{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:53:33.627535", "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-Oct-24_to_2024-Oct-29_110.5_37.5"}, "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": 2024100002147}, "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": "October 24 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 29 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 51411.79253496377}, "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": 37.5}, "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": 110.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "110.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 109.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 113.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 35.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 39.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.47, 38.53], [109.82, 38.68], [109.85, 38.75], [109.75, 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37.5], [113.53, 36.97], [113.18, 36.82], [113.03, 36.47], [112.68, 36.32], [112.53, 35.97], [112.18, 35.82], [112.03, 35.47], [111.5, 35.25], [110.97, 35.47], [110.75, 36.0], [110.85, 36.25], [110.75, 36.5], [110.85, 36.75], [110.82, 36.82], [110.75, 36.85], [110.68, 36.82], [110.53, 36.47], [110.0, 36.25], [109.47, 36.47], [109.25, 37.0], [109.46, 37.5], [109.25, 38.0], [109.47, 38.53]]]]}, "2024-10-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.47, 38.53], [109.82, 38.68], [109.85, 38.75], [109.75, 39.0], [109.97, 39.53], [110.5, 39.75], [111.03, 39.53], [111.18, 39.18], [111.5, 39.04], [112.0, 39.25], [112.25, 39.15], [112.5, 39.25], [113.03, 39.03], [113.25, 38.5], [113.15, 38.25], [113.18, 38.18], [113.53, 38.03], [113.75, 37.5], [113.53, 36.97], [113.18, 36.82], [113.03, 36.47], [112.68, 36.32], [112.53, 35.97], [112.18, 35.82], [112.03, 35.47], [111.5, 35.25], [110.97, 35.47], [110.75, 36.0], [110.85, 36.25], [110.75, 36.5], [110.85, 36.75], [110.82, 36.82], [110.75, 36.85], [110.68, 36.82], [110.53, 36.47], [110.0, 36.25], [109.47, 36.47], [109.25, 37.0], [109.46, 37.5], [109.25, 38.0], [109.47, 38.53]]]]}, "2024-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.5, 38.25], [111.03, 38.03], [111.25, 37.5], [111.03, 36.97], [110.5, 36.75], [109.97, 36.97], [109.75, 37.5], [109.97, 38.03], [110.5, 38.25]]]]}, "2024-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.5, 38.25], [111.03, 38.03], [111.25, 37.5], [111.03, 36.97], [110.5, 36.75], [109.97, 36.97], [109.75, 37.5], [109.97, 38.03], [110.5, 38.25]]]]}, "2024-10-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.5, 38.25], [111.03, 38.03], [111.25, 37.5], [111.03, 36.97], [110.5, 36.75], [109.97, 36.97], [109.75, 37.5], [109.97, 38.03], [110.5, 38.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.664985048739595}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.25864191457862}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [12.557838936457586, 13.444520689949172, 11.681269763764874, 12.707341766357445, 12.190986887613974, 14.168495432535849]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [14.664024607340536, 15.435886637369833, 13.639265950520837, 12.707341766357445, 12.190986887613974, 14.168495432535849]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.027598548368606, 6.179203693307205, 4.6202745618683245, 4.392588015087313, 4.080224854411313, 6.228940618263437]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.570838864003008, 7.664985048739595, 5.608739703942888, 4.392588015087313, 4.080224854411313, 6.228940618263437]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7156224387005876, 2.110294363576808, 1.621185136793508, 1.468917392149448, 1.36264406428529, 2.1006278341637277]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.079749395695114, 2.4239979380045127, 2.05811355866917, 1.468917392149448, 1.36264406428529, 2.1006278341637277]}}