{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:55:26.679162", "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": "2023-Sep-25_to_2023-Sep-29_110.0_11.5"}, "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": 2023090001928}, "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": "September 25 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 29 2023"}, "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": 81293.23078020976}, "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": ["Viet Nam"]}, "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": 11.5}, "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": 109.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 111.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 11.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 15.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[110.68, 11.68], [111.03, 11.53], [111.25, 11.0], [111.03, 10.47], [110.5, 10.25], [110.25, 10.35], [110.0, 10.25], [109.75, 10.35], [109.5, 10.25], [108.97, 10.47], [108.75, 11.0], [108.96, 11.5], [108.75, 12.0], [108.97, 12.53], [109.32, 12.68], [109.35, 12.75], [109.32, 12.82], [108.97, 12.97], [108.82, 13.32], [108.47, 13.47], [108.25, 14.0], [108.47, 14.53], [109.0, 14.75], [109.25, 14.65], [109.5, 14.75], [109.75, 14.65], [109.82, 14.68], [109.97, 15.03], [110.5, 15.25], [110.75, 15.15], [110.82, 15.18], [110.97, 15.53], [111.5, 15.75], [112.03, 15.53], [112.25, 15.0], [112.03, 14.47], [111.68, 14.32], [111.65, 14.25], [111.68, 14.18], [112.03, 14.03], [112.25, 13.5], [112.15, 13.25], [112.25, 13.0], [112.15, 12.75], [112.25, 12.5], [112.03, 11.97], [111.5, 11.75], [111.25, 11.85], [111.0, 11.75], [110.75, 11.85], [110.68, 11.82], [110.65, 11.75], [110.68, 11.68]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-09-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.25, 12.0], [109.35, 12.25], [109.25, 12.5], [109.35, 12.75], [109.25, 13.0], [109.47, 13.53], [110.0, 13.75], [110.25, 13.65], [110.32, 13.68], [110.47, 14.03], [111.0, 14.25], [111.53, 14.03], [111.68, 13.68], [112.03, 13.53], [112.25, 13.0], [112.15, 12.75], [112.25, 12.5], [112.03, 11.97], [111.5, 11.75], [111.25, 11.85], [111.0, 11.75], [110.75, 11.85], [110.68, 11.82], [110.65, 11.75], [110.75, 11.5], [110.53, 10.97], [110.0, 10.75], [109.47, 10.97], [109.25, 11.5], [109.35, 11.75], [109.25, 12.0]]]]}, "2023-09-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.47, 13.47], [108.25, 14.0], [108.47, 14.53], [109.0, 14.75], [109.25, 14.65], [109.5, 14.75], [109.75, 14.65], [109.82, 14.68], [109.97, 15.03], [110.5, 15.25], [110.75, 15.15], [110.82, 15.18], [110.97, 15.53], [111.5, 15.75], [112.03, 15.53], [112.25, 15.0], [112.03, 14.47], [111.68, 14.32], [111.65, 14.25], [111.68, 14.18], [112.03, 14.03], [112.25, 13.5], [112.15, 13.25], [112.25, 13.0], [112.15, 12.75], [112.25, 12.5], [112.03, 11.97], [111.5, 11.75], [111.25, 11.85], [111.0, 11.75], [110.75, 11.85], [110.68, 11.82], [110.65, 11.75], [110.75, 11.5], [110.53, 10.97], [110.0, 10.75], [109.47, 10.97], [109.32, 11.32], [108.97, 11.47], [108.75, 12.0], [108.97, 12.53], [109.32, 12.68], [109.35, 12.75], [109.32, 12.82], [108.97, 12.97], [108.82, 13.32], [108.47, 13.47]]]]}, "2023-09-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.47, 13.47], [108.25, 14.0], [108.47, 14.53], [109.0, 14.75], [109.25, 14.65], [109.5, 14.75], [109.75, 14.65], [109.82, 14.68], [109.97, 15.03], [110.5, 15.25], [110.75, 15.15], [110.82, 15.18], [110.97, 15.53], [111.5, 15.75], [112.03, 15.53], [112.25, 15.0], [112.03, 14.47], [111.68, 14.32], [111.65, 14.25], [111.68, 14.18], [112.03, 14.03], [112.25, 13.5], [112.15, 13.25], [112.25, 13.0], [112.15, 12.75], [112.25, 12.5], [112.03, 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15.75], [112.03, 15.53], [112.25, 15.0], [112.03, 14.47], [111.5, 14.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.0849170987899015}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2996984620042666}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.49631736534957, 28.966652243804333, 28.743915588212815, 28.700102832798052, 28.07234545129694]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.67870919948723, 29.572793552305484, 29.20016258512402, 29.228169453056296, 28.2569635489524]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.98079051227263, 1.4805116576929673, 1.3146609884760148, 1.3520323077890497, 0.8757211938646682]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1387087700826442, 2.0849170987899015, 1.8372778466493287, 1.8790549771123892, 0.9651921160249799]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.57096308984396, 2.15415946799364, 1.9379236879640998, 2.089392762858919, 1.5713895188490363]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8092384959952852, 2.760020740639652, 2.313842516708868, 3.2226186345282986, 1.819011401447368]}}