{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:18.441029", "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": "2012-Aug-24_to_2012-Aug-29_40.5_37.5"}, "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": 2012080002774}, "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": "August 24 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 29 2012"}, "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": 52801.168185005234}, "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": ["Georgia", "Syria", "Turkiye"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.C.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": 37.5}, "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": 40.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "40.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 40.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 43.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 36.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 41.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-08-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[41.5, 38.75], [42.03, 38.53], [42.25, 38.0], [42.03, 37.47], [41.5, 37.25], [40.97, 37.47], [40.75, 38.0], [40.97, 38.53], [41.5, 38.75]]]]}, "2012-08-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.75, 37.5], [39.97, 38.03], [40.32, 38.18], [40.47, 38.53], [41.0, 38.75], [41.25, 38.65], [41.5, 38.75], [41.75, 38.65], [42.0, 38.75], [42.53, 38.53], [42.68, 38.18], [42.75, 38.15], [43.0, 38.25], [43.53, 38.03], [43.75, 37.5], [43.53, 36.97], [43.0, 36.75], [42.75, 36.85], [42.5, 36.75], [42.25, 36.85], [42.0, 36.75], [41.7, 36.88], [41.53, 36.47], [41.0, 36.25], [40.47, 36.47], [40.32, 36.82], [39.97, 36.97], [39.75, 37.5]]]]}, "2012-08-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.75, 37.5], [39.97, 38.03], [40.32, 38.18], [40.38, 38.3], [39.97, 38.47], [39.75, 39.0], [39.97, 39.53], [40.5, 39.75], [40.75, 39.65], [40.88, 39.7], [40.75, 40.0], [40.85, 40.25], [40.75, 40.5], [40.97, 41.03], [41.32, 41.18], [41.47, 41.53], [41.82, 41.68], [41.97, 42.03], [42.5, 42.25], [43.03, 42.03], [43.25, 41.5], [43.15, 41.25], [43.25, 41.0], [43.03, 40.47], [42.68, 40.32], [42.65, 40.25], [42.75, 40.0], [42.65, 39.75], [42.75, 39.5], [42.65, 39.25], [42.75, 39.0], [42.54, 38.5], [42.68, 38.18], [42.75, 38.15], [43.0, 38.25], [43.53, 38.03], [43.75, 37.5], [43.53, 36.97], [43.0, 36.75], [42.75, 36.85], [42.5, 36.75], [42.25, 36.85], [42.0, 36.75], [41.7, 36.88], [41.53, 36.47], [41.0, 36.25], [40.47, 36.47], [40.32, 36.82], [39.97, 36.97], [39.75, 37.5]]]]}, "2012-08-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.75, 37.5], [39.97, 38.03], [40.32, 38.18], [40.38, 38.3], [39.97, 38.47], [39.75, 39.0], [39.97, 39.53], [40.5, 39.75], [40.75, 39.65], [40.88, 39.7], [40.75, 40.0], [40.85, 40.25], [40.75, 40.5], [40.97, 41.03], [41.32, 41.18], [41.47, 41.53], [41.82, 41.68], [41.97, 42.03], [42.5, 42.25], [43.03, 42.03], [43.25, 41.5], [43.15, 41.25], [43.25, 41.0], [43.03, 40.47], [42.68, 40.32], [42.65, 40.25], [42.68, 40.18], [43.03, 40.03], [43.25, 39.5], [43.03, 38.97], [42.68, 38.82], [42.54, 38.5], [42.68, 38.18], [42.75, 38.15], [43.0, 38.25], [43.53, 38.03], [43.75, 37.5], [43.53, 36.97], [43.0, 36.75], [42.75, 36.85], [42.5, 36.75], [42.25, 36.85], [42.0, 36.75], [41.7, 36.88], [41.53, 36.47], [41.0, 36.25], [40.47, 36.47], [40.32, 36.82], [39.97, 36.97], [39.75, 37.5]]]]}, "2012-08-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.75, 39.0], [39.97, 39.53], [40.5, 39.75], [40.75, 39.65], [40.88, 39.7], [40.75, 40.0], [40.85, 40.25], [40.75, 40.5], [40.97, 41.03], [41.32, 41.18], [41.47, 41.53], [41.82, 41.68], [41.97, 42.03], [42.5, 42.25], [43.03, 42.03], [43.25, 41.5], [43.15, 41.25], [43.25, 41.0], [43.03, 40.47], [42.68, 40.32], [42.65, 40.25], [42.68, 40.18], [43.03, 40.03], [43.25, 39.5], [43.03, 38.97], [42.68, 38.82], [42.53, 38.47], [42.18, 38.32], [42.03, 37.97], [41.5, 37.75], [41.07, 37.93], [41.25, 37.5], [41.03, 36.97], [40.5, 36.75], [39.97, 36.97], [39.75, 37.5], [39.97, 38.03], [40.5, 38.25], [39.97, 38.47], 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of mean t2m.", "value": [31.181581075198608, 30.700998091848987, 25.756643285047858, 26.15997387310688, 23.087215567371288, 25.71605346578798]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.181581075198608, 34.759968100674485, 35.07904984191947, 34.91045789445383, 31.0753039148467, 32.181120270910355]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.66772957232547, 3.0066630404129526, 3.545555190485686, 4.084306788170747, 3.510833071794601, 3.4834429861721623]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.66772957232547, 3.541926433353524, 4.559349760359623, 5.757469817256094, 4.108566180870071, 4.161046198959184]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5282690271846437, 1.6582570573503401, 1.668024066792647, 1.8885923080359632, 1.5275204659622703, 1.6731286774671996]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5282690271846437, 2.0018908406504092, 1.9557662715973159, 2.3390469397248084, 1.8438325054428109, 2.1272105970002135]}}