{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:20:21.120367", "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-May-02_to_2022-May-04_289.0_-1.0"}, "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": 2022050001483}, "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": "May 02 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 04 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": 55616.45331853093}, "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": ["Colombia", "Peru"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": -1.0}, "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": 289.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "289.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 287.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 289.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -0.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-73.0, -0.75], [-72.75, -0.85], [-72.68, -0.82], [-72.53, -0.47], [-72.18, -0.32], [-72.03, 0.03], [-71.5, 0.25], [-71.25, 0.15], [-71.0, 0.25], [-70.47, 0.03], [-70.32, -0.32], [-69.97, -0.47], [-69.75, -1.0], [-69.85, -1.25], [-69.75, -1.5], [-69.97, -2.03], [-70.5, -2.25], [-70.75, -2.15], [-70.82, -2.18], [-70.85, -2.25], [-70.75, -2.5], [-70.97, -3.03], [-71.5, -3.25], [-71.75, -3.15], [-72.0, -3.25], [-72.5, -3.04], [-73.0, -3.25], [-73.53, -3.03], [-73.75, -2.5], [-73.54, -2.0], [-73.75, -1.5], [-73.53, -0.97], [-73.0, -0.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.South-America", "N.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-05-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.75, -1.5], [-73.52999999999997, -0.97], [-73.0, -0.75], [-72.75, -0.85], [-72.68, -0.82], [-72.52999999999997, -0.47], [-72.18, -0.32], [-72.02999999999997, 0.03], [-71.5, 0.25], [-71.25, 0.15], [-71.0, 0.25], [-70.47000000000003, 0.03], [-70.32, -0.32], [-69.97000000000003, -0.47], [-69.75, -1.0], [-69.85000000000002, -1.25], [-69.75, -1.5], [-69.97000000000003, -2.03], [-70.5, -2.25], [-70.75, -2.15], [-70.82, -2.18], [-70.85000000000002, -2.25], [-70.75, -2.5], [-70.97000000000003, -3.03], [-71.5, -3.25], [-71.75, -3.15], [-72.0, -3.25], [-72.5, -3.04], [-73.0, -3.25], [-73.52999999999997, -3.03], [-73.75, -2.5], [-73.54000000000002, -2.0], [-73.75, -1.5]]]]}, "2022-05-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.75, -1.5], [-73.52999999999997, -0.97], [-73.0, -0.75], [-72.75, -0.85], [-72.68, -0.82], [-72.52999999999997, -0.47], [-72.18, -0.32], [-72.02999999999997, 0.03], [-71.5, 0.25], [-71.25, 0.15], [-71.0, 0.25], [-70.47000000000003, 0.03], [-70.32, -0.32], [-69.97000000000003, -0.47], [-69.75, -1.0], [-69.85000000000002, -1.25], [-69.75, -1.5], [-69.97000000000003, -2.03], [-70.5, -2.25], [-70.75, -2.15], [-70.82, -2.18], [-70.85000000000002, -2.25], [-70.75, -2.5], [-70.97000000000003, -3.03], [-71.5, -3.25], [-71.75, -3.15], [-72.0, -3.25], [-72.5, -3.04], [-73.0, -3.25], [-73.52999999999997, -3.03], [-73.75, -2.5], [-73.54000000000002, -2.0], [-73.75, -1.5]]]]}, "2022-05-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.75, -1.5], [-73.52999999999997, -0.97], [-73.0, -0.75], [-72.75, -0.85], [-72.68, -0.82], [-72.52999999999997, -0.47], [-72.18, -0.32], [-72.02999999999997, 0.03], [-71.5, 0.25], [-71.25, 0.15], [-71.0, 0.25], [-70.47000000000003, 0.03], [-70.32, -0.32], [-69.97000000000003, -0.47], [-69.75, -1.0], [-69.85000000000002, -1.25], [-69.75, -1.5], [-69.97000000000003, -2.03], [-70.5, -2.25], [-70.75, -2.15], [-70.82, -2.18], [-70.85000000000002, -2.25], [-70.75, -2.5], [-70.97000000000003, -3.03], [-71.5, -3.25], [-71.75, -3.15], [-72.0, -3.25], [-72.5, -3.04], [-73.0, -3.25], [-73.52999999999997, -3.03], [-73.75, -2.5], [-73.54000000000002, -2.0], [-73.75, -1.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.1366859061208174}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4436708006169199}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.46838636401816, 26.64703639721813, 26.433491792071607]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.796209688161355, 27.188060691511055, 26.78665038734158]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3934984970647468, 1.566283693949613, 1.3712302108363998]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8198932894384825, 2.1366859061208174, 1.6468809241414988]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5892821141873152, 1.8291124627865496, 1.6219248740550083]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.045321485439839, 2.5844951349613408, 1.9952165531678359]}}