{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:10:32.558400", "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": "2026-Feb-15_to_2026-Feb-20_105.5_9.5"}, "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": 2026020001947}, "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": "February 15 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 20 2026"}, "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": 112574.84516089378}, "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": ["Cambodia", "Viet Nam"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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": 9.5}, "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": 105.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "105.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 101.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 108.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 11.75}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[102.0, 9.75], [102.25, 9.65], [102.5, 9.75], [102.75, 9.65], [102.82, 9.68], [102.96, 10.0], [102.82, 10.32], [102.47, 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"polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-02-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.97, 11.53], [105.5, 11.75], [106.03, 11.53], [106.25, 11.0], [106.07, 10.57], [106.32, 10.68], [106.47, 11.03], [107.0, 11.25], [107.53, 11.03], [107.75, 10.5], [107.53, 9.97], [107.18, 9.82], [107.03, 9.47], [106.68, 9.32], [106.53, 8.97], [106.0, 8.75], [105.75, 8.85], [105.5, 8.75], [104.97, 8.97], [104.75, 9.5], [104.88, 9.8], [104.47, 9.97], [104.25, 10.5], [104.47, 11.03], [104.82, 11.18], [104.97, 11.53]], [[105.75, 10.15], [105.82, 10.18], [105.93, 10.43], [105.68, 10.32], [105.63, 10.2], [105.75, 10.15]]]]}, "2026-02-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.25, 11.0], [103.47, 11.53], [104.0, 11.75], [104.53, 11.53], [104.68, 11.18], [104.75, 11.15], [104.82, 11.18], [104.97, 11.53], [105.5, 11.75], [105.75, 11.65], [105.82, 11.68], 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"anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1632488365675329, 1.5526134908821627, 1.158656261713796, 1.1844906593176092, 1.0243676409046663, 0.9542986901825543]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3646452788845522, 2.1630198099940685, 1.7196304077556874, 1.6975371197369782, 1.4616610053147383, 1.1672522127441312]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.354273859255225, 1.8521085955644132, 1.5562309492631101, 1.7034648271819242, 1.6050985534741309, 1.3748719069087714]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4354482853953372, 2.4657889098892123, 2.2913511109691167, 2.58597468896227, 2.2278742274884196, 1.4707333529749071]}}