{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:14:59.425428", "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": "2021-Oct-01_to_2021-Oct-03_287.0_-6.0"}, "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": 2021100001149}, "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": "October 01 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 03 2021"}, "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": 52265.52262478664}, "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", "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": -6.0}, "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": 287.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "287.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 286.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 288.5}, "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": -4.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-74.75, -5.0], [-74.53, -4.47], [-74.18, -4.32], [-74.03, -3.97], [-73.5, -3.75], [-72.97, -3.97], [-72.8, -4.38], [-72.5, -4.25], [-71.97, -4.47], [-71.8, -4.88], [-71.5, -4.75], [-70.97, -4.97], [-70.75, -5.5], [-70.96, -6.0], [-70.75, -6.5], [-70.97, -7.03], [-71.5, -7.25], [-71.75, -7.15], [-72.0, -7.25], [-72.25, -7.15], [-72.32, -7.18], [-72.47, -7.53], [-73.0, -7.75], [-73.53, -7.53], [-73.68, -7.18], [-74.03, -7.03], [-74.18, -6.68], [-74.53, -6.53], [-74.75, -6.0], [-74.65, -5.75], [-74.75, -5.5], [-74.65, -5.25], [-74.75, -5.0]]]]}}, "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": {"2021-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.75, -5.5], [-74.64999999999998, -5.25], [-74.75, -5.0], [-74.52999999999997, -4.47], [-74.18, -4.32], [-74.02999999999997, -3.97], [-73.5, -3.75], [-72.97000000000003, -3.97], [-72.80000000000001, -4.38], [-72.5, -4.25], [-71.97000000000003, -4.47], [-71.80000000000001, -4.88], [-71.5, -4.75], [-70.97000000000003, -4.97], [-70.75, -5.5], [-70.95999999999998, -6.0], [-70.75, -6.5], [-70.97000000000003, -7.03], [-71.5, -7.25], [-71.75, -7.15], [-72.0, -7.25], [-72.25, -7.15], [-72.32, -7.18], [-72.47000000000003, -7.53], [-73.0, -7.75], [-73.52999999999997, -7.53], [-73.68, -7.18], [-74.02999999999997, -7.03], [-74.18, -6.68], [-74.52999999999997, -6.53], [-74.75, -6.0], [-74.64999999999998, -5.75], [-74.75, -5.5]]]]}, "2021-10-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.75, -5.5], [-74.64999999999998, -5.25], [-74.75, -5.0], [-74.52999999999997, -4.47], [-74.18, -4.32], [-74.02999999999997, -3.97], [-73.5, -3.75], [-72.97000000000003, -3.97], [-72.80000000000001, -4.38], [-72.5, -4.25], [-71.97000000000003, -4.47], [-71.80000000000001, -4.88], [-71.5, -4.75], [-70.97000000000003, -4.97], [-70.75, -5.5], [-70.95999999999998, -6.0], [-70.75, -6.5], [-70.97000000000003, -7.03], [-71.5, -7.25], [-71.75, -7.15], [-72.0, -7.25], [-72.25, -7.15], [-72.32, -7.18], [-72.47000000000003, -7.53], [-73.0, -7.75], [-73.52999999999997, -7.53], [-73.68, -7.18], [-74.02999999999997, -7.03], [-74.18, -6.68], [-74.52999999999997, -6.53], [-74.75, -6.0], [-74.64999999999998, -5.75], [-74.75, -5.5]]]]}, "2021-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.75, -5.5], [-74.64999999999998, -5.25], [-74.75, -5.0], [-74.52999999999997, -4.47], [-74.18, -4.32], [-74.02999999999997, -3.97], [-73.5, -3.75], [-72.97000000000003, -3.97], [-72.80000000000001, -4.38], [-72.5, -4.25], [-71.97000000000003, -4.47], [-71.80000000000001, -4.88], [-71.5, -4.75], [-70.97000000000003, -4.97], [-70.75, -5.5], [-70.95999999999998, -6.0], [-70.75, -6.5], [-70.97000000000003, -7.03], [-71.5, -7.25], [-71.75, -7.15], [-72.0, -7.25], [-72.25, -7.15], [-72.32, -7.18], [-72.47000000000003, -7.53], [-73.0, -7.75], [-73.52999999999997, -7.53], [-73.68, -7.18], [-74.02999999999997, -7.03], [-74.18, -6.68], [-74.52999999999997, -6.53], [-74.75, -6.0], [-74.64999999999998, -5.75], [-74.75, -5.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.5730125947217743}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7783494368439772}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.619569308426207, 28.12756780704285, 27.70014370431676]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.14486951990557, 28.690635743167718, 28.326213984205936]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6149414747120312, 2.0833476395297605, 1.6367591962901396]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9526942679622152, 2.5730125947217743, 1.9651868039610463]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4160761411094602, 1.9397573631834775, 1.5308475195431432]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7424151355525959, 2.423556614310462, 1.8989526858358203]}}