{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:35.404270", "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": "2010-Aug-31_to_2010-Sep-04_110.0_20.5"}, "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": 2010080003099}, "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 31 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 04 2010"}, "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": 86714.02684585139}, "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", "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": ["South China Sea"]}, "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": 20.5}, "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": 110.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "110.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 106.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 112.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 19.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-08-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.75, 21.5], [108.97, 22.03], [109.5, 22.25], [109.75, 22.15], [110.0, 22.25], [110.25, 22.15], [110.5, 22.25], [111.03, 22.03], [111.25, 21.5], [111.03, 20.97], [110.68, 20.82], [110.65, 20.75], [110.75, 20.5], [110.53, 19.97], [110.0, 19.75], [109.47, 19.97], [109.25, 20.5], [109.35, 20.75], [109.32, 20.82], [108.97, 20.97], [108.75, 21.5]]]]}, "2010-09-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.82, 21.18], [106.97, 21.53], [107.32, 21.68], [107.47, 22.03], [108.0, 22.25], [108.25, 22.15], [108.5, 22.25], [108.75, 22.15], [109.0, 22.25], [109.25, 22.15], [109.5, 22.25], [109.75, 22.15], [110.0, 22.25], [110.25, 22.15], [110.5, 22.25], [111.03, 22.03], [111.18, 21.68], [111.53, 21.53], [111.68, 21.18], [111.75, 21.15], [112.0, 21.25], [112.53, 21.03], [112.75, 20.5], [112.53, 19.97], [112.0, 19.75], [111.75, 19.85], [111.5, 19.75], [111.25, 19.85], [111.0, 19.75], [110.75, 19.85], [110.5, 19.75], [110.25, 19.85], [110.0, 19.75], [109.75, 19.85], [109.5, 19.75], [109.25, 19.85], [109.18, 19.82], [109.03, 19.47], [108.5, 19.25], [108.25, 19.35], [108.0, 19.25], [107.75, 19.35], [107.5, 19.25], [107.25, 19.35], [107.0, 19.25], [106.75, 19.35], [106.5, 19.25], [105.97, 19.47], [105.75, 20.0], [105.97, 20.53], [106.32, 20.68], [106.47, 21.03], [106.82, 21.18]]]]}, "2010-09-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.82, 21.18], [106.97, 21.53], [107.32, 21.68], [107.47, 22.03], [108.0, 22.25], [108.25, 22.15], [108.5, 22.25], [108.75, 22.15], [109.0, 22.25], [109.25, 22.15], [109.5, 22.25], [109.75, 22.15], [110.0, 22.25], [110.25, 22.15], [110.5, 22.25], [111.03, 22.03], [111.18, 21.68], [111.53, 21.53], [111.68, 21.18], [111.75, 21.15], [112.0, 21.25], [112.53, 21.03], [112.75, 20.5], [112.53, 19.97], [112.0, 19.75], [111.75, 19.85], [111.5, 19.75], [111.25, 19.85], [111.0, 19.75], [110.75, 19.85], [110.5, 19.75], [110.25, 19.85], [110.0, 19.75], [109.75, 19.85], [109.5, 19.75], [109.25, 19.85], [109.18, 19.82], [109.03, 19.47], [108.5, 19.25], [108.25, 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duration", "value": 1.7450731149813012}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.30455909493918, 30.08633285496927, 30.15180808122591, 30.12664592337461, 30.013949475281095]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.56922113573819, 30.76465997852364, 31.235684756203284, 31.13418844419573, 30.47387186351682]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8021986139540218, 1.6924647492084035, 1.787912169296978, 1.78679205056135, 1.6448733414006018]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0502358175510267, 2.23905634664834, 2.7282265246680595, 2.664502817960738, 2.037070923126123]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4540355889337395, 1.7306397591032894, 1.8006994143851138, 1.7395992863796406, 1.5294352731657297]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5323606025416583, 2.1377411105161936, 2.358515791317105, 2.2184817183535355, 1.8045246938903905]}}