{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:50:47.700603", "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-Jan-21_to_2023-Jan-25_117.5_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": 2023010002634}, "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": "January 21 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 25 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": 60715.10193677493}, "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": ["Philippines"]}, "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": 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": 117.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "117.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 116.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 120.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 9.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 12.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[116.75, 10.15], [117.0, 10.25], [117.25, 10.15], [117.32, 10.18], [117.46, 10.5], [117.25, 11.0], [117.35, 11.25], [117.25, 11.5], [117.47, 12.03], [117.82, 12.18], [117.97, 12.53], [118.5, 12.75], [118.75, 12.65], [119.0, 12.75], [119.25, 12.65], [119.32, 12.68], [119.47, 13.03], [120.0, 13.25], [120.53, 13.03], [120.75, 12.5], [120.65, 12.25], [120.75, 12.0], [120.53, 11.47], [120.18, 11.32], [120.03, 10.97], [119.68, 10.82], [119.53, 10.47], [119.18, 10.32], [119.03, 9.97], [118.68, 9.82], [118.65, 9.75], [118.75, 9.5], [118.53, 8.97], [118.0, 8.75], [117.75, 8.85], [117.68, 8.82], [117.53, 8.47], [117.0, 8.25], [116.75, 8.35], [116.5, 8.25], [115.97, 8.47], [115.75, 9.0], [115.85, 9.25], [115.75, 9.5], [115.97, 10.03], [116.5, 10.25], [116.75, 10.15]]]]}}, "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": {"2023-01-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[115.75, 9.5], [115.97, 10.03], [116.5, 10.25], [116.75, 10.15], [117.0, 10.25], [117.25, 10.15], [117.5, 10.25], [117.75, 10.15], [118.0, 10.25], [118.53, 10.03], [118.75, 9.5], [118.53, 8.97], [118.0, 8.75], [117.75, 8.85], [117.68, 8.82], [117.53, 8.47], [117.0, 8.25], [116.75, 8.35], [116.5, 8.25], [115.97, 8.47], [115.75, 9.0], [115.85, 9.25], [115.75, 9.5]]]]}, "2023-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[115.75, 9.5], [115.97, 10.03], [116.5, 10.25], [116.75, 10.15], [117.0, 10.25], [117.25, 10.15], [117.32, 10.18], [117.46, 10.5], [117.25, 11.0], [117.35, 11.25], [117.25, 11.5], [117.47, 12.03], [117.82, 12.18], [117.97, 12.53], [118.5, 12.75], [118.75, 12.65], [119.0, 12.75], [119.25, 12.65], [119.32, 12.68], [119.47, 13.03], [120.0, 13.25], [120.53, 13.03], [120.75, 12.5], [120.65, 12.25], [120.75, 12.0], [120.53, 11.47], [120.18, 11.32], [120.03, 10.97], [119.68, 10.82], [119.53, 10.47], [119.18, 10.32], [119.03, 9.97], [118.68, 9.82], [118.65, 9.75], [118.75, 9.5], [118.53, 8.97], [118.0, 8.75], [117.75, 8.85], [117.68, 8.82], [117.53, 8.47], [117.0, 8.25], [116.75, 8.35], [116.5, 8.25], [115.97, 8.47], [115.75, 9.0], [115.85, 9.25], [115.75, 9.5]]]]}, "2023-01-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[115.75, 9.5], [115.97, 10.03], [116.5, 10.25], [116.75, 10.15], [117.0, 10.25], [117.25, 10.15], [117.32, 10.18], [117.46, 10.5], [117.25, 11.0], [117.35, 11.25], [117.25, 11.5], [117.47, 12.03], [117.82, 12.18], [117.97, 12.53], [118.5, 12.75], [118.75, 12.65], [119.0, 12.75], [119.25, 12.65], [119.32, 12.68], [119.47, 13.03], [120.0, 13.25], [120.53, 13.03], [120.75, 12.5], [120.65, 12.25], [120.75, 12.0], [120.53, 11.47], [120.18, 11.32], [120.03, 10.97], [119.68, 10.82], [119.53, 10.47], [119.18, 10.32], [119.03, 9.97], [118.68, 9.82], [118.65, 9.75], [118.75, 9.5], [118.53, 8.97], [118.0, 8.75], [117.75, 8.85], [117.68, 8.82], [117.53, 8.47], [117.0, 8.25], [116.75, 8.35], [116.5, 8.25], [115.97, 8.47], [115.75, 9.0], [115.85, 9.25], [115.75, 9.5]]]]}, "2023-01-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.46, 10.5], [117.25, 11.0], [117.35, 11.25], [117.25, 11.5], [117.47, 12.03], [117.82, 12.18], [117.97, 12.53], [118.5, 12.75], [118.75, 12.65], [119.0, 12.75], [119.25, 12.65], [119.32, 12.68], [119.47, 13.03], [120.0, 13.25], [120.53, 13.03], [120.75, 12.5], [120.65, 12.25], [120.75, 12.0], [120.53, 11.47], [120.18, 11.32], [120.03, 10.97], [119.68, 10.82], [119.53, 10.47], [119.18, 10.32], [119.03, 9.97], [118.68, 9.82], [118.53, 9.47], [118.18, 9.32], [118.03, 8.97], [117.5, 8.75], [116.97, 8.97], [116.75, 9.5], [116.97, 10.03], [117.32, 10.18], [117.46, 10.5]]]]}, "2023-01-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.97, 10.03], [117.5, 10.25], [118.03, 10.03], [118.25, 9.5], [118.03, 8.97], [117.5, 8.75], [116.97, 8.97], [116.75, 9.5], [116.97, 10.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.2709443237174582}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0005704347509587}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.57508408350691, 27.62445969555432, 27.788896973744954, 27.52093389492154, 27.490358402529978]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.651810223156303, 27.859750396228094, 27.937350737250085, 27.713315678632853, 27.490358402529978]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9236064867624426, 0.9682088403137726, 1.1416529036360117, 0.9008433017157661, 0.7838436292526012]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9748550002560705, 1.1138880622070246, 1.2709443237174582, 0.9899859784121077, 0.7838436292526012]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.524692049965039, 1.5377086792329306, 1.8302551048796467, 1.4267742078940813, 1.308396262907548]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6410120712555367, 1.8438576424799071, 2.0757126135248605, 1.6048050685750548, 1.308396262907548]}}