{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:14.105518", "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-08_to_2012-Aug-11_91.5_33.5"}, "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": 2012080002002}, "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 08 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 11 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 51174.538549911726}, "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": ["China"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Tibetan-Plateau"]}, "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": 33.5}, "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": 91.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "91.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 89.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 93.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 32.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 35.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[91.5, 34.25], [92.03, 34.03], [92.25, 33.5], [92.03, 32.97], [91.5, 32.75], [90.97, 32.97], [90.75, 33.5], [90.97, 34.03], [91.5, 34.25]]]]}, "2012-08-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[89.47, 35.03], [89.82, 35.18], [89.97, 35.53], [90.5, 35.75], [90.75, 35.65], [91.0, 35.75], [91.25, 35.65], [91.5, 35.75], [92.03, 35.53], [92.18, 35.18], [92.53, 35.03], [92.68, 34.68], [92.75, 34.65], [93.0, 34.75], [93.53, 34.53], [93.75, 34.0], [93.53, 33.47], [93.13, 33.3], [93.25, 33.0], [93.03, 32.47], [92.5, 32.25], [91.97, 32.47], [91.82, 32.82], [91.75, 32.85], [91.5, 32.75], [91.25, 32.85], [91.0, 32.75], [90.75, 32.85], [90.5, 32.75], [89.97, 32.97], [89.82, 33.32], [89.47, 33.47], [89.25, 34.0], [89.35, 34.25], [89.25, 34.5], [89.47, 35.03]]]]}, "2012-08-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[89.47, 35.03], [89.82, 35.18], [89.97, 35.53], [90.5, 35.75], [90.75, 35.65], [91.0, 35.75], [91.25, 35.65], [91.5, 35.75], [92.03, 35.53], [92.18, 35.18], [92.53, 35.03], [92.68, 34.68], [92.75, 34.65], [93.0, 34.75], [93.53, 34.53], [93.75, 34.0], [93.53, 33.47], [93.13, 33.3], [93.25, 33.0], [93.03, 32.47], [92.5, 32.25], [91.97, 32.47], [91.82, 32.82], [91.75, 32.85], [91.5, 32.75], [91.25, 32.85], [91.0, 32.75], [90.75, 32.85], [90.5, 32.75], [89.97, 32.97], [89.82, 33.32], [89.47, 33.47], [89.25, 34.0], [89.35, 34.25], [89.25, 34.5], [89.47, 35.03]]]]}, "2012-08-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[89.47, 35.03], [89.82, 35.18], [89.97, 35.53], [90.5, 35.75], [90.75, 35.65], [91.0, 35.75], [91.25, 35.65], [91.5, 35.75], [92.03, 35.53], [92.18, 35.18], [92.53, 35.03], [92.68, 34.68], [92.75, 34.65], [93.0, 34.75], [93.53, 34.53], [93.75, 34.0], [93.53, 33.47], [93.13, 33.3], [93.25, 33.0], [93.03, 32.47], [92.5, 32.25], [91.97, 32.47], [91.82, 32.82], [91.75, 32.85], [91.5, 32.75], [91.25, 32.85], [91.0, 32.75], [90.75, 32.85], [90.5, 32.75], [89.97, 32.97], [89.82, 33.32], [89.47, 33.47], [89.25, 34.0], [89.35, 34.25], [89.25, 34.5], [89.47, 35.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.9868943218837103}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.9112551644041638}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [7.246529738859749, 8.838292988328647, 9.464552427818376, 8.810284702152558]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [7.246529738859749, 10.994009232179678, 11.981035418430906, 10.892737275611978]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.0508017944469543, 2.6756723538149174, 3.3669624804735863, 2.734153327421848]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0508017944469543, 3.156274106437195, 3.9868943218837103, 3.478949875574756]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1516328453820224, 1.5210170378224588, 1.8517728719155744, 1.4483679522258537]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.1516328453820224, 1.9130181975032292, 2.251877665321317, 1.8869550638360675]}}