{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:51:55.228726", "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": "2023-Mar-01_to_2023-Mar-04_289.0_-11.0"}, "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": 2023030001137}, "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": "March 01 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 04 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 57822.14251866063}, "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": -11.0}, "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": 290.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -11.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -8.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-71.32, -8.82], [-70.97, -8.97], [-70.82, -9.32], [-70.47, -9.47], [-70.32, -9.82], [-69.97, -9.97], [-69.82, -10.32], [-69.47, -10.47], [-69.25, -11.0], [-69.35, -11.25], [-69.25, -11.5], [-69.47, -12.03], [-70.0, -12.25], [-70.25, -12.15], [-70.5, -12.25], [-71.03, -12.03], [-71.18, -11.68], [-71.53, -11.53], [-71.68, -11.18], [-72.03, -11.03], [-72.18, -10.68], [-72.53, -10.53], [-72.68, -10.18], [-72.75, -10.15], [-73.0, -10.25], [-73.53, -10.03], [-73.75, -9.5], [-73.65, -9.25], [-73.75, -9.0], [-73.53, -8.47], [-73.18, -8.32], [-73.03, -7.97], [-72.5, -7.75], [-71.97, -7.97], [-71.82, -8.32], [-71.47, -8.47], [-71.32, -8.82]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.South-America", "N.South-America", "South-American-Monsoon"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.02999999999997, -10.03], [-73.25, -9.5], [-73.02999999999997, -8.97], [-72.68, -8.82], [-72.52999999999997, -8.47], [-72.0, -8.25], [-71.47000000000003, -8.47], [-71.32, -8.82], [-70.97000000000003, -8.97], [-70.75, -9.5], [-70.85000000000002, -9.75], [-70.82, -9.82], [-70.75, -9.85], [-70.5, -9.75], [-69.97000000000003, -9.97], [-69.82, -10.32], [-69.47000000000003, -10.47], [-69.25, -11.0], [-69.35000000000002, -11.25], [-69.25, -11.5], [-69.47000000000003, -12.03], [-70.0, -12.25], [-70.25, -12.15], [-70.5, -12.25], [-71.02999999999997, -12.03], [-71.18, -11.68], [-71.52999999999997, -11.53], [-71.68, -11.18], [-72.02999999999997, -11.03], [-72.18, -10.68], [-72.52999999999997, -10.53], [-72.68, -10.18], [-73.02999999999997, -10.03]]]]}, "2023-03-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.75, -9.0], [-73.52999999999997, -8.47], [-73.18, -8.32], [-73.02999999999997, -7.97], [-72.5, -7.75], [-71.97000000000003, -7.97], [-71.82, -8.32], [-71.47000000000003, -8.47], [-71.32, -8.82], [-70.97000000000003, -8.97], [-70.82, -9.32], [-70.47000000000003, -9.47], [-70.32, -9.82], [-69.97000000000003, -9.97], [-69.82, -10.32], [-69.47000000000003, -10.47], [-69.25, -11.0], [-69.35000000000002, -11.25], [-69.25, -11.5], [-69.47000000000003, -12.03], [-70.0, -12.25], [-70.25, -12.15], [-70.5, -12.25], [-71.02999999999997, -12.03], [-71.18, -11.68], [-71.52999999999997, -11.53], [-71.68, -11.18], [-72.02999999999997, -11.03], [-72.18, -10.68], [-72.52999999999997, -10.53], [-72.68, -10.18], [-72.75, -10.15], [-73.0, -10.25], [-73.52999999999997, -10.03], [-73.75, -9.5], [-73.64999999999998, -9.25], [-73.75, -9.0]]]]}, "2023-03-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.75, -9.0], [-73.52999999999997, -8.47], [-73.18, -8.32], [-73.02999999999997, -7.97], [-72.5, -7.75], [-71.97000000000003, -7.97], [-71.82, -8.32], [-71.47000000000003, -8.47], [-71.32, -8.82], [-70.97000000000003, -8.97], [-70.82, -9.32], [-70.47000000000003, -9.47], [-70.32, -9.82], [-69.97000000000003, -9.97], [-69.82, -10.32], [-69.47000000000003, -10.47], [-69.25, -11.0], [-69.35000000000002, -11.25], [-69.25, -11.5], [-69.47000000000003, -12.03], [-70.0, -12.25], [-70.25, -12.15], [-70.5, -12.25], [-71.02999999999997, -12.03], [-71.18, -11.68], [-71.52999999999997, -11.53], [-71.68, -11.18], [-72.02999999999997, -11.03], [-72.18, -10.68], [-72.52999999999997, -10.53], [-72.68, -10.18], [-72.75, -10.15], [-73.0, -10.25], [-73.52999999999997, -10.03], [-73.75, -9.5], [-73.64999999999998, -9.25], [-73.75, -9.0]]]]}, "2023-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.75, -9.0], [-73.52999999999997, -8.47], [-73.18, -8.32], [-73.02999999999997, -7.97], [-72.5, -7.75], [-71.97000000000003, -7.97], [-71.82, -8.32], [-71.47000000000003, -8.47], [-71.25, -9.0], [-71.35000000000002, -9.25], [-71.32, -9.32], [-71.25, -9.35], [-71.0, -9.25], [-70.47000000000003, -9.47], [-70.25, -10.0], [-70.35000000000002, -10.25], [-70.25, -10.5], [-70.35000000000002, -10.75], [-70.25, -11.0], [-70.47000000000003, -11.53], [-71.0, -11.75], [-71.52999999999997, -11.53], [-71.68, -11.18], [-72.02999999999997, -11.03], [-72.18, -10.68], [-72.52999999999997, -10.53], [-72.68, -10.18], [-72.75, -10.15], [-73.0, -10.25], [-73.52999999999997, -10.03], [-73.75, -9.5], [-73.64999999999998, -9.25], [-73.75, -9.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.661542742293136}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7604109166070105}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.63110552377026, 27.062279854150063, 26.430406445565268, 26.5471070900918]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.98390741532654, 27.41757611109159, 26.88952193573442, 27.16798362534024]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7605270115502296, 2.129950282359534, 1.4980582653275472, 1.6036283855152254]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.359243208557416, 2.661542742293136, 1.8115673629455955, 2.085369349610744]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.841464696674864, 2.3021539027692497, 1.6093639151646504, 1.7180841143128587]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.35662103700853, 2.7259372856693065, 1.95904952271635, 2.2079764419829746]}}