{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:35.065770", "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-Oct-09_to_2014-Oct-14_277.5_33.0"}, "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": 2014100001851}, "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 09 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 14 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 77811.3135476701}, "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": 33.0}, "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": 277.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "277.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 272.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 278.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 31.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 34.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-10-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.03, 32.97], [-86.25, 33.5], [-86.03, 34.03], [-85.5, 34.25], [-85.25, 34.15], [-85.18, 34.18], [-85.03, 34.53], [-84.5, 34.75], [-84.25, 34.65], [-84.0, 34.75], [-83.47, 34.53], [-83.25, 34.0], [-83.35, 33.75], [-83.25, 33.5], [-83.35, 33.25], [-83.25, 33.0], [-83.47, 32.47], [-84.0, 32.25], [-84.53, 32.47], [-84.68, 32.82], [-84.75, 32.85], [-85.0, 32.75], [-85.25, 32.85], [-85.5, 32.75], [-86.03, 32.97]]]]}, "2014-10-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.0, 34.75], [-84.75, 34.65], [-84.5, 34.75], [-84.25, 34.65], [-84.0, 34.75], [-83.47, 34.53], [-83.32, 34.18], [-83.25, 34.15], [-83.0, 34.25], [-82.47, 34.03], [-82.32, 33.68], [-81.97, 33.53], [-81.75, 33.0], [-81.97, 32.47], [-82.5, 32.25], [-82.75, 32.35], [-83.0, 32.25], [-83.25, 32.35], [-83.5, 32.25], [-83.75, 32.35], [-84.0, 32.25], [-84.53, 32.47], [-84.68, 32.82], [-84.75, 32.85], [-85.0, 32.75], [-85.25, 32.85], [-85.5, 32.75], [-86.03, 32.97], [-86.25, 33.5], [-86.03, 34.03], [-85.68, 34.18], [-85.53, 34.53], [-85.0, 34.75]]]]}, "2014-10-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.0, 33.25], [-86.75, 33.15], [-86.5, 33.25], [-86.25, 33.15], [-86.18, 33.18], [-86.15, 33.25], [-86.25, 33.5], [-86.03, 34.03], [-85.68, 34.18], [-85.53, 34.53], [-85.0, 34.75], [-84.75, 34.65], [-84.5, 34.75], [-84.25, 34.65], [-84.0, 34.75], [-83.47, 34.53], [-83.32, 34.18], [-83.25, 34.15], [-83.0, 34.25], [-82.75, 34.15], [-82.5, 34.25], [-82.25, 34.15], [-82.0, 34.25], [-81.47, 34.03], [-81.25, 33.5], [-81.46, 33.0], [-81.25, 32.5], [-81.47, 31.97], [-82.0, 31.75], [-82.53, 31.97], [-82.68, 32.32], [-82.75, 32.35], [-83.0, 32.25], [-83.25, 32.35], [-83.5, 32.25], [-83.75, 32.35], [-83.82, 32.32], [-83.97, 31.97], [-84.5, 31.75], [-84.75, 31.85], [-84.82, 31.82], [-84.97, 31.47], [-85.5, 31.25], [-85.75, 31.35], [-86.0, 31.25], [-86.25, 31.35], [-86.5, 31.25], [-86.75, 31.35], [-87.0, 31.25], [-87.25, 31.35], [-87.5, 31.25], [-88.03, 31.47], [-88.25, 32.0], [-88.03, 32.53], [-87.68, 32.68], [-87.53, 33.03], [-87.0, 33.25]]]]}, "2014-10-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.0, 33.25], [-86.75, 33.15], [-86.5, 33.25], [-86.25, 33.15], [-86.18, 33.18], [-86.03, 33.53], [-85.68, 33.68], [-85.65, 33.75], [-85.75, 34.0], [-85.53, 34.53], [-85.0, 34.75], [-84.75, 34.65], [-84.5, 34.75], [-84.25, 34.65], [-84.0, 34.75], [-83.47, 34.53], [-83.32, 34.18], [-83.25, 34.15], [-83.0, 34.25], [-82.75, 34.15], [-82.5, 34.25], [-82.25, 34.15], [-82.0, 34.25], [-81.47, 34.03], [-81.25, 33.5], [-81.46, 33.0], [-81.25, 32.5], [-81.47, 31.97], [-82.0, 31.75], [-82.53, 31.97], [-82.68, 32.32], [-82.75, 32.35], [-83.0, 32.25], [-83.25, 32.35], [-83.5, 32.25], [-83.75, 32.35], [-83.82, 32.32], [-83.97, 31.97], [-84.5, 31.75], [-84.75, 31.85], [-84.82, 31.82], [-84.97, 31.47], [-85.5, 31.25], [-85.75, 31.35], [-86.0, 31.25], [-86.25, 31.35], [-86.5, 31.25], [-86.75, 31.35], [-87.0, 31.25], [-87.25, 31.35], [-87.5, 31.25], [-88.03, 31.47], [-88.25, 32.0], [-88.03, 32.53], [-87.68, 32.68], [-87.53, 33.03], [-87.0, 33.25]]]]}, "2014-10-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.0, 33.25], [-86.75, 33.15], [-86.5, 33.25], [-86.25, 33.15], [-86.18, 33.18], [-86.03, 33.53], [-85.68, 33.68], [-85.65, 33.75], [-85.75, 34.0], [-85.53, 34.53], [-85.0, 34.75], [-84.47, 34.53], [-84.32, 34.18], [-84.25, 34.15], [-84.0, 34.25], [-83.75, 34.15], [-83.5, 34.25], [-83.25, 34.15], [-83.0, 34.25], [-82.75, 34.15], [-82.5, 34.25], [-82.25, 34.15], [-82.0, 34.25], [-81.47, 34.03], [-81.25, 33.5], [-81.46, 33.0], [-81.25, 32.5], [-81.47, 31.97], [-82.0, 31.75], [-82.53, 31.97], [-82.68, 32.32], [-82.75, 32.35], [-83.0, 32.25], [-83.25, 32.35], [-83.5, 32.25], [-83.75, 32.35], [-83.82, 32.32], [-83.97, 31.97], [-84.5, 31.75], [-84.75, 31.85], [-84.82, 31.82], [-84.97, 31.47], [-85.5, 31.25], [-85.75, 31.35], [-86.0, 31.25], [-86.25, 31.35], [-86.5, 31.25], [-86.75, 31.35], [-87.0, 31.25], [-87.25, 31.35], [-87.5, 31.25], [-88.03, 31.47], [-88.25, 32.0], [-88.03, 32.53], [-87.68, 32.68], [-87.53, 33.03], [-87.0, 33.25]]]]}, "2014-10-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-84.25, 33.5], [-84.03, 34.03], [-83.5, 34.25], [-83.25, 34.15], [-83.0, 34.25], [-82.75, 34.15], [-82.5, 34.25], [-82.25, 34.15], [-82.0, 34.25], [-81.47, 34.03], [-81.25, 33.5], [-81.46, 33.0], [-81.25, 32.5], [-81.47, 31.97], [-82.0, 31.75], [-82.53, 31.97], [-82.68, 32.32], [-82.75, 32.35], [-83.0, 32.25], [-83.53, 32.47], [-83.68, 32.82], [-84.03, 32.97], [-84.25, 33.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.570831928968346}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.4048362368418434}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.292690427695845, 23.630981231968406, 24.307293973623985, 23.53985384813808, 23.419231243900754, 23.38689903793022]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.031408019391336, 24.787941090730953, 25.736839319368983, 24.937730458687724, 24.95538005863301, 24.87347972204475]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.343756495789194, 4.465494751676838, 4.695190418985645, 4.178150252914569, 4.267468392031019, 4.577864433125106]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.003184460018872, 4.995091395192958, 5.570831928968346, 4.895778054036782, 5.043017429909185, 5.214054134889977]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.288728511501971, 1.3009246207602663, 1.413807646321824, 1.3074448188993566, 1.365267159720536, 1.4390705191875006]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4761427815036097, 1.4479011501771528, 1.6547885463676018, 1.4835581832527367, 1.5458428375656819, 1.6340220723403533]}}