{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:17.530301", "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": "2011-Apr-13_to_2011-Apr-15_109.0_35.0"}, "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": 2011040002126}, "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": "April 13 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 15 2011"}, "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": 88429.0092823295}, "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": 35.0}, "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": 109.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "109.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 107.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 112.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 32.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 36.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-04-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.97, 36.53], [107.5, 36.75], [108.03, 36.53], [108.18, 36.18], [108.25, 36.15], [108.32, 36.18], [108.47, 36.53], [109.0, 36.75], [109.53, 36.53], [109.68, 36.18], [109.75, 36.15], [110.0, 36.25], [110.25, 36.15], [110.32, 36.18], [110.47, 36.53], [110.82, 36.68], [110.97, 37.03], [111.5, 37.25], [112.03, 37.03], [112.18, 36.68], [112.25, 36.65], [112.5, 36.75], [113.03, 36.53], [113.25, 36.0], [113.15, 35.75], [113.25, 35.5], [113.15, 35.25], [113.25, 35.0], [113.03, 34.47], [112.5, 34.25], [112.25, 34.35], [112.18, 34.32], [112.03, 33.97], [111.5, 33.75], [111.25, 33.85], [111.0, 33.75], [110.75, 33.85], [110.68, 33.82], [110.53, 33.47], [110.18, 33.32], [110.15, 33.25], [110.25, 33.0], [110.03, 32.47], [109.5, 32.25], [108.97, 32.47], [108.75, 33.0], [108.85, 33.25], [108.75, 33.5], [108.88, 33.8], [108.47, 33.97], [108.3, 34.38], [108.0, 34.25], [107.47, 34.47], [107.32, 34.82], [106.97, 34.97], [106.75, 35.5], [106.85, 35.75], [106.75, 36.0], [106.97, 36.53]]]]}, "2011-04-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": 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"2011-04-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.97, 36.53], [107.5, 36.75], [108.03, 36.53], [108.18, 36.18], [108.25, 36.15], [108.32, 36.18], [108.47, 36.53], [109.0, 36.75], [109.53, 36.53], [109.68, 36.18], [109.75, 36.15], [110.0, 36.25], [110.25, 36.15], [110.32, 36.18], [110.47, 36.53], [110.82, 36.68], [110.97, 37.03], [111.5, 37.25], [112.03, 37.03], [112.18, 36.68], [112.25, 36.65], [112.5, 36.75], [113.03, 36.53], [113.25, 36.0], [113.15, 35.75], [113.25, 35.5], [113.15, 35.25], [113.25, 35.0], [113.03, 34.47], [112.5, 34.25], [112.25, 34.35], [112.18, 34.32], [112.03, 33.97], [111.5, 33.75], [111.25, 33.85], [111.0, 33.75], [110.75, 33.85], [110.68, 33.82], [110.53, 33.47], [110.18, 33.32], [110.15, 33.25], [110.25, 33.0], [110.03, 32.47], [109.5, 32.25], [108.97, 32.47], [108.75, 33.0], [108.85, 33.25], [108.75, 33.5], [108.88, 33.8], [108.47, 33.97], [108.3, 34.38], [108.0, 34.25], [107.47, 34.47], [107.32, 34.82], [106.97, 34.97], 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maximum t2m anomalies.", "value": [8.024776624845856, 7.563043201768323, 6.748679328024423]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6509988907836008, 1.770062543969817, 1.574183750486783]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.028909831030345, 2.0931395832884214, 1.915239736284693]}}