -6.25], [-57.03, -6.03], [-57.25, -5.5]]]]}}, "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": {"2022-04-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.5, -6.25], [-57.02999999999997, -6.03], [-57.25, -5.5], [-57.02999999999997, -4.97], [-56.5, -4.75], [-56.25, -4.85], [-56.18000000000001, -4.82], [-56.02999999999997, -4.47], [-55.68000000000001, -4.32], [-55.52999999999997, -3.97], [-55.0, -3.75], [-54.69999999999999, -3.88], [-54.52999999999997, -3.47], [-54.0, -3.25], [-53.47000000000003, -3.47], [-53.25, -4.0], [-53.35000000000002, -4.25], [-53.25, -4.5], [-53.35000000000002, -4.75], [-53.31999999999999, -4.82], [-52.97000000000003, -4.97], [-52.81999999999999, -5.32], [-52.47000000000003, -5.47], [-52.31999999999999, -5.82], [-51.97000000000003, -5.97], [-51.75, -6.5], [-51.97000000000003, -7.03], [-52.31999999999999, -7.18], [-52.47000000000003, -7.53], [-53.0, -7.75], [-53.25, -7.65], [-53.5, -7.75], [-53.75, -7.65], [-54.0, -7.75], [-54.52999999999997, -7.53], [-54.68000000000001, -7.18], [-54.75, -7.15], [-55.0, -7.25], [-55.25, -7.15], [-55.5, -7.25], [-56.02999999999997, -7.03], [-56.25, -6.5], [-56.14999999999998, -6.25], [-56.18000000000001, -6.18], [-56.25, -6.15], [-56.5, -6.25]]]]}, "2022-04-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.5, -6.25], [-57.02999999999997, -6.03], [-57.25, -5.5], [-57.02999999999997, -4.97], [-56.5, -4.75], [-56.25, -4.85], [-56.18000000000001, -4.82], [-56.02999999999997, -4.47], [-55.68000000000001, -4.32], [-55.52999999999997, -3.97], [-55.0, -3.75], [-54.69999999999999, -3.88], [-54.52999999999997, -3.47], [-54.0, -3.25], [-53.47000000000003, -3.47], [-53.25, -4.0], [-53.35000000000002, -4.25], [-53.25, -4.5], [-53.35000000000002, -4.75], [-53.31999999999999, -4.82], [-52.97000000000003, -4.97], [-52.81999999999999, -5.32], [-52.47000000000003, -5.47], [-52.31999999999999, -5.82], [-51.97000000000003, -5.97], [-51.75, -6.5], [-51.97000000000003, -7.03], [-52.31999999999999, -7.18], [-52.47000000000003, -7.53], [-53.0, -7.75], [-53.25, -7.65], [-53.5, -7.75], [-53.75, -7.65], [-54.0, -7.75], [-54.52999999999997, -7.53], [-54.68000000000001, -7.18], [-54.75, -7.15], [-55.0, -7.25], [-55.25, -7.15], [-55.5, -7.25], [-56.02999999999997, -7.03], [-56.25, -6.5], [-56.14999999999998, -6.25], [-56.18000000000001, -6.18], [-56.25, -6.15], [-56.5, -6.25]]]]}, "2022-04-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.5, -6.25], [-57.02999999999997, -6.03], [-57.25, -5.5], [-57.02999999999997, -4.97], [-56.5, -4.75], [-56.25, -4.85], [-56.18000000000001, -4.82], [-56.02999999999997, -4.47], [-55.68000000000001, -4.32], [-55.52999999999997, -3.97], [-55.0, -3.75], [-54.69999999999999, -3.88], [-54.52999999999997, -3.47], [-54.0, -3.25], [-53.47000000000003, -3.47], [-53.25, -4.0], [-53.35000000000002, -4.25], [-53.25, -4.5], [-53.35000000000002, -4.75], [-53.31999999999999, -4.82], [-52.97000000000003, -4.97], [-52.81999999999999, -5.32], [-52.47000000000003, -5.47], [-52.31999999999999, -5.82], [-51.97000000000003, -5.97], [-51.75, -6.5], [-51.97000000000003, -7.03], [-52.31999999999999, -7.18], [-52.47000000000003, -7.53], [-53.0, -7.75], [-53.25, -7.65], [-53.5, -7.75], [-53.75, -7.65], [-54.0, -7.75], [-54.52999999999997, -7.53], [-54.68000000000001, -7.18], [-54.75, -7.15], [-55.0, -7.25], [-55.25, -7.15], [-55.5, -7.25], [-56.02999999999997, -7.03], [-56.25, -6.5], [-56.14999999999998, -6.25], [-56.18000000000001, -6.18], [-56.25, -6.15], [-56.5, -6.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.9868584984230893}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4399611922433728}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.27240425050178, 26.207071128379255, 26.346843792900472]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.87033103736536, 26.826835392839143, 27.066291980018548]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4464919225039259, 1.383265178811043, 1.4901264754151498]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8322540972594084, 1.6449292206411315, 1.9868584984230893]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6972304957770092, 1.6445335234837453, 1.7655989981765832]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1590106885522475, 2.1140797846403534, 2.4730977887443717]}}