{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:54.588690", "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": "2017-Sep-05_to_2017-Sep-07_93.5_45.0"}, "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": 2017090001296}, "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": "September 05 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 07 2017"}, "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": 76721.15561660913}, "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", "Mongolia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.C.Asia", "E.Siberia"]}, "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": 45.0}, "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": 93.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "93.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 88.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 94.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 43.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 46.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[88.47, 45.03], [89.0, 45.25], [89.25, 45.15], [89.5, 45.25], 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[[92.75, 44.35], [92.68, 44.32], [92.65, 44.25], [92.68, 44.18], [92.75, 44.15], [93.0, 44.25], [92.75, 44.35]]]]}, "2017-09-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[88.47, 45.03], [89.0, 45.25], [89.25, 45.15], [89.5, 45.25], [89.75, 45.15], [90.0, 45.25], [90.25, 45.15], [90.32, 45.18], [90.35, 45.25], [90.25, 45.5], [90.35, 45.75], [90.25, 46.0], [90.47, 46.53], [91.0, 46.75], [91.25, 46.65], [91.5, 46.75], [92.0, 46.54], [92.5, 46.75], [92.75, 46.65], [92.82, 46.68], [92.97, 47.03], [93.5, 47.25], [94.03, 47.03], [94.25, 46.5], [94.15, 46.25], [94.25, 46.0], [94.15, 45.75], [94.18, 45.68], [94.53, 45.53], [94.75, 45.0], [94.53, 44.47], [94.0, 44.25], [93.75, 44.35], [93.5, 44.25], [93.25, 44.35], [93.0, 44.25], [93.53, 44.03], [93.75, 43.5], [93.53, 42.97], [93.0, 42.75], [92.75, 42.85], [92.5, 42.75], [92.0, 42.96], [91.5, 42.75], [90.97, 42.97], [90.82, 43.32], [90.75, 43.35], [90.5, 43.25], [90.25, 43.35], [90.0, 43.25], [89.75, 43.35], [89.5, 43.25], 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[5.379246168416283, 5.957488110400792, 5.453411906864064]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.275125197334376, 6.787213749583373, 6.13171843105664]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3736674637180797, 1.5652464132675223, 1.4694831404257211]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7068289483373604, 1.809633332403473, 1.7951689587236062]}}