{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:51:56.561649", "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": "2024-May-13_to_2024-May-15_327.5_-74.5"}, "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": 2024050001374}, "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 13 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 15 2024"}, "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": 164090.7318164163}, "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", "Southern-Ocean"]}, "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": -74.5}, "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": 318.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 340.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -75.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -71.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-05-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-41.53, -72.47], [-41.0, -72.25], [-40.75, -72.35], [-40.5, -72.25], [-40.25, -72.35], [-40.0, -72.25], [-39.75, -72.35], [-39.5, -72.25], [-39.25, -72.35], [-39.18, -72.32], [-39.03, -71.97], [-38.5, -71.75], [-38.25, -71.85], [-38.0, -71.75], [-37.75, -71.85], [-37.5, -71.75], [-37.25, -71.85], [-37.0, -71.75], [-36.75, -71.85], [-36.5, -71.75], [-36.25, -71.85], [-36.0, -71.75], [-35.75, -71.85], [-35.5, -71.75], [-35.25, -71.85], [-35.0, -71.75], [-34.75, -71.85], [-34.5, -71.75], [-34.25, -71.85], [-34.0, -71.75], [-33.47, -71.97], [-33.32, -72.32], [-33.25, -72.35], [-33.0, -72.25], [-32.75, -72.35], [-32.5, -72.25], [-32.25, -72.35], [-32.0, -72.25], [-31.75, -72.35], [-31.5, -72.25], [-31.25, -72.35], [-31.0, -72.25], [-30.47, -72.47], [-30.32, -72.82], [-30.25, -72.85], [-30.0, -72.75], [-29.75, -72.85], [-29.5, -72.75], [-29.25, -72.85], [-29.0, -72.75], [-28.75, -72.85], [-28.5, -72.75], [-28.25, -72.85], [-28.0, -72.75], [-27.75, -72.85], [-27.5, -72.75], [-27.25, -72.85], [-27.0, -72.75], [-26.75, -72.85], [-26.5, -72.75], [-26.25, -72.85], [-26.0, -72.75], [-25.75, -72.85], [-25.5, -72.75], [-25.25, -72.85], [-25.0, -72.75], [-24.75, -72.85], [-24.5, -72.75], [-24.25, -72.85], [-24.18, -72.82], [-24.03, -72.47], [-23.5, -72.25], [-23.25, -72.35], [-23.0, -72.25], [-22.75, -72.35], [-22.68, -72.32], [-22.53, -71.97], [-22.0, -71.75], [-21.75, -71.85], [-21.68, -71.82], [-21.53, -71.47], [-21.0, -71.25], [-20.75, -71.35], [-20.5, -71.25], [-20.25, -71.35], [-20.0, -71.25], [-19.75, -71.35], [-19.5, -71.25], [-18.97, -71.47], [-18.75, -72.0], [-18.96, -72.5], [-18.75, -73.0], [-18.97, -73.53], [-19.32, -73.68], [-19.47, -74.03], [-20.0, -74.25], [-20.25, -74.15], [-20.5, -74.25], [-20.75, -74.15], [-20.82, -74.18], [-20.97, -74.53], [-21.5, -74.75], [-21.75, -74.65], [-22.0, -74.75], [-22.25, -74.65], [-22.5, -74.75], [-22.75, -74.65], [-23.0, -74.75], [-23.25, -74.65], [-23.32, -74.68], [-23.47, -75.03], [-23.82, -75.18], [-23.97, -75.53], [-24.5, -75.75], [-24.75, -75.65], [-25.0, -75.75], [-25.25, -75.65], [-25.5, -75.75], [-25.75, -75.65], [-26.0, -75.75], [-26.25, -75.65], [-26.32, -75.68], [-26.47, -76.03], [-27.0, -76.25], [-27.25, -76.15], [-27.5, -76.25], [-27.75, -76.15], [-28.0, -76.25], [-28.25, -76.15], [-28.5, -76.25], [-28.75, -76.15], [-29.0, -76.25], [-29.25, -76.15], [-29.5, -76.25], [-29.75, -76.15], [-30.0, -76.25], [-30.25, -76.15], [-30.5, -76.25], [-30.75, -76.15], [-31.0, -76.25], [-31.25, -76.15], [-31.5, -76.25], [-31.75, -76.15], [-32.0, -76.25], [-32.53, -76.03], [-32.68, -75.68], [-32.75, -75.65], [-33.0, -75.75], [-33.25, -75.65], [-33.5, -75.75], [-33.75, -75.65], [-34.0, -75.75], [-34.25, -75.65], [-34.5, -75.75], [-34.75, -75.65], [-35.0, -75.75], [-35.25, -75.65], [-35.5, -75.75], [-36.03, -75.53], [-36.18, -75.18], [-36.25, -75.15], [-36.5, -75.25], [-36.75, -75.15], [-37.0, -75.25], [-37.25, -75.15], [-37.5, -75.25], [-37.75, -75.15], [-38.0, -75.25], [-38.53, -75.03], [-38.68, -74.68], [-38.75, -74.65], [-39.0, -74.75], [-39.25, -74.65], [-39.5, -74.75], [-40.03, -74.53], [-40.18, -74.18], [-40.25, -74.15], [-40.5, -74.25], [-40.75, -74.15], [-41.0, -74.25], [-41.53, -74.03], [-41.75, -73.5], [-41.65, -73.25], [-41.75, -73.0], [-41.53, -72.47]]]]}, "2024-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-41.53, -72.47], [-41.0, -72.25], [-40.75, -72.35], [-40.5, -72.25], [-40.25, -72.35], [-40.0, -72.25], [-39.75, -72.35], [-39.5, -72.25], [-39.25, -72.35], [-39.18, -72.32], [-39.03, -71.97], [-38.5, -71.75], [-38.25, -71.85], [-38.0, -71.75], [-37.75, -71.85], [-37.5, -71.75], [-37.25, -71.85], [-37.0, -71.75], [-36.75, -71.85], [-36.5, -71.75], [-36.25, -71.85], [-36.0, -71.75], [-35.75, -71.85], [-35.5, -71.75], [-35.25, -71.85], [-35.0, -71.75], [-34.75, -71.85], [-34.5, -71.75], [-34.25, -71.85], [-34.0, -71.75], [-33.47, -71.97], [-33.32, -72.32], [-33.25, -72.35], [-33.0, -72.25], [-32.75, -72.35], [-32.5, -72.25], [-32.25, -72.35], [-32.0, -72.25], [-31.75, -72.35], [-31.5, -72.25], [-31.25, -72.35], [-31.0, -72.25], [-30.47, -72.47], [-30.32, -72.82], [-30.25, -72.85], [-30.0, -72.75], [-29.75, -72.85], [-29.5, -72.75], [-29.25, -72.85], [-29.0, -72.75], [-28.75, -72.85], [-28.5, -72.75], [-28.25, -72.85], [-28.0, -72.75], [-27.75, -72.85], [-27.5, -72.75], [-27.25, -72.85], [-27.0, -72.75], [-26.75, -72.85], [-26.5, -72.75], [-26.25, -72.85], [-26.0, -72.75], [-25.75, -72.85], [-25.5, -72.75], [-25.25, -72.85], [-25.0, -72.75], [-24.75, -72.85], [-24.5, -72.75], [-24.25, -72.85], [-24.18, -72.82], [-24.03, -72.47], [-23.5, -72.25], [-23.25, -72.35], [-23.0, -72.25], [-22.75, -72.35], [-22.68, -72.32], [-22.53, -71.97], [-22.0, -71.75], [-21.75, -71.85], [-21.68, -71.82], [-21.53, -71.47], [-21.0, -71.25], [-20.75, -71.35], [-20.5, -71.25], [-20.25, -71.35], [-20.0, -71.25], [-19.75, -71.35], [-19.5, -71.25], [-18.97, -71.47], [-18.75, -72.0], [-18.96, -72.5], [-18.75, -73.0], [-18.97, -73.53], [-19.32, -73.68], [-19.47, -74.03], [-20.0, -74.25], [-20.25, -74.15], [-20.5, -74.25], [-20.75, -74.15], [-20.82, -74.18], [-20.97, -74.53], [-21.5, -74.75], [-21.75, -74.65], [-22.0, -74.75], [-22.25, -74.65], [-22.5, -74.75], [-22.75, -74.65], [-23.0, -74.75], [-23.25, -74.65], [-23.32, -74.68], [-23.47, -75.03], [-23.82, -75.18], [-23.97, -75.53], [-24.5, -75.75], [-24.75, -75.65], [-25.0, -75.75], [-25.25, -75.65], [-25.5, -75.75], [-25.75, -75.65], [-26.0, -75.75], [-26.25, -75.65], [-26.32, -75.68], [-26.47, -76.03], [-27.0, -76.25], [-27.25, -76.15], [-27.5, -76.25], [-27.75, -76.15], [-28.0, -76.25], [-28.25, -76.15], [-28.5, -76.25], [-28.75, -76.15], [-29.0, -76.25], [-29.25, -76.15], [-29.5, -76.25], [-29.75, -76.15], [-30.0, -76.25], [-30.25, -76.15], [-30.5, -76.25], [-30.75, -76.15], [-31.0, -76.25], [-31.25, -76.15], [-31.5, -76.25], [-31.75, -76.15], [-32.0, -76.25], [-32.53, -76.03], [-32.68, -75.68], [-32.75, -75.65], [-33.0, -75.75], [-33.25, -75.65], [-33.5, -75.75], [-33.75, -75.65], [-34.0, -75.75], [-34.25, -75.65], [-34.5, -75.75], [-34.75, -75.65], [-35.0, -75.75], [-35.25, -75.65], [-35.5, -75.75], [-36.03, -75.53], [-36.18, -75.18], [-36.25, -75.15], [-36.5, -75.25], [-36.75, -75.15], [-37.0, -75.25], [-37.25, -75.15], [-37.5, -75.25], [-37.75, -75.15], [-38.0, -75.25], [-38.53, -75.03], [-38.68, -74.68], [-38.75, -74.65], [-39.0, -74.75], [-39.25, -74.65], [-39.5, -74.75], [-40.03, -74.53], [-40.18, -74.18], [-40.25, -74.15], [-40.5, -74.25], [-40.75, -74.15], [-41.0, -74.25], [-41.53, -74.03], [-41.75, -73.5], [-41.65, -73.25], [-41.75, -73.0], [-41.53, -72.47]]]]}, "2024-05-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-41.53, -72.47], [-41.0, -72.25], [-40.75, -72.35], [-40.5, -72.25], [-40.25, -72.35], [-40.0, -72.25], [-39.75, -72.35], [-39.5, -72.25], [-39.25, -72.35], [-39.18, -72.32], [-39.03, -71.97], [-38.5, -71.75], [-38.25, -71.85], [-38.0, -71.75], [-37.75, -71.85], [-37.5, -71.75], [-37.25, -71.85], [-37.0, -71.75], [-36.75, -71.85], [-36.5, -71.75], [-36.25, -71.85], [-36.0, -71.75], [-35.75, -71.85], [-35.5, -71.75], [-35.25, -71.85], [-35.0, -71.75], [-34.75, -71.85], [-34.5, -71.75], [-34.25, -71.85], [-34.0, -71.75], [-33.47, -71.97], [-33.32, -72.32], [-33.25, -72.35], [-33.0, -72.25], [-32.75, -72.35], [-32.5, -72.25], [-32.25, -72.35], [-32.0, -72.25], [-31.75, -72.35], [-31.5, -72.25], [-31.25, -72.35], [-31.0, -72.25], [-30.47, -72.47], [-30.32, -72.82], [-30.25, -72.85], [-30.0, -72.75], [-29.75, -72.85], [-29.5, -72.75], [-29.25, -72.85], [-29.0, -72.75], [-28.75, -72.85], [-28.5, -72.75], [-28.25, -72.85], [-28.0, -72.75], [-27.75, -72.85], [-27.5, -72.75], [-27.25, -72.85], [-27.0, -72.75], [-26.75, -72.85], [-26.5, -72.75], [-26.25, -72.85], [-26.0, -72.75], [-25.75, -72.85], [-25.5, -72.75], [-25.25, -72.85], [-25.0, -72.75], [-24.75, -72.85], [-24.5, -72.75], [-24.25, -72.85], [-24.18, -72.82], [-24.03, -72.47], [-23.5, -72.25], [-23.25, -72.35], [-23.0, -72.25], [-22.75, -72.35], [-22.68, -72.32], [-22.53, -71.97], [-22.0, -71.75], [-21.75, -71.85], [-21.68, -71.82], [-21.53, -71.47], [-21.0, -71.25], [-20.75, -71.35], [-20.5, -71.25], [-20.25, -71.35], [-20.0, -71.25], [-19.75, -71.35], [-19.5, -71.25], [-18.97, -71.47], [-18.75, -72.0], [-18.96, -72.5], [-18.75, -73.0], [-18.97, -73.53], [-19.32, -73.68], [-19.47, -74.03], [-20.0, -74.25], [-20.25, -74.15], [-20.5, -74.25], [-20.75, -74.15], [-20.82, -74.18], [-20.97, -74.53], [-21.5, -74.75], [-21.75, -74.65], [-22.0, -74.75], [-22.25, -74.65], [-22.5, -74.75], [-22.75, -74.65], [-23.0, -74.75], [-23.25, -74.65], [-23.32, -74.68], [-23.47, -75.03], [-23.82, -75.18], [-23.97, -75.53], [-24.5, -75.75], [-24.75, -75.65], [-25.0, -75.75], [-25.25, -75.65], [-25.5, -75.75], [-25.75, -75.65], [-26.0, -75.75], [-26.25, -75.65], [-26.32, -75.68], [-26.47, -76.03], [-27.0, -76.25], [-27.25, -76.15], [-27.5, -76.25], [-27.75, -76.15], [-28.0, -76.25], [-28.25, -76.15], [-28.5, -76.25], [-28.75, -76.15], [-29.0, -76.25], [-29.25, -76.15], [-29.5, -76.25], [-29.75, -76.15], [-30.0, -76.25], [-30.25, -76.15], [-30.5, -76.25], [-30.75, -76.15], [-31.0, -76.25], [-31.25, -76.15], [-31.5, -76.25], [-31.75, -76.15], [-32.0, -76.25], [-32.53, -76.03], [-32.68, -75.68], [-32.75, -75.65], [-33.0, -75.75], [-33.25, -75.65], [-33.5, -75.75], [-33.75, -75.65], [-34.0, -75.75], [-34.25, -75.65], [-34.5, -75.75], [-34.75, -75.65], [-35.0, -75.75], [-35.25, -75.65], [-35.5, -75.75], [-36.03, -75.53], [-36.18, -75.18], [-36.25, -75.15], [-36.5, -75.25], [-36.75, -75.15], [-37.0, -75.25], [-37.25, -75.15], [-37.5, -75.25], [-37.75, -75.15], [-38.0, -75.25], [-38.53, -75.03], [-38.68, -74.68], [-38.75, -74.65], [-39.0, -74.75], [-39.25, -74.65], [-39.5, -74.75], [-40.03, -74.53], [-40.18, -74.18], [-40.25, -74.15], [-40.5, -74.25], [-40.75, -74.15], [-41.0, -74.25], [-41.53, -74.03], [-41.75, -73.5], [-41.65, -73.25], [-41.75, -73.0], [-41.53, -72.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 14.946450339952293}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 10.446233491611148}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-10.263593366717544, -9.137400765381699, -11.685285787493342]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-7.794198559361973, -7.902010861784504, -9.288583432850771]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [10.422743081802485, 11.661707464538095, 9.25424992849282]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [13.745595378765302, 14.946450339952293, 10.934025795063775]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.923681415378186, 2.1424392239935117, 1.707155078146566]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.334462198888385, 2.4448635796260363, 2.0445403960315764]}}