{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:28.654633", "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": "2014-May-12_to_2014-May-14_279.0_35.5"}, "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": 2014050001952}, "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 12 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 14 2014"}, "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": 88989.58489286265}, "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": 35.5}, "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": 279.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "279.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 276.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 280.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 34.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 38.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-84.03, 37.53], [-83.68, 37.68], [-83.65, 37.75], [-83.75, 38.0], [-83.53, 38.53], [-83.18, 38.68], [-83.03, 39.03], [-82.5, 39.25], [-82.25, 39.15], [-82.0, 39.25], [-81.47, 39.03], [-81.32, 38.68], [-81.25, 38.65], [-81.0, 38.75], [-80.47, 38.53], [-80.32, 38.18], [-80.25, 38.15], [-80.0, 38.25], [-79.47, 38.03], [-79.25, 37.5], [-79.46, 37.0], [-79.25, 36.5], [-79.35, 36.25], [-79.25, 36.0], [-79.47, 35.47], [-79.82, 35.32], [-79.97, 34.97], [-80.5, 34.75], [-80.75, 34.85], [-81.0, 34.75], [-81.25, 34.85], [-81.32, 34.82], [-81.47, 34.47], [-82.0, 34.25], [-82.53, 34.47], [-82.75, 35.0], [-82.65, 35.25], [-82.75, 35.5], [-82.65, 35.75], [-82.75, 36.0], [-82.62, 36.3], [-82.75, 36.35], [-82.82, 36.32], [-82.97, 35.97], [-83.5, 35.75], [-84.03, 35.97], [-84.25, 36.5], [-84.15, 36.75], [-84.25, 37.0], [-84.03, 37.53]]]]}, "2014-05-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-84.03, 37.53], [-83.68, 37.68], [-83.65, 37.75], [-83.75, 38.0], [-83.53, 38.53], [-83.18, 38.68], [-83.03, 39.03], [-82.5, 39.25], [-82.25, 39.15], [-82.0, 39.25], [-81.47, 39.03], [-81.32, 38.68], [-81.25, 38.65], [-81.0, 38.75], [-80.47, 38.53], [-80.32, 38.18], [-80.25, 38.15], [-80.0, 38.25], [-79.47, 38.03], [-79.25, 37.5], [-79.46, 37.0], [-79.25, 36.5], [-79.35, 36.25], [-79.25, 36.0], [-79.47, 35.47], [-79.82, 35.32], [-79.97, 34.97], [-80.5, 34.75], [-80.75, 34.85], [-81.0, 34.75], [-81.25, 34.85], [-81.32, 34.82], [-81.47, 34.47], [-82.0, 34.25], [-82.53, 34.47], [-82.75, 35.0], [-82.65, 35.25], [-82.75, 35.5], [-82.65, 35.75], [-82.75, 36.0], [-82.62, 36.3], [-82.75, 36.35], [-82.82, 36.32], [-82.97, 35.97], [-83.5, 35.75], [-84.03, 35.97], [-84.25, 36.5], [-84.15, 36.75], [-84.25, 37.0], [-84.03, 37.53]]]]}, "2014-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-84.03, 37.53], [-83.68, 37.68], [-83.65, 37.75], [-83.75, 38.0], [-83.53, 38.53], [-83.18, 38.68], [-83.03, 39.03], [-82.5, 39.25], [-82.25, 39.15], [-82.0, 39.25], [-81.47, 39.03], [-81.32, 38.68], [-81.25, 38.65], [-81.0, 38.75], [-80.47, 38.53], [-80.32, 38.18], [-80.25, 38.15], [-80.0, 38.25], [-79.47, 38.03], [-79.25, 37.5], [-79.46, 37.0], [-79.25, 36.5], [-79.35, 36.25], [-79.25, 36.0], [-79.47, 35.47], [-79.82, 35.32], [-79.97, 34.97], [-80.5, 34.75], [-80.75, 34.85], [-81.0, 34.75], [-81.25, 34.85], [-81.32, 34.82], [-81.47, 34.47], [-82.0, 34.25], [-82.53, 34.47], [-82.75, 35.0], [-82.65, 35.25], [-82.75, 35.5], [-82.65, 35.75], [-82.75, 36.0], [-82.62, 36.3], [-82.75, 36.35], [-82.82, 36.32], [-82.97, 35.97], [-83.5, 35.75], [-84.03, 35.97], [-84.25, 36.5], [-84.15, 36.75], [-84.25, 37.0], [-84.03, 37.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.307710454143773}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.359950562953468}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.172218552222034, 23.45059546513812, 22.495472722755153]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.68716598683511, 25.933361357161687, 25.809790219363208]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.789440618139602, 6.097197520934246, 5.1932135497865595]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.553798233820544, 7.307710454143773, 6.096675851139423]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2693705592627695, 1.6122225504825258, 1.3835698280571735]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6814470121805631, 1.7879446473523821, 1.7649426382808995]}}