{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:17:51.359157", "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": "2018-Aug-07_to_2018-Aug-11_77.0_38.5"}, "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": 2018080001872}, "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 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 11 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 60084.833246799666}, "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.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": 38.5}, "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": 77.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "77.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 75.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 79.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 37.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 40.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[75.47, 40.03], [76.0, 40.25], [76.25, 40.15], [76.5, 40.25], 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[77.53, 37.97], [77.0, 37.75], [76.75, 37.85], [76.5, 37.75], [75.97, 37.97], [75.82, 38.32], [75.47, 38.47], [75.25, 39.0], [75.35, 39.25], [75.25, 39.5], [75.47, 40.03]]]]}, "2018-08-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.75, 39.5], [74.97, 40.03], [75.5, 40.25], [75.75, 40.15], [76.0, 40.25], [76.25, 40.15], [76.5, 40.25], [76.75, 40.15], [77.0, 40.25], [77.25, 40.15], [77.5, 40.25], [77.75, 40.15], [77.82, 40.18], [77.97, 40.53], [78.5, 40.75], [78.75, 40.65], [79.0, 40.75], [79.53, 40.53], [79.68, 40.18], [80.03, 40.03], [80.25, 39.5], [80.03, 38.97], [79.5, 38.75], [79.25, 38.85], [79.18, 38.82], [79.03, 38.47], [78.63, 38.3], [78.75, 38.0], [78.53, 37.47], [78.18, 37.32], [78.03, 36.97], [77.5, 36.75], [77.25, 36.85], [77.0, 36.75], [76.47, 36.97], [76.25, 37.5], [76.35, 37.75], [76.32, 37.82], [75.97, 37.97], [75.82, 38.32], [75.47, 38.47], [75.32, 38.82], [74.97, 38.97], [74.75, 39.5]]]]}, "2018-08-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.75, 39.5], [74.97, 40.03], [75.5, 40.25], [76.03, 40.03], [76.18, 39.68], [76.25, 39.65], [76.32, 39.68], [76.47, 40.03], [77.0, 40.25], [77.25, 40.15], [77.5, 40.25], [77.75, 40.15], [77.82, 40.18], [77.97, 40.53], [78.5, 40.75], [78.75, 40.65], [79.0, 40.75], [79.53, 40.53], [79.68, 40.18], [80.03, 40.03], [80.25, 39.5], [80.03, 38.97], [79.5, 38.75], [79.25, 38.85], [79.18, 38.82], [79.03, 38.47], [78.63, 38.3], [78.75, 38.0], [78.53, 37.47], [78.18, 37.32], [78.03, 36.97], [77.5, 36.75], [77.25, 36.85], [77.0, 36.75], [76.47, 36.97], [76.25, 37.5], [76.35, 37.75], [76.32, 37.82], [75.97, 37.97], [75.82, 38.32], [75.47, 38.47], [75.32, 38.82], [74.97, 38.97], [74.75, 39.5]]]]}, "2018-08-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.75, 39.5], [74.97, 40.03], [75.5, 40.25], [76.03, 40.03], [76.18, 39.68], [76.25, 39.65], [76.32, 39.68], [76.47, 40.03], [77.0, 40.25], [77.25, 40.15], [77.5, 40.25], [78.03, 40.03], [78.25, 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anomalies.", "value": [1.503983740756361, 1.4259938311659035, 2.0341962510121823, 1.7480536985521953, 1.624196917489183]}}