{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:18:44.396247", "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": "2020-Jan-30_to_2020-Feb-02_327.5_-79.5"}, "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": 2020010002501}, "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": "January 30 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 02 2020"}, "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": 100372.34838839399}, "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": ["Antarctica"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Antarctica"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Antarctica"]}, "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": ["Southern Ocean"]}, "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": -79.5}, "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": 327.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "327.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 320.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 346.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -80.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -77.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-01-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-33.03, -80.03], [-33.25, -79.5], [-33.03, -78.97], [-32.5, -78.75], [-32.25, -78.85], [-32.0, -78.75], [-31.47, -78.97], [-31.25, -79.5], [-31.47, -80.03], [-32.0, -80.25], [-32.25, -80.15], [-32.5, -80.25], [-33.03, -80.03]]]]}, "2020-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.03, -81.03], [-40.25, -80.5], [-40.03, -79.97], [-39.5, -79.75], [-39.25, -79.85], [-39.0, -79.75], [-38.75, -79.85], [-38.5, -79.75], [-38.25, -79.85], [-38.0, -79.75], [-37.75, -79.85], [-37.5, -79.75], [-37.25, -79.85], [-37.18, -79.82], [-37.03, -79.47], [-36.5, -79.25], [-36.25, -79.35], [-36.0, -79.25], [-35.75, -79.35], [-35.5, -79.25], [-35.25, -79.35], [-35.0, -79.25], [-34.75, -79.35], [-34.68, -79.32], [-34.53, -78.97], [-34.0, -78.75], [-33.75, -78.85], [-33.5, -78.75], [-33.25, -78.85], [-33.0, -78.75], [-32.75, -78.85], [-32.5, -78.75], [-32.25, -78.85], [-32.0, -78.75], [-31.75, -78.85], [-31.68, -78.82], [-31.53, -78.47], [-31.0, -78.25], [-30.75, -78.35], [-30.5, -78.25], [-30.25, -78.35], [-30.0, -78.25], [-29.75, -78.35], [-29.5, -78.25], [-29.25, -78.35], [-29.0, -78.25], [-28.75, -78.35], [-28.5, -78.25], [-28.25, -78.35], [-28.0, -78.25], [-27.75, -78.35], [-27.5, -78.25], [-27.25, -78.35], [-27.0, -78.25], [-26.75, -78.35], [-26.5, -78.25], [-26.25, -78.35], [-26.18, -78.32], [-26.03, -77.97], [-25.5, -77.75], [-25.25, -77.85], [-25.0, -77.75], [-24.75, -77.85], [-24.5, -77.75], [-24.25, -77.85], [-24.18, -77.82], [-24.03, -77.47], [-23.5, -77.25], [-23.25, -77.35], [-23.0, -77.25], [-22.75, -77.35], [-22.5, -77.25], [-22.25, -77.35], [-22.0, -77.25], [-21.75, -77.35], [-21.5, -77.25], [-21.25, -77.35], [-21.0, -77.25], [-20.75, -77.35], [-20.5, -77.25], [-20.25, -77.35], [-20.0, -77.25], [-19.75, -77.35], [-19.5, -77.25], [-19.25, -77.35], [-19.0, -77.25], [-18.75, -77.35], [-18.5, -77.25], [-18.25, -77.35], [-18.0, -77.25], [-17.75, -77.35], [-17.5, -77.25], [-17.25, -77.35], [-17.0, -77.25], [-16.75, -77.35], [-16.5, -77.25], [-16.25, -77.35], [-16.0, -77.25], [-15.75, -77.35], [-15.5, -77.25], [-15.25, -77.35], [-15.0, -77.25], [-14.75, -77.35], [-14.5, -77.25], [-14.25, -77.35], [-14.0, -77.25], [-13.47, -77.47], [-13.32, -77.82], [-12.97, -77.97], [-12.75, -78.5], [-12.97, -79.03], [-13.32, -79.18], [-13.47, -79.53], [-14.0, -79.75], [-14.25, -79.65], [-14.5, -79.75], [-14.75, -79.65], [-14.82, -79.68], [-14.97, -80.03], [-15.5, -80.25], [-15.75, -80.15], [-16.0, -80.25], [-16.25, -80.15], [-16.5, -80.25], [-16.75, -80.15], [-17.0, -80.25], [-17.25, -80.15], [-17.5, -80.25], [-17.75, -80.15], [-17.82, -80.18], [-17.97, -80.53], [-18.5, -80.75], [-18.75, -80.65], [-19.0, -80.75], [-19.25, -80.65], [-19.5, -80.75], [-19.75, -80.65], [-20.0, -80.75], [-20.25, -80.65], [-20.5, -80.75], [-20.75, -80.65], [-21.0, -80.75], [-21.25, -80.65], [-21.5, -80.75], [-21.75, -80.65], [-22.0, -80.75], [-22.25, -80.65], [-22.5, -80.75], [-22.75, -80.65], [-23.0, -80.75], [-23.25, -80.65], [-23.5, -80.75], [-23.75, -80.65], [-24.0, -80.75], [-24.25, -80.65], [-24.5, -80.75], [-24.75, -80.65], [-25.0, -80.75], [-25.25, -80.65], [-25.5, -80.75], [-25.75, -80.65], [-26.0, -80.75], [-26.25, -80.65], [-26.5, -80.75], [-26.75, -80.65], [-27.0, -80.75], [-27.25, -80.65], [-27.5, -80.75], [-27.75, -80.65], [-28.0, -80.75], [-28.25, -80.65], [-28.5, -80.75], [-28.75, -80.65], [-29.0, -80.75], [-29.25, -80.65], [-29.32, -80.68], [-29.47, -81.03], [-30.0, -81.25], [-30.25, -81.15], [-30.5, -81.25], [-30.75, -81.15], [-31.0, -81.25], [-31.25, -81.15], [-31.5, -81.25], [-31.75, -81.15], [-32.0, -81.25], [-32.25, -81.15], [-32.5, -81.25], [-32.75, -81.15], [-33.0, -81.25], [-33.25, -81.15], [-33.5, -81.25], [-33.75, -81.15], [-34.0, -81.25], [-34.25, -81.15], [-34.5, -81.25], [-34.75, -81.15], [-35.0, -81.25], [-35.25, -81.15], [-35.5, -81.25], [-35.75, -81.15], [-36.0, -81.25], [-36.25, -81.15], [-36.5, -81.25], [-36.75, -81.15], [-37.0, -81.25], [-37.25, -81.15], [-37.5, -81.25], [-37.75, -81.15], [-38.0, -81.25], [-38.25, -81.15], [-38.5, -81.25], [-38.75, -81.15], [-39.0, -81.25], [-39.25, -81.15], [-39.5, -81.25], [-40.03, -81.03]]]]}, "2020-02-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.03, -81.03], [-40.25, -80.5], [-40.03, -79.97], [-39.5, -79.75], [-39.25, -79.85], [-39.0, -79.75], [-38.75, -79.85], [-38.5, -79.75], [-38.25, -79.85], [-38.0, -79.75], [-37.75, -79.85], [-37.5, -79.75], [-37.25, -79.85], [-37.18, -79.82], [-37.03, -79.47], [-36.5, -79.25], [-36.25, -79.35], [-36.0, -79.25], [-35.75, -79.35], [-35.5, -79.25], [-35.25, -79.35], [-35.0, -79.25], [-34.75, -79.35], [-34.68, -79.32], [-34.53, -78.97], [-34.0, -78.75], [-33.75, -78.85], [-33.5, -78.75], [-33.25, -78.85], [-33.0, -78.75], [-32.75, -78.85], [-32.5, -78.75], [-32.25, -78.85], [-32.0, -78.75], [-31.75, -78.85], [-31.68, -78.82], [-31.53, -78.47], [-31.0, -78.25], [-30.75, -78.35], [-30.5, -78.25], [-30.25, -78.35], [-30.0, -78.25], [-29.75, -78.35], [-29.5, -78.25], [-29.25, -78.35], [-29.0, -78.25], [-28.75, -78.35], [-28.5, -78.25], [-28.25, -78.35], [-28.0, -78.25], [-27.75, -78.35], [-27.5, -78.25], [-27.25, -78.35], [-27.0, -78.25], [-26.75, -78.35], [-26.5, -78.25], [-26.25, -78.35], [-26.18, -78.32], [-26.03, -77.97], [-25.5, -77.75], [-25.25, -77.85], [-25.0, -77.75], [-24.75, -77.85], [-24.5, -77.75], [-24.25, -77.85], [-24.18, -77.82], [-24.03, -77.47], [-23.5, -77.25], [-23.25, -77.35], [-23.0, -77.25], [-22.75, -77.35], [-22.5, -77.25], [-22.25, -77.35], [-22.0, -77.25], [-21.75, -77.35], [-21.5, -77.25], [-21.25, -77.35], [-21.0, -77.25], [-20.75, -77.35], [-20.5, -77.25], [-20.25, -77.35], [-20.0, -77.25], [-19.75, -77.35], [-19.5, -77.25], [-19.25, -77.35], [-19.0, -77.25], [-18.75, -77.35], [-18.5, -77.25], [-18.25, -77.35], [-18.0, -77.25], [-17.75, -77.35], [-17.5, -77.25], [-17.25, -77.35], [-17.0, -77.25], [-16.75, -77.35], [-16.5, -77.25], [-16.25, -77.35], [-16.0, -77.25], [-15.75, -77.35], [-15.5, -77.25], [-15.25, -77.35], [-15.0, -77.25], [-14.75, -77.35], [-14.5, -77.25], [-14.25, -77.35], [-14.0, -77.25], [-13.47, -77.47], [-13.32, -77.82], [-12.97, -77.97], [-12.75, -78.5], [-12.97, -79.03], [-13.32, -79.18], [-13.47, -79.53], [-14.0, -79.75], [-14.25, -79.65], [-14.5, -79.75], [-14.75, -79.65], [-14.82, -79.68], [-14.97, -80.03], [-15.5, -80.25], [-15.75, -80.15], [-16.0, -80.25], [-16.25, -80.15], [-16.5, -80.25], [-16.75, -80.15], [-17.0, -80.25], [-17.25, -80.15], [-17.5, -80.25], [-17.75, -80.15], [-17.82, -80.18], [-17.97, -80.53], [-18.5, -80.75], [-18.75, -80.65], [-19.0, -80.75], [-19.25, -80.65], [-19.5, -80.75], [-19.75, -80.65], [-20.0, -80.75], [-20.25, -80.65], [-20.5, -80.75], [-20.75, -80.65], [-21.0, -80.75], [-21.25, -80.65], [-21.5, -80.75], [-21.75, -80.65], [-22.0, -80.75], [-22.25, -80.65], [-22.5, -80.75], [-22.75, -80.65], [-23.0, -80.75], [-23.25, -80.65], [-23.5, -80.75], [-23.75, -80.65], [-24.0, -80.75], [-24.25, -80.65], [-24.5, -80.75], [-24.75, -80.65], [-25.0, -80.75], [-25.25, -80.65], [-25.5, -80.75], [-25.75, -80.65], [-26.0, -80.75], [-26.25, -80.65], [-26.5, -80.75], [-26.75, -80.65], [-27.0, -80.75], [-27.25, -80.65], [-27.5, -80.75], [-27.75, -80.65], [-28.0, -80.75], [-28.25, -80.65], [-28.5, -80.75], [-28.75, -80.65], [-29.0, -80.75], [-29.25, -80.65], [-29.32, -80.68], [-29.47, -81.03], [-30.0, -81.25], [-30.25, -81.15], [-30.5, -81.25], [-30.75, -81.15], [-31.0, -81.25], [-31.25, -81.15], [-31.5, -81.25], [-31.75, -81.15], [-32.0, -81.25], [-32.25, -81.15], [-32.5, -81.25], [-32.75, -81.15], [-33.0, -81.25], [-33.25, -81.15], [-33.5, -81.25], [-33.75, -81.15], [-34.0, -81.25], [-34.25, -81.15], [-34.5, -81.25], [-34.75, -81.15], [-35.0, -81.25], [-35.25, -81.15], [-35.5, -81.25], [-35.75, -81.15], [-36.0, -81.25], [-36.25, -81.15], [-36.5, -81.25], [-36.75, -81.15], [-37.0, -81.25], [-37.25, -81.15], [-37.5, -81.25], [-37.75, -81.15], [-38.0, -81.25], [-38.25, -81.15], [-38.5, -81.25], [-38.75, -81.15], [-39.0, -81.25], [-39.25, -81.15], [-39.5, -81.25], [-40.03, -81.03]]]]}, "2020-02-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.03, -81.03], [-40.25, -80.5], [-40.03, -79.97], [-39.5, -79.75], [-39.25, -79.85], [-39.0, -79.75], [-38.75, -79.85], [-38.5, -79.75], [-38.25, -79.85], [-38.0, -79.75], [-37.75, -79.85], [-37.5, -79.75], [-37.25, -79.85], [-37.18, -79.82], [-37.03, -79.47], [-36.5, -79.25], [-36.25, -79.35], [-36.0, -79.25], [-35.75, -79.35], [-35.5, -79.25], [-35.25, -79.35], [-35.0, -79.25], [-34.75, -79.35], [-34.68, -79.32], [-34.53, -78.97], [-34.0, -78.75], [-33.75, -78.85], [-33.5, -78.75], [-33.25, -78.85], [-33.0, -78.75], [-32.75, -78.85], [-32.5, -78.75], [-32.25, -78.85], [-32.0, -78.75], [-31.75, -78.85], [-31.68, -78.82], [-31.53, -78.47], [-31.0, -78.25], [-30.75, -78.35], [-30.5, -78.25], [-30.25, -78.35], [-30.0, -78.25], [-29.75, -78.35], [-29.5, -78.25], [-29.25, -78.35], [-29.0, -78.25], [-28.75, -78.35], [-28.5, -78.25], [-28.25, -78.35], [-28.0, -78.25], [-27.75, -78.35], [-27.5, -78.25], [-27.25, -78.35], [-27.0, -78.25], [-26.75, -78.35], [-26.5, -78.25], [-26.25, -78.35], [-26.18, -78.32], [-26.03, -77.97], [-25.5, -77.75], [-25.25, -77.85], [-25.0, -77.75], [-24.75, -77.85], [-24.5, -77.75], [-24.25, -77.85], [-24.18, -77.82], [-24.03, -77.47], [-23.5, -77.25], [-23.25, -77.35], [-23.0, -77.25], [-22.75, -77.35], [-22.5, -77.25], [-22.25, -77.35], [-22.0, -77.25], [-21.75, -77.35], [-21.5, -77.25], [-21.25, -77.35], [-21.0, -77.25], [-20.75, -77.35], [-20.5, -77.25], [-20.25, -77.35], [-20.0, -77.25], [-19.75, -77.35], [-19.5, -77.25], [-19.25, -77.35], [-19.0, -77.25], [-18.75, -77.35], [-18.5, -77.25], [-18.25, -77.35], [-18.0, -77.25], [-17.75, -77.35], [-17.5, -77.25], [-17.25, -77.35], [-17.0, -77.25], [-16.75, -77.35], [-16.5, -77.25], [-16.25, -77.35], [-16.0, -77.25], [-15.75, -77.35], [-15.5, -77.25], [-15.25, -77.35], [-15.0, -77.25], [-14.75, -77.35], [-14.5, -77.25], [-14.25, -77.35], [-14.0, -77.25], [-13.47, -77.47], [-13.32, -77.82], [-12.97, -77.97], [-12.75, -78.5], [-12.97, -79.03], [-13.32, -79.18], [-13.47, -79.53], [-14.0, -79.75], [-14.25, -79.65], [-14.5, -79.75], [-14.75, -79.65], [-14.82, -79.68], [-14.97, -80.03], [-15.5, -80.25], [-15.75, -80.15], [-16.0, -80.25], [-16.25, -80.15], [-16.5, -80.25], [-16.75, -80.15], [-17.0, -80.25], [-17.25, -80.15], [-17.5, -80.25], [-17.75, -80.15], [-17.82, -80.18], [-17.97, -80.53], [-18.5, -80.75], [-18.75, -80.65], [-19.0, -80.75], [-19.25, -80.65], [-19.5, -80.75], [-19.75, -80.65], [-20.0, -80.75], [-20.25, -80.65], [-20.5, -80.75], [-20.75, -80.65], [-21.0, -80.75], [-21.25, -80.65], [-21.5, -80.75], [-21.75, -80.65], [-22.0, -80.75], [-22.25, -80.65], [-22.5, -80.75], [-22.75, -80.65], [-23.0, -80.75], [-23.25, -80.65], [-23.5, -80.75], [-23.75, -80.65], [-24.0, -80.75], [-24.25, -80.65], [-24.5, -80.75], [-24.75, -80.65], [-25.0, -80.75], [-25.25, -80.65], [-25.5, -80.75], [-25.75, -80.65], [-26.0, -80.75], [-26.25, -80.65], [-26.5, -80.75], [-26.75, -80.65], [-27.0, -80.75], [-27.25, -80.65], [-27.5, -80.75], [-27.75, -80.65], [-28.0, -80.75], [-28.25, -80.65], [-28.5, -80.75], [-28.75, -80.65], [-29.0, -80.75], [-29.25, -80.65], [-29.32, -80.68], [-29.47, -81.03], [-30.0, -81.25], [-30.25, -81.15], [-30.5, -81.25], [-30.75, -81.15], [-31.0, -81.25], [-31.25, -81.15], [-31.5, -81.25], [-31.75, -81.15], [-32.0, -81.25], [-32.25, -81.15], [-32.5, -81.25], [-32.75, -81.15], [-33.0, -81.25], [-33.25, -81.15], [-33.5, -81.25], [-33.75, -81.15], [-34.0, -81.25], [-34.25, -81.15], [-34.5, -81.25], [-34.75, -81.15], [-35.0, -81.25], [-35.25, -81.15], [-35.5, -81.25], [-35.75, -81.15], [-36.0, -81.25], [-36.25, -81.15], [-36.5, -81.25], [-36.75, -81.15], [-37.0, -81.25], [-37.25, -81.15], [-37.5, -81.25], [-37.75, -81.15], [-38.0, -81.25], [-38.25, -81.15], [-38.5, -81.25], [-38.75, -81.15], [-39.0, -81.25], [-39.25, -81.15], [-39.5, -81.25], [-40.03, -81.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.021259923512105}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.528849703399769}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-6.565091850397948, -9.194393403069967, -7.540180696294328, -10.481617521206147]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-6.539599877660578, -2.6164471137474834, -2.281884818078254, -6.375078566930426]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.888068616979467, 6.182934663873345, 8.056280795429842, 5.366085434740915]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.9364138569039255, 8.88859269640244, 10.021259923512105, 7.067548767419112]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.393477424989765, 2.002780111539747, 2.5921428029789073, 1.7136383603650092]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3992633840495474, 2.5620591902996384, 3.090412169547825, 2.3559342180331555]}}