{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:09:00.166361", "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-Nov-15_to_2025-Nov-17_119.5_4.5"}, "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": 2025110001843}, "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": "November 15 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 17 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 95360.56223315118}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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": ["Celebes 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": 4.5}, "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": 119.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "119.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 118.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 122.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 3.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 7.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[117.75, 5.0], [117.97, 5.53], [118.32, 5.68], [118.35, 5.75], [118.25, 6.0], [118.35, 6.25], [118.25, 6.5], [118.35, 6.75], [118.25, 7.0], [118.47, 7.53], [119.0, 7.75], [119.53, 7.53], [119.68, 7.18], [119.75, 7.15], [120.0, 7.25], [120.25, 7.15], [120.5, 7.25], [120.75, 7.15], [120.82, 7.18], [120.97, 7.53], [121.5, 7.75], [122.03, 7.53], [122.25, 7.0], [122.15, 6.75], [122.18, 6.68], [122.25, 6.65], [122.5, 6.75], [123.03, 6.53], [123.25, 6.0], [123.15, 5.75], [123.25, 5.5], [123.03, 4.97], [122.5, 4.75], [122.25, 4.85], [122.0, 4.75], [121.75, 4.85], [121.5, 4.75], [120.97, 4.97], [120.82, 5.32], [120.75, 5.35], [120.68, 5.32], [120.53, 4.97], [120.18, 4.82], [120.15, 4.75], [120.25, 4.5], [120.15, 4.25], [120.25, 4.0], [120.03, 3.47], [119.68, 3.32], [119.53, 2.97], [119.0, 2.75], [118.75, 2.85], [118.5, 2.75], [117.97, 2.97], [117.75, 3.5], [117.85, 3.75], [117.75, 4.0], [117.96, 4.5], [117.75, 5.0]]]]}}, "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": {"2025-11-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.75, 4.0], [117.96, 4.5], [117.75, 5.0], [117.97, 5.53], [118.32, 5.68], [118.35, 5.75], [118.25, 6.0], [118.35, 6.25], [118.25, 6.5], [118.35, 6.75], [118.25, 7.0], [118.47, 7.53], [119.0, 7.75], [119.53, 7.53], [119.68, 7.18], [119.75, 7.15], [120.0, 7.25], [120.25, 7.15], [120.5, 7.25], [120.75, 7.15], [120.82, 7.18], [120.97, 7.53], [121.5, 7.75], [122.03, 7.53], [122.25, 7.0], [122.15, 6.75], [122.18, 6.68], [122.25, 6.65], [122.5, 6.75], [123.03, 6.53], [123.25, 6.0], [123.15, 5.75], [123.25, 5.5], [123.03, 4.97], [122.5, 4.75], [122.25, 4.85], [122.0, 4.75], [121.75, 4.85], [121.5, 4.75], [120.97, 4.97], [120.82, 5.32], [120.75, 5.35], [120.68, 5.32], [120.53, 4.97], [120.18, 4.82], [120.15, 4.75], [120.25, 4.5], [120.15, 4.25], [120.25, 4.0], [120.03, 3.47], [119.68, 3.32], [119.53, 2.97], [119.0, 2.75], [118.75, 2.85], [118.5, 2.75], [117.97, 2.97], [117.75, 3.5], [117.85, 3.75], [117.75, 4.0]]]]}, "2025-11-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.75, 4.0], [117.96, 4.5], [117.75, 5.0], [117.97, 5.53], [118.32, 5.68], [118.35, 5.75], [118.25, 6.0], [118.35, 6.25], [118.25, 6.5], [118.35, 6.75], [118.25, 7.0], [118.47, 7.53], [119.0, 7.75], [119.53, 7.53], [119.68, 7.18], [119.75, 7.15], [120.0, 7.25], [120.25, 7.15], [120.5, 7.25], [120.75, 7.15], [120.82, 7.18], [120.97, 7.53], [121.5, 7.75], [122.03, 7.53], [122.25, 7.0], [122.15, 6.75], [122.18, 6.68], [122.25, 6.65], [122.5, 6.75], [123.03, 6.53], [123.25, 6.0], [123.15, 5.75], [123.25, 5.5], [123.03, 4.97], [122.5, 4.75], [122.25, 4.85], [122.0, 4.75], [121.75, 4.85], [121.5, 4.75], [120.97, 4.97], [120.82, 5.32], [120.75, 5.35], [120.68, 5.32], [120.53, 4.97], [120.18, 4.82], [120.15, 4.75], [120.25, 4.5], [120.15, 4.25], [120.25, 4.0], [120.03, 3.47], [119.68, 3.32], [119.53, 2.97], [119.0, 2.75], [118.75, 2.85], [118.5, 2.75], [117.97, 2.97], [117.75, 3.5], [117.85, 3.75], [117.75, 4.0]]]]}, "2025-11-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.75, 4.0], [117.96, 4.5], [117.75, 5.0], [117.97, 5.53], [118.32, 5.68], [118.35, 5.75], [118.25, 6.0], [118.35, 6.25], [118.25, 6.5], [118.35, 6.75], [118.25, 7.0], [118.47, 7.53], [119.0, 7.75], [119.53, 7.53], [119.68, 7.18], [119.75, 7.15], [120.0, 7.25], [120.25, 7.15], [120.5, 7.25], [120.75, 7.15], [120.82, 7.18], [120.97, 7.53], [121.5, 7.75], [122.03, 7.53], [122.25, 7.0], [122.15, 6.75], [122.18, 6.68], [122.25, 6.65], [122.5, 6.75], [123.03, 6.53], [123.25, 6.0], [123.15, 5.75], [123.25, 5.5], [123.03, 4.97], [122.5, 4.75], [122.25, 4.85], [122.0, 4.75], [121.75, 4.85], [121.5, 4.75], [120.97, 4.97], [120.82, 5.32], [120.75, 5.35], [120.68, 5.32], [120.53, 4.97], [120.18, 4.82], [120.15, 4.75], [120.25, 4.5], [120.15, 4.25], [120.25, 4.0], [120.03, 3.47], [119.68, 3.32], [119.53, 2.97], [119.0, 2.75], [118.75, 2.85], [118.5, 2.75], [117.97, 2.97], [117.75, 3.5], [117.85, 3.75], [117.75, 4.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.5628100698967273}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9660830428456698}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.959172615953662, 28.212119777228224, 27.875025111372736]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.44831492106124, 28.59083964029952, 28.34940872192385]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9152891506057604, 1.162431751690987, 0.8205282262402622]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1679273543751947, 1.5628100698967273, 1.08405540067929]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8516518809858722, 2.3852079840042997, 1.7358321852396597]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.419960215228373, 3.3377698330006464, 2.237197341743818]}}