{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:56.579925", "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": "2010-Oct-10_to_2010-Oct-12_273.5_40.0"}, "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": 2010100001859}, "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 10 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 12 2010"}, "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": 57138.87644508029}, "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": ["United States"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.North-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North 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": 40.0}, "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": 273.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "273.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 270.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 275.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 38.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 40.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-10-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-89.18, 40.68], [-89.03, 41.03], [-88.5, 41.25], [-87.97, 41.03], [-87.82, 40.68], [-87.75, 40.65], [-87.5, 40.75], [-87.25, 40.65], [-87.0, 40.75], [-86.75, 40.65], [-86.5, 40.75], [-86.25, 40.65], [-86.0, 40.75], [-85.75, 40.65], [-85.5, 40.75], [-85.25, 40.65], [-85.0, 40.75], [-84.47, 40.53], [-84.25, 40.0], [-84.35, 39.75], [-84.25, 39.5], [-84.47, 38.97], [-85.0, 38.75], [-85.25, 38.85], [-85.32, 38.82], [-85.47, 38.47], [-85.82, 38.32], [-85.97, 37.97], [-86.5, 37.75], [-87.03, 37.97], [-87.18, 38.32], [-87.53, 38.47], [-87.68, 38.82], [-87.75, 38.85], [-88.0, 38.75], [-88.25, 38.85], [-88.5, 38.75], [-88.75, 38.85], [-89.0, 38.75], [-89.25, 38.85], [-89.5, 38.75], [-90.03, 38.97], [-90.25, 39.5], [-90.03, 40.03], [-89.68, 40.18], [-89.53, 40.53], [-89.18, 40.68]]]]}, "2010-10-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-89.18, 40.68], [-89.03, 41.03], [-88.5, 41.25], [-87.97, 41.03], [-87.82, 40.68], [-87.75, 40.65], [-87.5, 40.75], [-87.25, 40.65], [-87.0, 40.75], [-86.75, 40.65], [-86.5, 40.75], [-86.25, 40.65], [-86.0, 40.75], [-85.75, 40.65], [-85.5, 40.75], [-85.25, 40.65], [-85.0, 40.75], [-84.47, 40.53], [-84.25, 40.0], [-84.35, 39.75], [-84.25, 39.5], [-84.47, 38.97], [-85.0, 38.75], [-85.25, 38.85], [-85.32, 38.82], [-85.47, 38.47], [-85.82, 38.32], [-85.97, 37.97], [-86.5, 37.75], [-87.03, 37.97], [-87.18, 38.32], [-87.53, 38.47], [-87.68, 38.82], [-87.75, 38.85], [-88.0, 38.75], [-88.25, 38.85], [-88.5, 38.75], [-88.75, 38.85], [-89.0, 38.75], [-89.25, 38.85], [-89.5, 38.75], [-90.03, 38.97], [-90.25, 39.5], [-90.03, 40.03], [-89.68, 40.18], [-89.53, 40.53], [-89.18, 40.68]]]]}, "2010-10-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-89.18, 40.68], [-89.03, 41.03], [-88.5, 41.25], [-87.97, 41.03], [-87.82, 40.68], [-87.75, 40.65], [-87.5, 40.75], [-87.25, 40.65], [-87.0, 40.75], [-86.75, 40.65], [-86.5, 40.75], [-86.25, 40.65], [-86.0, 40.75], [-85.75, 40.65], [-85.5, 40.75], [-85.25, 40.65], [-85.0, 40.75], [-84.47, 40.53], [-84.25, 40.0], [-84.35, 39.75], [-84.25, 39.5], [-84.47, 38.97], [-85.0, 38.75], [-85.25, 38.85], [-85.32, 38.82], [-85.47, 38.47], [-85.82, 38.32], [-85.97, 37.97], [-86.5, 37.75], [-87.03, 37.97], [-87.18, 38.32], [-87.53, 38.47], [-87.68, 38.82], [-87.75, 38.85], [-88.0, 38.75], [-88.25, 38.85], [-88.5, 38.75], [-88.75, 38.85], [-89.0, 38.75], [-89.25, 38.85], [-89.5, 38.75], [-90.03, 38.97], [-90.25, 39.5], [-90.03, 40.03], [-89.68, 40.18], [-89.53, 40.53], [-89.18, 40.68]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.13946047795747}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.549258490792199}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.938521779744462, 21.62810806552585, 20.090384166777085]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.56357188581984, 22.413783229164153, 21.13404708565895]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.267057419050308, 7.303464130603511, 6.077253922722778]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.174432689343007, 8.13946047795747, 6.668429134534904]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3854058419356852, 1.683727366669711, 1.4325647324760462]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5965520663461776, 1.8525594102866239, 1.5506161976541013]}}