{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:51:20.551456", "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": "2024-Mar-03_to_2024-Mar-05_104.5_25.0"}, "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": 2024030000910}, "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": "March 03 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 05 2024"}, "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": 110561.27622057938}, "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": 25.0}, "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": 104.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "104.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 100.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 104.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 29.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-03-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.47, 29.53], [100.82, 29.68], [100.97, 30.03], [101.5, 30.25], [102.03, 30.03], [102.25, 29.5], [102.15, 29.25], [102.18, 29.18], [102.53, 29.03], [102.68, 28.68], [103.03, 28.53], [103.25, 28.0], [103.15, 27.75], [103.25, 27.5], [103.15, 27.25], [103.18, 27.18], [103.25, 27.15], [103.5, 27.25], [103.75, 27.15], [104.0, 27.25], [104.53, 27.03], [104.68, 26.68], [105.03, 26.53], [105.25, 26.0], [105.15, 25.75], [105.25, 25.5], [105.15, 25.25], [105.25, 25.0], [105.03, 24.47], [104.68, 24.32], [104.65, 24.25], [104.75, 24.0], [104.53, 23.47], [104.0, 23.25], [103.47, 23.47], [103.3, 23.88], [103.0, 23.75], [102.47, 23.97], [102.25, 24.5], [102.35, 24.75], [102.32, 24.82], [101.97, 24.97], [101.8, 25.38], [101.5, 25.25], [100.97, 25.47], [100.82, 25.82], [100.47, 25.97], [100.25, 26.5], [100.47, 27.03], [100.82, 27.18], [100.85, 27.25], [100.75, 27.5], [100.85, 27.75], [100.82, 27.82], [100.47, 27.97], [100.25, 28.5], [100.35, 28.75], [100.25, 29.0], [100.47, 29.53]]]]}, "2024-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.47, 29.53], [100.82, 29.68], [100.97, 30.03], [101.5, 30.25], [102.03, 30.03], [102.25, 29.5], [102.15, 29.25], [102.18, 29.18], [102.53, 29.03], [102.68, 28.68], [103.03, 28.53], [103.25, 28.0], [103.15, 27.75], [103.25, 27.5], [103.15, 27.25], [103.18, 27.18], [103.25, 27.15], [103.5, 27.25], [103.75, 27.15], [104.0, 27.25], [104.53, 27.03], [104.68, 26.68], [105.03, 26.53], [105.25, 26.0], [105.15, 25.75], [105.25, 25.5], [105.15, 25.25], [105.25, 25.0], [105.03, 24.47], [104.68, 24.32], [104.65, 24.25], [104.75, 24.0], [104.53, 23.47], [104.0, 23.25], [103.47, 23.47], [103.3, 23.88], [103.0, 23.75], [102.47, 23.97], [102.25, 24.5], [102.35, 24.75], [102.32, 24.82], [101.97, 24.97], [101.8, 25.38], [101.5, 25.25], [100.97, 25.47], [100.82, 25.82], [100.47, 25.97], [100.25, 26.5], [100.47, 27.03], [100.82, 27.18], [100.85, 27.25], [100.75, 27.5], [100.85, 27.75], [100.82, 27.82], [100.47, 27.97], [100.25, 28.5], [100.35, 28.75], [100.25, 29.0], [100.47, 29.53]]]]}, "2024-03-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.47, 29.53], [100.82, 29.68], [100.97, 30.03], [101.5, 30.25], [102.03, 30.03], [102.25, 29.5], [102.15, 29.25], [102.18, 29.18], [102.53, 29.03], [102.68, 28.68], [103.03, 28.53], [103.25, 28.0], [103.15, 27.75], [103.25, 27.5], [103.15, 27.25], [103.18, 27.18], [103.25, 27.15], [103.5, 27.25], [103.75, 27.15], [104.0, 27.25], [104.53, 27.03], [104.68, 26.68], [105.03, 26.53], [105.25, 26.0], [105.15, 25.75], [105.25, 25.5], [105.15, 25.25], [105.25, 25.0], [105.03, 24.47], [104.68, 24.32], [104.65, 24.25], [104.75, 24.0], [104.53, 23.47], [104.0, 23.25], [103.47, 23.47], [103.3, 23.88], [103.0, 23.75], [102.47, 23.97], [102.25, 24.5], [102.35, 24.75], [102.32, 24.82], [101.97, 24.97], [101.8, 25.38], [101.5, 25.25], [100.97, 25.47], [100.82, 25.82], [100.47, 25.97], [100.25, 26.5], [100.47, 27.03], [100.82, 27.18], [100.85, 27.25], [100.75, 27.5], [100.85, 27.75], [100.82, 27.82], [100.47, 27.97], [100.25, 28.5], [100.35, 28.75], [100.25, 29.0], [100.47, 29.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.464799490246492}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.341406955317505}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [15.025477479033327, 16.2812049570029, 14.935807930461976]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.870572775533844, 23.182616136679542, 22.07686981908546]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.11747988003457, 6.209732562465571, 4.697008423452372]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.6419168415934, 10.464799490246492, 7.156692913509062]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4176179771990705, 1.754952288919539, 1.3749384115724717]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8045605415097001, 2.3472436956279883, 1.6359268337624775]}}