{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:55:32.825289", "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": "2025-May-05_to_2025-May-09_103.5_22.0"}, "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": 2025050001161}, "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": "May 05 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 09 2025"}, "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": 88698.55288831351}, "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", "Laos", "Vietnam"]}, "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": 22.0}, "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": 103.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "103.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 101.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 105.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 20.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 24.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-05-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.5, 22.25], [105.03, 22.03], [105.25, 21.5], [105.03, 20.97], [104.5, 20.75], [103.97, 20.97], [103.75, 21.5], [103.97, 22.03], [104.5, 22.25]]]]}, "2025-05-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.25, 22.5], [101.47, 23.03], [101.82, 23.18], [101.96, 23.5], [101.75, 24.0], [101.97, 24.53], [102.5, 24.75], [102.75, 24.65], [103.0, 24.75], [103.53, 24.53], [103.75, 24.0], [103.63, 23.7], [104.03, 23.53], [104.25, 23.0], [104.15, 22.75], [104.18, 22.68], [104.53, 22.53], [104.68, 22.18], [105.03, 22.03], [105.25, 21.5], [105.15, 21.25], [105.18, 21.18], [105.53, 21.03], [105.75, 20.5], [105.53, 19.97], [105.0, 19.75], [104.75, 19.85], [104.5, 19.75], [104.25, 19.85], [104.0, 19.75], [103.47, 19.97], [103.32, 20.32], [102.97, 20.47], [102.82, 20.82], [102.75, 20.85], [102.5, 20.75], [101.97, 20.97], [101.75, 21.5], [101.85, 21.75], [101.82, 21.82], [101.47, 21.97], [101.25, 22.5]]]]}, "2025-05-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.85, 22.75], [100.75, 23.0], [100.97, 23.53], [101.32, 23.68], [101.35, 23.75], [101.25, 24.0], [101.35, 24.25], [101.25, 24.5], [101.47, 25.03], [102.0, 25.25], [102.53, 25.03], [102.68, 24.68], [102.75, 24.65], [103.0, 24.75], [103.53, 24.53], [103.75, 24.0], [103.63, 23.7], [104.03, 23.53], [104.25, 23.0], [104.15, 22.75], [104.18, 22.68], [104.53, 22.53], [104.68, 22.18], [105.03, 22.03], [105.25, 21.5], [105.15, 21.25], [105.18, 21.18], [105.53, 21.03], [105.75, 20.5], [105.53, 19.97], [105.0, 19.75], [104.75, 19.85], [104.5, 19.75], [104.25, 19.85], [104.0, 19.75], [103.47, 19.97], [103.32, 20.32], [102.97, 20.47], [102.82, 20.82], [102.75, 20.85], [102.5, 20.75], [101.97, 20.97], [101.82, 21.32], [101.75, 21.35], [101.5, 21.25], [100.97, 21.47], [100.75, 22.0], [100.85, 22.25], [100.75, 22.5], [100.85, 22.75]]]]}, "2025-05-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.85, 22.75], [100.75, 23.0], [100.97, 23.53], [101.32, 23.68], [101.35, 23.75], [101.25, 24.0], [101.35, 24.25], [101.25, 24.5], [101.47, 25.03], [102.0, 25.25], [102.53, 25.03], [102.68, 24.68], [102.75, 24.65], [103.0, 24.75], [103.53, 24.53], [103.75, 24.0], [103.63, 23.7], [104.03, 23.53], [104.25, 23.0], [104.15, 22.75], [104.18, 22.68], [104.53, 22.53], [104.68, 22.18], [105.03, 22.03], [105.25, 21.5], [105.15, 21.25], [105.18, 21.18], [105.53, 21.03], [105.75, 20.5], [105.53, 19.97], [105.0, 19.75], [104.75, 19.85], [104.5, 19.75], [104.25, 19.85], [104.0, 19.75], [103.47, 19.97], [103.32, 20.32], [102.97, 20.47], [102.82, 20.82], [102.75, 20.85], [102.5, 20.75], [101.97, 20.97], [101.82, 21.32], [101.75, 21.35], [101.5, 21.25], [100.97, 21.47], [100.75, 22.0], [100.85, 22.25], [100.75, 22.5], [100.85, 22.75]]]]}, "2025-05-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.85, 22.75], [100.75, 23.0], [100.97, 23.53], [101.32, 23.68], [101.35, 23.75], [101.25, 24.0], [101.35, 24.25], [101.25, 24.5], [101.47, 25.03], [102.0, 25.25], [102.53, 25.03], [102.75, 24.5], [102.65, 24.25], 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26.32070214056199, 26.64462892265732, 26.38391326683154]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.8689959208171, 28.47117131551107, 28.501234944661462, 29.09435170491537, 28.443377431233728]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.6355346719286104, 3.0327665169158373, 3.2808571713221166, 3.5379254689516215, 3.1652002116146507]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.6355346719286104, 3.927332686788361, 4.686166386500076, 4.35550160509041, 4.086804645250368]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2624647214259412, 1.5566725330199371, 1.6399390736622939, 1.7518519135063382, 1.566492907922074]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2624647214259412, 2.137478947928348, 2.1781192999990746, 2.30180665515952, 1.8646309754097974]}}