{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:09.515029", "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": "2020-Aug-07_to_2020-Aug-10_116.0_24.5"}, "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": 2020080001656}, "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 07 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 10 2020"}, "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": 61456.08439964877}, "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": ["E.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": 24.5}, "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": 116.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "116.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 114.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 117.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 24.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 27.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[114.97, 27.53], [115.5, 27.75], [116.03, 27.53], [116.25, 27.0], [116.03, 26.47], [115.5, 26.25], [115.07, 26.43], [115.25, 26.0], [115.03, 25.47], [114.5, 25.25], [113.97, 25.47], [113.75, 26.0], [113.97, 26.53], [114.5, 26.75], [114.93, 26.57], [114.75, 27.0], [114.97, 27.53]]]]}, "2020-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[113.97, 26.53], [114.5, 26.75], [114.93, 26.57], [114.75, 27.0], [114.97, 27.53], [115.5, 27.75], [116.03, 27.53], [116.18, 27.18], [116.53, 27.03], [116.7, 26.63], [117.0, 26.75], [117.53, 26.53], [117.68, 26.18], [118.03, 26.03], [118.25, 25.5], [118.03, 24.97], [117.68, 24.82], [117.53, 24.47], [117.18, 24.32], [117.03, 23.97], [116.5, 23.75], [116.25, 23.85], [116.0, 23.75], [115.75, 23.85], [115.5, 23.75], [115.25, 23.85], [115.0, 23.75], [114.75, 23.85], [114.5, 23.75], [113.97, 23.97], [113.75, 24.5], [113.96, 25.0], [113.75, 25.5], [113.85, 25.75], [113.75, 26.0], [113.97, 26.53]]]]}, "2020-08-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[113.97, 26.53], [114.5, 26.75], [114.93, 26.57], [114.75, 27.0], [114.97, 27.53], [115.5, 27.75], [116.03, 27.53], [116.18, 27.18], [116.53, 27.03], [116.7, 26.63], [117.0, 26.75], [117.53, 26.53], [117.68, 26.18], [118.03, 26.03], [118.25, 25.5], [118.03, 24.97], [117.68, 24.82], [117.53, 24.47], [117.18, 24.32], [117.03, 23.97], [116.5, 23.75], [116.25, 23.85], [116.0, 23.75], [115.75, 23.85], [115.5, 23.75], [115.25, 23.85], [115.0, 23.75], [114.75, 23.85], [114.5, 23.75], [113.97, 23.97], [113.75, 24.5], [113.96, 25.0], [113.75, 25.5], [113.85, 25.75], [113.75, 26.0], [113.97, 26.53]]]]}, "2020-08-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[113.97, 26.03], [114.5, 26.25], [114.75, 26.15], [114.82, 26.18], [114.97, 26.53], [115.32, 26.68], [115.47, 27.03], [116.0, 27.25], [116.53, 27.03], [116.7, 26.63], [117.0, 26.75], [117.53, 26.53], [117.68, 26.18], [118.03, 26.03], [118.25, 25.5], [118.03, 24.97], [117.68, 24.82], [117.53, 24.47], [117.18, 24.32], [117.03, 23.97], [116.5, 23.75], [116.25, 23.85], [116.0, 23.75], [115.75, 23.85], [115.5, 23.75], [115.25, 23.85], [115.0, 23.75], [114.75, 23.85], [114.5, 23.75], [113.97, 23.97], [113.75, 24.5], [113.96, 25.0], [113.75, 25.5], [113.97, 26.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.3997951984970314}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.5225619158022106}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [31.93901245369591, 30.09279536735221, 30.417435209325106, 29.787928341361805]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.35821859211222, 32.97671537842996, 32.332375415825766, 31.88566948725844]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.757124441526969, 2.414964022514583, 2.7868926304885906, 2.3266995596911073]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.8199767057540157, 3.3997951984970314, 3.381631641993465, 2.995974867354164]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3901097507169198, 1.4247965534971332, 1.6861545642923503, 1.4550068624752477]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4342234852068458, 1.6861992616051351, 2.094229398270532, 1.7628824677304795]}}