{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:05.025729", "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": "2018-Sep-11_to_2018-Sep-13_153.0_-10.5"}, "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": 2018090001872}, "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 11 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 13 2018"}, "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": 60733.260518848096}, "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": ["Papua New Guinea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Australia"]}, "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": ["Coral Sea", "Solomon 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": -10.5}, "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": 153.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "153.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 151.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 154.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -12.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -9.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-09-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[150.97, -9.47], [151.5, -9.25], [151.75, -9.35], [152.0, -9.25], [152.25, -9.35], [152.5, -9.25], [152.75, -9.35], [153.0, -9.25], [153.25, -9.35], [153.5, -9.25], [154.03, -9.47], [154.18, -9.82], [154.53, -9.97], [154.68, -10.32], [155.03, -10.47], [155.25, -11.0], [155.15, -11.25], [155.25, -11.5], [155.03, -12.03], [154.68, -12.18], [154.53, -12.53], [154.0, -12.75], [153.47, -12.53], [153.32, -12.18], [153.25, -12.15], [153.0, -12.25], [152.47, -12.03], [152.25, -11.5], [152.35, -11.25], [152.32, -11.18], [152.25, -11.15], [152.0, -11.25], [151.75, -11.15], [151.5, -11.25], [150.97, -11.03], [150.75, -10.5], [150.85, -10.25], [150.75, -10.0], [150.97, -9.47]]]]}, "2018-09-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[150.97, -9.47], [151.5, -9.25], [151.75, -9.35], [152.0, -9.25], [152.25, -9.35], [152.5, -9.25], [152.75, -9.35], [153.0, -9.25], [153.25, -9.35], [153.5, -9.25], [154.03, -9.47], [154.18, -9.82], [154.53, -9.97], [154.68, -10.32], [155.03, -10.47], [155.25, -11.0], [155.15, -11.25], [155.25, -11.5], [155.03, -12.03], [154.68, -12.18], [154.53, -12.53], [154.0, -12.75], [153.47, -12.53], [153.32, -12.18], [153.25, -12.15], [153.0, -12.25], [152.47, -12.03], [152.25, -11.5], [152.35, -11.25], [152.32, -11.18], [152.25, -11.15], [152.0, -11.25], [151.75, -11.15], [151.5, -11.25], [150.97, -11.03], [150.75, -10.5], [150.85, -10.25], [150.75, -10.0], [150.97, -9.47]]]]}, "2018-09-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[150.97, -9.47], [151.5, -9.25], [151.75, -9.35], [152.0, -9.25], [152.25, -9.35], [152.5, -9.25], [152.75, -9.35], [153.0, -9.25], [153.25, -9.35], [153.5, -9.25], [154.03, -9.47], [154.18, -9.82], [154.53, -9.97], [154.68, -10.32], [155.03, -10.47], [155.25, -11.0], [155.15, -11.25], [155.25, -11.5], [155.03, -12.03], [154.68, -12.18], [154.53, -12.53], [154.0, -12.75], [153.47, -12.53], [153.32, -12.18], [153.25, -12.15], [153.0, -12.25], [152.47, -12.03], [152.25, -11.5], [152.35, -11.25], [152.32, -11.18], [152.25, -11.15], [152.0, -11.25], [151.75, -11.15], [151.5, -11.25], [150.97, -11.03], [150.75, -10.5], [150.85, -10.25], [150.75, -10.0], [150.97, -9.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.3557437419938765}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0106020933210365}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.619826224663257, 26.903241549974155, 26.81833284380957]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.859717429858108, 27.23948472687738, 27.178135208344827]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8666180529690621, 1.13260501496774, 1.0325832120263072]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0016184621183584, 1.3557437419938765, 1.2205334064417457]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5036359818838947, 2.003541466132366, 1.8325423176991293]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8404174585426063, 2.4107276218028773, 2.256416491743552]}}