{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:45.695517", "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-May-10_to_2010-May-12_266.5_58.5"}, "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": 2010050001724}, "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 10 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 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": 79504.41385914903}, "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": ["Canada"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": 58.5}, "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": 266.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "266.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 257.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 266.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 57.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 60.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-103.03, 58.97], [-103.25, 59.5], [-103.03, 60.03], [-102.5, 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[-98.5, 57.75], [-98.75, 57.85], [-99.0, 57.75], [-99.25, 57.85], [-99.5, 57.75], [-100.03, 57.97], [-100.18, 58.32], [-100.25, 58.35], [-100.5, 58.25], [-100.75, 58.35], [-101.0, 58.25], [-101.53, 58.47], [-101.68, 58.82], [-101.75, 58.85], [-102.0, 58.75], [-102.25, 58.85], [-102.5, 58.75], [-103.03, 58.97]]]]}, "2010-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-103.03, 58.97], [-103.25, 59.5], [-103.03, 60.03], [-102.5, 60.25], [-102.25, 60.15], [-102.0, 60.25], [-101.75, 60.15], [-101.68, 60.18], [-101.53, 60.53], [-101.0, 60.75], [-100.75, 60.65], [-100.5, 60.75], [-100.25, 60.65], [-100.0, 60.75], [-99.75, 60.65], [-99.5, 60.75], [-99.25, 60.65], [-99.0, 60.75], [-98.75, 60.65], [-98.5, 60.75], [-97.97, 60.53], [-97.82, 60.18], [-97.75, 60.15], [-97.5, 60.25], [-97.25, 60.15], [-97.0, 60.25], [-96.75, 60.15], [-96.5, 60.25], [-96.25, 60.15], [-96.0, 60.25], [-95.47, 60.03], [-95.32, 59.68], [-95.25, 59.65], [-95.0, 59.75], [-94.47, 59.53], [-94.32, 59.18], [-94.25, 59.15], [-94.0, 59.25], [-93.75, 59.15], [-93.5, 59.25], [-92.97, 59.03], [-92.75, 58.5], [-92.85, 58.25], [-92.75, 58.0], [-92.97, 57.47], [-93.5, 57.25], [-93.75, 57.35], [-94.0, 57.25], [-94.25, 57.35], [-94.5, 57.25], [-94.75, 57.35], [-95.0, 57.25], [-95.25, 57.35], [-95.5, 57.25], [-96.03, 57.47], [-96.18, 57.82], [-96.25, 57.85], [-96.5, 57.75], [-96.75, 57.85], [-97.0, 57.75], [-97.25, 57.85], [-97.5, 57.75], [-98.0, 57.96], [-98.5, 57.75], [-98.75, 57.85], [-99.0, 57.75], [-99.25, 57.85], [-99.5, 57.75], [-100.03, 57.97], [-100.18, 58.32], [-100.25, 58.35], [-100.5, 58.25], [-100.75, 58.35], [-101.0, 58.25], [-101.53, 58.47], [-101.68, 58.82], [-101.75, 58.85], [-102.0, 58.75], [-102.25, 58.85], [-102.5, 58.75], [-103.03, 58.97]]]]}, "2010-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-103.03, 58.97], [-103.25, 59.5], [-103.03, 60.03], [-102.5, 60.25], [-102.25, 60.15], [-102.0, 60.25], [-101.75, 60.15], [-101.68, 60.18], [-101.53, 60.53], [-101.0, 60.75], [-100.75, 60.65], [-100.5, 60.75], [-100.25, 60.65], [-100.0, 60.75], [-99.75, 60.65], [-99.5, 60.75], [-99.25, 60.65], [-99.0, 60.75], [-98.75, 60.65], [-98.5, 60.75], [-97.97, 60.53], [-97.82, 60.18], [-97.75, 60.15], [-97.5, 60.25], [-97.25, 60.15], [-97.0, 60.25], [-96.75, 60.15], [-96.5, 60.25], [-96.25, 60.15], [-96.0, 60.25], [-95.47, 60.03], [-95.32, 59.68], [-95.25, 59.65], [-95.0, 59.75], [-94.47, 59.53], [-94.32, 59.18], [-94.25, 59.15], [-94.0, 59.25], [-93.75, 59.15], [-93.5, 59.25], [-92.97, 59.03], [-92.75, 58.5], [-92.85, 58.25], [-92.75, 58.0], [-92.97, 57.47], [-93.5, 57.25], [-93.75, 57.35], [-94.0, 57.25], [-94.25, 57.35], [-94.5, 57.25], [-94.75, 57.35], [-95.0, 57.25], [-95.25, 57.35], [-95.5, 57.25], [-96.03, 57.47], [-96.18, 57.82], [-96.25, 57.85], [-96.5, 57.75], [-96.75, 57.85], [-97.0, 57.75], [-97.25, 57.85], [-97.5, 57.75], [-98.0, 57.96], [-98.5, 57.75], [-98.75, 57.85], [-99.0, 57.75], [-99.25, 57.85], [-99.5, 57.75], [-100.03, 57.97], [-100.18, 58.32], [-100.25, 58.35], [-100.5, 58.25], [-100.75, 58.35], [-101.0, 58.25], [-101.53, 58.47], [-101.68, 58.82], [-101.75, 58.85], [-102.0, 58.75], [-102.25, 58.85], [-102.5, 58.75], [-103.03, 58.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 12.83164757905439}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 9.691670636198292}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [6.324225516915874, 8.271566938617298, 8.564728326183683]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [7.953631627759194, 10.372944627585241, 11.05103109544251]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [8.48531558126945, 10.321320282505589, 10.268376044819837]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [9.819184938213255, 12.83164757905439, 12.011630508222993]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6107997802696363, 1.9580584769064182, 1.9193494245086486]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9224575997843463, 2.7617775416106065, 2.495306217838538]}}