{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:24:55.018510", "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": "2022-Nov-18_to_2022-Nov-23_123.0_4.0"}, "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": 2022110002409}, "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 18 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 23 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 73999.86995164247}, "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": ["Indonesia"]}, "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": ["Celebes Basin", "Celebes Sea", "Molucca 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": 4.0}, "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": 123.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "123.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 121.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 125.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 3.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 5.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[121.5, 2.75], [120.97, 2.97], [120.75, 3.5], [120.97, 4.03], [121.32, 4.18], [121.47, 4.53], [122.0, 4.75], [122.25, 4.65], [122.32, 4.68], [122.47, 5.03], [122.82, 5.18], [122.97, 5.53], [123.5, 5.75], [124.0, 5.54], [124.5, 5.75], [124.75, 5.65], [125.0, 5.75], [125.53, 5.53], [125.75, 5.0], [125.65, 4.75], [125.75, 4.5], [125.65, 4.25], [125.68, 4.18], [126.03, 4.03], [126.25, 3.5], [126.03, 2.97], [125.5, 2.75], [125.0, 2.96], [124.5, 2.75], [124.25, 2.85], [124.0, 2.75], [123.75, 2.85], [123.5, 2.75], [123.25, 2.85], [123.18, 2.82], [123.03, 2.47], [122.5, 2.25], [121.97, 2.47], [121.82, 2.82], [121.75, 2.85], [121.5, 2.75]]]]}}, "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": {"2022-11-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.25, 4.5], [122.47, 5.03], [123.0, 5.25], [123.25, 5.15], [123.5, 5.25], [123.8, 5.13], [123.97, 5.53], [124.5, 5.75], [124.75, 5.65], [125.0, 5.75], [125.53, 5.53], [125.75, 5.0], [125.65, 4.75], [125.75, 4.5], [125.63, 4.2], [126.03, 4.03], [126.25, 3.5], [126.03, 2.97], [125.5, 2.75], [125.0, 2.96], [124.5, 2.75], [124.25, 2.85], [124.0, 2.75], [123.75, 2.85], [123.5, 2.75], [122.97, 2.97], [122.82, 3.32], [122.47, 3.47], [122.25, 4.0], [122.35, 4.25], [122.25, 4.5]]]]}, "2022-11-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.47, 4.53], [122.0, 4.75], [122.25, 4.65], [122.32, 4.68], [122.47, 5.03], [122.82, 5.18], [122.97, 5.53], [123.5, 5.75], [124.0, 5.54], [124.5, 5.75], [124.75, 5.65], [125.0, 5.75], [125.53, 5.53], [125.75, 5.0], [125.65, 4.75], [125.75, 4.5], [125.65, 4.25], [125.68, 4.18], [126.03, 4.03], [126.25, 3.5], [126.03, 2.97], [125.5, 2.75], [125.0, 2.96], [124.5, 2.75], [124.25, 2.85], [124.0, 2.75], [123.75, 2.85], [123.5, 2.75], [123.25, 2.85], [123.18, 2.82], [123.03, 2.47], [122.5, 2.25], [121.97, 2.47], [121.82, 2.82], [121.75, 2.85], [121.5, 2.75], [120.97, 2.97], [120.75, 3.5], [120.97, 4.03], [121.32, 4.18], [121.47, 4.53]]]]}, "2022-11-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.47, 4.53], [122.0, 4.75], [122.25, 4.65], [122.32, 4.68], [122.47, 5.03], [122.82, 5.18], [122.97, 5.53], [123.5, 5.75], [124.0, 5.54], [124.5, 5.75], [124.75, 5.65], [125.0, 5.75], [125.53, 5.53], [125.75, 5.0], [125.65, 4.75], [125.75, 4.5], [125.65, 4.25], [125.68, 4.18], [126.03, 4.03], [126.25, 3.5], [126.03, 2.97], [125.5, 2.75], [125.0, 2.96], [124.5, 2.75], [124.25, 2.85], [124.0, 2.75], [123.75, 2.85], [123.5, 2.75], [123.25, 2.85], [123.18, 2.82], [123.03, 2.47], [122.5, 2.25], [121.97, 2.47], [121.82, 2.82], [121.75, 2.85], [121.5, 2.75], [120.97, 2.97], [120.75, 3.5], [120.97, 4.03], [121.32, 4.18], [121.47, 4.53]]]]}, "2022-11-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.47, 4.53], [122.0, 4.75], [122.25, 4.65], [122.32, 4.68], [122.47, 5.03], [122.82, 5.18], [122.97, 5.53], [123.5, 5.75], [124.03, 5.53], [124.18, 5.18], [124.53, 5.03], [124.68, 4.68], [124.75, 4.65], [125.0, 4.75], [125.53, 4.53], [125.75, 4.0], [125.53, 3.47], [125.18, 3.32], [125.03, 2.97], [124.5, 2.75], [124.25, 2.85], [124.0, 2.75], [123.75, 2.85], [123.5, 2.75], [123.25, 2.85], [123.18, 2.82], [123.03, 2.47], [122.5, 2.25], [121.97, 2.47], [121.82, 2.82], [121.75, 2.85], [121.5, 2.75], [120.97, 2.97], [120.75, 3.5], [120.97, 4.03], [121.32, 4.18], [121.47, 4.53]]]]}, "2022-11-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.25, 4.0], [121.47, 4.53], [122.0, 4.75], [122.25, 4.65], [122.32, 4.68], [122.47, 5.03], [123.0, 5.25], [123.53, 5.03], [123.68, 4.68], [124.03, 4.53], [124.25, 4.0], [124.15, 3.75], [124.25, 3.5], [124.03, 2.97], [123.5, 2.75], [123.25, 2.85], [123.0, 2.75], [122.75, 2.85], [122.5, 2.75], [122.25, 2.85], [122.0, 2.75], [121.47, 2.97], [121.25, 3.5], [121.35, 3.75], [121.25, 4.0]]]]}, "2022-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.47, 4.03], [122.0, 4.25], [122.53, 4.03], [122.75, 3.5], [122.53, 2.97], [122.0, 2.75], [121.47, 2.97], [121.25, 3.5], [121.47, 4.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6334899174735256}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0136636365103293}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.86183113589118, 28.258790035561958, 28.289786493122904, 28.09039698608018, 28.292349466223527, 28.175469331757483]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.05623490049777, 28.748590782174915, 28.938967782005477, 28.274349797099546, 28.58055819918792, 28.175469331757483]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.751234756261478, 1.123475895608846, 1.1292697378871874, 0.8945212976743523, 1.0762450823303122, 0.9780987340889737]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.8827425456456695, 1.5362842827059353, 1.6334899174735256, 1.0765044548414835, 1.3666780567955925, 0.9780987340889737]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.436354632391243, 2.0803147500038235, 2.089401385404705, 1.6279695464301902, 1.9734673371970297, 1.7601482653590472]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5829596506650754, 3.052440833111126, 3.1463736850314388, 1.915273974226025, 2.528825748589935, 1.7601482653590472]}}