{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:32.822043", "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": "2011-Sep-28_to_2011-Oct-02_117.5_7.5"}, "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": 2011090002825}, "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 28 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 02 2011"}, "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": 85784.40630828355}, "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": ["Malaysia", "Philippines"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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", "Sulu 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": 7.5}, "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": 115.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 120.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 6.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 8.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-09-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.0, 8.75], [116.25, 8.65], [116.32, 8.68], [116.47, 9.03], [117.0, 9.25], [117.5, 9.04], [118.0, 9.25], [118.53, 9.03], [118.75, 8.5], [118.65, 8.25], [118.75, 8.0], [118.53, 7.47], [118.18, 7.32], [118.03, 6.97], [117.5, 6.75], [117.25, 6.85], [117.0, 6.75], [116.5, 6.96], [116.0, 6.75], [115.75, 6.85], [115.5, 6.75], [114.97, 6.97], [114.75, 7.5], [114.97, 8.03], [115.32, 8.18], [115.47, 8.53], [116.0, 8.75]]]]}, "2011-09-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.0, 8.75], [116.25, 8.65], [116.32, 8.68], [116.47, 9.03], [117.0, 9.25], [117.25, 9.15], [117.5, 9.25], [117.75, 9.15], [118.0, 9.25], [118.53, 9.03], [118.68, 8.68], [118.75, 8.65], [119.0, 8.75], [119.25, 8.65], [119.5, 8.75], [119.75, 8.65], [120.0, 8.75], [120.53, 8.53], [120.75, 8.0], [120.65, 7.75], [120.75, 7.5], [120.53, 6.97], [120.0, 6.75], [119.75, 6.85], [119.68, 6.82], [119.53, 6.47], [119.0, 6.25], [118.47, 6.47], [118.32, 6.82], [118.25, 6.85], [118.13, 6.8], [118.25, 6.5], [118.03, 5.97], [117.5, 5.75], [117.25, 5.85], [117.0, 5.75], [116.75, 5.85], [116.5, 5.75], [115.97, 5.97], [115.75, 6.5], [115.88, 6.8], [115.75, 6.85], [115.5, 6.75], [114.97, 6.97], [114.75, 7.5], [114.97, 8.03], [115.32, 8.18], [115.47, 8.53], [116.0, 8.75]]]]}, "2011-09-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.0, 8.75], [116.25, 8.65], [116.32, 8.68], [116.47, 9.03], [117.0, 9.25], [117.25, 9.15], [117.5, 9.25], [117.75, 9.15], [118.0, 9.25], [118.53, 9.03], [118.68, 8.68], [118.75, 8.65], [119.0, 8.75], [119.25, 8.65], [119.5, 8.75], [119.75, 8.65], [120.0, 8.75], [120.53, 8.53], [120.75, 8.0], [120.65, 7.75], [120.75, 7.5], [120.53, 6.97], [120.0, 6.75], [119.75, 6.85], [119.68, 6.82], [119.53, 6.47], [119.0, 6.25], [118.47, 6.47], [118.32, 6.82], [118.25, 6.85], [118.18, 6.82], [118.15, 6.75], [118.25, 6.5], [118.03, 5.97], [117.5, 5.75], [117.25, 5.85], [117.0, 5.75], [116.75, 5.85], [116.5, 5.75], [115.97, 5.97], [115.75, 6.5], [115.88, 6.8], [115.75, 6.85], [115.5, 6.75], [114.97, 6.97], [114.75, 7.5], [114.97, 8.03], [115.32, 8.18], [115.47, 8.53], [116.0, 8.75]]]]}, "2011-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[115.25, 8.0], [115.47, 8.53], [116.0, 8.75], [116.25, 8.65], [116.5, 8.75], [116.75, 8.65], [116.82, 8.68], [116.97, 9.03], [117.5, 9.25], [118.03, 9.03], [118.18, 8.68], [118.25, 8.65], [118.5, 8.75], [118.75, 8.65], [119.0, 8.75], [119.25, 8.65], [119.5, 8.75], [119.75, 8.65], [120.0, 8.75], [120.53, 8.53], [120.75, 8.0], [120.65, 7.75], [120.75, 7.5], [120.53, 6.97], [120.0, 6.75], [119.75, 6.85], [119.68, 6.82], [119.53, 6.47], [119.0, 6.25], [118.47, 6.47], [118.32, 6.82], [118.25, 6.85], [118.18, 6.82], [118.15, 6.75], [118.25, 6.5], [118.03, 5.97], [117.5, 5.75], [117.25, 5.85], [117.0, 5.75], [116.75, 5.85], [116.5, 5.75], [115.97, 5.97], [115.75, 6.5], [115.96, 7.0], [115.82, 7.32], [115.47, 7.47], [115.25, 8.0]]]]}, "2011-10-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.82, 7.68], [116.97, 8.03], [117.5, 8.25], [118.03, 8.03], [118.25, 7.5], [118.15, 7.25], [118.25, 7.0], [118.03, 6.47], [117.5, 6.25], [117.25, 6.35], [117.18, 6.32], [117.03, 5.97], [116.5, 5.75], [115.97, 5.97], [115.75, 6.5], [115.97, 7.03], [116.32, 7.18], [116.47, 7.53], [116.82, 7.68]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6987561377138718}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0192966718050895}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.096014926207488, 28.02226596701928, 28.451384873330824, 28.113205514464255, 28.098267107795436]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.178378831945736, 28.2685940632461, 28.711968919515073, 28.58727003429175, 28.22794441379068]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8717527147201788, 0.8701258120310332, 1.2918715217153505, 0.9561432182600148, 0.9028426291620946]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9523129911324304, 1.0223401712416376, 1.6987561377138718, 1.392642796081418, 1.0494994118997738]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5440716088198174, 1.5915721374304386, 2.395318458811105, 1.7602057488987388, 1.5752120857739382]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7814279340117278, 1.7932961901420592, 2.6452868038850257, 2.386826187210968, 1.7332761228569424]}}